New snow may be susceptible to human triggers in the form of wind slabs in exposed terrain near ridge crests, or loose-snow avalanches (sluffs) in steeper sheltered terrain.
Soft slabs at and above treeline are being easily triggered in wind affected areas.
Numerous size 2 -2.5 avalanches have been reported failing both naturally & with the aid of explosives on high elevation north through east facing slopes.
Numerous skier triggered slabs (10-15 cms deep) were reported on thursday with increasing winds. Expect further wind slab development and reverse loading with forecast northerly winds. Having said that, reports are sparse and we would love to hear about what you're seeing out there.If you have any observations from the field, please drop us an email: forecaster@avalanche.ca. Information and observations from you can really help.
No new reports received since the weekend; this may say more to the lack of information from the field and little about field conditions. If you have any observations from the field, please drop us an email: forecaster@avalanche.ca. Information and observations from you can really help.
There is a report of a Size 2 skier triggered avalanche near Whistler on Tuesday that resulted in minor injuries. Recent explosive control work produced mainly Size 1-2 slab avalanches or no results. This shows that avalanches may be harder to trigger, but the potential for isolated very large avalanches still exists. Careful terrain selection is the key this weekend.
No new reports of avalanche activity in the region. Although it may be harder to trigger some of the deeper weaknesses in the snowpack, if you do, the resulting avalanche could be very large and destructive.
Recent avalanche control work along the northern highway corridors have produced results up to Size 3, mainly involving the recent storm snow. I suspect a natural avalanche cycle is likely late Thursday and into Friday in response to the forecast cranking winds and 15-30cm of snow.
No new observations. Wind slabs and storm snow instabilities will remain susceptible to human triggering for at least the next couple days.
Widespread size 2 natural activity reported from the region on wednesday. Any observations from the field are welcome. Please send to forecaster@avalanche.ca
Size 2 skier-triggered avalanches were reported in the Malakwa (Gorge) area on wednesday. Strong winds are forecast for thursday night trending northerly further complicating wind slab development at treeline and in the alpine.Any observations from the field are welcome. Please send field observations to forecaster@avalanche.ca.
20cm of new snow fell Tuesday night.  Clear sunny skies on Wednesday gave this snow its first taste of the sun & the solar radiation kicked off a cycle of loose moist avalanches to size 1 on southerly slopes.  These were small and relatively harmless.  Reports from the field also indicate the presence of sensitive wind slabs in complex/convoluted terrain.  If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new reports of avalanches in the past 3 days.
Avalanche activity has tapered off in the past couple days. Although the likelihood of triggering avalanches is lower, the potential consequences are still very high.
Several thin wind slabs avalanches were reported in the Coquihalla Pass area on Thursday. Although it may be harder to trigger some of the deeper weaknesses in the snowpack, if you do, the resulting avalanche could be very large and destructive.
One observer reported hearing a few natural avalanches in the Shames backcountry on Thursday. It appeared that most of these avalanches involved the new storm snow (top 20-30cm). Deeper wind slabs are likely in higher, more exposed terrain.
No new observations. Wind slabs and storm snow instabilities will remain susceptible to human triggering for at least the next couple days.
Numerous skier triggered slabs (10-30 cms deep) were reported on thursday with increased winds. Expect redistribution of surface snow and stiffening of wind slabs with forecast northerly winds. Having said that, reports are sparse and we would love to hear about what you're seeing out there.If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No new reports received since last weekend; this may say more to the lack of information from the field and little about field conditions. If you have any observations from the field, please drop us an email: forecaster@avalanche.ca. Information and observations from you can really help.
Widespread size 2 natural activity reported from the region on wednesday. Any observations from the field are welcome. Please send to forecaster@avalanche.ca
Size 2 skier-triggered avalanches were reported in the Malakwa (Gorge) area on wednesday. Another size 3 skier-triggered avalanche occurred on thursday in Roger`s Pass on a southeast facing gully in the alpine. Forecast northerly winds are expected to stiffen windslabs and even create a reverse loading pattern if values are high enough.Any observations from the field are welcome. Please send field observations to forecaster@avalanche.ca.
Being the start of December more backcountry operations are headed into the field. This means more information, and observations are making there way into our office. Thank you!There is still numerous avalanches occurring in the backcountry. Natural activity up to size 2.0, on various aspects above 2000m have been reported. As well, there are reports of rider triggered activity. On Thursday there was a large (size 3) rider triggered avalanche on a south east aspect at 2900m. The crown depth being 200cm and the slide running 800 vertical meters, over a kilometer. One of the people involved has sustained serious injuries. With the clear, sunny skies ahead don't be fooled. The snowpack is still touchy with weaknesses buried below. Please refer to the Forecaster's Blog for further information and suggestions help you make the right choices in the backcountry. As well, continue to follow our bulletins. We update everyday. Have a safe, fun weekend.
Control work done on Tuesday produced a size 2 avalanche running to ground from a northeast aspect. There is still very limited observations from the region, so you will have to do the detective work. I suspect these conditions will continue through the forecast period, and it's likely that avalanches are susceptible to human/ sled triggering. With clear skies ahead this is a good opportunity to make snowpack, and avalanche observations from your surrounding mountains before jumping in to deep. I bet you'll be able to see evidence of older, large avalanches that occurred on your local mountains. I do suspect that these slopes will be ripe for human, and/or sled triggering especially on northerly aspects where avalanche activity has not occurred. Remember these avalanches are failing on weak facetted (sugary) snow at the bottom of the snowpack, producing full depth avalanches.
No new avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
Being the start of December more backcountry operations are headed into the field. This means more information, and observations are making there way into our office. Thank you!There is still numerous avalanches occurring in the backcountry. Natural activity up to size 2.0, on various aspects above 2000m have been reported. As well, there are reports of rider triggered activity. On Thursday there was a large (size 3) rider triggered avalanche on a south east aspect at 2900m. The crown depth being 200cm and the slide running 800 vertical meters, over a kilometer. One of the people involved has sustained serious injuries. With the clear, sunny skies ahead don't be fooled. The snowpack is still touchy with weaknesses buried below. Please refer to the Forecaster's Blog for further information and suggestions help you make the right choices in the backcountry. As well, continue to follow our bulletins. We update everyday. Have a safe, fun weekend.
Control work done on Tuesday produced a size 2 avalanche running to ground from a northeast aspect. There is still very limited observations from the region, so you will have to do the detective work. I suspect these conditions will continue through the forecast period, and it's likely that avalanches are susceptible to human/ sled triggering. With clear skies ahead this is a good opportunity to make snowpack, and avalanche observations from your surrounding mountains before jumping in to deep. I bet you'll be able to see evidence of older, large avalanches that occurred on your local mountains. I do suspect that these slopes will be ripe for human, and/or sled triggering especially on northerly aspects where avalanche activity has not occurred. Remember these avalanches are failing on weak facetted (sugary) snow at the bottom of the snowpack, producing full depth avalanches.
Large natural avalanches up to size 3.0 have been reported from the Bear Pass and the coastal mountains near Terrace. There are no reports of human triggered avalanches.
Natural and explosive controlled avalanches up to size 3.0 releasing in the storm snow. Some of the larger releases have been from glide avalanches. Most of this activity is in the West of the region closer to the coast. We don't have any new reports from the Interior.
Being the start of December more backcountry operations are headed into the field. This means more information, and observations are making there way into our office. Thank you!There is still numerous avalanches occurring in the backcountry. Natural activity up to size 2.0, on various aspects above 2000m have been reported. As well, there are reports of rider triggered activity. On Thursday there was a large (size 3) rider triggered avalanche on a south east aspect at 2900m. The crown depth being 200cm and the slide running 800 vertical meters, over a kilometer. One of the people involved has sustained serious injuries. With the clear, sunny skies ahead don't be fooled. The snowpack is still touchy with weaknesses buried below. Please refer to the Forecaster's Blog for further information and suggestions help you make the right choices in the backcountry. As well, continue to follow our bulletins. We update everyday. Have a safe, fun weekend.
No new avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new reports of avalanches in the past 3 days.
Skier triggered slabs (10-30 cms deep) were reported on friday with increased winds. Expect redistribution of surface snow and stiffening of wind slabs with forecast northerly winds. Having said that, reports are sparse and we would love to hear about what you're seeing out there. Please drop us an email: forecaster@avalanche.ca.
No new reports received since last weekend; this may say more to the lack of information from the field and little about field conditions. Check-out our CAC Field Team`s observations from the Harvey Pass area in our South Rockies discussion forum.If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
Avalanche activity has tapered off throughout the week. Although the likelihood of triggering avalanches is lower, the potential consequences are still very high.Likelihood of avalanches may increase on steeper, sun exposed slopes with forecast rising temperatures.
No recent avalanche observations. We have had limited info from this region. Any field reports are welcome and can be sent to forecaster@avalanche.ca.
Widespread size 2 natural activity reported from the region on wednesday. No new observations have been reported. Any observations from the field are welcome. Please send to forecaster@avalanche.ca
No new reports of avalanches in the past 3 days.
Being the start of December more backcountry operations are headed into the field. This means more information, and observations are making there way into our office. Thank you!There is still numerous avalanches occurring in the backcountry. Natural activity up to size 2.0, on various aspects above 2000m have been reported. As well, there are reports of rider triggered activity. On Thursday there was a large (size 3) rider triggered avalanche on a south east aspect at 2900m. The crown depth being 200cm and the slide running 800 vertical meters, over a kilometer. One of the people involved has sustained serious injuries. With the clear, sunny skies ahead don't be fooled. The snowpack is still touchy with weaknesses buried below. Please refer to the Forecaster's Blog for further information and suggestions help you make the right choices in the backcountry. As well, continue to follow our bulletins. We update everyday. Have a safe, fun weekend.
Control work done on Tuesday produced a size 2 avalanche running to ground from a northeast aspect. There is still very limited observations from the region, so you will have to do the detective work. I suspect these conditions will continue through the forecast period, and it's likely that avalanches are susceptible to human/ sled triggering. With clear skies ahead this is a good opportunity to make snowpack, and avalanche observations from your surrounding mountains before jumping in to deep. I bet you'll be able to see evidence of older, large avalanches that occurred on your local mountains. I do suspect that these slopes will be ripe for human, and/or sled triggering especially on northerly aspects where avalanche activity has not occurred. Remember these avalanches are failing on weak facetted (sugary) snow at the bottom of the snowpack, producing full depth avalanches.
A few small natural avalanches were reported from treeline elevations releasing in the recent snow. Skier triggered slabs (10-30 cms deep) were reported on friday with increased winds. Expect redistribution of surface snow and stiffening of wind slabs with forecast northerly winds. Having said that, reports are sparse and we would love to hear about what you're seeing out there. Please drop us an email: forecaster@avalanche.ca.
We have a report of a large avalanche (size 3.0) triggered by a snowmobiler in the Mt. Corbin area on Saturday. Sounds like some snow stiffened by the wind released down deep on the weak facets. We will try to get more information up tomorrow. Check-out our CAC Field Team`s observations from the Harvey Pass area in our South Rockies discussion forum.If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
Avalanche activity has tapered off throughout the week. Although the likelihood of triggering avalanches is lower, the potential consequences are still very high.Likelihood of avalanches may increase on steeper, sun exposed slopes with forecast rising temperatures.
No recent avalanche observations. We have had limited info from this region. Any field reports are welcome and can be sent to forecaster@avalanche.ca.
Control work produced avalanches up to size 4.0 in the northern reaches of the forecast region.  There are no reports of human triggered avalanches from the region.
Natural and explosive controlled avalanches up to size 4.0 releasing in the storm snow. Some of the larger releases have been from glide avalanches. Most of this activity is in the West of the region closer to the coast. We don't have any new reports from the Interior.
No new observations have been reported. Any observations from the field are welcome. Please send to forecaster@avalanche.ca
Being the start of December more backcountry operations are headed into the field. This means more information, and observations are making there way into our office. Thank you!There is still numerous avalanches occurring in the backcountry. Natural activity up to size 2.0, on various aspects above 2000m have been reported. As well, there are reports of rider triggered activity. On Thursday there was a large (size 3) rider triggered avalanche on a south east aspect at 2900m. The crown depth being 200cm and the slide running 800 vertical meters, over a kilometer. One of the people involved has sustained serious injuries. With the clear, sunny skies ahead don't be fooled. The snowpack is still touchy with weaknesses buried below. Please refer to the Forecaster's Blog for further information and suggestions help you make the right choices in the backcountry. As well, continue to follow our bulletins. We update everyday. Have a safe, fun weekend.
No new avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
Recent reports include isolated small loose dry avalanches (sluffs) involving cohesionless surface snow running on the buried rain crust. These avalanches have been limited to long, steep, and smooth slopes on shady aspects at higher elevations.
A few small size 1.0-1.5 avalanches have been reported. Some of these were natural releases in dry loose snow in steep terrain. One skier remote that triggered a slide in an adjacent bowl from a ridge top, and one skier accidental size 2.0 adjacent to a ski area in steep terrain on a south aspect in the alpine.
There are a few reports of explosive controlled avalanches up to size 2.0 in pockets that are releasing near the ground on weak facetted crystals. We have dropped the danger rating in the alpine to moderate. It is still likely that you could trigger a windslab in steep terrain. Triggering a full depth release is getting less likely, but weak spots are sure to exist that may propagate a large avalanche. The snow pack is still relatively young and needs some time to mature.
A few small natural avalanches were reported from alpine elevations releasing in the recent snow over the weekend.  The region is pretty data sparse at the moment, so, we'd love to hear what you're seeing out there.  Please drop us an email: forecaster@avalanche.ca.
We have a report of a large avalanche (size 3.0) triggered by a snowmobiler in the Mt. Corbin area on Saturday. Sounds like some snow stiffened by the wind released down deep on the weak facets. We will try to get more information up soon. Check-out the CAC Field Team`s observations from last week in our South Rockies discussion forum.If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
Avalanche activity has tapered off throughout the week. Although the likelihood of triggering avalanches is lower, the potential consequences are still very high.Likelihood of avalanches may increase on steeper, sun exposed slopes with forecast rising temperatures.
Warm temperatures and sun-exposure has resulted in small wet loose avalanches in steep south aspects.
Recent explosives control produced isolated wind slab avalanches up to Size 2.5  generally on easterly aspects. A few deep slab avalanches up to Size 4 were explosive-triggered in Bear Pass. Many of these involved the entire 200-300cm snowpack running on summer firn in extreme terrain. Full depth glide avalanches have also been running below treeline in the southwestern part of the region.
No recent avalanche activity has been reported. Isolated wind slabs may be susceptible to human triggering.
No new avalanches observed. Limited old activity observed.
No new avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new avalanche observed in this region. More evidence of a widespread large avalanche cycle that happened 6-10 days ago in the Monashees.
No new avalanches have been observed and none are expected.
We continue to hear reports of very large avalanches that released around the 27th of November. It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There was one size 2.0 skier triggered slab avalanche in the South Selkirks that we know about from Monday. The slab was released by the third or fourth skier in a group, from a steep south aspect near the ridge top in the alpine.
It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. We have dropped the danger rating in the alpine to moderate. It is still likely that you could trigger a windslab in steep terrain. Triggering a full depth release is getting less likely, but weak spots are sure to exist that may propagate a large avalanche. The snow pack is still relatively young and needs some time to mature.
Avalanche activity has tapered off throughout the week. Although the likelihood of triggering deep persistent slab avalanches is low, the potential consequences are still very high.
One very recent size 2 slab was observed on Sunday on a north facing slope close to Keith's Hut in the Duffey Lake area. It appeared to be skier-triggered from the weekend.
Numerous natural loose wet avalanches up to Size 2 with isolated Size 2.5s were observed during the warm and wet weather on Monday. Large glide avalanches  from steep rock slabs were also observed; one was reported to be size 3.5.
No recent avalanche activity has been reported. Isolated wind slabs may be susceptible to human triggering.
We continue to hear reports of very large avalanches that released around the 27th of November. It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There have been no new avalanches reported in this region.
We continue to hear reports of very large avalanches that released around the 27th of November. It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There was one size 2.0 skier triggered slab avalanche in the South Selkirks that we know about from Monday. The slab was released by the third or fourth skier in a group, from a steep south aspect near the ridge top in the alpine.
A few small natural avalanches were reported from alpine elevations releasing in the recent snow over the weekend.  The region is pretty data sparse at the moment, so, we'd love to hear what you're seeing out there.  Please drop us an email: forecaster@avalanche.ca.
We have a report of a large avalanche (size 3.0) triggered by a snowmobiler in the Mt. Corbin area on Saturday. Sounds like some snow stiffened by the wind released down deep on the weak facets. We will try to get more information up soon. Check-out the CAC Field Team`s observations from last week in our South Rockies discussion forum.If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new avalanches have been observed and none are expected.
It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There was one size 2.0 skier triggered slab avalanche in the South Selkirks that we know about from Monday. The slab was released by the third or fourth skier in a group, from a steep south aspect near the ridge top in the alpine. There are a few more reports from yesterday of old large avalanches that probably released around November 27th.
No new avalanche observations from this region. We have dropped the danger rating in the alpine to moderate. It is still likely that you could trigger a windslab in steep terrain. Triggering a full depth release is getting less likely, but weak spots are sure to exist that may propagate a large avalanche. The snow pack is still relatively young and needs some time to mature. I am having a hard time dropping the treeline danger level to LOW because I think the snowpack is weaker and more variable in this region than it is to the west.
Avalanche activity has tapered off throughout the week. Although the likelihood of triggering deep persistent slab avalanches is low, the potential consequences are still very high.
One very recent size 2 slab was observed on Sunday on a north facing slope close to Keith's Hut in the Duffey Lake area. It appeared to be skier-triggered from the weekend.
Numerous natural loose wet avalanches up to Size 2 with isolated Size 2.5s were observed during the warm and wet weather on Monday. Large glide avalanches  from steep rock slabs were also observed; one was reported to be size 3.5.
No recent avalanche activity has been reported. Isolated wind slabs may be susceptible to human triggering.
There are no new observations of avalanches from this region. It has been about a week since we have had new snow in this area. The avalanche problems have been decreasing in likelihood, and the expected size has also been decreasing. I have decreased the avalanche danger at treeline to LOW, and have kept the danger rating in the alpine at MODERATE due to the likelihood of releasing an old windslab avalanche. There is still a chance of triggering a very large avalanche from a weak thin spot in areas with variable snowpack depth.
It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There was one size 2.0 skier triggered slab avalanche in the South Selkirks that we know about from Monday. The slab was released by the third or fourth skier in a group, from a steep south aspect near the ridge top in the alpine. We have a couple of reports of small size 1 releases in the alpine, and a couple of larger slides from very steep terrain along the highway corridor.
No recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No recent avalanche activity reported.  The region is pretty data sparse at the moment, so, we'd love to hear what you're seeing out there.  Please drop us an email: forecaster@avalanche.ca.
We have a report of a large avalanche (size 3.0) triggered by a snowmobiler in the Mt. Corbin area last weekend.  In short, it sounds like like some snow stiffened by the wind released down deep on the weak facets.  If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No new avalanches have been observed and none are expected.
It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There was one size 2.0 skier triggered slab avalanche in the South Selkirks that we know about from Monday. The slab was released by the third or fourth skier in a group, from a steep south aspect near the ridge top in the alpine. There are a few more reports from yesterday of old large avalanches that probably released around November 27th. A couple of large (size 2.0-2.5) natural avalanches have been reported releasing along the TCH highway corridor.
Reports of a few small explosive released avalanches in the Dogtooth. We have dropped the danger rating in the alpine to moderate. It is still likely that you could trigger a windslab in steep terrain. Triggering a full depth release is getting less likely, but weak spots are sure to exist that may propagate a large avalanche. The snow pack is still relatively young and needs some time to mature. I am having a hard time dropping the treeline danger level to LOW because I think the snowpack is weaker and more variable in this region than it is to the west.
There have been no recent avalanches reported. Although the likelihood of triggering deep persistent slab avalanches is low, the potential consequences are still very high.
One very recent size 2 slab was observed last Sunday on a north facing slope close to Keith's Hut in the Duffey Lake area. It appeared to be skier-triggered from the weekend.
Avalanche activity has tapered off since the large natural glide and wet avalanche cycle earlier in the week.
No recent avalanche activity has been reported.
There are no new observations of avalanches from this region. It has been about a week since we have had new snow in this area. The avalanche problems have been decreasing in likelihood, and the expected size has also been decreasing. I have decreased the avalanche danger at treeline to LOW, and have kept the danger rating in the alpine at MODERATE due to the likelihood of releasing an old windslab avalanche. There is still a chance of triggering a very large avalanche from a weak thin spot in areas with variable snowpack depth.
It is always important to know the history of the snowpack in the area that you want to explore. This season presents some challenges developing this baseline information due to the snow arriving well before most observers have started working in the field. It may be wise to take the time to dig down deep and see what the basement looks like in your regular play areas. There was one size 2.0 skier triggered slab avalanche in the South Selkirks that we know about from Monday. The slab was released by the third or fourth skier in a group, from a steep southwest aspect near the ridge top in the alpine. We have a couple of reports of small size 1 releases in the alpine, and a couple of larger slides from very steep terrain along the highway corridor.
No recent avalanche activity reported.  The region is pretty data sparse at the moment, so, we'd love to hear what you're seeing out there.  Please drop us an email: forecaster@avalanche.ca.
We have a report of a large avalanche (size 3.0) triggered by a snowmobiler in the Mt. Corbin area last weekend.  In short, it sounds like like some snow stiffened by the wind released down deep on the weak facets.  There have been numerous avalanches both natural and human triggered from Size 2 - 3 in the adjacent forecast areas where avalanches have been failing near the ground on the crust/facet combo.  If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new avalanches have been observed and none are expected.
A couple of large (size 2.0-2.5) natural avalanches have been reported releasing along the TCH highway corridor.
Reports of a few small explosive released avalanches in the Dogtooth.
No recent avalanche activity reported.  The region is pretty data sparse at the moment, so, we'd love to hear what you're seeing out there.  Please drop us an email: forecaster@avalanche.ca.
There have been no recent avalanches reported.
One size 2 slab was observed last Sunday on a north facing slope close to Keith's Hut in the Duffey Lake area. It appeared to be skier-triggered from that weekend.No recent avalanche activity has been reported.
Avalanche activity has tapered off since the large natural glide and wet avalanche cycle earlier in the week. Avalanche activity should pick-up again with  friday's forecast weather.
No recent avalanche activity has been reported.
There are no new avalanche observations.
No new avalanches have been reported.
There have been numerous avalanches both natural and human triggered from Size 2 - 3 in the adjacent forecast areas where avalanches have been failing near the ground on the crust/facet combo.  If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new avalanches have been observed and none are expected.
Isolated reports of small solar triggered sluffs on south facing slopes at treeline and in the alpine.
No new avalanches.
No recent avalanche activity reported.  The region is pretty data sparse at the moment, so, we'd love to hear what you're seeing out there.  Please drop us an email: forecaster@avalanche.ca.
There have been no recent avalanches reported.
No recent avalanche activity has been reported.
No avalanche activity has been reported. Expect widespread activity with current conditions and forecast weather.
No recent avalanche activity has been reported.
As folks take advantage of the clear weather to get further afield we have reports of old avalanches that released on the persistent weakness deep in the snowpack. The most recent events have been isolated to small, loose sluffs on steep south facing terrain associated with the recent daytime warming.
Recent reports are of small, loose snow sluffs on south aspects due to solar radiation.
No significant recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
There have been numerous avalanches both natural and human triggered from Size 2 - 3 in the adjacent forecast areas where avalanches have been failing near the ground on the crust/facet combo recently.  If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No new avalanches have been observed and none are expected.
No new avalanches.
Isolated explosive triggered avalanches to size 1.5.
There have been no recent avalanches reported.
No recent avalanche activity has been reported.
No avalanche activity has been reported. Expect avalanche activity with current conditions and forecast weather.
No recent avalanche activity has been reported.
The only recent avalanche report is a size 1.0 machine triggered windslab at ridgecrest from the eastern edge of the region.
No new avalanches
No significant recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
There have been numerous avalanches both natural and human triggered from Size 2 - 3 in the adjacent forecast areas where avalanches have been failing near the ground on the crust/facet combo recently.  If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
No recent avalanche activity reported.
No new avalanches have been observed and none are expected.
No new avalanches.
No new avalanches.
No recent avalanche activity has been reported.
One natural size 2.5 was reported on a steep NE aspect at 1200m failing to ground. No additional information on this avalanche. Expect avalanche activity with current conditions and forecast weather.
No recent avalanche activity has been reported.
Some sluffing of the new snow (up to size 1.0) has been reported, predominantly at treeline and below.
Isolated softslabs at ridgecrest at the northern end of the region, otherwise small sluffs predominantly at and below treeline.
Skiers were able to cut out a few small loose snow avalanches in the Fernie area Monday.
There were numerous avalanches both natural and human triggered from Size 2 - 3 in the adjacent forecast areas last week where avalanches failed near the ground on the crust/facet combo.  If you have any observations from the field, please drop us an email: forecaster@avalanche.ca.
There have been no recent avalanches reported.
No significant recent avalanche activity has been reported. If you have any avalanche observations to report, please email us at: forecaster@avalanche.ca.
No new avalanches have been observed and none are expected.
no new avalanches
No new avalanches.
One isolated soft slab avalanche size 1.5 was rider triggered on Tuesday. Sluffing from steep terrain has also been reported.
There were numerous avalanches both natural and human triggered from Size 2 - 3 in the adjacent forecast areas last week where avalanches failed near the ground on the crust/facet combo.
There have been no recent avalanches reported. Although the likelihood of triggering deep persistent slab avalanches is now low, the potential consequences are still very high.
No recent avalanche activity has been reported.
Numerous natural avalanches up to size 2 occurred overnight Monday with the new snow and wind. Explosive avalanche control work also produced numerous size 2 avalanches on east-south east aspects.
No recent avalanche activity has been reported.
No new avalanches.
Isolated softslabs at ridgecrest at the northern end of the region, otherwise small sluffs predominantly at and below treeline.
There have been no new reports of avalanches. I suspect the low density surface snow will sluff readily with human triggers on steep slopes. Fresh soft wind slabs are expected to form and become an avalanche problem.
No new avalanches have been observed. Fresh wind slabs are developing throughout the forecast period and expected to become an avalanche problem.
no new avalanches
No new avalanches.
One isolated soft slab avalanche size 1.5 was rider triggered on Tuesday. Sluffing from steep terrain has also been reported.
Numerous rider triggered size 1 slab avalanches reported. These avalanches initiated from firm of pockets of wind slabs. They occurred on north-northwest aspects around 2100m.
There have been no new reports of avalanches. Fresh soft wind slabs are expected to form and become an avalanche problem.
There have been no new reports of avalanches. Fresh soft wind slabs are expected to form and become an avalanche problem.
Several operations got out Tuesday to do some helicopter bombing. They reported numerous avalanches up to size 3 on east-southwest facing slopes. On Wednesday widespread natural avalanches up to size 2 were reported. These avalanches all ran on the December 09/12 (111209, 111212) buried surfaces ( surface hoar, melt-freeze crusts). With more wind, snow and rising freezing levels Friday/Saturday we can expect another natural avalanche cycle.
No recent avalanche activity has been reported. I suspect we will see a natural cycle through the early part of the weekend with more snow and wind forecast. If you see any avalanche activity, or have made field observations please feel free to send them our way. Write to us at forecaster@avalanche.ca.
No new avalanches.
No new avalanches
There have been no recent reports of avalanches. Fresh soft wind slabs are expected to form and become an avalanche problem.
No new avalanches have been observed. Fresh wind slabs are developing throughout the forecast period and expected to become an avalanche problem.
No reports of new avalanches. It may take another day or two of additional new snow and wind to develop a new storm snow problem.
A couple of new explosive released avalanches up to size 2.0 along the highway corridor. No new avalanches reported.
Several rider triggered avalanches up to size 1.5 occurred on all aspects. The slabs are reported to be very touchy under foot and running fast.
Numerous rider triggered size 1 slab avalanches reported. These avalanches initiated from firm of pockets of wind slabs. They occurred on north-northwest aspects around 2100m.
Recent observations include several easily triggered pockets of fresh wind slab in immediate lee terrain near ridge crests. The size and likelihood of avalanches should gradually increase with incremental loading over the next few days.
There have been no new reports of avalanches. Fresh soft wind slabs are expected to form and become an avalanche problem.
Control work with explosives has produced numerous avalanches up to size 3 on east-south facing slopes. On Wednesday widespread natural avalanches up to size 2 were reported. These avalanches all ran on the December 09/12 (111209, 111212) buried surfaces ( surface hoar, melt-freeze crusts). With more wind, snow and rising freezing levels Friday/Saturday we can expect another natural avalanche cycle.
Several size 2 natural avalanches have been reported. These occurred on northerly aspects failing on the SH/CR/FC combo layer. I suspect we will see a natural cycle through the early part of the weekend with more snow and wind forecast.
There have been no recent reports of avalanches. Fresh soft wind slabs are expected to form and become an avalanche problem.
No reports of avalanche activity. Expect avalanche activity with forecast weather.
No new avalanches have been reported
Some small loose snow avalanches up to size 1.0
There have been a number of recent rider triggered size 1 slab avalanches reported. These avalanches initiated from firm of pockets of wind slabs. They occurred on north-northwest aspects around 2100m.
No new avalanches reported. Expect conditions in this region to change overnight resulting in rising danger levels.
Some loose snow avalanches size 1.5-2.0 have been reported.
I expect to see a number of relatively small avalanches affecting the 20 cm of new snow. Areas particularly susceptible will be steep gully sides and smooth open slopes at higher elevations.
Some small loose snow avalanches up to size 1.0
Several recent rider-triggered avalanches up to size 1.5 but typically size 1 have occurred recently, mostly on N to NE aspects. Slabs have been reported as touchy and running fast.
Recent observations include several easily triggered pockets of fresh wind slab in immediate lee terrain near ridge crests. The size and likelihood of avalanches should increase with saturday's forecast weather.
There have been no new reports of avalanches. Fresh wind slabs are expected to form and become an avalanche problem with the forecast weather on saturday.
Control work with explosives over the last few days has produced numerous avalanches up to size 2.5 on a variety of aspects and elevations. On Wednesday widespread natural avalanches up to size 2 were reported. These avalanches all ran on the mid-December buried surfaces ( surface hoar, melt-freeze crusts). With more wind, snow and rising freezing levels Friday/Saturday we can expect another significant natural avalanche cycle.
Several size 2 natural avalanches were reported earlier in the week. These occurred on northerly aspects failing on the SH/CR/FC combo layer. I suspect we will see a natural cycle through the early part of the weekend with more snow and wind forecast.
There have been no recent reports of avalanches.
Several small loose snow slides were observed during the warm-up immediately following the storm on Friday. This activity has ended now and no further activity is expected until new snow arrives.
Loose snow sluffing in steep terrain up to size 2.0 has been reported in the region.
No new avalanches reported.
Explosive testing on Saturday produced avalanches up to size 2 in previously controlled paths that became loaded with wind-blown snow from the extreme wind event.
Recent reports of riders triggering small wind slabs on NE aspects around 2100 m are now a few days old, but still valid, given the recent wind event.
Recent observations include several easily triggered pockets of fresh wind slab in immediate lee terrain near ridge crests. The size and likelihood of avalanches should increase with saturday night's forecast weather.
None reported at this time.
Control work with explosives during the week produced numerous avalanches up to size 2.5 on a variety of aspects and elevations. On Wednesday widespread natural avalanches up to size 2 were reported. These avalanches all ran on the mid-December buried surfaces ( surface hoar, melt-freeze crusts). With the intense wind and snow forecast for monday we can expect another significant natural avalanche cycle.
No new avalanches have been reported. This may speak more to lack of reports from the field than actual avalanche conditions. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
Sluffing and ski-cuts up to size 1.0 reported by operators in this region. Most operators have not been in the alpine due to strong winds and poor visibility.
Some loose snow avalanches size 1.0-1.5 have been reported.
There have been no recent reports of avalanches from this area.
No recent avalanches have been reported.
Natural avalanches up to size 2.0 were observed on Saturday in the Monashees and Selkirks releasing in the storm snow as soft slabs or loose snow sluffing. Most were 20-30 cm deep, and some were commented to be running fast and long in moderate angled terrain. With higher than forecast new snow overnight into Sunday, we expect that a natural cycle occurred in areas where the storm slab has approached 50 cm. The next wave of precipitation may be the "Tipping Point" for areas that currently have a  20-30 cm storm slab.
Natural avalanches up to size 2.0 at treeline on North through East aspects.Natural avalanches up to size 2.5 along the highway corridor directly to the west of the region.No other avalanches reported. I suspect that there was a natural cycle after the rapid loading that occurred on Sunday morning.
Explosive testing on Sunday produced avalanches up to size 2 on NE aspects around 2000m. What was notable about these releases was that the slides stepped down to the lower facet layers in some places.
Small point releases to size 1 were noted from an area east of Hwy 43 in steep terrain. Recent reports of riders triggering small wind slabs on NE aspects around 2100 m are now a few days old, but still valid, given the recent wind event.
Recent observations include several easily triggered size 1 windslabs on lee terrain in the alpine near ridge crests.
Size 1 natural activity (on lee features in the alpine) was reported on saturday. We have had no other reports from the field. We'd love to hear what you're seeing out there. Any observations (professional or recreational) are welcome at forecaster@avalanche.ca.
Numerous size 2 naturals were observed in steep terrain on all aspects in the Bear Pass area on saturday. Near Shames recent size 2 naturals were observed as were significant whumphing and cracking.With the intense wind and snow forecast for monday we can expect another significant natural avalanche cycle.
On saturday evidence of a size 2 natural avalanche cycle was reported in the Hankin area. There was also human triggering to size 2.5 in the same area.  It is thought that these slides are releasing on the crust/surface hoar/facet interface. Forecast weather is uncertain for monday. If precip values are on the high side, expect another spike in natural avalanche activity for the region.Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
A couple of  natural and skier cut avalanches up to size 1.5 have been reported.
Operators in The North Monashee are reporting natural avalanches up to size 2.0 near treeline. Some avalanches up to size 2.5 are suspected in the alpine from Saturday. The storm slab in the north appears to be between 40-60 cm. The North Selkirk are reporting less frequent avalanches up to size 1.5  There have been a few larger avalanches up to size 3.0 reported along the highway corridor on Sunday morning.
A small (size 1) avalanche was ski cut near Nelson on Saturday on a NW aspect at 2000m. The failure plane was approximately 15 cm deep.
No recent avalanches have been reported. Fresh wind slabs may be susceptible to human-triggering, although any ensuing avalanches are expected to be relatively harmless.
Both natural and human-triggered avalanches up to size 2.5 were observed on Saturday and Sunday in the Monashees and Selkirks, releasing on the surface hoar layer from mid-December. Notable is the wide distribution, with avalanches reported on all aspects and elevations from 1400 to 2300 m. Most were 30-40 cm deep, although one was reported to have a fracture line up to 70 cm deep. Several remote-triggered avalanches occurred, where the avalanche was triggered by someone riding some distance from where the slide occurred. Sympathetic avalanches were also reported, where one slide initiated other avalanches. With further snowfall, the current pattern of avalanche activity will continue, but the size and destructive force will go up.
Explosive testing on Sunday produced avalanches up to size 2 on NE aspects around 2000m. What was notable about these releases was that the slides stepped down to the lower facet layers in some places. Ski cutting on N to E aspects has produced small (up to size 1.5) slab avalanches reported to be running fast and far, but only affecting to top 20 cm of the snowpack.
We have had reports of shallow slab avalanches affecting the top 20 cm of the snowpack, running on the mid-December surface hoar layer. Although these shallow slides (to size 1.5) do not have much mass, they were reported as running "fast and far". They were reported from the Harvey Pass area at 1800-2000m on a north aspect.
Recent observations include several artificially triggered Size 1, and one Size 2, wind slab avalanches from steep lee and cross-loaded alpine slopes. In the Diamond head area of Garibaldi Park, a natural Size 2.5 slab avalanche was observed on Sunday on a large steep wind-affected slope. Several natural loose snow avalanches up to Size 2 occurred in response to the rain/warming event on Saturday and sun-exposure on Sunday.  Deep persistent slab avalanche activity on any basal layers is highly unlikely at this time.
Recent avalanches have been limited to easy to trigger, but small sluffs.
Recent reports include several human triggered relatively harmless thin soft wind slab avalanches running fast and loose on large surface hoar.
Natural avalanches occurred in the Dogtooth range on Sunday up to size 2.0 at treeline on North through East aspects.
Numerous size 2 naturals were observed in steep terrain on all aspects in the Bear Pass area on saturday. Near Shames recent size 2 naturals were observed as were significant whumphing and cracking.
On saturday evidence of a size 2 natural avalanche cycle was reported in the Hankin area. There was also human triggering to size 2.5 in the same area.  It is thought that these slides are releasing on the crust/surface hoar/facet interface. Forecast weather is uncertain for monday. If precip values are on the high side, expect another spike in natural avalanche activity for the region.Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
Numerous natural avalanches up to size 2.5 occurred in the Cariboos on Sunday. They ran on all aspects above 1800m. Most of this avalanche activity has occurred on the early December surface hoar/facet/crust layer.
On Sunday a widespread natural and rider triggered avalanche cycle occurred. The avalanches were primarily on NW-SE aspects and above 1400m. Reports show a decent mix of sliding layers. Some failed within the storm snow, while most slides occurred on the December 14th buried surface hoar/ facet layer. Areas that have not yet avalanched are suspect to rider triggers.
Recent reports include isolated stubborn loose wet surface sluffs from steep treeline terrain features that have enough snow to smooth out ground roughness.
Both natural and human-triggered avalanches up to size 2.5 continue to be reported in the Monashees and Selkirks, releasing on the surface hoar layer from mid-December. Notable is the wide distribution, with avalanches reported on all aspects and elevations from 1400 to 2300 m. In the north of the region, fractures are typically 30-40 cm deep, although one was reported to have a fracture line up to 70 cm deep. In the south of the region, typical fracture depths are more like 20 cm. Several remote-triggered avalanches occurred, where the avalanche was triggered by someone riding some distance from where the slide occurred. Sympathetic avalanches were also reported, where one slide initiated other avalanches. With further snowfall, the current pattern of avalanche activity will continue, but the size and destructive force will go up.
A natural avalanche cycle up to size 2 occurred in the Dogtooth and Bugaboo ranges last weekend. Human-triggered slab avalanches have been reported subsequently from these areas up to size 2 on a variety of aspects and elevations. Due to the well-developed nature of the surface hoar layer, touchy avalanche conditions will persist where the slab is sufficiently deep and avalanches have not already run.
Explosive testing on Sunday produced avalanches up to size 2 on NE aspects around 2000m. What was notable about these releases was that the slides stepped down to the lower facet layers in some places. Ski cutting on N to E aspects has produced small (up to size 1.5) slab avalanches reported to be running fast and far, but only affecting the top 20 cm of the snowpack.
We have had reports of shallow slab avalanches affecting the top 20 cm of the snowpack, running on the mid-December surface hoar layer. Although these shallow slides (to size 1.5) do not have much mass, they were reported as running "fast and far". They were reported from the Harvey Pass area at 1800-2000m on a north aspect.
Recent observations include several artificially triggered Size 1, and one Size 2, wind slab avalanches from steep lee and cross-loaded alpine slopes. In the Diamond head area of Garibaldi Park, a natural Size 2.5 slab avalanche was observed on Sunday on a large steep wind-affected slope. Several natural loose snow avalanches up to Size 2 occurred in response to the rain/warming event on Saturday and sun-exposure on Sunday.  Deep persistent slab avalanche activity on any basal layers is highly unlikely at this time.
Fresh wind slabs and cornices are sensitive to human-triggers, but the ensuing avalanches are generally small.
A widespread natural avalanche cycle hit the region on Monday. Large avalanches up to size 3 occurred on all aspects at all elevations.Operators are still suggesting that this weak buried interface has been very touchy, reactive and the results being large avalanches. This problem may be on its way out with continued storm loading and stress. At this point we need to remain conscious of this interface, and the re-loading of previous bed surfaces as the next storm hits the coast on Thursday. We may see another widespread avalanche cycle Thursday and Friday. Once it stops snowing and blowing the new snow should start to settle out, and avalanche danger will decrease.
On saturday evidence of a size 2 natural avalanche cycle was reported in the Hankin area. There was also human triggering to size 2.5 in the same area.  It is thought that these slides are releasing on the crust/surface hoar/facet interface. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
A rider triggered avalanche was triggered remotely 20m away. This was on a NE aspect at 2100m and was a size 2. Remotely triggered avalanches are an indicator of a very touchy snowpack. You need to be very aware and make observations while you travel in avalanche terrain at all elevations. Numerous natural avalanches up to size 2.5 occurred in the Cariboos on Sunday. They ran on all aspects above 1800m. Most of this avalanche activity has occurred on the early December surface hoar/facet/crust layer.
On Monday numerous rider triggered avalanches were reported. The natural activity has eased off, but conditions are RIPE for rider triggered avalanches. The avalanches occurred primarily on NW-SE aspects and above 1400m. They failed on the December 14th buried surface hoar/ facet layer. Areas that have not yet avalanched are suspect to rider triggers.
Recent reports include isolated human triggered Size 1 thin soft wind slab avalanches running on large surface hoar, on south through east facing treeline slopes.
No recent avalanches have been observed or reported.
Recent observations are limited to isolated human-triggered Size 1 fresh wind slabs. One was 20m wide by 20cm deep on a NE facing alpine slope.
Fresh wind slabs and cornices are sensitive to human-triggers and could produce avalanches up to size 2.
On Tuesday a skier triggered an avalanche remotely 20m away. This was on a NE aspect at 2100m and was a size 2. Remotely triggered avalanches are an indicator of a very touchy snowpack. You need to be very aware and make observations while you travel in avalanche terrain at all elevations. They ran on all aspects above 1800m. Most of this avalanche activity has occurred on the early December surface hoar/facet/crust layer.
The natural avalanche activity has subsided. Reports from the field are still talking about rider triggered avalanches. A size 2 skier accidental occurred yesterday in the south end of the region. Over the past few days I've read numerous rider triggered avalanche reports. The snowpack is ripe you triggering a slide is likely. Remote triggering has also been an issue. This happens when the weak layer in the snowpack is susceptible to fast propagation and energy transfer. The weight of a person can initiate a failure above the weak layer from a distance away (like a ridge, or maybe a flat valley). This is a tough problem to predict.
Recent avalanche activity has been limited to isolated minor sluffing on steep shady slopes.
Avalanche activity has slowed down, but both human and naturally triggered avalanches are still being reported up to size 2.5. These have been on all aspects and elevations, with notable involvements in gladed terrain below treeline. The avalanches are failing on the surface hoar buried between December 11-14 and are much more prevalent in the northern end of the region.
Isolated reports of windslab avalanches in immediate lee locations. Due to the well-developed nature of the surface hoar layer, touchy avalanche conditions will persist where the slab is sufficiently deep and avalanches have not already run.
No new slab avalanches, but reports of sluffs running fast and far in sheltered areas.
We have isolated reports of shallow slab avalanches affecting the top 20 cm of the snowpack, running on the mid-December surface hoar layer in the northern part of the region.
No new avalanche activity has been reported. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
A widespread natural avalanche cycle hit the region on Tuesday. Large natural and explosive controlled avalanches up to size 3 occurred on all aspects at all elevations. A natural size 4 also occurred on a SE aspect around 1600m.We may see another widespread avalanche cycle Thursday and Friday. Once it stops snowing and blowing the new snow should start to settle out, and avalanche danger will decrease.
No recent avalanches have been observed or reported.
Avalanche observations have dramatically slowed, with minimal new observations. Reports show no new natural avalanches and small, human triggered slides. As the load increases through the weekend, the likelihood of triggering will go up. Threshold for human triggering will precede natural releases.
In the heart of the range (with a deeper snowpack) explosive triggered avalanches have been observed in wind loaded ridgecrest features to size 2.5. Elsewhere, explosive and ski cutting have yielded limited results.
Explosives work has triggered isolated avalanches to size 1.5. The buried surface hoar has also been skier triggered in sheltered areas to size 1.0.
No new avalanches
Recent observations are limited to isolated human-triggered Size 1 fresh wind slabs. One was 20m wide by 20cm deep on a NE facing alpine slope.
Fresh wind slabs and cornices are sensitive to human-triggers and could produce avalanches up to size 2.
Natural avalanche activity up to size 2.5 occurred on Wednesday on a west aspect at 1900m. Heli-bombing control programs also produced slab avalanches up to size 2.5 on all aspects from 1000m and higher. We may see another widespread avalanche cycle through the early part of the weekend. Once it stops snowing and blowing the new snow should start to settle out, and avalanche danger will decrease.
No new avalanche activity has been reported. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
No new observations reported since Wednesday. You need to be very aware and make observations while you travel in avalanche terrain at all elevations. Reports of rider triggered avalanches occurred Monday-Wednesday. Most of this avalanche activity has occurred on the early December surface hoar/facet/crust layer.
The natural activity has eased off, but conditions are RIPE for rider triggered avalanches; especially as more snow and wind arrives over the holiday weekend. Areas that have not yet avalanched are suspect to rider triggers. Continually make observations in the mountains when your traveling, and suspect slopes that have not previously avalanched.
Recent reports include isolated human triggered Size 1 thin soft wind slab avalanches running on large surface hoar, on south through east facing treeline slopes.
No recent avalanches have been observed or reported.
Recent explosive control yielded one 2.0 slab, and we have a report of a small accidental skier triggered slide with no involvement.  Both of these events were in the northern part of the region. As the load increases through the weekend, the likelihood of triggering will go up. Threshold for human triggering will precede natural releases.
No new avalanches.
Recent explosives work has triggered isolated avalanches to size 1.5. There were 2 incidents reported in the Lizard range yesterday; check out the links for more information.  http://bit.ly/uBRvLX    http://bit.ly/rE20wh
No new avalanches. Nearby (in the Lizard Range) there were 2 incidents reported yesterday. Check out the incidents through these links:   http://bit.ly/uBRvLX     http://bit.ly/rE20wh
Recent observations are limited to isolated human-triggered Size 1 fresh wind slabs. One was 20m wide by 20cm deep on a NE facing alpine slope.
Fresh wind slabs and cornices are sensitive to human-triggers A size 2 windslab was ski cut yesterday on Vantage Peak on the Duffey Lake area (alpine elevation band-northeast aspect)
Limited observations at this time. Expect widespread natural avalanche activity throughout the weekend for forecast wind and snow.
No new avalanche activity has been reported. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
No new avalanches have been reported since Wednesday. It's a big area, however, and we receive limited reports. Earlier in the week, a natural avalanche cycle was observed in the South Cariboos, mostly on north aspects in the alpine. Several rider-triggered avalanches occurred, with the mid-December hoar/facet/crust interface causing most concern. With new wind-slabs building over these known weaknesses, further avalanche activity remains a distinct possibility.
Avalanche activity has slowed, but occasional rider-, explosives- and naturally-triggered avalanches are still being reported, mostly in the size 1-2.5 range.
Recent reports include isolated human triggered Size 1 thin soft wind slab avalanches running on large surface hoar, on south through east facing treeline slopes.
No recent avalanches have been reported.
We have reports of several human triggered avalanches up to size 2.0 from the northern part of the region. These are running on the early December interface, predominantly on shady aspects between 1600-2100m.
A few small explosive triggered slides and some small natural events associated with reverse loading.
Recent explosives work has triggered isolated avalanches to size 1.5. There were 2 incidents reported in the Lizard range on December 22, and one December 23; cut and paste these links for more information.http://bit.ly/uBRvLX             http://bit.ly/rE20wh       http://bit.ly/tcggvH
No new avalanches. Nearby (in the Lizard Range) there were 2 incidents reported on December 22 and 1 on December 23. For more info, copy and paste these links:      http://bit.ly/uBRvLX           http://bit.ly/rE20wh          http://bit.ly/tcggvH
No new avalanche activity reported in the last 24 hours. Fresh wind slabs and cornices are sensitive to human-triggers and will continue to be with forecast weather.
On the 23rd a natural avalanche cycle took place in the northern part of the region producing slides up to size 3. In the south, observations were extremely limited due to poor visibility.  Expect widespread natural avalanche activity throughout the forecast period with expected snow and wind.
No new avalanches have been reported. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
No new avalanches have been reported since Wednesday. It's a big area, however, and we receive limited reports. Earlier in the week, a natural avalanche cycle was observed in the South Cariboos, mostly on north aspects in the alpine. Several rider-triggered avalanches occurred, with the mid-December hoar/facet/crust interface causing most concern. With new storm slabs and wind-slabs building over these known weaknesses, further avalanche activity remains a distinct possibility.
A handful of human-triggered slabs in the size1-2 range were reported on Friday, running on the mid-December surface hoar interface around 50cm deep. These were on a range of slope aspects which varied in elevation from 1200-2100m. Recently, glide releases have also been occurring naturally at low elevations.
No new avalanches have been reported.
Multiple size 1 and 1.5 slab avalanches were observed on lee aspects at treeline and in the alpine on saturday. Conditions have been described as touchy with the new snow and wind.
No recent avalanches have been reported.
There are reports of natural, human and remote triggered avalanches up to size 1.5. While previous avalanches were confined to the northern part of the region, these new reports are from further south. The focus is on elevations between 1500-2100m. While small, these new avalanches suggest that the tipping point for activity on the early December surface hoar is slowly arriving, and the problem is likely to get worse as more snow falls.
No new avalanches
Recent explosives work has triggered isolated avalanches to size 1.5. There were 2 incidents reported in the Lizard range on December 22, and one December 23; cut and paste these links for more information.http://bit.ly/uBRvLX             http://bit.ly/rE20wh       http://bit.ly/tcggvH
No new avalanches. Nearby (in the Lizard Range) there were 2 incidents reported on December 22 and 1 on December 23. For more info, copy and paste these links:      http://bit.ly/uBRvLX           http://bit.ly/rE20wh          http://bit.ly/tcggvH
Numerous Size 1-2 slab avalanches have been reported in the past 48 hours, primarily in wind affected terrain near ridge crests. Expect the size and likelihood of avalanches to increase through the forecast period.
No new avalanche activity reported in the last 24 hours. Fresh wind slabs and cornices are sensitive to human-triggers and will continue to be with forecast weather. There was one report of a Size 2 intentionally triggered avalanche in the Duffy Lake area on Thursday. This occurred in the alpine just below the ridge crest on a wind loaded NE aspect.
Expect widespread natural avalanche activity throughout the forecast period with forecast snow and wind. Several natural slab and loose snow avalanches up to Size 2.5 were observed at lower elevations around Shames and west of Terrace on Saturday. Recent observations have been limited to below treeline.
No new avalanches have been reported. Any information (professional or recreational) from the field is highly appreciated. Please send your observations to forecaster@avalanche.ca.
No new avalanches have been reported.
Loose snow sluffing has been observed on steep terrain.
Several natural and skier-triggered size 1 soft slabs were observed on Saturday. In uncompacted terrain, these were failing on the surface hoar interface buried in mid-December.
No recent avalanches have been reported.
Reports of rider triggered avalanches up to size 1 are continued. While previous avalanches were confined to the northern part of the region, these new reports are from further south. The focus is on elevations between 1500-2100m. While small, these new avalanches suggest that the tipping point for activity on the early December surface hoar is slowly arriving, and the problem is likely to get worse as more snow falls.
Several size 1 rider triggered avalanches. One of these released on the mid-December surface hoar/facet layer on a NE aspect around 1900m. The others released within the upper 15-30cms of the snowpack on a buried surface hoar layer from December 20th. These are layers of concern that could start to produce larger avalanches once we receive more forecast wind, and snow.
Recent explosives work has triggered isolated avalanches to size 1.5. There were 2 incidents reported in the Lizard range on December 22, and one December 23. Please visit avalanche.ca, click on bulletins, then incident report database for more information.
No new avalanches. Nearby (in the Lizard Range) there were 2 incidents reported on December 22 and 1 on December 23. For more information please visit avalanche.ca, click Bulletins then incident report database.
Numerous Size 1-2 slab avalanches have been reported in the past 48 hours, primarily in wind affected terrain near ridge crests. Expect the size and likelihood of avalanches to increase through the forecast period.
Fresh wind slabs and cornices may be sensitive to human-triggers and the likelihood of natural activity will increase with the forecast weather.
Expect natural avalanche activity throughout the forecast period with forecast snow and wind. Several natural slab and loose snow avalanches up to Size 2.5 were observed at lower elevations around Shames and west of Terrace on Saturday. Recent observations have been limited to below treeline.
There is one new report of a Size 1.5 natural slab avalanche from the NW part of the region. It occurred on Saturday and may have released on the mid-December surface hoar at around 1100m on a north aspect.
No new avalanches have been reported.
Loose snow sluffing has been observed on steep terrain. Small pockets of windslab were triggered on Sunday in isolated terrain features at ridge top.
A natural and skier-triggered avalanche cycle with slabs up to size 2 was observed over the last couple of days. These were failing on the mid-December surface hoar on north through east aspects from 1700m to the peaks. Wind loading from the south-west overnight Sunday led to naturally-triggered wind-slabs on lee slopes on Monday morning. Touchy conditions are likely to continue through the forecast period.
Explosives control triggered a size 1 slab on Tuesday morning.
Natural activity up to size 2 has started to ramp up in the South Columbias. There are also continued reports of rider triggered avalanches up to size 2, and natural cornice failures triggering slopes below up to size 2. The focus is on elevations between 1500-2100m, and mainly on North-South aspects. These new avalanches suggest that the tipping point for activity on the mid-December surface hoar is happening, and the problem will likely get worse with more forecast snow, wind and rising freezing levels. Check out the Forecasters Blog to see an updated avi picture. It clearly indicates how touchy the surface hoar layer is on convexities and low angle terrain.
Numerous Size 1-2 slab avalanches (both natural and human triggered) have been reported in the past 48 hours, primarily in wind affected terrain near ridge crests. There is one new report of a Size 2 accidentally triggered avalanche in the Spearhead Range on December 26. It was a close call that resulted in some lost skis, but fortunately no full burial or injury. Expect the size and likelihood of avalanches to increase through the forecast period.
There is one new report of skier triggered slab avalanche from Monday. It was intentionally triggered on a steep northerly slope near treeline, and may have released on buried surface hoar. I expect the size and likelihood of natural and human triggered avalanches to increase with the next weather system arriving Tuesday night.
Observations from the Microwave area (S. of Dennis Lake) on Dec. 26: Several easily triggered soft slabs on steep features up to treeline. No alpine observations due to cranking winds and blowing snow. I would expect some natural avalanche activity at higher elevations, primarily in wind loaded terrain.
A size 2 naturally-triggered storm slab was observed on a west aspect at 2400m.
In the far south of the region, natural cornice-triggered and easily human-triggered slabs up to size 2.5 have been observed. Very touchy conditions have led to avalanches releasing on low angled terrain and propagating quickly, running on the mid-December surface hoar layer. Check out the Forecaster's Blog for photos. In the rest of the region, slabs and loose snow avalanches up to size 1.5 involving the new snow have been reported.
A natural and skier-triggered avalanche cycle with slabs up to size 2 was observed over the last couple of days. These were failing on the mid-December surface hoar on north through east aspects from 1700m to the peaks. Wind loading from the south-west overnight Sunday led to naturally-triggered wind-slabs on lee slopes on Monday morning. Touchy conditions are likely to continue through the forecast period and avalanches are likely to increase in size as snow-loading builds.
On Monday up to four different skier triggered avalanches occurred. They sized 1-1.5 released in facets down 30cms, and a weak storm snow interface also down 30cms. In the Dogtooth Range natural cornice occurred that released a size 2. As more snow and wind enters the region its likely that we'll start to see more avalanche activity on these weak layers.
A size 1.5 skier triggered avalanche occurred on Tuesday in the Lizard Range. The skier was not buried and unharmed. There were 2 incidents reported in the Lizard range on December 22, and one December 23. Please visit avalanche.ca, click on bulletins, then incident report database for more information. With more forecast wind and snow the avalanche danger will increase. Please visit avalanche.ca, click on bulletins, then incident report database for more information.
No new avalanches. Nearby (in the Lizard Range) there were 2 incidents reported on December 22 and 1 on December 23. For more information please visit avalanche.ca, click Bulletins then incident report database.
Explosives control triggered a size 1 slab on Tuesday morning.
Isolated size 1-1.5 natural avalanches occurred on Wednesday. They ran on North aspects between 1700-1800m. The weak layer being down 25cms on the December 25th surface hoar/graupel. Explosive testing produced larger results size 1-3 slabs on N-NE aspects at 1800m. There were 2 incidents reported in the Lizard range on December 22, and one December 23. Please visit avalanche.ca, click on bulletins, then incident report database for more information. With more forecast wind and snow the avalanche danger will stay elevated.
Some natural low density sluffing in steep, rocky terrain features. Cornice fall on N-NE aspects initiating avalanches up to size 2.
Numerous Size 1-2 slab avalanches (both natural and human triggered) have been reported in the past 48 hours. There is one new report of a Size 2 accidentally triggered avalanche on Paul Ridge (Garibaldi Park) on Wednesday. Luckily no one was involved. Expect the size and likelihood of avalanches to increase through the forecast period.
Observations are limited, but there are reports of a small natural avalanche cycle up to Size 2 on Tuesday. The size and likelihood of natural and human triggered avalanches should continue to increase heading into the weekend.
Highways avalanche control produced numerous Size 2-3.5 slab avalanches on Tuesday. I suspect there was a fairly widespread avalanche cycle in backcountry areas on Monday and/or Tuesday, and this cycle may continue for another day or two as another system is forecast to bring moderate to heavy snow and strong winds again tonight.
Observations from the Microwave area (S. of Dennis Lake) on Dec. 26: Several easily triggered soft slabs on steep features up to treeline. No alpine observations due to cranking winds and blowing snow. I would expect some natural avalanche activity at higher elevations, primarily in wind loaded terrain.
A size 2 naturally-triggered storm slab was observed on a west aspect at 2400m.
We are in the midst of an avalanche cycle, with both natural and human-triggered avalanches being observed in many locations. Both storm snow and persistent slabs (running on the mid-December surface hoar) have been reported.
We are now in an avalanche cycle with numerous natural and human-triggered avalanches occurring, reported as up to size 2.5. Many of these are failing on the mid-December surface hoar, mostly on north through east aspects from 1500m to the peaks. A skier remotely triggered an avalanche from 50m away and in many places shooting cracks and whumphing are further indicators of a very touchy, unstable snowpack.
Natural activity up to size 2.5 has ramped up in the South Columbias. There are also continued reports of rider triggered avalanches up to size 2, and natural cornice failures triggering slopes below up to size 2.5. The focus is on elevations between 1300-2100m, and mainly on North-South aspects. These new avalanches suggest that the tipping point for activity on the mid-December surface hoar is happening, and the problem will likely get worse with more forecast snow, wind and rising freezing levels. Check out the Forecasters Blog to see an updated avi picture. It clearly indicates how touchy the surface hoar layer is on convexities and low angle terrain.
Numerous small size 1 slab and loose avalanches occurred on Tuesday. As more snow and wind enters the region its likely that we'll start to see more avalanche activity on these weak layers.
Both natural and human-triggered avalanches have been observed in the last 24 hours in many locations.  Both storm snow and persistent slabs (running on the mid-December surface hoar) have been reported.
We are now in an avalanche cycle with numerous natural avalanches occurring, reported up to size 3. These occurred on all aspects above 1700m with wide propagations, and crown depths up to 50cms. Many of these are failing on the mid-December surface hoar, mostly on north through east aspects from 1500m to the peaks. A skier remotely triggered an avalanche from 50m away and in many places shooting cracks and whumphing are further indicators of a very touchy, unstable snowpack.
Reports of natural large avalanches to size 3 have occurred throughout the South Columbias. Continued reports of rider triggered avalanches up to size 1.5, and natural cornice failures triggering slopes below up to size 2.5. The focus is on elevations between 1300-2100m, and mainly on North-South aspects. This avalanche cycle indicates that the December 24th surface hoar and the mid-December surface hoar layers have reached the tipping point and are producing large slab avalanches. Check out the Forecasters Blog to see an updated avi picture. It clearly indicates how touchy the surface hoar layer is on convexities and low angle terrain.
An operation in the North end of the region saw a natural avalanche cycle up to size 3.5 on Wednesday. Additionally naturals up to size 1.5 were reported in the Southern sections. There was also a skier remote avalanche that was triggered from 25m away. This failed on the December 24th surface hoar layer. Where this layer exists is quite touchy and has wide propagation propensity.
Natural avalanche activity up to size 2.5 on N-NE aspects. Explosives control produced many large avalanches up to size 3. These slides ran on North aspects between 1700-1800m. The weak layer being down 25cms on the December 25th surface hoar/graupel. With more forecast wind and snow the avalanche danger will stay elevated.
Natural activity reported today up to size 2 on steep N-NE facing slopes. Some natural low density sluffing in steep, rocky terrain features. Cornice fall on N-NE aspects initiating avalanches up to size 2.
No new avalanches have been reported. Glide cracks have been opening up on steep features.
Highways avalanche control triggered size 3 slabs up to 1m deep. A skier was carried some distance by an avalanche in the Duffey Lake area on Thursday afternoon. I expect avalanche activity to continue, with less naturally-triggered and more human-triggered events occurring over the next couple of days.
Numerous Size 1-3 slab avalanches (both natural and human triggered) have been reported in the past 72 hours. Skiers accidentally triggered avalanches in Garibaldi Park (Wednesday) and in the backcountry near Blackcomb (Thursday). In both cases they had a lucky escape. I expect to see continued avalanche activity; however we are getting into a period where there will not be as many obvious clues of danger: natural avalanching will decrease but human-triggering will probably increase.
Observations from the Microwave area (S. of Dennis Lake) on Dec. 26: Several easily triggered soft slabs on steep features up to treeline. No alpine observations due to cranking winds and blowing snow. I would expect some natural avalanche activity at higher elevations, primarily in wind loaded terrain.
Limited visibility yesterday 111229 = No recent observations.  Suspect continued natural avalanche activity.
Highways avalanche control produced numerous Size 2-3.5 slab avalanches. The largest of these failed at ground, up to 4m deep.
Natural and remotely triggered avalanches up to size 2.0 were reported to be observed on Thursday. Explosive controlled avalanches up to size 3.0 released on the October crust or on the ground.
Natural avalanche activity reported today was limited to a natural wind slab release size 2.5 from an East aspect. We continue to get reports of old activity that occurred during the recent storm.
Wind slabs and cornice releases dominated recent avalanche observations. Highways avalanche control produced numerous Size 2-3.5 slab avalanches. The largest of these failed at ground, up to 4m deep.
No new observations from this region.
The recent natural avalanche cycle continues to produce natural and human triggered avalanches up to size 3.0. These occurred on all aspects above 1700m with wide propagations, and crown depths up to 80cms. Many of these are failing on the mid-December surface hoar, mostly on north through east aspects from 1500m to the peaks. A skier remotely triggered an avalanche from 50m away and in many places shooting cracks and whumphing are further indicators of a very touchy, unstable snowpack.
No new avalanches have been reported. Glide cracks have been opening up on steep features.
Numerous Size 1-3 slab avalanches (both natural and human triggered) have been reported in the past few days. Skiers accidentally triggered avalanches in Garibaldi Park (Wednesday) and in the backcountry near Blackcomb (Thursday). In both cases they had a lucky escape.
Several natural, explosives and human-triggered avalanches have been reported to size 3. On Thursday afternoon, a backcountry skier was carried into trees by a size 2 slab. Preliminary details are: the avalanche was on a north aspect at 1920m in the Cerise Creek, Duffey Lake area. The crown depth was 70cm and the failure plane is believed to be the December 17th facet layer. The terrain was complex, including a cross-loaded feature above a gully. The skier did not survive his injuries. An adjacent slope avalanched naturally on the same layer at size 3.
Reports of natural large avalanches up to size 3 have occurred throughout the South Columbias. Continued reports of rider triggered avalanches up to size 1.5, and natural cornice failures triggering slopes below up to size 2.5. The focus is on elevations between 1300-2100m, and mainly on North-South aspects. This avalanche cycle indicates that the December 24th surface hoar and the mid-December surface hoar layers have reached the tipping point and are producing large slab avalanches. Check out the Forecasters Blog to see an updated avi picture. It clearly indicates how touchy the surface hoar layer is on convexities and low angle terrain.
Numerous avalanches have been reported recently.  The majority involve instabilities within the new storm snow ranging from 20 - 40 cm in depth.  On Thursday a skier remote triggered a size 2 avalanche at treeline from 20 meters away.  The avalanche failed on the mid December surface hoar with a crown ranging from 20 -100 cm in depth.
Numerous avalanches from size 1 - 2 have been observed at all 3 elevation bands (BTL, TL, ALP), with failures occurring within the recent storm snow.  Interesting to note that a size 3 was observed below treeline in the region yesterday, I suspect the mid December Surface Hoar was to blame.
An operation in the North end of the region saw a natural avalanche cycle up to size 3.5 on Wednesday. Additionally naturals up to size 1.5 were reported in the Southern sections. There was also a skier remote avalanche that was triggered from 25m away. This failed on the December 24th surface hoar layer. Where this layer exists is quite touchy and has wide propagation propensity.
No new avalanches have been reported. Glide cracks have been opening up on steep features.
Natural and remotely triggered avalanches up to size 2.0 were reported to be observed on Thursday. Remotely triggered and ski cut avalanches up to size 1.5 were released on Friday.
Skiers remotely triggered a size 2.0 slide from 10 metres away, that was 60 cm deep, 70 metres wide, and 75 metres in length. Natural avalanche activity reported today was limited to a natural wind slab release size 2.5 from an North-East aspect. We continue to get reports of old activity that occurred during the recent storm.
Numerous Size 1-2 slab avalanches (both natural and human triggered) have been reported in the past 2 days.
No new avalanches were reported in the past 24 hours. Several natural, explosives and human-triggered avalanches were been reported friday to size 3. On Thursday afternoon, a backcountry skier was carried into trees by a size 2 slab. Preliminary details are: the avalanche was on a north aspect at 1920m in the Cerise Creek, Duffey Lake area. The crown depth was 70cm and the failure plane is believed to be the December 17th facet layer. The terrain was complex, including a cross-loaded feature above a gully. The skier did not survive his injuries. An adjacent slope avalanched naturally on the same layer at size 3.
Wind slabs and cornice releases dominated recent avalanche observations. Size 2 natural slab activity triggered by cornice fall and numerous skier-triggered size 1 slabs reported in the northern part of the region.Numerous natural size 2 slabs reported in the Skeena area.
No new observations from this region.
Reports of natural avalanches are getting less frequent, but reports of remotely triggered and easily triggered avalanches have increased. The average size of reported avalanches has dropped closer to 2.0 from the recent observations of 3.0  I think this trend of slight improvement is short-lived. The recent natural avalanche cycle produced natural and human triggered avalanches up to size 3.0. These occurred on all aspects above 1700m with wide propagations, and crown depths up to 80cms. Many of these are failing on the mid-December surface hoar, mostly on north through east aspects from 1500m to the peaks. A skier remotely triggered an avalanche from 50m away and in many places shooting cracks and whumphing are further indicators of a very touchy, unstable snowpack.
Many small natural avalanches confined to the new snow have been reported from the region.  While important to note, the big story is the continued activity on the mid December surface hoar/facet/crust layer.  The bottom line is that this layer continues to be very sensitive to skiers & sledders.  There are numerous reports coming in of remote triggering, that is, people triggering avalanches from far away.  It's also significant that avalanches failing on this layer are being reported in areas we sometimes deem as "safe."  Both natural and human triggered avalanches continue to be in issue on treed slopes.
Skiers continue to remote trigger avalanches throughout the region.  A few folks have been caught in avalanches too recently.  Not surprisingly, explosive control work continues to trigger large avalanches to size 3.
Numerous avalanches from size 1 - 2 have been observed at all 3 elevation bands (BTL, TL, ALP), with failures occurring within the recent storm snow in the last 72 hours.  Interesting to note that a size 3 was observed below treeline in the region Thursday, I suspect the mid December Surface Hoar was to blame.
Many small natural avalanches confined to the new snow have been reported from the region.  While important to note, the bigger story is the continued activity on the mid december surface hoar/facet/crust layer.  The bottom line is that this layer continues to be reactive to skiers & sledders.  It's also significant that avalanches failing on this layer are being reported in areas we sometimes deem as "safe,"  a large load at treeline yesterday produced a size 3 avalanche (big enough to bury/destroy a car) that ran fast and far.
No new avalanches have been reported. Glide cracks have been opening up on steep features.
Explosive work in the region produced significant results to size 3.5. Saturday.  A cycle reportedly occurred on Saturday with many paths running naturally to size 3 at treeline & above, failing on the mid-december surface hoar/facet/crust combo.
The recent cycle of natural avalanche activity appears to have ended on Saturday. There may still be some natural cornice falls. We continue to get reports of remotely triggered slides from snowcats, helicopters, and skiers/riders as they move through terrain adjacent to avalanche paths. Some of these avalanches have had very wide propagations and have crossed terrain boundaries that would usually contain them.
Skiers remotely triggered a size 2.0 slide from 10 metres away, that was 60 cm deep, 70 metres wide, and 75 metres in length. Natural avalanche activity reported today was limited to a natural wind slab release size 2.5 from a North-East aspect. We continue to get reports of old activity that occurred during the recent storm.
In the past 24 hours explosives testing in the region produced numerous slab avalanches up to size 2.5 (one of which stepped down to the october crust on a steep, unsupported feature in the alpine. There was also a size 2.5 skier remote (triggered from a distance) avalanche near Pemberton at the 1600m elevation. This avalanche was about 125cm deep and is thought to have ran on the rain crust mentioned in the Snowpack Observations column.
No new avalanches were reported in the past 24 hours.
Reports of natural avalanches are getting less frequent, but reports of remotely triggered and easily triggered avalanches have increased. The average size of reported avalanches has dropped closer to 2.0 from the recent observations of 3.0. Many of these are failing on the mid-December surface hoar, mostly on north through east aspects from 1500m to the peaks. A skier remotely triggered an avalanche from 50m away and in many places shooting cracks and whumphing are further indicators of a very touchy, unstable snowpack. Explosive control is producing avalanches up to size 2.5 on all aspects at 2000 metres failing on the mid-december surface hoar.
Many small natural avalanches confined to the new snow have been reported from the region.  While important to note, the bigger story is the continued activity on the mid-December surface hoar/facet/crust layer.  Remote triggering (setting off avalanches from afar) continues to be reported.  The bottom line is that this layer is still sensitive to the weight of a skier or sledder.  It's also significant that avalanches failing on this layer are being reported in areas users often consider safe, such as moderately angled slopes near treeline.  Large loads produced avalanches to size 3 (big enough to bury/destroy a car) in the region Saturday.
A few natural size 1-1.5 windslabs were observed in the last 24 hours near Stewart.A natural size 1.5 was observed below treeline near Terrace.
No new observations from this region.
Storm snow avalanche activity has greatly diminished.  Continued NW winds are driving wind slab formation in exposed areas.  A size 2.5 avalanche was reported from the region on a steep unsupported SE facing slope New Years Eve.  While activity on the surface hoar has slowed down, I'm still very suspect of this persistent weakness at all elevation bands.
Many small natural avalanches confined to the new snow have been reported from the region.  While important to note, the bigger story is the continued activity on the mid-December surface hoar/facet/crust layer.  Remote triggering (setting off avalanches from afar) continues to be reported.  The bottom line is that this layer is still sensitive to the weight of a skier or sledder.  It's also significant that avalanches failing on this layer are being reported in areas users often consider safe, such as moderately angled slopes near treeline.  Large loads produced avalanches to size 3 (big enough to bury/destroy a car) in the region Saturday.
Over the past 48hrs a large natural cycle up to size 3.5 occurred. These avalanches ran on all aspects, and was evidence of a widespread storm cycle. Most operations proceeded with full avalanche control missions using explosives. They reported numerous large avalanches size 2-3.5 on N-NE aspects. I suspect that human triggering is likely out there creating large, destructive avalanches that may not be survivable. I would also avoid slopes with cornices overhead. They provide a substantial trigger that will very likely initiate a slide on the slope below.
Minor sluffing occurred on steep solar aspects. Operations continue to hit suspect slopes with explosives, and have been successful triggering avalanches up to size 3.
No new avalanches have been reported. Glide cracks have been opening up on steep features.
No new avalanches have been reported. Yesterday skiers remotely triggered a size 2.0 slide from 10 metres away, that was 60 cm deep, 70 metres wide, and 75 metres in length.
Check out the Incident Report Database (under the Bulletins tab) for a report of a close call involving snowmobilers south of Squamish over the weekend.
Reports of avalanches are getting less frequent, but human triggering large avalanches associated with persistent weaknesses remains possible, including remote triggering. A skier recently remotely triggered an avalanche from 50m away and in many places shooting cracks and whumphing are further indicators of a very touchy, unstable snowpack.
Continued activity on the mid-December surface hoar/facet/crust layer has been reported. Avalanches that are failing on this layer are large-very large (sz 2-3.5). As the natural activity has somewhat tapered off, the sensitivity to skier, or sledder triggers are likely.  Remote triggering (setting off avalanches from afar) continues to be reported.    It's also significant that avalanches failing on this layer are being reported in areas users often consider safe, such as moderately angled slopes near treeline.
An avalanche cycle is underway in the Duffy Lake area and Southern Chilcotins, likely associated with mid-December persistent weaknesses and rapidly rising warm treeline temperatures.
A few natural size 1-1.5 windslabs were observed in the last 24 hours near Stewart.A natural size 1.5 was observed below treeline near Terrace.
High winds and poor visibility have limited observations for the last few days; however, no activity has been reported to us from this region recently. I suspect you could easily trigger a pocket of wind slab on exposed lee terrain and I'd still be nervous of triggering the mid-December surface hoar layer down around 70 cm in sheltered locations.
Two large (size 3) cornice-triggered avalanches occurred in the alpine on Sunday. One stepped down into lower facet layers producing a crown up to 2 m deep. Another cornice-triggered avalanche occurred on Monday on a north aspect in the alpine; this one did not pull out a slab on the slope below.
Several natural and human-triggered avalanches up to size 3 were reported from this region on Sunday. Avalanches initiated on a variety of aspects from 1800 to 2700 m, mostly on the surface hoar/facet/crust combo from mid-December. On Monday there was generally less activity, although several cornice releases were noted, including one size 3 on a NE aspect that pulled out the whole bowl and ran for 1500 m.
None.   Observed along highway corridor to Fraser
No new avalanches have been reported. Glide cracks have been opening up on steep features.
In the Selkirks continued avalanche activity is being reported. Many of the recent avalanches have occurred due to large triggers (cornice fall, explosive testing). Yesterday there was a size 2 sled triggered avalanche that occurred west of Revelstoke on a South aspect near 1800m. No injuries reported. The mid-December persistent weak layer is buried down 80-120cms and is still a layer of concern. Avalanches that are failing on this layer are large-very large (sz 2-3.5). As the natural activity has somewhat tapered off, the sensitivity to skier, or sledder triggers are likely.  Remote triggering (setting off avalanches from afar, with wide fractures) continues to be reported. I would also be suspicious of low angle terrain in the trees. It seems to be catching people by surprise.
One natural size 3 avalanche reported. This was at 2900m on a North aspect, and failed down to glacier ice. Explosive avalanche control missions on Monday reported one size 3 that was remotely triggered from 500m away. This was at 2800m on a NW aspect. Natural activity has tapered off, but I'd still be suspicious of the mid-December layer susceptible to rider triggers (especially sledders) please don't rule this out yet; especially with rising freezing levels and a bit of snow on it's way.
On Monday a skier triggered a size 2 slab avalanche in the Harvey Pass area. A wind slab from the ridgecrest was triggered, then stepped down 55cms to a weak surface hoar/ facet layer beneath the surface. Please visit our incident report database on our website for more details @ avalanche.ca.
Persistent slabs and wind slabs are primed for human-triggering and heavy loading from snow wind and rain will likely cause natural avalanches. Three separate serious incidents that are relevant for the Sea-to-Sky region occurred on Monday afternoon in the Duffey Lake and Southern Chilcotin areas of the South Coast Inland region. All of incident sites had similar terrain characteristics with north through east facing steep treeline features. Two of the avalanches likely involved the mid-December persistent weakness, while the third was reported to have released on basal facets in a shallow snowpack area with a 50-75cm depth. All of the avalanches resulted in serious injury and at least two of them were human-triggered.
Three separate serious incidents occurred on Monday afternoon in the Duffey Lake and Southern Chilcotin areas, all of which had similar terrain characteristics with north through east facing steep treeline features. Two of the avalanches likely involved the mid-December persistent weakness, while the third was reported to have released on basal facets in a shallow snowpack area with a 50-75cm depth. All of the avalanches resulted in serious injury and at least two of them were human-triggered.
A size 2 human-triggered avalanche occurred on Monday on a northwest aspect at 1700 m. The avalanche was triggered in wind slab; the fracture line was 30 cm deep. Several large cornice-triggered avalanches also occurred on Sunday and Monday. One stepped down into lower facet layers producing a crown up to 2 m deep.
Several natural and human-triggered avalanches up to size 3 were reported from this region on Sunday. Avalanches initiated on a variety of aspects from 1800 to 2700 m, mostly on the surface hoar/facet/crust combo from mid-December. On Monday there was generally less activity, although several cornice releases were noted, including one size 3 on a NE aspect that pulled out the whole bowl and ran for 1500 m.
There are two new reports of skiers remotely triggering avalanches running on the mid-December surface hoar. One was relatively small on a steep lee slope triggered from a ridge 10m away. The other was a 30-80cm thick Size 2 that was triggered by a cornice fall, which was remotely triggered from a skier 3m away on the ridge crest.
No natural activity has been reported. Explosive testing in the Lizard Range initiated a size 2 slab avalanche, observations limited.
A few natural size 1-1.5 windslabs were observed in the last 24 hours near Stewart.A natural size 1.5 was observed below treeline near Terrace.
High winds and poor visibility have limited observations for the last few days; however, no activity has been reported to us from this region recently. I suspect you could easily trigger a pocket of wind slab on exposed lee terrain and I'd still be nervous of triggering the mid-December surface hoar layer down around 70 cm in sheltered locations.
One size 2 Na observed on steep NE facing convex roll at TL.  Size 1 Na on N facing steep convex roll, soft (4F) wind slab.  Suspect both slid within the last 48hrs.
Most areas are below threshold depths for avalanches. Assuming there's unstable snow, avalanches large enough to bury or injure a person are probably only possible on open higher elevation slopes with smooth ground cover.
Reports from the Eastern part of the region saw numerous natural avalanches up to size 2.5 , on North aspects @2000m. Many of the recent avalanches have occurred due to large triggers (cornice fall, explosive testing). On Monday there was a size 2 sled triggered avalanche that occurred west of Revelstoke on a South aspect near 1800m. No injuries reported. The mid-December persistent weak layer is buried down 80-120cms and is still a layer of concern. Avalanches that are failing on this layer are large-very large (sz 2-3.5). As the natural activity has somewhat tapered off, the sensitivity to skier, or sledder triggers are likely.  Remote triggering (setting off avalanches from afar, with wide fractures) continues to be reported. I would also be suspicious of low angle terrain in the trees. It seems to be catching people by surprise.
Natural activity has tapered off, but I'd still be suspicious of the mid-December layer susceptible to rider triggers (especially sledders) please don't rule this out yet.
No natural activity has been reported. Two separate skier triggered avalanches were reported Tuesday from the Hartley Creek drainage. Both being slab avalanches size 1 on a NE aspect and the other on an East aspect, between 1850m-2150m. Both avalanches were reported as soft slabs failing on the mid-December layer. The reports did suggest the weak layer was the surface hoar/graupel interface, so I suspect it may have been the December 25th layer. No injuries reported.
Two separate skier triggered avalanches were reported Tuesday from the Hartley Creek drainage-Fernie. Both being slab avalanches size 1 on a NE aspect and the other on an East aspect, between 1850m-2150m. Both avalanches were reported as soft slabs failing on the mid-December layer. No injuries reported. On Monday a skier triggered a size 2 slab avalanche in the Harvey Pass area. Initially a wind slab from the ridgecrest was triggered, then stepped down 55cms to a weak surface hoar/ facet layer beneath the surface. Please visit our incident report database on our website for more details @ avalanche.ca.
A large natural avalanche cycle is underway and wind and storm slabs, as well as deeply buried persistent weaknesses will remain sensitive to human triggers after the storm dissipates. Three separate serious incidents that are relevant for the Sea-to-Sky region occurred on Monday afternoon in the Duffey Lake and Southern Chilcotin areas of the South Coast Inland region. All of incident sites had similar terrain characteristics with north through east facing steep treeline features. Two of the avalanches likely involved the mid-December persistent weakness, while the third was reported to have released on basal facets in a shallow snowpack area with a 50-75cm depth. All of the avalanches resulted in serious injury and at least two of them were human-triggered.
A large widespread natural avalanche cycle is underway, but will probably taper off as the storm dissipates late Thursday, however fresh storm and wind slabs, as well as deeply buried persistent slabs will remain sensitive to human triggers. Three separate serious incidents occurred on Monday afternoon in the Duffey Lake and Southern Chilcotin areas, all of which had similar terrain characteristics with north through east facing steep treeline features. Two of the avalanches likely involved the mid-December persistent weakness, while the third was reported to have released on basal facets in a shallow snowpack area with a 50-75cm depth. All of the avalanches resulted in serious injury and at least two of them were human-triggered.
Natural avalanches up to size 3 have been reported during the recent storm, mostly on northeast aspects. Poor visibility and a lack of observers has been hampering observations at higher elevations.
High winds and poor visibility have limited observations for the last few days; however, no activity has been reported to us from this region recently. I suspect you could easily trigger a pocket of wind slab on exposed lee terrain and I'd still be nervous of triggering the mid-December surface hoar layer down around 70 cm in sheltered locations.
A size 2 cornice release was reported from just south of this region on a north aspect around 2000m from Wednesday.
A size 2 cornice release was reported from a north aspect around 2000m from Wednesday. A size 1 slab avalanche was set off by a skier in a small pocket of wind slab at treeline on a northwest aspect. Several relatively harmless (size 1) loose snow avalanches were reported from below treeline elevations. I suspect additional avalanche activity may have occurred, however, poor visibility has limited field observations today.
There are two recent reports of skiers remotely triggering avalanches running on the mid-December surface hoar. One was relatively small on a steep lee slope triggered from a ridge 10m away. The other was a 30-80cm thick Size 2 that was triggered by a cornice fall, which was remotely triggered from a skier 3m away on the ridge crest.
Old crowns were observed on S facing frequent flyers up to size 1.5 likely from the N wind event earlier in the week
Most areas are below threshold depths for avalanches. Assuming there's unstable snow, avalanches large enough to bury or injure a person are probably only possible on open higher elevation slopes with smooth ground cover.
One large natural slab avalanche was reported. This was a size 2.5 that occurred on a East aspect, at 2500m. The crown was 100cms in depth, 100m wide, and ran 200m down slope. Natural activity has tapered off, I'd still be suspicious of the mid-December layer susceptible to rider triggers (especially sledders) creating large avalanches. Please don't rule this out yet.
Mt. Fernie saw a natural size 2 avalanche today. It occurred on a SE-E aspect at 1950m. The depth of the crown was 30-50cms, the width was 100m, and it ran 500m. Two separate skier triggered avalanches were reported Tuesday from the Hartley Creek drainage. Both being slab avalanches size 1 on a NE aspect and the other on an East aspect, between 1850m-2150m. Both avalanches were reported as soft slabs failing on the mid-December layer. The reports did suggest the weak layer was the surface hoar/graupel interface, so I suspect it may have been the December 25th layer. No injuries reported.
A natural size 2 avalanche was reported on Mt. Fernie today at 1950m. The crown depth was 30-50cms, the width was 100m, and the running length was 500m. Two separate skier triggered avalanches were reported Tuesday from the Hartley Creek drainage. Both being slab avalanches size 1 on a NE aspect and the other on an East aspect, between 1850m-2150m. Both avalanches were reported as soft slabs failing on the mid-December layer. No injuries reported. On Monday a skier triggered a size 2 slab avalanche in the Harvey Pass area. Initially a wind slab from the ridgecrest was triggered, then stepped down 55cms to a weak surface hoar/ facet layer beneath the surface. Explosive control testing produced a size 1.5 slab avalanche on a NW aspect at 1900m. Please visit our incident report database on our website for more details @ avalanche.ca.
Widespread natural avalanche activity up to Size 3 was reported on Wednesday. Fresh storm and wind slabs, as well as deeply buried persistent slabs remain sensitive to human triggers.
Widespread natural avalanche activity up to Size 3 was reported on Wednesday. Fresh storm and wind slabs, as well as deeply buried persistent slabs remain sensitive to human triggers.
A natural avalanche cycle up to size 3 occurred on Wednesday affecting all aspects and all elevations. Along Bear Pass, 90% of the avalanche paths were reported to have run.
A natural avalanche cycle up to size 2 was reported from the region affecting all aspects. Avalanches were initiating in the storm snow.
There have been a few reports of natural cornice falls landing on slopes and entraining enough snow to get to size 2.5.  The interesting thing here is that these cornice falls did not propagate wide releases on buried persistent weak layers. These slopes may have already released from natural or human triggers. I suspect that there was a natural avalanche cycle Wednesday night or early Thursday morning that has not been reported due to poor visibility and travel conditions.
There were reports of natural avalanches heard running during poor visibility on Thursday. These avalanches were estimated to be windslabs that were overloaded by transported snow, and believed to be up to size 2.5.
Recent activity on the mid-December surface hoar includes a snowcat remotely triggering a 70cm deep Size 2 slab avalanche from 10m away on a log-haul landing in a cutblock. Recent storm snow overlying a crust is also highly reactive to human triggers with slope-cuts producing numerous loose snow and 10-30cm thick slab avalanches up to Size 1.5.
Thursday morning a large natural cycle was reported in the Rogers Pass area. These were large avalanches up to size 3.5 running to the end of run out zones and into creeks. Outside of the Rogers Pass area several natural avalanches occurred around 2400m on S-W aspects. Also to note a natural cornice release triggered a size 2 slab on the slope below. The mid-December persistent weak layer is buried down 80-120cms and is still a layer of concern. Avalanches that are failing on this layer are large-very large (sz 2-3.5). As the natural activity has somewhat tapered off, the sensitivity to skier, or sledder triggers are likely.
Widespread natural avalanche activity up to Size 3 was reported on Wednesday. Fresh storm and wind slabs, as well as deeply buried persistent slabs remain sensitive to human triggers.
Widespread natural avalanche activity up to Size 3 was reported throughout the week. Fresh storm and wind slabs, as well as deeply buried persistent slabs remain sensitive to human triggers.
A skier-triggered avalanche near Nelson was reported from Thursday, running on wind slab over a crust. The avalanche was a size 2 and occurred on a north aspect, 40deg slope at 2125 m. The crown was 20-30 cm deep and the slide ran for 300-350 m. Recent activity on the mid-December surface hoar includes a snowcat remotely triggering a 70cm deep Size 2 slab avalanche from 10m away on a log-haul landing in a cutblock. Recent storm snow overlying a crust is also highly reactive to human triggers with slope-cuts producing numerous loose snow and 10-30cm thick slab avalanches up to Size 1.5.
Explosives control along the highway corridor in the Selkirks has been producing very large avalanches up to size 4.0. Some smaller natural avalanches releasing in the recent wind transported snow have been reported up to size 2.0. Reports have been limited due to poor visibility and travel conditions.
With the warm temperatures on thursday, Mt. Fernie saw a natural size 2 avalanche. It occurred on a SE-E aspect at 1950m. The depth of the crown was 30-50cms, the width was 100m, and it ran 500m.
No new reports from this region. I suspect that the poor visibility and travel conditions have limited observers ability to report. Explosives testing to the south of this region has produced very large avalanches releasing in the mid-december surface hoar layer.
Natural avalanches up to size 3.5 have been reported in the Selkirks. Explosive releases up to size 3.0 from the Monashees. One very large explosive released avalanche was reported from the highway corridor in the Selkirks at size 4.0
Some explosive and skier controlled avalanches up to size 1.5. Observations have been limited due to poor visibility and travel conditions.
A size 2 natural was reported from the Sparwood area yesterday on a northeast aspect at 1910m. A natural size 2 avalanche was reported on Mt. Fernie yesterday at 1950m. The crown depth was 30-50cms, the width was 100m, and the running length was 500m. There were also a few relevant skier-triggered avalanches up to size 2 during the past week at least one of which ran on the weak mid-december surface hoar/facet interface.Please visit our incident report database or our regional discussion forums on our website for more details.
Several relatively harmless (size 1) human-triggered avalanches were reported to have occurred in the storm snow at treeline elevations on Thursday. On Wednesday, a natural avalanche cycle up to size 3 occurred affecting all aspects and all elevations. Along Bear Pass, 90% of the avalanche paths were reported to have run.
A natural avalanche cycle up to size 2 was reported from the region on Wednesday affecting all aspects.
Most areas are below threshold depths for avalanches. Assuming there's unstable snow, avalanches large enough to bury or injure a person are probably only possible on open higher elevation slopes with smooth ground cover.
There have been no new avalanches reported in the past 48 hours.
Size 2 natural and human-triggered slab avalanches were reported in the region throughout the week. Size 1.5 loose snow avalanches were reported in the Elkford area on Saturday.Please visit our incident report database or our regional discussion forums on our website for more details.
There was a recent size 2 natural reported on a north facing moraine feature at 1900m. Please send us your observations (professional or recreational) to forecaster@avalache.ca.
No new avalanche activity reported.
Most areas are below threshold depths for avalanches. Assuming there's unstable snow, avalanches large enough to bury or injure a person are probably only possible on open higher elevation slopes with smooth ground cover.
The new snow has been sluffing in steep terrain & a few natural avalanches to size 2.5 involving the new snow (likely wind affected) have been reported on almost all aspects at and above treeline.
A few natural avalanches in the alpine to size 1.5 were reported from the region Friday.  A skier was purportedly killed in an avalanche in the Molar area of the Dogtooth range near Golden on Friday, no details have been confirmed as of the writing of this forecast.
A skier-triggered avalanche near Nelson was reported from Thursday, running on wind slab over a crust. The avalanche was a size 2 and occurred on a north aspect, 40deg slope at 2125 m. The crown was 20-30 cm deep and the slide ran for 300-350 m. Recent activity on the mid-December surface hoar includes a snowcat remotely triggering a 70cm deep Size 2 slab avalanche from 10m away on a log-haul landing in a cutblock. Recent storm snow overlying a crust is also highly reactive to human triggers with slope-cuts producing numerous loose snow and 10-30cm thick slab avalanches up to Size 1.5.  Continued whoomphing reported.
A few naturals and explosive controlled avalanches have been reported up to about size 2.5 from the Ningunsaw and further north areas along the highway. A couple of size 2.0 avalanches that slid during the last storm were also reported. There was a wide spread natural cycle reported to have occurred during the last storm.
No new avalanche reports from this region.
A natural cornice failure from Friday on an east aspect at 2600 metres caused an avalanche size 2.5
Some sluffing from steep terrain at treeline.
A few different natural avalanches involving windloaded pockets were reported from the alpine yesterday.  Avalanches averaged size 2, featuring crowns 30 - 40 cm in depth.
A skier was killed in a size 3 avalanche in the Molar area of the Dogtooth range near Golden on Friday.  The 4th skiers on the slope triggered the slide.  On Saturday a skier triggered a size 3 avalanche in the alpine, the crown averaged 100cm in depth & the avalanche was reported to have run full path.  The group had been skiing in the area all day without result until the accident happened.
There have been no new avalanches to report in the last 48 hours.
Widespread avalanche activity along the highway corridors. Size was limited due to storm and avalanche cycle earlier in the week. Size 4.0 natural on Mt Rainey ran to valley bottom adjacent to Stewart Town site. Widespread natural activity in the Shames area, possibly up to size 3.0 in the "Valley of Doom". Due to poor visibility we do not have any observations from alpine terrain.
No new avalanche reports from this region. The forecast precipitation was confined to the near coastal areas around Terrace. I expect that the southwest part of this region did experience a natural avalanche cycle.
A skier-triggered avalanche near Nelson was reported from Thursday, running on wind slab over a crust. The avalanche was a size 2 and occurred on a north aspect, 40deg slope at 2125 m. The crown was 20-30 cm deep and the slide ran for 300-350 m. Recent activity on the mid-December surface hoar includes a snowcat remotely triggering a 70cm deep Size 2 slab avalanche from 10m away on a log-haul landing in a cutblock. Recent storm snow overlying a crust is also highly reactive to human triggers with slope-cuts producing numerous loose snow and 10-30cm thick slab avalanches up to Size 1.5.  Continued whoomphing reported.
Some observations of easy to trigger wetslabs 20 cm in depth came in this morning.  This is likely a thing of the past as the crust continues to gain strength with continued rain fall to ridge top.
No new avalanche activity reported.
No new avalanche activity reported.
No new avalanche observations have been reported.
There have been no new avalanches reported in the past 48 hours.
A sled-triggered size 3 slab avalanche was reported from the Flathead/ Lodgepole area on saturday. The slide was 75cm deep and 100m wide and occurred on a northeast aspect at the 2100m elevation. Size 1.5 loose snow avalanches were reported in the Elkford area on Saturday.Please visit our incident report database (under bulletins) on our website for more details.
Widespread sluffing of the new snow to size 1 was reported Sunday.  In most of the region only 10 - 15 cm of snow was involved which makes this a manageable avalanche problem.  Two large natural avalanches were reported in the North of the region, but details are sparse at this time.  Wind slab activity has really slowed down over the weekend.
A skier was killed in a size 3 avalanche in the Molar area of the Dogtooth range near Golden on Friday.  The 4th skiers on the slope triggered the slide.  On Saturday a skier triggered a size 3 avalanche in the alpine, the crown averaged 100cm in depth & the avalanche was reported to have run full path.  The group had been skiing in the area all day without result until the accident happened.  Avalanche activity on Sunday was confined to operational explosive use & produced avalanches to Size 2 on high elevation NE facing slopes.
A natural avalanche cycle occurred to size 2 on steep slopes on all aspects in response to the new snow and rain on Sunday and Monday. Reports indicate activity was isolated to the dense new snow. There were no reports of activity stepping down to any of the lower weak layers in the snowpack.
No avalanches have been reported recently from this region.
A size 1.5 skier accidental was reported Sunday from a thin snowpack zone where the total HS is around 100 cm.  The skier triggered the avalanche on the mid December surface hoar (SH) layer.  The SH was up to 15mm in size & very well preserved.  All other observations were limited to sluffing in steep terrain.
There have been no recent avalanches reported.
Widespread avalanche activity along the highway corridors during Saturday night and Sunday morning. Size was limited due to storm and avalanche cycle earlier in the week. Size 4.0 natural on Mt Rainey ran to valley bottom adjacent to Stewart Town site on Sunday morning. Widespread natural activity in the Shames area, possibly up to size 3.0 in the "Valley of Doom". Due to poor visibility we do not have any observations from alpine terrain.
Reports of natural avalanches up to size 2.5 from northerly aspects. I suspect windslab releases from snow transported by the recent storm.
No new avalanche activity reported due to limited visibility and travel conditions.
A few naturals up to size 2.5 have been reported from the Northern Selkirks. Explosive control returned limited results. Some sluffing reported in steep terrain.
No recent avalanche activity reported.
A sled-triggered size 3 slab avalanche was reported from the Flathead/ Lodgepole area on Saturday. The slide was 75cm deep and 100m wide and occurred on a northeast aspect at the 2100m elevation.Size 1.5 loose snow avalanches were reported in the Elkford area on Saturday.Please visit our incident report database (under bulletins) on our website for more details.
No recent avalanche activity reported.
Recent observations include several natural storm and wind slab avalanches up to Size 3 in response to moderate precipitation, rising freezing levels and strong winds on Monday. Storm and wind slabs were also sensitive to human triggers on open unsupported slopes.
A skier was killed in a Size 3 avalanche in the Dogtooth range near Golden on Friday.  The 4th skier on the slope triggered the slide.  On Saturday a skier triggered another Size 3 persistent slab avalanche in the Quartz Creek alpine, the crown averaged 100cm in depth & the avalanche was reported to have run full path.  The group had been skiing in the area all day without result until the avalanche happened.  Avalanche activity on Sunday was confined to operational explosive use & produced avalanches to Size 2 on high elevation NE facing slopes.
Ski cuts and explosive testing near Fernie resulted in slab avalanches up to size 2 on mainly north and northeast aspects above 1800 m running on a crust buried around  40 cm.
No reports of new avalanches.
Several small skier controlled avalanches in 35 degree terrain failing down about 20 cm.
A few small skier controlled and skier accidental avalanches size 1.0 in the Monashee Range. One report of a large size 2.5 natural avalanche that released on the mid-december surface hoar layer on a north aspect at about 2100 metres. It has been almost a week since we have heard of any activity on this layer in this region. There was quite a bit of activity in the recent storm snow in the Selkirks on Monday up to size 2.5 naturals in the Selkirks, and up to size 3.0 naturals in the Rogers Pass.
Generally limited new avalanche activity reported except for isolated natural cornice triggered wind slab and loose snow avalanches up to Size 2 in steep alpine terrain. Low density surface snow is sluffing readily.
Small loose snow avalanches were reported from the region on Tuesday in the new snow. A sled-triggered size 3 slab avalanche was reported from the Flathead/ Lodgepole area on Saturday. The slide was 75cm deep and 100m wide and occurred on a northeast aspect at the 2100m elevation.Size 1.5 loose snow avalanches were reported in the Elkford area on Saturday.
There were reports of two skier-triggered avalanches near Whistler that went on the recent storm snow interface down around 60 cm, one from Monday and one from Tuesday. Both were size 2 and released on a NE aspect around 2000 m. The event on Tuesday is a good reminder that the storm slab instability can stay reactive for some time after the end of the storm. There have been no recent reports of activity stepping down to any of the lower weak layers in the snowpack.
No avalanches have been reported recently from this region.
A couple of loose snow avalanches up to size 2.0 from very steep terrain at higher elevations have been reported. There was one very large avalanche triggered by a large explosive charge above the highway and rail corridor; the avalanche released down to the ground.
Na size 2.5 on highway from 120108 PM.  East Aspect.  No new avalanches observed today.
No recent avalanches have been observed or reported. Lower elevation surface snow may become loose and cohesionless with warm temperatures and direct sun-exposure creating the potential for small wet loose snow sluffs on steep south facing slopes.
Recent observations include several natural small wind slab avalanches releasing from pockets below cliffs and gully walls, as well as a small skier-triggered wind slab avalanche on a cross-loaded feature. Operational explosive control produced slabs avalanches up to Size 2.5 on north and east facing alpine slopes.
A skier was killed in a Size 3 avalanche in the Dogtooth range near Golden on Friday.  The 4th skier on the slope triggered the slide.  On Saturday a skier triggered another Size 3 persistent slab avalanche in the Quartz Creek alpine, the crown averaged 100cm in depth & the avalanche was reported to have run full path.  The group had been skiing in the area all day without result until the avalanche happened.  Avalanche activity on Sunday was confined to operational explosive use & produced avalanches to Size 2 on high elevation NE facing slopes.
There were reports of two skier-triggered avalanches near Whistler that went on the recent storm snow interface down around 60 cm, one from Monday and one from Tuesday. Both were size 2 and released on a NE aspect around 2000 m. There have been no recent reports of activity stepping down to any of the lower weak layers in the snowpack.
No avalanches have been reported recently from this region.
1 size 3 natural was reported in the high alpine in the Burnie Glacier area. There was also a size 2 reported in the same area at treeline. Both of these avalanches were triggered by natural cornice fall.
None, however visibility was limited and we confined ourselves to low angle terrain due to highway closure.
Recent observations include a slope-cut Size 1.5 20-40cm thick slab avalanche that ran on the mid-December persistent weakness where it was found to be facets on a very steep shallow rocky unsupported roll. Other reports include a few small natural avalanches from recent wind loading in cross-loaded treeline features, and skiers hucking pillows and cliffs on open slopes below treeline were triggering small 20-30cm thick soft slabs suspected to involve surface hoar buried early January. Finally, low density surface snow is sluffing readily in steep terrain.
Some size 1.5- size 2 natural slab avalanches failing from recent wind loading in the souther part of the region.Widespread explosive-controlled size 4-4.5 activity in the Bear Pass area on tuesday.
A few size 1.5-2 windslab avalanches occurring in the alpine. Some failing with cornice fall.
On Wednesday, explosive testing produced only small avalanches, approximately 10 cm deep confined to the recent storm snow. There was an avalanche cycle on mainly northeast aspects above 1800 m running on a crust buried around 40 cm during the storm at the beginning of the week.
Numerous size 2 -2.5  naturals observed over the last few days (almost all over 2000m). The trend seems to be natural wind slabs from the last storm, often triggered by cornice fall.
One size 2.5 natural slab avalanche occurred in the Elk Valley on a NE aspect at around 2200m on Tuesday. The fracture depth was 30-40 cm. Additionally, small loose snow avalanches were also reported from the region on Tuesday in the new snow. A sled-triggered size 3 slab avalanche was reported from the Flathead/ Lodgepole area on Saturday. The slide was 75cm deep and 100m wide and occurred on a northeast aspect at the 2100m elevation.
No recent avalanches have been observed or reported.
Recent observations include a few natural and human-triggered small wind slab avalanches up to 40cm thick in lee and cross-loaded terrain. A strong wind-event on Tuesday triggered several Size 2-3 slab avalanches up to 50cm thick in steep north through west facing alpine terrain.
Recent reports include numerous fresh natural wind slab avalanches up to Size 2.5 on southeast through northeast facing alpine slopes suspected to have occured during a wind-loading event on Tuesday. Cornices have also been failing and could be a heavy trigger for wind and persistent slabs on the slope below.
One size 2.5 natural slab avalanche occurred in the Elk Valley on a NE aspect at around 2200m on Tuesday. The fracture depth was 40-50 cm and it is believed to have run on the mid-December weak layer. Other slab avalanches were triggered nearby using explosives on Wednesday--these were also on NE aspect slopes and ran on the mid-December weak layer, pulling out to a depth of around 50 cm. A sled-triggered size 3 slab avalanche was reported from the Flathead/ Lodgepole area on Saturday. The slide was 75cm deep and 100m wide and occurred on a northeast aspect at the 2100m elevation. While not numerous, this smattering of avalanches involving deeper weak layers indicates persistent slab problems are still an issue in this region.
Two cornice releases were reported from Wednesday, both size 2 on a northeast aspect around 2000m. They only pulled out a very small slab on the slope below, indicating, while cornices are still unstable, the storm snow is gaining strength. Earlier in the week, there were two skier-triggered avalanches near Whistler that went on the recent storm snow interface down around 60 cm, one from Monday and one from Tuesday. Both were size 2 and released on a NE aspect around 2000 m. There have been no recent reports of activity stepping down to any of the lower weak layers in the snowpack.
Explosive control produced avalanches uo to size 3 in very steep north aspect terrain along the Coquihalla on Thursday, with some avalanches scouring to ground. This indicates to me that with the right load (eg. a cornice release or airborne sledders) hitting the right bit of terrain (steep, thin) you can still get a dangerous avalanche to release in this region.
No new avalanches to report from the last 24 hours.
Numerous size 2  naturals observed over the last few days (almost all over 2000m). The trend seems to be natural wind slabs from the last storm, often triggered by cornice fall.
Recent observations include isolated small human-triggered wind slab avalanches near ridgecrests. One Size 2 slab avalanche was triggered by wind-loading and stepped down mid-slope to possibly the early January interface down 30cm. Loose surface snow is also sluffing readily in steep terrain.
On Thursday, isolated ski cuts produced small avalanches of insufficient size to bury of injure a person. A small natural avalanche (size 1) was observed on a NE aspect at 1850 m in response to increasing winds. A cornice release also occurred, again on a NE aspect, but did not pull out a slab on the slope below. On Wednesday, explosive testing produced only small avalanches, approximately 10 cm deep confined to the recent storm snow. There was an avalanche cycle on mainly northeast aspects above 1800 m running on a crust buried around 40 cm during the storm at the beginning of the week.
1 size 3 natural was reported in the high alpine in the Burnie Glacier area on tuesday. There was also a size 2 reported in the same area at treeline. Both of these avalanches were triggered by natural cornice fall.
Several size 1's reported on wednesday in the top 10cm in wind affected areas. Expect significant wind slab activity with forecast snow and wind on thursday night.
No New avalanches observed today.
No recent avalanches have been observed or reported.
Recent activity seems to be isolated to WSL in alp and TL areas. Sc and Sa to 1.5. Reports of most recent HST settling into slab. small pockets triggering.
Last few days reports include numerous fresh natural wind slab avalanches up to Size 2.5 on southeast through northeast facing alpine slopes suspected to have occurred during a wind-loading event on Tuesday. Cornices have also been failing and could be a heavy trigger for wind and persistent slabs on the slope below. Bugaboos. Xh dropping cornices and mushrooms triggering deep instabilities to grnd in isolated features to sz 2.5
On Thursday, isolated ski cuts produced small avalanches of insufficient size to bury or injure a person. A small natural avalanche (size 1) was observed on a NE aspect at 1850 m in response to increasing winds. A cornice release also occurred, again on a NE aspect, but did not pull out a slab on the slope below. On Wednesday, explosive testing produced only small avalanches, approximately 10 cm deep confined to the recent storm snow. There was an avalanche cycle on mainly northeast aspects above 1800 m running on a crust buried around 40 cm during the storm at the beginning of the week.
One size 2.5 natural slab avalanche occurred in the Elk Valley on a NE aspect at around 2200m on Tuesday. The fracture depth was 40-50 cm and it is believed to have run on the mid-December weak layer. Other slab avalanches were triggered nearby using explosives on Wednesday--these were also on NE aspect slopes and ran on the mid-December weak layer, pulling out to a depth of around 50 cm. A sled-triggered size 3 slab avalanche was reported from the Flathead/ Lodgepole area on Saturday. The slide was 75cm deep and 100m wide and occurred on a northeast aspect at the 2100m elevation. While not numerous, this smattering of avalanches involving deeper weak layers indicates persistent slab problems are still an issue in this region.
No new avalanches have been reported.
Explosive control produced avalanches uo to size 3 in very steep north aspect terrain along the Coquihalla on Thursday, with some avalanches scouring to ground. This indicates to me that with the right load (eg. a cornice release or airborne sledders) hitting the right bit of terrain (steep, thin) you can still get a dangerous avalanche to release in this region.
1 size 2, and 1 size 3 were reported from the Bear Pass area. No other avalanches were reported from the region. This may speak more to limited observations due to weather, rather than actual conditions.
There have been no avalanches  observations reported from the region.
No new avalanches to report from the last 24 hours.
A few skier triggered size 1.5 avalanches were observed in the region in the last 24 hours. Cornice fall has also been observed in the region producing similar results.
On Thursday a vehicle triggered a size 2 slab avalanche on an E aspect at 2250m. The avalanche slid on a layer of facets buried 60-90cm below the surface. Other recent observations include isolated small human-triggered wind slab and loose snow avalanches near ridgecrests.
No recent avalanches were reported from the region. This may speak more to limited observations due to weather, rather than actual conditions.
There have been no avalanches observations reported from the region.
Explosives and ski control testing led to size 1-1.5 slabs in the storm snow. Observations of natural activity have been limited by poor visibility.
A smattering of avalanches involving persistent weak layers occurred throughout the region earlier in the week, on north-east aspects at treeline and above. No avalanche activity on these layers has been reported since Wednesday, however the possibility lingers.
No new avalanches have been reported.
No new avalanches have been reported, but I'd expect some sluffing of the dry new snow in steep terrain and possibly wind slab avalanches near ridge top to be occurring today.
No new avalanches to report from the last 24 hours.
Cornice failure has led to a natural avalanches recently.
Recent reports indicate a rider triggered avalanches to size 2 in wind loaded pockets.
Recent reports indicate a rider triggered size 2.5 cornice failure on a northeast aspect stepping down to ground in a thin snowpack area. This cornice pulled back to the ridge line. Other reports indicate natural avalanches running to size 2 on northerly aspects in the alpine.
Recent observations include isolated small human-triggered wind slab and loose snow avalanches near ridgecrests.
On Saturday, numerous avalanches were triggered by skiers and explosives. They failed in, or at the base of, the storm snow.
Sluff & loose snow avalanches to size 1 have been reported.  There are also limited reports of snow "cracking" which is indicative of wind slab formation.
There have been no recent avalanches observations reported from the region.
Sluffing is occurring in steep terrain, but no recent avalanche activity has been reported.
Recent reports indicate numerous natural and rider triggered avalanches to size 1.5 in wind loaded pockets. The hazard with these avalanches seems to be more the slick rain crust sliding layer than the avalanche itself. There have been several reports of people sliding long distances on this bed surface once it has been exposed.
Recent reports indicate loose snow avalanches triggering very easily in steep unsupported terrain on all aspects. Some these avalanches were stepping triggering some of the weaknesses deeper in the snowpack to size 2. On Friday a rider triggered size 2.5 cornice failure on a northeast aspect stepping down to ground in a thin snowpack area. This cornice pulled back to the ridge line.
Recent reports indicate loose natural and skier triggered sluffing to size 1.5 in steep terrain. In addition a report of a skier triggered avalanche size 2 on an east aspect in the alpine. Explosives testing in the southern portion of the region on Friday (size 3.5 on a north aspect at 2700m with 200cm fracture) indicates that avalanches are capable of stepping down to deep basal facets with heavy loads. Cornices have also been failing and could be a heavy trigger for wind and persistent slabs on the slope below.
On Sunday, constant natural sluffing was observed  in steep terrain as dry new snow quickly built up. Visibility was limited, but one natural slab was observed with a crown 50cm deep and 100m wide. Explosives and ski control testing led to size 1-1.5 slabs in, or at the base of, the storm snow on Saturday.
Skiers triggered slabs up to size 2 in the Coquihalla region on Saturday (incident reports here: http://www.avalanche.ca/cac/library/incident-report-database/view). In other parts of the region, storm snow was failing naturally and reacting easily to ski cuts. These results involved the storm snow and did not dig down to any deeper weaknesses.
Widespread Loose Snow avalanches aka "Power-Sluffs' have been reported from across the Monashees & Selkirks running to size 2.5.  An operator north of Revelstoke noted that there was some slab formation in the recent snow, but that appears to be an anomaly for the moment.
Recent reports indicate loose snow avalanches to size 1 triggering easily in steep unsupported terrain.
Skiers triggered small pockets of wind slab and heard some rumbling yesterday, but visibility remained poor for observations. A smattering of avalanches involving persistent weak layers occurred throughout the region earlier in the week, on north-east aspects at treeline and above.
The weekend's storm snow is settling into a slab with an average hand hardness of 4F.  Loose snow avalanches are stepping down and triggering slab avalanches to size 3 with crowns of 40 - 60 cm in depth.  Forecasted winds will likely exacerbate the problem as we head into the week.
Recent reports indicate numerous natural and rider triggered avalanches to size 1.5 in wind loaded pockets. The hazard with these avalanches seems to be more the slick rain crust sliding layer than the avalanche itself. There have been several reports of people sliding long distances on this bed surface once it has been exposed.
Reports from yesterday include a few reluctant slope cut Size 1 soft slabs on steep, convex, unsupported features. They had limited propagation and did not run far. Slope cuts on steep north facing convexities also triggered isolated stubborn buried wind slabs down 60cm with avalanches up to Size 1. Low density storm snow is sluffing readily in steep terrain with a natural cycle overnight Saturday. In some cases they're entraining considerable mass and reaching up to Size 2.
Recent reports indicate loose natural and skier triggered sluffing to size 1.5 in steep terrain. In addition a report of a skier triggered avalanche size 2 on an east aspect in the alpine. Explosives testing in the southern portion of the region on Friday (size 3.5 on a north aspect at 2700m with 200cm fracture) indicates that avalanches are capable of stepping down to deep basal facets with heavy loads. Cornices have also been failing and could be a heavy trigger for wind and persistent slabs on the slope below.
Several natural, skier- and explosives-triggered loose snow and soft slab avalanches in the size 1-2 range have been observed over the last few days in response to new snow loading.
We haven't had any reports of new avalanche activity.
On Saturday, numerous avalanches were triggered by skiers and explosives. A few small, skier-triggered avalanches were reported on Sunday. They all failed in, or at the base of, the storm snow.
Skiers triggered slabs up to size 2 in the Coquihalla region on Saturday (incident reports here: http://www.avalanche.ca/cac/library/incident-report-database/view). In other parts of the region, storm snow was failing naturally and reacting easily to ski cuts. These results involved the storm snow and did not dig down to any deeper weaknesses.
Sluffing continues to be an issue in step terrain.  In some locations the outflow winds have begun to redistribute the weekend storm snow into wind slabs.
Reports from yesterday include isolated Size 1 human triggered wind slab avalanche on a east-northeast facing alpine slope near the ridgecrest, generally sluggish and slow moving. Low density storm snow is sluffing readily in steep terrain with a natural cycle overnight Saturday. In some cases they're entraining considerable mass and reaching up to Size 2.
Several natural slab avalanches to size 2 were reported on S through SW facing slopes on Monday.
There have been no recent avalanches observations reported from the region.
During and immediately after the storm, numerous natural and rider triggered avalanches occurred up to size 1.5 in wind loaded pockets. The hazard with these avalanches seems to be more the slick rain crust sliding layer than the avalanche itself. There were several reports of people sliding long distances on this bed surface once it has been exposed.
On Saturday, numerous avalanches were triggered by skiers and explosives. A few small, skier-triggered avalanches were reported on Sunday and on Monday. They all failed in, or at the base of, the storm snow.
Natural loose snow avalanches were noted on Tuesday in the Coquihalla. Visibility was poor and no observations were made in the alpine. However, it did not appear that significant slab avalanche activity took place. Skiers triggered slabs up to size 2 in the Coquihalla region on Saturday (incident reports here: http://www.avalanche.ca/cac/library/incident-report-database/view).
The weekend's storm snow is settling into a soft slab with a F+ to 4F hand hardness.  The region is transitioning from a loose snow avalanche problem to a soft slab problem with avalanches to size 1.5.  If Tuesday's Fx winds verify (W to NW @ 50 km/h) in the Alp/TL, then I suspect the sizes will quickly jump up to size 2+.
Sluffing in steep terrain was reported on Tuesday. On Monday, an isolated Size 1 human triggered wind slab avalanche occurred on a east-northeast facing alpine slope near the ridgecrest, reported to be sluggish and slow moving.
Several natural slab avalanches to size 2 were reported on S through SW facing slopes on Monday.  Skiers were able to trigger small wind slabs at TL Monday too.
There have been no recent avalanches observations reported from the region.
One small & shallow slab avalanche was reported from the region Monday.  Reports indicate that skier triggered loose snow avalanches are still possible, but, loose snow avalanche activity has slowed way down.
Recent reports include a few reluctant slope cut size 1 soft slabs on steep, convex, unsupported features. They had limited propagation and did not run far. Low density storm snow is sluffing readily in steep terrain. In some cases they're entraining considerable mass and reaching up to size 2.
Recent reports indicate loose natural and skier triggered sluffing to size 1.5 in steep terrain. In addition, there have been a few skier triggered soft slabs to size 2. Explosives testing in the southern portion of the region on Friday (size 3.5 on a north aspect at 2700m with 200cm fracture) indicates that avalanches are capable of stepping down to deep basal facets with heavy loads. Cornices have also been failing and could be a heavy trigger for wind and persistent slabs on the slope below.
Fast, far-running loose snow avalanches to size 2 were triggered by skiers and explosives on Tuesday and rumblings (natural avalanches) were heard. Observations have been limited due to poor weather but I'd expect a natural avalanche cycle involving the storm snow occurred in steep ground, peaking during the most intense loading period on Tuesday.
Natural avalanche activity was likely to have peaked during the most rapid loading on Tuesday. Fast-running loose snow avalanches were reported. Observations have been limited by poor travel conditions.
During and immediately after the most recent storm, numerous natural and rider triggered avalanches occurred up to size 1.5 in wind loaded pockets. The hazard with these avalanches seems to be more the slick rain crust sliding layer than the avalanche itself. There were several reports of people sliding long distances on this bed surface once it has been exposed.
Skiers triggered wind slabs to size 2 on mostly easterly aspects on Tuesday. A couple of natural wind slabs up to size 2.5 were also reported. In terrain not so affected by the wind, natural and skier-triggered soft slabs and sluffs were observed on steep slopes and convex rolls.
On Wednesday, small (size 1) soft slabs could be skier-triggered in steep terrain. Loose snow avalanches could also be readily triggered.
Numerous slab avalanches both natural and human triggered to size 2 were reported from the region yesterday.  Outflow winds have created a wind slab problem, even below treeline.  These fresh slabs sit on the January 13 surface hoar/facet combo.  This structure is contributing to wide propagations and fast running slab avalanches to 50 cm in depth.
Ski cutting produced size 1 loose and occasional soft slab avalanches on Wednesday with minimal propagation. Widespread sluffing to size 1 was noted on Tuesday and Wednesday in the new snow on steep terrain.
A natural avalanche cycle to size 2.5 was reported on alpine slopes in the northern Purcells, failing in response to an overnight wind event. Skiers have been triggering soft slabs in steep terrain in the size 1-1 .5 range over the past few days, however many observers say that the snow remains mostly cohesionless due to the intense cold.
A few natural slab avalanches to size 2 were noted on lee features in the alpine Tuesday.
There have been no recent avalanches observations reported from the region.
No significant avalanche activity has been reported from the region recently.
Many natural loose snow avalanches were noted on Tuesday in the Coquihalla. Small soft slabs could be skier-triggered on Wednesday.
A natural avalanche cycle occurred on Tuesday and overnight Wednesday in response to rapid loading by intense snowfall. This was reported as widespread, with avalanches to size 3 pulling out up to 2m deep in storm snow. Skiers also triggered numerous loose snow and very soft slab avalanches which ran a long distance. Late in the day, explosives testing led to a size 3 slab. By Wednesday, explosives testing produced fewer results, with a couple of cornice failures pulling out slabs to size 2 on the slope below.
A widespread natural avalanche cycle occurred in the Elk Valley on Tuesday/ Tuesday night, with numerous slabs up to size 3 releasing in the alpine on mainly east-facing slopes. Initial reports suggest that these released up to 2m deep on wind-loaded slopes. South of the Crowsnest, a few size 1-2 slabs were reported.
Avalanche activity will ramp up significantly during the storm. Expect a widespread avalanche cycle during and immediately after heavy snowfall. Avalanches will have the potential to run fast and unusually far, due to the very low density nature of the existing upper snow and the slick sliding layer in the upper snowpack.
Ski cutting produced size 1 loose and occasional soft slab avalanches on Wednesday with minimal propagation. Widespread sluffing to size 1 was noted on Tuesday and Wednesday in the new snow on steep terrain.
Only sluffing in steep terrain was observed on Thursday. However, I anticipate avalanche activity will rapidly increase in response to heavy forecast snow amounts and warming temperatures.
Some natural and cornice triggered avalanches up to size 2.0 have been reported from slopes that were loaded by the recent strong NE winds.
No new reports of avalanches observed.
No significant avalanche activity has been reported from the region recently.
A natural cornice fall was reported as size 2.0 in the Monashees. Natural avalanches, skier controlled and natural cornice falls up to size 2.0 have been reported by operators in the Selkirks.
Several natural and human-triggered avalanches have been reported over the last few days. A wind event on Tuesday triggered slabs on exposed lee slopes. On Wednesday, skiers triggered size 1.5 slabs below treeline and observed natural and cornice-triggered events up to size2, mainly on north and east aspects in the alpine. Recent avalanches have mainly been running in, or at the base of, the storm snow.
Explosives testing triggered many size 1-3.5 slabs in the central Purcells. All of the observed avalanches failed within the storm snow, with the exception of a couple of avalanches started by large cornices dropping onto the slope. In these cases, one failed at ground/glacier ice and one on a facet layer.
A natural avalanche cycle occurred on Tuesday and overnight Wednesday in response to rapid loading by intense snowfall. This was reported as widespread, with avalanches to size 3 pulling out up to 2m deep in storm snow. Skiers also triggered numerous loose snow and very soft slab avalanches which ran a long distance. Late in the day, explosives testing led to a size 3 slab. By Wednesday, explosives testing produced fewer results, with a couple of cornice failures pulling out slabs to size 2 on the slope below. A skier reported triggering a size 2 slab on a convex roll at 1800m.
Skiers easily triggered size 1 slabs in both the Flathead and South of Crowsnest regions on Thursday. In the Flathead, these were running on a crust/facet/surface hoar combo below the storm snow (about 50-60cm deep). A skier remotely triggered a size 1 slab on a NE aspect at 2300m from 20m away. A widespread natural avalanche cycle occurred in the Elk Valley on Tuesday/ Tuesday night, with numerous slabs up to size 3 releasing in the alpine on mainly east-facing slopes. Initial reports suggest that these released up to 2m deep on wind-loaded slopes. South of the Crowsnest, a few size 1-2 slabs were reported during the storm.
Only loose snow activity was observed on Thursday. I anticipate a significant avalanche cycle will occur with heavy amounts of dense new snow expected to fall on existing cold, low density snow.
Recent observations include a few cornice failures and isolated skier-triggered wind slabs in the size 1-2 range. Explosives testing released storm slabs, with little in the way of recent deep releases. Avalanche activity slowed down towards the end of the week, but is expected to increase again during the weekend.
In the wake of Tuesday and Wednesday's storm, avalanches to size 3 were observed in the region. More recently, sluffing to size 1.5 has been the norm in steep terrain.Expect widespread wind and storm slab activity with forecast weather.
Skiers easily triggered size 1 slabs in both the Flathead and South of Crowsnest regions on Thursday. In the Flathead, these were running on a crust/facet/surface hoar combo below the storm snow (about 50-60cm deep). A skier remotely triggered a size 1 slab on a NE aspect at 2300m from 20m away. Expect significant storm and wind slab activity with Friday night/Saturday's forecast weather.
Some natural and cornice triggered avalanches up to size 2.5 have been reported from slopes that were loaded by the recent strong NE winds.
No new reports of avalanches observed.
There have been a couple of natural cornice falls and natural ice falls releasing slabs up to size 3.0. Cornices and Ice falling onto slopes below is a very large trigger. The interesting comment from this region is, that some of these very large triggers did not release slabs on the slopes below. Fast moving sluffs have also been reported from this region.
Natural cornice fall and slabs up to size 2 have been observed over the last two days. Skiers have also triggered size 1-2 soft slabs and loose snow avalanches, failing within, or at the base of, the recent storm snow. A skier remotely triggered a thin wind slab on an east aspect on Thursday in the Selkirks.
Ski-cut sluffs to size 1.5 were observed throughout the region on thursday. A few skier-accidental slabs to size 1.5 (30-50 cm crowns) were also observed in the Nelson area. Expect a spike in avalanche activity with Friday night/Saturday's forecast weather.
Only sluffing in steep terrain was observed on Thursday and Friday. However, I anticipate avalanche activity will rapidly increase in response to heavy forecast snow amounts and warming temperatures.
Loose snow activity was observed on Thursday. Observations on Friday were limited to Treeline and below and there were no reports of slab avalanches. If new snow amounts exceed 25 cm by Saturday, I anticipate a significant avalanche cycle will occur in this region.
Avalanche activity will ramp up significantly during the storm. Expect a widespread avalanche cycle during and immediately after heavy snowfall. The size of avalanches will depend somewhat on how much of the precipitation falls as snow and how much falls as rain. If we see significant accumulations of new snow, large avalanches will result, and have the potential to run far, due to the slick sliding layer in the upper snowpack.
Several natural and human-triggered avalanches have been reported over the last few days. A wind event on Tuesday triggered slabs on exposed lee slopes. On Wednesday, skiers triggered size 1.5 slabs below treeline and observed natural and cornice-triggered events up to size2, mainly on north and east aspects in the alpine. Recent avalanches have mainly been running in, or at the base of, the storm snow. Avalanche activity was slowing down by the end of the week, but will increase this weekend with the incoming storm.
Several small (size 1) skier-triggered slab avalanches were reported in exposed lee terrain (wind slabs) and in a band between 1700 and 1800 m (storm slabs) on steep terrain on a variety of aspects. Explosives were able to trigger slabs to size 2 in the most recent storm snow. Avalanches did not appear to be stepping down to lower layers.
Visibility has been limited, however, wet slides up to size 2 have been reported running on a thin layer of dry snow above a crust down 20-25 cm. Avalanche activity will likely continue in response to significant snowfall in the next few days.
An avalanche cycle up to size 2.5 was reported on Saturday. Both slab and loose snow activity was noted at all elevations.
Reports of widespread whumpfing at treeline and above on hard windslabs. Skier accidental reported to size 2.0 from a south aspect on a convex roll. Natural activity reported from the Bear Pass area in the highway corridor.
No new reports of avalanches observed.
I suspect that there has been widespread sluffing in steep terrain, and natural activity from wind loaded slabs in the alpine and at treeline. There have been a couple of natural cornice falls and natural ice falls releasing slabs up to size 3.0. Cornices and Ice falling onto slopes below is a very large trigger. The interesting comment from this region is, that some of these very large triggers did not release slabs on the slopes below. Fast moving sluffs have also been reported from this region.
Sluffing in steep terrain up to size 2.0 , and skier controlled slab avalanches to size 1.5 in the alpine were reported from Friday. I expect that the sluffing has increased in size due to the overnight storm. It looks like the temperatures have remained cool on Saturday, so the storm snow may not have slabbed up yet. Email forecaster@avalanche.ca with your observations.
On saturday a few explosive-controlled slab avalanches to size 2.5 were observed on lee alpine features.
No new avalanche observations to report. Avalanche activity can be expected in the wake of Saturday's weather.
Expect widespread avalanche activity in the wake of saturday's storm.
Recent observations include loose snow avalanches running in steep terrain and isolated skier-triggered wind slabs in the size 1-2 range.  Avalanche activity slowed down towards the end of the week, but is expected to increase again in the wake of Friday night/Saturday's storm.
On Saturday, a widespread cycle of small avalanches (size 1) occurred in the most recent storm snow. Loose and slab avalanche activity was reported, with crowns up to 30 cm deep on all aspects and at all elevations. Explosive testing was able to produce slab avalanches to size 2.
Current storm snow sluffing from steeper terrain features on Sunday. Avalanche activity will likely continue in response to significant snowfall in the next few days. Saturday wet slides up to size 2 were reported running on a thin layer of dry snow above a crust down 20-25 cm. Avalanche activity will likely continue in response to significant snowfall in the next few days.
Numerous natural avalanches from size 1 to size 2.5 were observed in the last 24hrs. Expect continued reactivity over the next few days.
Explosive-controlled wind slabs to size 1.5-2 were observed in the region in the past 24hrs.
Numerous explosive-controlled slab avalanches to size 2.5 were observed in alpine terrain in the last 24hrs.
A few size 2 naturals were reported from the region over the past 24hrs. We'd love to hear what you're seeing out there. Any observations can be sent to forecaster@avalanche.ca.
A natural size 2 avalanche occurred on a N aspect at 2000m below a cornice feature on shallow, rocky terrain. Natural small (size 1) avalanches occurred on wind loaded features above 1800m, while skier controlled touchy wind slabs were reactive between 1700-1800m.  Numerous size 1-2 explosive triggered avalanches were reported with wide propagation. With forecast snow and wind, we can expect to see a continued avalanche cycle.
Natural avalanche activity up to size 1.5 occurred on steep, rocky South facing aspects. An avalanche cycle up to size 2.5 was reported on Saturday. Both slab and loose snow activity was noted at all elevations.
Reports of widespread whumpfing at treeline and above on hard windslabs. Skier accidental reported to size 2.0 from a south aspect on a convex roll in the backcountry near Shames on Saturday.
No new reports of avalanches observed.
No new avalanches reported. Suspect due to limited visibility and travel on Saturday.
Widespread natural activity up to size 2.0 from both the Monashee and Selkirk. Explosive controlled avalanches up to size 4.0 in the Rogers Pass highway corridor. There were also some accidental and controlled sloughs and thin new snow slabs up to size 1.5 on various aspects and elevations throughout the region. When the slab consolidates I expect that it will continue to be reactive and easily triggered by light loads.
A skier remotely triggered a size 3 slab avalanche from ridgetop. This slide was at 2200m on a North-North East aspect and ran 400m in length. In the same tenure a size 2 skier remote was triggered. There were no involvements with these avalanches. This is a good indicator to be aware of the sensitivity in your local snowpack, and make observations while you travel. On Saturday, a widespread cycle of small avalanches (size 1) occurred in the most recent storm snow. Loose and slab avalanche activity was reported, with crowns up to 30 cm deep on all aspects and at all elevations. Explosive testing was able to produce slab avalanches to size 2. With forecast snow, wind and rising freezing levels the avalanche danger will be on the rise.
Natural activity is suspect, but poor visibility has limited observations. Explosive triggered, and skier triggered avalanches produced small size 1-2 avalanches on Monday. Current storm snow sluffing from steeper terrain features. Avalanche activity will likely continue in response to significant snowfall, strong winds, and rising freezing levels over the next few days.
The region saw a direct action avalanche cycle to size 2.5 Saturday & that activity continued into Sunday.  Avalanches have been reported on all aspects in the alpine & at treeline.  I expect natural avalanche activity to taper Monday, but the region is primed for human triggered avalanches.  Natural activity will pick back up Tuesday as the next pulse delivers monster winds out of the W/SW and 15 mm or so of precip.
Explosive work in the region Sunday produced avalanches to size 3.  The bulk of this activity was on slopes facing E and N.  Observers noted a widespread cycle in the storm snow affecting both the alpine & treeline elevation bands over the weekend on all aspects.
Evidence of natural avalanche activity occurred overnight during the storm. Explosive avalanche testing produced slab avalanches up to size 2 on NE and NW aspects. With forecast snow and wind, we can expect to see a continued avalanche cycle.
Minimal avalanche observations region wide today. Natural size 1 avalanches were observed from the Duffy,  with limited visibility.
Very little avalanche activity has been reported or observed recently.
There has been a lot of activity in the recent storm snow. Naturals up to size 3.0 and skier controlled and accidental avalanches up to size 1.5 in the Monashees and the Selkirks. No avalanches have been reported to have stepped down below the storm interface.
Some reports of explosive controlled avalanches up to size 2.0 along the highway corridors. These avalanches are not a good indicator of the problems that skiers and riders face in the backcountry. The load from the new storm may be enough to cause a widespread natural cycle.
Report of a size 2.0 natural slab avalanche on a northeast aspect at treeline in the Seaton area. The crown was 30-40 cm and propagated about 50 metres across a steep gully feature.
Some whumpfing reported from ridgetops and southerly aspects that have been wind pressed. Some naturals up to size 2.5 on north and east aspects in the alpine.
Sunday saw several natural small size 1-2 avalanches on all aspects, and explosive avalanche control produced size 1-2.5 on SE-SW aspects.  On Saturday in the Bonnington Range several avalanche incidents occurred. The first reported was remotely triggered by a skier, it produced a size 3 slab avalanche from ridgetop. This slide was at 2200m on a North-North East aspect and ran 400m in length. There was also a skier remote size 2 from the same group. There were no involvements with these avalanches. Another group of skiers had similar observations from this mountain range. They triggered a skier remote size 3 from 100m away, additionally a size 2 sympathetic occurred. The size 3 crown depth was 50-120cms, 200m wide, and ran 400m. Both avalanches initiated from 1800m on S-SE aspects. The suspect layer possibly being the Mid December surface hoar/facet layer. This is a good indicator to be aware of the sensitivity in your local snowpack, and make observations while you travel. With forecast snow, wind and rising freezing levels the avalanche danger will be on the rise.
A size 2 skier accidental avalanche was reported Sunday.  A cornice fall that triggered a size 1.5 avalanche was also reported.
No avalanches observed along highway corridor or in Fraser Taiya areas.
Natural activity is suspect, but poor visibility has limited observations. Explosive triggered, and skier triggered avalanches produced small size 1-2 avalanches on Monday. Current storm snow sluffing from steeper terrain features. Avalanche activity will likely continue in response to significant snowfall, strong winds, and rising freezing levels over the next few days.
A few cornice failures were reported yesterday, but they only produced small avalanches.  A skier accidentally triggered a slab avalanche on a NW facing 38° slope.  The avalanche went size 2 & was reported to have failed on the Jan 13th SH layer.
Very little avalanche activity has been reported or observed recently.
Explosive avalanche control have produced slab avalanches up to size 2, @1900m and above on W-N aspects. With forecast snow and wind, we can expect to see a continued avalanche cycle.
No avalanche observations reported today.
A couple of natural size 2.0 avalanches were reported on steep NE and SE aspects at and below treeline. Explosive control produced a low elevation avalanche size 2.0 on a south aspect, and a size 3.0 avalanche at 1250 metres on a south aspect. We are not sure what depth or sliding surface the size 3.0 released.
No reports of avalanches from the region.
Natural avalanches up to size 2.0 reported on east and southeast aspects in the alpine that released in the recent storm snow.
There were fewer avalanches reported from Mondays observations. The recent storm slab appears to be settling and bonding. I expect that new storm slab and windslab problems are developing with the current storm.
No new avalanche observations reported today. Sunday saw several natural small size 1-2 avalanches on all aspects, and explosive avalanche control produced size 1-2.5 on SE-SW aspects.  On Saturday in the Bonnington Range several avalanche incidents occurred. The first reported was remotely triggered by a skier, it produced a size 3 slab avalanche from ridgetop. This slide was at 2200m on a North-North East aspect and ran 400m in length. There was also a skier remote size 2 from the same group. There were no involvements with these avalanches. Another group of skiers had similar observations from this mountain range. They triggered a skier remote size 3 from 100m away, additionally a size 2 sympathetic occurred. The size 3 crown depth was 50-120cms, 200m wide, and ran 400m. Both avalanches initiated from 1800m on S-SE aspects. The suspect layer possibly being the Mid December surface hoar/facet layer. This is a good indicator to be aware of the sensitivity in your local snowpack, and make observations while you travel. With forecast snow, wind and rising freezing levels the avalanche danger will be on the rise.
Natural activity quieted right down on Monday.  There were a few skier triggered avalanches reported from the region, but they were on very specific features such as wind-loaded pockets and steep solar aspects.
Natural activity quieted right down on Tuesday & was limited to small avalanches out of steep, rocky unsupported terrain.
Evidence of old (week plus) Na cycle to size 2 on steep North facing convex rolls at treeline elevation.
Natural activity quieted right down on Tuesday, but I expect there will be plenty of action to report from Wednesday.
A couple of large natural avalanches in the alpine (to size 3) were reported on NE and SE- E aspects in the Dogtooth range Wednesday.  Smaller avalanches of the loose snow & soft slab variety (to size 1.5) were also reported running in the new/old snow interface.  Elsewhere in the region a natural avalanche that started in steep un-skiable terrain was observed.  All the reported avalanches were running fast and entraining snow as they ran down the slope.
Very little avalanche activity has been reported or observed recently.
No new avalanches reported from Tuesday due to poor visibility and travel conditions.
Some natural activity was reported up to size 2.0  I suspect that poor visibility and travel conditions limited reports from the field.
On Monday a skier accidentally triggered a slab avalanche on a NW facing 38° slope.  The avalanche went size 2 & was reported to have failed on the Jan 13th SH layer.  Control work produced many avalanches from size 1 - 2.5 on north through east facing slopes Wednesday.
Explosive avalanche control have produced slab avalanches up to size 2.
Debris observed from natural avalanches up to size 3.0. I suspect that there has been a widespread natural avalanche cycle.
No reports of avalanches from the region. I expect that there has been a natural cycle during the storm. We may not get many observations until the brief lull in the weather on Friday.
Avalanche activity will likely continue in response to significant snowfall and moderate to strong winds on Wednesday night
A recent size 2.5 natural was observed on an alpine feature in the Duffey Lake area on Wednesday. No other avalanches have been reported, most likely because of poor visibility.
On tuesday night several natural and explosives-controlled size 2 avalanches were observed in the region.On Saturday in the Bonnington Range several avalanche incidents occurred. The first reported was remotely triggered by a skier, it produced a size 3 slab avalanche from ridgetop. This slide was at 2200m on a North-North East aspect and ran 400m in length. There was also a skier remote size 2 from the same group. There were no involvements with these avalanches. Another group of skiers had similar observations from this mountain range. They triggered a skier remote size 3 from 100m away, additionally a size 2 sympathetic occurred. The size 3 crown depth was 50-120cms, 200m wide, and ran 400m. Both avalanches initiated from 1800m on S-SE aspects. The suspect layer possibly being the Mid December surface hoar/facet layer. I would normally not include observations from this far back; however, it points to the need to be aware of the variation in your local snowpack, and make observations while you travel.
No new observed. Surprising actually (to me - ilya). Lots of sublimation and cold limiting sfc slab development.
Avalanche activity will likely continue in response to Wednesday night's significant snowfall.
A widespread natural avalanche cycle occurred yesterday on all aspects at and above treeline.  There were several avalanches to size 2 and a few to size 2.5 & 3 on all aspects.
A couple of large natural avalanches in the alpine (to size 3) were reported on NE and SE- E aspects in the Dogtooth range Wednesday.  Smaller avalanches of the loose snow & soft slab variety (to size 1.5) were also reported running in the new/old snow interface.  Elsewhere in the region a natural avalanche that started in steep un-skiable terrain was observed.  All the reported avalanches were running fast and entraining snow as they ran down the slope.
On Monday a skier accidentally triggered a slab avalanche on a NW facing 38° slope.  The avalanche went size 2 & was reported to have failed on the Jan 13th SH layer.  Control work produced several avalanches from size 1 - 2.5 on north through east facing slopes Wednesday.
Explosives control on Thursday produced mostly surface results to size 1.5. The exception was a size 3 slab that was 2.5 metres deep on a north facing alpine slope.
A size 2.5 natural was observed on an alpine feature in the Duffey Lake area on Wednesday. In the Coquihalla area, widespread windslab avalanches to size 3 were reported on Thursday
Numerous size 1 to size 2 natural and explosive-controlled avalanches were reported in the region in the last 24 hours (mostly on north aspects above 2000m).
Our field team was out in the region Thursday investigating a slide that ran full path.  This avalanche path has a SE facing start zone that had been crossloaded by the recent westerly winds.  A wind pillow failed high on the slope triggering a size 3 avalanche with a crown as deep as 85 cm.  The likely culprit is a crust/facet combo from mid-December.
A natural avalanche cycle to size 3 was observed on Wednesday. Many avalanches failed on a facet/crust layer about 80cm deep, which is likely to continue to be a problem sliding layer as the next pulse of storm precipitation rolls in. Below treeline, moist loose avalanches were releasing in response to warming or rain.
We haven't received any reports of avalanches from the region, but expect some natural activity to have occurred.
A few natural avalanches, up to size 2, were observed in steep lee (wind-loaded) terrain on Wednesday. Whumphing was observed below treeline.
A wind event overnight Tuesday led to a natural avalanche cycle on lee aspects in some parts of the region. A few small (size 1) human-triggered avalanches were observed over the last couple of days. Overall, avalanche activity has slowed since the beginning of the week.
Limited shooting cracks at skis was observed on lee features at treeline in the soft slab down 20 and 40cms.  Ski Cut on lee alpine convex roll terrain produced no results in the soft storm slab.  Good skiing though!
Several skier triggered size 1 avalanches were reported yesterday as new snow was blown into soft slabs by strong NW winds.  A natural cycle driven by the winds was reported from a few different locations.  Avalanches from size 1 - 3 were reported.
Avalanche obs are also quite spatially variable.  Control work in the Dogtooth's produced avalanches to Size 3 running on basal facets with small loads.  Just a bit south of Golden control work with large loads produced very little activity.  Wind effected terrain in the region went through a natural avalanche cycle to size 2.5 on Thursday.
No avalanches have been reported in this region. Expect a spike in avalanche activity with forecast wind, precipitation and rising freezing levels.
Cornices are quite tender right now, on Friday just the weight of a hand charge (not detonation) was enough to cause cornice failure.  Other control work on Thursday produced a few reluctant size 2 avalanches with large triggers.
Our field team was out in the region Thursday investigating a slide that ran full path.  This avalanche path has a SE facing start zone that had been crossloaded by the recent westerly winds.  A wind pillow failed high on the slope triggering a size 3 avalanche with a crown as deep as 85 cm.  The likely culprit is a crust/facet combo from mid-December.
No new avalanche activity has been reported from the region.
On Friday explosives testing in the Duffey Lake area produced avalanches to size 3. In the Coquihalla area, explosives control produced numerous size 2-3 avalanches with crowns ranging from 30-150cm.
A size 2 natural fresh windlsab avalanche was reported in the Nelson area on thursday. It ran 200m and occurred on a north aspect at treeline. Explosives control in the area also produced numerous size 1-1.5 avalanches with crowns ranging from10-60cm.
A natural avalanche cycle to size 3 (most at size 2) occurred on Wednesday and Thursday. Skiers triggered numerous size 1 slabs on Thursday, failing on an instability in the storm snow.
We've had no new reports from the region. Please send us your observations: forecaster@avalanche.ca
On Thursday, a skier remotely triggered a size 1.5 slab on a convex feature. It failed on facets beneath the storm snow. On Wednesday, three size 3.5 natural avalanches ran full path. A few other natural avalanches, up to size 2, were observed in steep lee (wind-loaded) terrain. Whumphing was observed below treeline.
Several natural and human-triggered avalanches have been reported over the last few days. Storm snow weaknesses and a buried sun crust have been the main sliding layers. An isolated size 3 natural slab was observed on Thursday on a steep, south-facing slope. The crown was 80-100cm deep.
Several natural and explosives-triggered avalanches have been reported, with observations coming in every day this week. Many have been in the size 2-3 range, mostly failing on an instability in the storm snow and occasionally failing on facets below the storm snow.
We've had no new reports from the region. Please send us your observations: forecaster@avalanche.ca
Natural avalanches were observed below 1500m on Friday, failing on the crust/facet combo. On Thursday, a skier remotely triggered a size 1.5 slab on a convex feature. It failed on facets beneath the storm snow. On Wednesday, three size 3.5 natural avalanches ran full path. A few other natural avalanches, up to size 2, were observed in steep lee (wind-loaded) terrain. I expect more avalanche activity to occur during the weekend's storm.
Several natural and human-triggered avalanches have been reported over the last week. Storm snow weaknesses and a buried crust have been the main sliding layers. An isolated size 3 natural slab was observed on Thursday on a steep, south-facing slope. The crown was 80-100cm deep. Avalanche activity tapered off by Friday.
No avalanches have been reported in this region. Expect a spike in avalanche activity with forecast wind, precipitation and rising freezing levels.
A few size 1 windslab avalanches were reported from the Whistler area in response to windloading on Saturday. Expect significant wind slab activity with forecast weather.
On Friday explosives testing in the Duffey Lake area produced avalanches to size 2.5. In the Coquihalla area, explosives control produced numerous size 2-3 avalanches with crowns ranging from 30-150cm.
Control work in the Dogtooths continues to produce avalanches running to ground on basal facets & depth hoar in high elevation terrain with light loads.  Further south, large loads produced very little results at mid elevations with large loads.  Friday's winds formed stubborn wind slabs 20 - 30 cm in depth which were largely unreactive to skiers.
Cornices are quite tender right now, on Friday just the weight of a hand charge (not detonation) was enough to cause cornice failure.  Other control work on Thursday produced a few reluctant size 2 avalanches with large triggers.
Our field team was out in the region Thursday investigating a slide that ran full path.  This avalanche path has a SE facing start zone that had been crossloaded by the recent westerly winds.  A wind pillow failed high on the slope triggering a size 3 avalanche with a crown as deep as 85 cm.  The likely culprit is a crust/facet combo from mid-December.  Very little avalanche activity was reported or observed on Saturday
Windslab avalanches to size 1.5 were observed in the region over the last 24 hours.
Very little significant avalanche activity was reported from the region Friday.
Few avalanches reported Saturday; limited visibility restricted observations. Professionals working in the area expect today (Sunday) to have a widespread natural avalanche cycle including large full-path avalanches running from alpine to valley bottom, large windslabs at treeline and alpine elevations (to around size 2.5), widespread storm snow avalanches (independent of wind-loading) at all elevations, and possibly even deep releases at treeline and below treeline elevations on the deeply buried facet & crust combination. Looking forward to Monday I expect natural activity will taper off but will not have fully stopped and conditions will remain primed for human-triggered slides, which could be large. I would continue to remain very suspicous of cornices and the possibility of cornice triggered slides.
Few avalanches reported Saturday; limited visibility restricted observations. Professionals working in the area expect today (Sunday) to have a widespread natural avalanche cycle including large full-path avalanches running from alpine to valley bottom, large windslabs at treeline and alpine elevations, widespread storm snow avalanches (independent of wind-loading) at all elevations, and possibly even deep releases at treeline and below treeline elevations on the deeply buried facet & crust combination. Full-path avalanches to valley bottom reported on Sunday AM. Looking forward to Monday I expect natural activity will taper off but may not have fully stopped and conditions will remain primed for human-triggered slides, which could be large. I would continue to remain very suspicous of cornices and the possibility of cornice triggered slides.
The new snow was quite reactive Saturday afternoon.  Numerous sluff's and very soft slab avalanches to 10 cm in depth were reported.
Control work in the Dogtooths produced avalanches running to ground on basal facets & depth hoar in high elevation terrain with light loads on Jan. 27th.  Further south that day, large loads produced very little results at mid elevations with large loads.  Friday's winds formed stubborn wind slabs 20 - 30 cm in depth which were largely unreactive to skiers.  Lots of sluffing was reported on Saturday in the region to size 1.5, and that was before the 20 - 40 that fell Saturday night.
The new snow was quite reactive to ski cutting and explosive control work on Sunday producing avalanches to size 2.  Monday looks to be a near repeat of Sunday in terms of conditions.  I expect the new snow has the potential to avalanche naturally through Monday.
Our field team was out in the region Thursday investigating a slide that ran full path.  This avalanche path has a SE facing start zone that had been crossloaded by the recent westerly winds.  A wind pillow failed high on the slope triggering a size 3 avalanche with a crown as deep as 85 cm.  The likely culprit is a crust/facet combo from mid-December.  Very little avalanche activity was reported over the weekend, but it's important to note that On Sunday we received a report of a size 2+ avalanche that was likely human triggered on a sparsely treed slope just below steep rocky terrain in the Smith Basin area.  This avalanche had a crown of 100 - 150 cm and likely failed on basal facets near the ground.
No new avalanches have been reported from the region.
Numerous size 1 windslab avalanches were reported from the Whistler area in response to windloading on Sunday. Observations were limited due to poor visibility.
Size 1 avalanches (recent wind slab) were ski cut in the Duffey area on Saturday.
Natural avalanches from low elevation avalanche paths were reported Saturday, as were small slides in the storm snow from outside the highway corridor. No reports for Sunday. Poor visibility is limiting field observations.
There are no new reports from the region. Please send us your observations: forecaster@avalanche.ca
Numerous fresh windslab avalanches to size 1.5 were observed in the region over the last 24 hours. More deep activity was reported from the Bonnington Range on Saturday where a size 2.5 and a size 3 avalanche were reported to have released on the mid-December surface hoar/facet layer.
Numerous reports of natural avalanche activity occurred over the weekend ranging in sizes from small-large (size 1-3's). All were reported as slab avalanches initiating from 1200m-2700m, mainly on N-NE aspects, but some operations seeing all aspects active.  I suspect natural activity may die down early this week, but rider triggered avalanches are likely. It may take a few days for the storm snow to settle out and start to stabilize.
Current observations include one large size 3.5 slab avalanche that occurred west of Invermere at 2300m on a SE-SW aspect, 600m wide, running 1300m in length, and the slab pulled out to the ground basal layers. A few smaller  (size 2) avalanches were reported on NE-E aspects above 2300m on an old failure plane within the snowpack. Older, yet a reminder is the control work in the Dogtooths that produced avalanches running to ground on basal facets & depth hoar in high elevation terrain with light loads on Jan. 27th.  Further south that day, large loads produced very little results at mid elevations with large loads.
1 size 2 and numerous size 1 explosives-controlled avalanches were observed in the Whistler area on Monday.
No new avalanches have been reported from the region.
Widespread natural and explosive controlled slab avalanches occurred on Monday up to size 3. Start zones in the alpine revealed crowns op to 1.5m deep, and 100m wide. Below treeline wet slab avalanches were easily initiated naturally or by ski cutting creating size 2 avalanches with 60cm crowns, entraining mass with deposits up to 1 meter deep. I suspect the lower elevation activity will come to an end as freezing levels drop to valley bottom, and the snowpack starts to tighten up. Wind slab, and storm snow avalanches will still be a concern at upper elevations.
In response to the strong winds, heavy precipitation and unexpected warming over the weekend a wide spread avalanche cycle was reported in the Coquihalla area on Sunday. Numerous size 2-2.5  and a few size 3-4 avalanches were observed. In the Duffey area numerous size 1.5-2 avalanches occurred on Sunday.
Reports are coming in about a widespread natural avalanche cycle that occurred on Saturday with avalanches up to Size 3.5 running almost full-path on all aspects and elevations. Natural and slope-cut activity continued on Sunday with avalanches up to Size 2 running within the upper storm snow on steep unsupported features and gullies at treeline and below. Explosive control on Sunday produced avalanches up to Size 3.5 all running on weaknesses within the recent storm snow.
Recent observations include some natural avalanche activity in the Hankin area on Sunday on North and East aspects at treeline and alpine elevations. Slabs ranged in thickness from 20cm to 50cm and the avalanches were not running very far.
Reports are coming in about a widespread natural avalanche cycle that occurred Saturday night and Sunday morning with very large avalanches running full-path on all aspects and elevations. Storm slabs continued to be highly sensitive to human triggers on Sunday with slope-cut avalanches up to Size 2 on steep unsupported features and gullies at treeline and below.
Reports are coming in about a widespread natural avalanche cycle that occurred Saturday night and Sunday morning with avalanches up to Size 3.5 running almost full-path on all aspects and elevations. Storm slabs continued to be highly sensitive to human triggers on Sunday with slope-cut avalanches up to Size 2on steep unsupported features and gullies at treeline and below. Explosive control on Sunday in the southern part of the region produced avalanches up to Size 3.5 all running on weaknesses within the recent storm snow.
Numerous fresh windslab avalanches to size 2 were observed in the region on Sunday. Expect continued windslab avalanche activity in wind-affected terrain in the wake of Sunday night's wind, snow and moderate temperatures.More deep activity was reported from the Bonnington Range on Saturday where a size 2.5 and a size 3 avalanche were reported to have released on the mid-December surface hoar/facet layer.
On Sunday several size 2 natural slab avalanches were seen. On Monday skier controlled, and explosive controlled avalanches were initiated up to size 2 with crown depths being 30-40cms. Monday afternoon the sun poked out and sluffing occurred on steep, rocky south facing slopes.
Several reports of natural avalanche activity occurred on Monday up to size 2.5, but the majority were sized 1-2. Explosive testing done on Monday revealed slab avalanches up to size 2, with one report of a 2.5. Most avalanches occurred on N-NE facing slopes above 1900m. There was also a report of natural cornice fall triggering the slope below up to size 1.5. Cornice fall may increase later in the week due to warming temperatures. Remember these observations are region wide, it's important to make your own personal weather, snowpack and avalanche observations that help your decision making process when traveling in your local mountains.
Several size 3 natural slab avalanches were reportedly seen on Monday. These occurred on NE aspects, suspect instabilities could haven been light to moderate loading above treeline producing slab avalanches from specific terrain features. Explosive avalanche control done in the Dogtooth Range produced 2 avalanches up to size 2, running full depth to ground basal facets. These were on NW-N aspects, at 2300m. On Sunday observations include one large size 3.5 slab avalanche that occurred west of Invermere at 2300m on a SE-SW aspect, 600m wide, running 1300m in length, and the slab pulled out to the ground basal layers.
No natural avalanche activity reported on Tuesday. Explosive avalanche controlled produced mainly small (size 1), with 1 size 2 on a steep NE aspect at 2050m. I suspect rider triggered avalanches likely above treeline mainly on N-NE aspects.
Warm temperatures and light to moderate precipitation resulted in several low-elevation natural storm slab avalanches up to Size 1.5 on Monday. Storm slabs continue to be reactive to natural and human triggers.
Warm temperatures and light precipitation resulted in several low-elevation natural storm slab avalanches up to Size 2 on Monday. Some natural avalanche activity was observed in the Hankin area on Sunday on North and East aspects at treeline and alpine elevations. Slabs ranged in thickness from 20cm to 50cm and the avalanches were not running very far.
Several natural and slope-cut step down slab avalanches Size 2 to 3.5 associated with the mid-January persistent weakness as deep as 150cm occurred on Monday.  Check out the incident database (link under the Bulletins tab) for a report of a slope-cut stepping down to the mid-January facets in the Monkton Creek area near Barkerville. The recent storm snow also remains sensitive to human triggers with several Size 1 to 2, 30-40cm thick slab avalanches.
Reports from Monday include several natural and explosive-triggered storm slab avalanches generally in the Size 2 to 3 range on all aspects and elevations. A couple of natural Size 3 persistent slab avalanches associated with the mid-January facets and associated crust 150cm were also observed. The recent storm snow also remains sensitive to human triggers with several Size 1 to 2, 30-40cm thick slab avalanches.
No new avalanches have been reported from the region. Expect new avalanche activity with forecast weather.Looking forward, a significant warming trend is forecast for thursday and friday. Expect continued avalanche activity throughout this period.
No new natural avalanches reported today. On Monday skier controlled, and explosive controlled avalanches were initiated up to size 2 with crown depths being 30-40cms.
Numerous size 1 soft windslab avalanches were observed in the Whistler area on Tuesday. Expect continued avalanche activity with forecast snowfall and the trailing warming trend expected for late thursday/friday.
No avalanches have been observed in the last 24 hours. A significant warming trend is expected for thursday/friday. Expect avalanche activity to increase with this trend.
Numerous fresh windslab avalanches (size 1.5-2) were observed in the region on Monday in response to Sunday night's warming, moderate winds and continued snowfall. Explosives-controlled avalanches to size 3 were reported in the Kootenay Pass area. It should be said that most recent snowfall amounts were greatest in this area.More deep activity was reported from the Bonnington Range on Saturday where a size 2.5 and a size 3 avalanche were reported to have released on the mid-December surface hoar/facet layer.
Warm temperatures and light to moderate precipitation resulted in several low-elevation natural storm slab avalanches up to Size 2. Explosive control on Tuesday produced numerous 40-60cm thick wind slab avalanches up to Size 2.5 with wide propagation on all aspects in the alpine. Several 100-150cm thick slab avalanches up to Size 3.5 were also triggered.
Recent reports include isolated storm slab avalanches up to size 1.5 and loose snow sluffs below treeline.
Recent reports include a couple of natural cornice-triggered 70-80cm thick wind slab avalanches as big as Size 3 on north and northeast facing alpine slopes. One natural Size 2.5, 80cm thick slab avalanche associated with the mid-January facets was observed on a southeast facing slope at 1600m. Check out the incident database (link under the Bulletins tab) for a report of a slope-cut stepping down to the mid-January facets in the Monkton Creek area near Barkerville. Large persistent slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches and cornice falls. The recent storm snow also remains sensitive to human triggers with several small sluffs and Size 1 to 2, 35-45cm thick slab avalanches.
Large persistent slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches and cornice falls. The recent storm snow also remains sensitive to human triggers with several small sluffs and Size 1 to 2, 30-60cm thick slab avalanches.
50 cm of storm snow over the past 48 hours developed a very touchy storm slab on West aspects on Wednesday morning, producing dry slab avalanches up to size 1.5 with 30-40 cm crowns. Intense solar radiation caused pin-wheeling and moist releases on East aspects when breaks in the fog appeared early on Wednesday. Shaded North aspects continued to produce dry slab results up to size 1.5 on Wednesday afternoon. These results were from small controlled slopes.
Soft slab avalanches up to size 1.0, some skier controlled and some skier accidental on steep NE facing alpine terrain. One natural cornice reported as size 2.5 on a NE aspect in the alpine.
Numerous size 1.0 loose dry sloughs reported from the 12 cm of new snow that fell in "power flurries" in the Duffey Lake area. When the sun popped out it caused loose snow naturals on east and south aspects.
Report of a natural avalanche size 1.5 dry slab with a 20-30 cm crown at 1900 metres on Grey Mtn near Rossland. Skier accidental size 2.0 dry slab avalanche reported from the back country near Whitewater ski resort on a North aspect near treeline.
No natural avalanche activity reported on Tuesday. Explosive avalanche controlled produced mainly small (size 1), with 1 size 2 on a steep NE aspect at 2050m. I suspect rider triggered avalanches likely above treeline mainly on N-NE aspects.
No new natural avalanches reported today. Our CAC field team did spend the day out, and investigated some natural slab avalanches that occurred on the 29/30th from Michel Ridge. All three slides were size 3 slab avalanches. One of the avalanches occurred on a East aspect, @ 1965m. The debris was 175m long x 20m wide, with an average depth of 2m. The avalanche consisted of a dense hard slab running on weaker facets below.
On Tuesday very little natural slab avalanche activity occurred. One report of a natural size 2 slab avalanche occurred on a cutbank @ 800m, on a 35 degree North aspect. Reports indicated natural sluffing from steep rocky features, and skier triggered sluffing within the recent storm snow, up to size 1.5.  What did catch my eye was two separate reports of size 3 slab avalanches. The reports came in from Southern parts of the region. The actual avalanches were unobserved, but details revealed crown sizes 150cms deep, which could possibly be the mid-January SH/FC layer. One slide initiated from a steep gully feature and triggered the slope below at 1700m. The other slide reportedly took out mature timber. These both occurred on NE-E aspects. Cornice fall may increase later in the week due to warming temperatures, which may provide large enough triggers on slopes below.
On Tuesday two size 2 slab avalanches were reported in the Dogtooth range on Repeater Ridge. These occurred on a East aspect @2400m. On Monday explosive avalanche control done in the Dogtooth Range produced 2 avalanches up to size 2, running full depth to ground basal facets. These were on NW-N aspects, @ 2300m.
Now recent avalanches observed.
No avalanche activity has been reported. With sunny skies and warming, I be suspect of potential cornice fall triggering slopes below.
No new natural avalanches reported today. Our CAC field team did spend the day out, and investigated some natural slab avalanches that occurred on the 28/29th from Michel Ridge. All three slides were size 3 slab avalanches. One of the avalanches occurred on a East aspect, @ 1965m. The debris was 175m long x 20m wide, with an average depth of 2m. The avalanche consisted of a dense hard slab running on weaker facets below.
Reports from Wednesday include a few natural wet-loose avalanches up to Size 2 with afternoon warming and solar radiation. Explosive control results were slightly smaller than expected with numerous Size 2.0 to 2.5, 10-40cm thick slab avalanches on all aspects in the alpine, and several large cornice releases.
Recent reports include one cornice failure, but it didn't trigger a slab on the slope below.
Large looming cornices are likely to start falling off with warm temperatures and solar radiation. Large slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches, cliff-drops, and cornice drops.
Recent reports include natural sluffing as big as Size 1.5 and relatively harmless skier-triggered sluffs and soft slabs, but one sluff was as big as Size 2. Large looming cornices are likely to start falling off with warm temperatures and solar radiation. Large slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches, cliff-drops, and cornice drops.
No new natural avalanche activity has been reported. On Tuesday two size 2 slab avalanches were reported in the Dogtooth range on Repeater Ridge. These occurred on a East aspect @2400m. On Monday explosive avalanche control done in the Dogtooth Range produced 2 avalanches up to size 2, running full depth to ground basal facets. These were on NW-N aspects, @ 2300m.
Some loose dry sloughing from shaded slopes in the alpine. A large natural ice release occurred on Wednesday on Mount Joffre. No reports of avalanches from the Coquihalla area.
Some loose moist snow releases reported on steep sun exposed slopes.
Very little natural slab avalanche activity to report. Reports indicated natural sluffing from steep rocky terrain features size 1-2. Several reports of rider triggered avalanches occurred on various aspects @ elevations of 1400-2100m. This tell me the storm slabs are still reactive to lighter loads. Also to note, cornice failures have been occurring naturally producing size 2. Explosive cornice control done Wednesday produced a size 2.5 on the slope below. I suspect cornice fall may increase under forecast alpine sun, possibly creating large slab avalanches on the slopes below.
Some sloughing from steep shaded aspects in the alpine to size 1.0. Also, moist surface snow releases up to size 1.0 on solar aspects.
Reports of loose dry sloughing in steep terrain from several operators in the area up to size 1.5. Explosive control at Kootenay Pass produced several avalanches size 2.5-3.0 on cross loaded slopes with crowns between 50-100 cm.
No new avalanches observed.
Na Sz 3 on SE aspect of Mt Lyautey.  300m wide, 40-80cm deep and ran 1000m reaching hidden lakeNa Sz 2 on S aspect of Mt Kidd.  40m wide, 40-60cm deep running down over ice climb to the middle of its normal runout.  Total length of slide was 800m.  Suspect solar triggered.Numerous loose snow Na up to size 1.5 on solar aspects related to daytime warming.
Widespread wet loose cycle to size 1.0 on solar aspects.
No new natural avalanches reported today. In the neighboring Lizard range numerous deep releases were reported on facets that formed in October. The same snowpack structure exists in many parts of the South Rockies region. This combined with the current warming at upper elevations means that you can expect an increase in avalanche activity this weekend.
On Friday numerous avalanches to size 3.5 occurred. These avalanches all required a significant trigger (explosives/ cornice fall), but activity was very destructive. It is thought that these slides released on basal facets formed in October as some crowns were up to 3m deep. Expect ongoing avalanche activity with continued warm temperatures.
On Friday, slab avalanches up to size 3.5 were reported in response initially to rain and then during the day to intense solar radiation. On Thursday, numerous large (up to size 3) slab avalanches were reported out of lee terrain (SW predominantly) along Bear Pass during the warming period as the snow turned to rain. Lower elevations were especially active.
Since the recent warming, numerous large and destructive avalanches were reported in the region. Some of these avalanches have been initiated by cornice fall. Others were loose, wet avalanches that, in some cases, stepped down to basal weaknesses.
Small cornice releases that have so far not released slabs on slopes below were reported from Friday. A large nautral avalanche (size 3) was reported from the Hankin-Evelyn from last weekend on a NW aspect.
Numerous natural cornice falls were reported, some of which triggered slabs on the slope below. Wet sluffing was also observed on sun-exposed slopes.
Some sloughing from steep shaded aspects in the alpine to size 1.0. Also, moist surface snow releases up to size 1.0 on solar aspects.
Explosive control along the Coquihalla corridor produced large avalanches up to size 3.5 from cornice falls pulling slabs on the slopes below. South aspects produced large avalanches running to near full path in the Duffey Lake area. Expect to see continued activity on solar aspects until we get a freeze in the alpine.
Large looming cornices are likely to start falling off with warm temperatures and solar radiation. Large slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches, cliff-drops, and cornice drops.
Recent reports include natural sluffing as big as Size 1.5 and relatively harmless skier-triggered sluffs and soft slabs, but one sluff was as big as Size 2. Large looming cornices are likely to start falling off with warm temperatures and solar radiation. Large slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches, cliff-drops, and cornice drops. Glide slabs up to size 3.0 have been reported from steep south aspects. Explosive control in the Monashee produced avalanches up to size 3.0 on various aspects that were releasing down about 30 cm in the storm snow.
Explosive control in the Kaslo to New Denver highway corridor on Thursday produced several size 2.5 moist releases that pushed storm snow to the middle of the runout of 2 km long paths. These slides started between 2000 and 2300 metres on S-SW aspects. A larger explosive controlled avalanche occurred at Bear Lake from a SE aspect in the alpine. The avalanche was size 3.5 dry slab with an average crown of 160 cm and ran full path, 1100 vertical metres for 2.5 km. Reports of loose dry sloughing in steep terrain from several operators in the area up to size 1.5. Explosive control at Kootenay Pass produced several avalanches size 2.5-3.0 on cross loaded slopes with crowns between 50-100 cm.
Numerous loose wet avalanches up to size 1.5 from steep solar aspects.  Extensive snowballing in steeper terrain.  Also, a few older slabs on E aspects at 3000m up to size 2 on Whistling Rock Ridge in steep (45deg) unsupported terrain.  Likely caused by cornice collapses in the past 72hrs.
No avalanches reported.
Some sloughing from steep shaded aspects in the alpine to size 1.0. Also, moist surface snow releases up to size 1.0 on solar aspects.
Widespread wet loose and surface slab activity on solar aspects up to size 2.5 in the Coquihalla area. No new reports from the Duffey lake area, on Friday moist slab releases up to size 3.5 were observed running full path on southerly aspects due to solar warming and warm overnight temperatures in the alpine.
There were some large deep avalanche releases on Friday. Most of the large avalanches were on solar aspects, as a result of warm overnight temperatures combined with daytime heating. There were also a couple of large avalanches that released on northerly aspects that were caused by cornice falls releasing slabs that stepped down to the ground. Also, there were a couple of large avalanches in the southern interior that released naturally or with light triggers on northerly aspects that released down to the ground or glacial ice.  I decided to leave the information from the previous bulletin, as I think it shows the trend of larger avalanches. Explosive control in the Kaslo to New Denver highway corridor on Thursday produced several size 2.5 moist releases that pushed storm snow to the middle of the runout of 2 km long paths. These slides started between 2000 and 2300 metres on S-SW aspects. A larger explosive controlled avalanche occurred at Bear Lake from a SE aspect in the alpine. The avalanche was size 3.5 dry slab with an average crown of 160 cm and ran full path, 1100 vertical metres for 2.5 km. Reports of loose dry sloughing in steep terrain from several operators in the area up to size 1.5. Explosive control at Kootenay Pass produced several avalanches size 2.5-3.0 on cross loaded slopes with crowns between 50-100 cm.
In the Bull River area on Saturday widespread natural activity to size 3 was reported on sun-exposed aspects in the alpine. On Friday, a size 3 natural slab avalanche was reported on sun-exposed alpine feature. This was thought to have ran on basal facets. In the neighboring Lizard range numerous deep releases to size 3.5 were reported on facets that formed in October. The same snowpack structure exists in many parts of the South Rockies region.
On Friday, slab avalanches up to size 3.5 were reported in response initially to rain and then during the day to intense solar radiation. On Thursday, numerous large (up to size 3) slab avalanches were reported out of lee terrain (SW predominantly) along Bear Pass during the warming period as the snow turned to rain. Lower elevations were especially active.
Large looming cornices are likely to start falling off with warm temperatures and solar radiation. Large slab avalanches that propagate across entire slopes are possible, especially with heavy triggers such as step-down avalanches, cliff-drops, and cornice drops.
Numerous loose snow avalanches and a few slabs were triggered by warming and solar radiation on Friday. In some cases, icefall or cornice fall was the trigger. Further south in the Columbias, large natural avalanches released deep in the snowpack, in some cases near the ground on facets.
Very warm alpine temperatures and solar radiation led to a widespread natural avalanche cycle on Friday. Numerous avalanches of size 1-4 were observed, mainly on south aspects, with a few isolated events on north aspects. Avalanches released within moist surface layers, on old snow/facet layers or at the ground. This activity is expected to taper off with cooler temperatures. However, cornices and surface layers may remain touchy through the weekend and still have the potential to trigger deep, destructive avalanches.
A significant avalanche cycle occurred in the region on Friday as many large loose snow and slab avalanches (size 2-4) were observed. For the most part, the cycle was specific to southeast to southwest aspects in the alpine, with some slides running down to mature forest. Cornice fall was also an issue as many large cornices failed naturally, in some cases triggering a slab on the slope below. There were also a few isolated deep slab avalanches (to size 3.5) on north aspects that failed without cornice fall. It is thought that some of these released at a crust that was formed in October. Expect ongoing avalanche activity with forecast warm alpine temperatures on Sunday.
Since the recent warming, numerous large and destructive avalanches (to size 3.5) were reported in the region. Most of the avalanches were specific to south-facing alpine features. Some of these avalanches were initiated by cornice fall. Others were loose, wet avalanches that, in some cases, stepped down to basal weaknesses.
On Friday numerous avalanches to size 3.5 occurred. These avalanches all required a significant trigger (explosives/ cornice fall), but activity was very destructive. It is thought that these slides released on basal facets formed in October as some crowns were up to 3m deep. On Saturday, explosive-controlled slab avalanches to size 3 were also observed.
A few sz 1 loose wet slides on steep solar aspects up to size 1.5.  1 recent size 1 slab on the Goat range at 2800m on a steep unsupported role.  Cornice collapse was the suspected trigger.
No avalanches reported.
Some sloughing from steep shaded aspects in the alpine to size 1.0. Also, moist surface snow releases up to size 1.0 on solar aspects.
Widespread wet loose and surface slab activity on solar aspects up to size 2.5 in the Coquihalla area. No new reports from the Duffey lake area, on Friday moist slab releases up to size 3.5 were observed running full path on southerly aspects due to solar warming and warm overnight temperatures in the alpine.
Fewer avalanches were reported from Saturday, mostly moist solar releases on southerly aspects. A couple of large avalanches on northerly aspects were reported from just north of the region, that stepped down to a deep weak layer. There were some large deep avalanche releases on Friday. Most of the large avalanches were on solar aspects, as a result of warm overnight temperatures combined with daytime heating. There were also a couple of large avalanches that released on northerly aspects that were caused by cornice falls releasing slabs that stepped down to the ground. Also, there were a couple of large avalanches in the southern interior that released naturally or with light triggers on northerly aspects that released down to the ground or glacial ice.  I decided to leave the information from the previous bulletin, as I think it shows the trend of larger avalanches. Explosive control in the Kaslo to New Denver highway corridor on Thursday produced several size 2.5 moist releases that pushed storm snow to the middle of the runout of 2 km long paths. These slides started between 2000 and 2300 metres on S-SW aspects. A larger explosive controlled avalanche occurred at Bear Lake from a SE aspect in the alpine. The avalanche was size 3.5 dry slab with an average crown of 160 cm and ran full path, 1100 vertical metres for 2.5 km.
Avalanche activity tapered-off dramatically in the wake of Friday's natural cycle. Over the weekend activity was mostly on solar aspects at higher elevations to size 2.5. One exception to that was a size 3 skier-triggered slab avalanche (see incident report database) near Kaslo that failed to ground on depth hoar. It was on a northwest aspect at 2500m. I expect a decrease in avalanche activity with forecast cooling on Monday.
Since the recent warming, numerous large and destructive avalanches (to size 3.5) were reported in the region. Most of the avalanches were specific to south-facing alpine features. Some of these avalanches were initiated by cornice fall. Others were loose, wet avalanches that, in some cases, stepped down to basal weaknesses. On Saturday a skier was injured in an avalanche near Kimberley. Details were patchy at the time this bulletin was written. I expect that avalanche activity will decrease with forecast cooling.
Over the weekend widespread natural activity to size 3 was reported on sun-exposed aspects in the alpine. Although a decrease in avalanche activity is expected with forecast cooling, triggering of deeper weaknesses may still be a possibility with a large trigger.
Numerous solar-triggered avalanches to size 2.5 were observed on Saturday on slopes facing the sun. A few isolated slabs to size 2 were also reported from steep wind-loaded features near ridge top.
No new avalanches have been reported.
Numerous loose snow avalanches and a few slabs were triggered by warming and solar radiation on Friday. In some cases, icefall or cornice fall was the trigger. No avalanches were reported on Saturday.
In general, avalanches related to solar warming are decreasing in size and frequency. On Friday, very large, deep avalanches were releasing in relation to rapid warming. Activity has become more predictable, with several solar-triggered avalanches releasing each day in steep south-facing terrain, especially during peak warming in the afternoons. These can be large (up to size 2.5), but seem to now be confined to surface layers and are not pulling out persistent weaknesses very often. A glide crack failure was observed on a south aspect at 1600m on Saturday. Large cornice falls have also been reported.
Throughout the weekend numerous avalanches to size 3.5 occurred in the alpine. These avalanches all required a significant trigger (explosives/ cornice fall), but activity was very destructive. These slides released on basal facets that formed in October as some crowns were up to 3m deep. Activity should taper-off with forecast cooling, but destructive avalanches are still possible with the right trigger.
Nothing reported.
No new observations have been reported.
Over the weekend widespread natural activity to size 3 was reported. The avalanches occurred in response to a warming pattern that affected much of BC. Avalanche activity has decreased dramatically with the current cooling trend.
No new avalanche observations reported today.
No new avalanche observations reported.
A few cornice falls have been observed over the past couple of days. Wind loading led to a localized avalanche cycle near Stewart on Sunday. Several solar-triggered avalanches have been observed on sunny slopes during the heat of the day.
No new avalanches have been reported.
Solar warming is causing daily avalanches on steep sunny aspects, mostly in the size 1-1.5 range. Large chunks of cornice fall have been reported most days, with limited effect on the slope below.
In general, avalanches related to solar warming are decreasing in size and frequency. On Friday, very large, deep avalanches were releasing in relation to rapid warming. Activity has become more predictable, with several solar-triggered avalanches releasing each day in steep south-facing terrain, especially during peak warming in the afternoons. These can be large enough to bury you, but seem to now be confined to surface layers and are not pulling out persistent weaknesses very often. Large cornice falls have also been reported.
Over the weekend activity was mostly on solar aspects at higher elevations to size 2.5. One exception to that was on Saturday when a size 3 skier-triggered slab avalanche (see incident report database) near Kaslo failed to ground on depth hoar. It was on a northwest aspect at 2500m. This avalanche represents a very low probability/high consequence scenario that seems to be more prevalent at the southeast end of the region. I expect a continued decrease in avalanche activity with the current cooling trend.
On Saturday a skier was injured in an avalanche near Kimberley. The size 2.5 slab released on a west facing, cross-loaded alpine slope. The crown varied in height, but was up to 1m deep. For more details, check-out the following link to our Incident Report Database: http://www.avalanche.ca/cac/library/incident-report-database/view/4a015304-42f6-4cc1-91e9-5450e2deec8f    On Sunday explosives-controlled avalanches to size 3 were reported in the region in steep alpine terrain (north and west aspects). Some of these avalanches released within the mid-pack while 2 released at the ground.
Throughout the weekend numerous avalanches to size 3.5 occurred in the alpine. Almost all of the avalanches required a significant trigger (explosives/ cornice fall), but activity was very destructive. These slides released on basal facets that formed in October as some crowns were up to 3m deep. Activity has tapered-off dramatically with the current cooling, but destructive avalanches are still possible with a very large trigger.
One notable size 2 skier triggered avalanche occurred outside the ski area boundary near Whitewater. This was on a North aspect @1985m. The crown depth was reportedly 40-60cms, 50 wide and running 150m down slope. 2 skiers were involved, and sustained no injuries. Other observations from around the region includes small surface sluffing from steep North facing aspects.
One size 2.0 slab from steep terrain on SE asp at 2500m on the Goat Range, looked like it failed in the basal facets.
No new observations have been reported.
No new avalanche observations reported today.
No new avalanche observations reported.
Wind loading led to a localized avalanche cycle near Stewart on Sunday and skiers triggered small pockets of slab on convex rolls at treeline on Monday. Several solar-triggered avalanches have been observed on sunny slopes during the heat of the day and warm temperatures led to avalanches, even on shady north aspects, below about 1100m on Monday. A couple of avalanches pulled out the Jan 20 facet layer on Monday with heavy triggers.
No new avalanches have been reported.
Solar warming has caused many avalanches on steep sunny aspects, mostly in the size 1-1.5 range. Large chunks of cornice fall have been reported most days, with limited effect on the slope below.
A few newly developed windslabs to size 1.5 were observed in the alpine on Monday.
Avalanche activity has decreased dramatically since the start of the cooling pattern on Monday. One exception was a size 2 natural slab avalanche that was triggered by cornice fall in the Invermere area on Monday. It occurred on a northeast aspect at 2400m.
Throughout the weekend numerous avalanches to size 3.5 occurred in the alpine. Almost all of the avalanches required a significant trigger (explosives/ cornice fall), but activity was very destructive. These slides released on basal facets that formed in October as some crowns were up to 3m deep. Activity has tapered-off dramatically with the current cooling, but destructive avalanches are still possible with a very large trigger.
Over the weekend widespread natural deep slab avalanche activity to Size 3 was reported. The avalanches occurred in response to a warming pattern that affected much of BC. Avalanche activity has decreased dramatically with the current cooling trend.
A size 1 wind slab avalanche was reported from the Northern Selkirks. Expect wind slab development in the alpine as winds were in the moderate range on Monday and Tuesday.
One notable Size 2 skier triggered avalanche occurred outside the ski area boundary near Whitewater. This was on a North aspect @1985m. It was a variable 40-60cm thick slab in cross-loaded terrain and 2 skiers were involved, but sustained no injuries. Check out the incident database (under the Bulletins tab) for other reports of recent avalanche involvements in the region, and search vimeo.com for helmet-cam footage of the Feb. 3rd incident near Nelson.
Two recent size 3 avalanches one above the ice climb VSOP on S ridge of Mt Sparrowhawk on an E aspect at 3000m that ran full path to valley bottom with fracture depths up to 120cm.  Cornice collapse was the likely trigger.  The second slide was in the Goat range on a E facing slope at 2800m that ran to the middle of its historical runout.  Fracture depths on this slide were variable from 60-120cm deep.
A few newly developed windslabs to size 2 were observed in the alpine on Monday and Tuesday.
Throughout the weekend numerous highly destructive persistent deep slab avalanches involving basal facets occurred in the alpine and ran to valley bottoms (check out the Avalanche Image Gallery under the Library tab for some photos). Recent explosive control triggered an isolated Size 3.5 deep persistent slab on a north facing treeline slope with  a highly variable snowpack depth ranging from 75cm to over 2m. This suggests that these highly destructive avalanches remain possible with heavy triggers, such as airborne sled impacts and cornice falls, in thin areas on variable slopes peppered with tree's and rocks.
Throughout the weekend numerous highly destructive persistent deep slab avalanches involving basal facets and depth hoar occurred in the alpine and ran to valley bottoms (check out the Avalanche Image Gallery under the Library tab for some photos). These highly destructive avalanches remain possible with heavy triggers, such as airborne sled impacts and cornice falls, in thin areas on variable slopes peppered with tree's and rocks.
No new avalanche observations reported.
No new avalanches have been reported.
Large chunks of cornice fall have been reported in recent days with limited effect on the slope below. Minor radiation sluffs on steep solar aspects. Otherwise, no new activity to report.
Numerous wind slabs up to size 2 were observed in the region on Tuesday. The wind slabs were formed by moderate winds redistributing surface snow on Monday/Tuesday.
Fresh hard wind slabs on west through northeast aspects are very touchy with natural and skier-triggered avalanches up to size 2. Loose faceted surface snow is sluffing readily in steep terrain and gaining considerable mass. Check out the incident database (under the Bulletins tab) for reports of recent avalanche involvements in the region, and search vimeo.com for helmet-cam footage of the Feb. 3rd incident near Nelson.
No new observations have been reported.
Windslab avalanches to size 1 were observed in the region on Tuesday.
A report of one natural cornice fall, pulling out a size 3 slab avalanche from the slope below. The avalanche occurred on a North aspect @ 1800m. The crown depth was up to 1.5 m, running 800m.
Over the last few days, warming and sunshine have triggered avalanches up to size 2.5. Most have been on sunny slopes, but some north aspects became unstable at low elevations and also released. Sporadically, avalanches have failed on the Jan 20th layer with large triggers, like cornice fall. Isolated wind slabs have been triggered by skiers on steep rolls near treeline.
A few sz 1 slides out of steep rocky terrain related to daytime heating.
Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
Throughout the weekend numerous highly destructive persistent deep slab avalanches involving basal facets and depth hoar occurred in the alpine and ran to valley bottoms (check out the Avalanche Image Gallery under the Library tab for some photos). These highly destructive avalanches remain possible with heavy triggers, such as airborne sled impacts and cornice falls, in thin areas on variable slopes peppered with tree's and rocks.
Fresh hard wind slabs on west through northeast aspects are very touchy with recent natural and skier-triggered avalanches up to Size 2. Loose faceted surface snow is sluffing readily in steep terrain and gaining considerable mass. Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
Avalanche activity over the past few days has been mostly limited to cornice fall and isolated small windslabs.
No new avalanches to report. Our image gallery now has photos from the recent Hellroaring Creek avalanche near Kimberley.  Follow the link to view:  http://www.avalanche.ca/cac/library/avalanche-image-galleries/avalanches-2011-2012
Large chunks of cornice fall have been reported in recent days with limited effect on the slope below. Minor radiation sluffs on steep solar aspects. Otherwise, no new activity to report.
No new avalanches to report.
Small (size 1) isolated natural loose wet slides on N-NE aspects. Watch steeper terrain features above terrain traps where loose wet snow may be push you into an unwanted situation.
One natural cornice fall triggered a size 2 on the slope below. Reporting persons mentioned it may be 48hrs old. Suspect the Jan 20th facet layer, which may still be susceptible to large triggers. Isolated wind slabs have been triggered by skiers on steep rolls near treeline.
No new avalanches have been reported.
On Wednesday natural cornice fall occurred. This large trigger pulled out a size 3 slab avalanche from the slope below. The avalanche occurred on a North aspect @ 1800m. The crown depth was up to 1.5 m, running 800m. No new avalanche activity was reported on Thursday.
Glide crack activity up to size 2.5 has been reported in the Coquilhalla at treeline and below. Glide cracks are hard to predict, avoid riding in terrain below them. No other avalanche activity has been reported.
No new avalanches observed.
Loose faceted surface snow is sluffing readily in steep terrain and gaining considerable mass. Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
Isolated cornice releases have been reported from this region that have mostly not triggered a slab on the slope below. One that did pull a slab was from Monday or Tuesday this week, and was suspected to have released down to the Jan-20 facet layer.
No new natural avalanche activity was observed over the past 24hrs.
Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
No new avalanches have been reported.
Throughout the weekend numerous highly destructive persistent deep slab avalanches involving basal facets and depth hoar occurred in the alpine and ran to valley bottoms (check out the Avalanche Image Gallery under the Library tab for some photos). These highly destructive avalanches remain possible with heavy triggers, such as airborne sled impacts and cornice falls, in thin areas on variable slopes peppered with tree's and rocks.
No new avalanche activity to report.
The last avalanche reported from this region occurred on Wednesday, when a natural cornice fall occurred. This large trigger pulled out a size 3 slab avalanche from the slope below on a north aspect at 1800 m.
No new avalanche activity to report.
No new avalanches to report.
Small (size 1) isolated natural loose wet slides on N-NE aspects. Watch steeper terrain features above terrain traps where loose wet snow may be push you into an unwanted situation.
No new avalanches to report.
Glide crack activity up to size 2.5 has been reported in the Coquilhalla at treeline and below. Glide cracks are hard to predict, avoid riding in terrain below them. No other avalanche activity has been reported.
Numerous point releases sz .5 on SE aspects along highway corridor, in one case point release triggered a slab avalanche sz 1 on a mid slope E aspect crossloaded feature.
No new natural avalanche activity was observed over the past 48hrs.
No recent avalanches have been reported from this region.
No new avalanches have been reported.
Small (size 1) isolated natural loose wet slides failed in response to heavy rain. These avalanches have become less likely, however they remain possible until a good freeze occurs. Watch steep slopes above terrain traps, like open water and deep gullies, where loose wet snow may push you into an unwanted situation.
Naturally triggered loose snow avalanches were observed on Friday in response to warm wet snow falling. A few very small skier-triggered avalanches were also reported, failing in the 5-10cm of moist new snow.
Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
Last weekend numerous highly destructive persistent deep slab avalanches involving basal facets and depth hoar occurred in the alpine and ran to valley bottoms (check out the Avalanche Image Gallery under the Library tab for some photos).
Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
Some minor sloughing in steep terrain on northerly aspects continues to be reported.
One report of a natural cornice fall that triggered a deep slab size 3-3.5 down 150-200 cm on a steep northeast aspect in the high alpine. This was reported from Friday in the west of the region in a deep snowpack area. Some sloughing was reported from steep solar aspects at lower elevations.
Glide crack activity up to size 2.5 has been reported recently in the Coquilhalla at treeline and below. Glide cracks are hard to predict, avoid riding in terrain below them. No other avalanche activity has been reported.
There are a few reports of natural solar releases up to size 2.0 on South and Southeast aspects around 2000 metres from Friday.
A few natural cornice and ice releases have been reported up to size 2.5. Some small moist snow releases up to size 1.5 on steep southerly aspects have been reported from Friday.
Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Isolated, small, wet avalanches were observed on Friday and Saturday in response to moist snow surface conditions. A few very small skier-triggered avalanches were also reported, failing in the top 5-10cm of moist new snow.
Glide crack activity up to size 2.5 has been reported recently in the Coquilhalla at treeline and below. Glide cracks are hard to predict, avoid riding in terrain below them. No other avalanche activity has been reported.
Last weekend numerous highly destructive persistent deep slab avalanches involving basal facets and depth hoar occurred in the alpine and ran to valley bottoms (check out the Avalanche Image Gallery under the Library tab for some photos).
Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of recent deep persistent slab avalanches in the region.
No reports of new avalanches.
Slab avalanches from glide cracks have been reported near Terrace up to size 2.5, releasing from steep, smooth, rocky areas. Wet snow slides have also been reported in moist snow at low elevations.
No new avalanches have been reported.
No new avalanches reported.
Some minor sloughing in steep terrain on northerly aspects continues to be reported.
Some sloughing on steep northerly aspects up to size 1.5 in the surface hoar/facet/light new snow combination.
No new Avalanche Activity
Loose surface snow may be susceptible to sluffing on steep slopes, but not expected to be particularly destructive unless terrain traps are in the runout. Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes.
No new avalanches have been reported and none are expected.
Some sloughing in steep terrain on northerly aspects continues to be reported.
Report of one explosive controlled avalanche size 3.5 that stepped down to the basal facet layer at the ground in moraine features. Some other explosive control did not produce any results.
No new avalanches reported.
Some sloughing on steep northerly aspects up to size 1.5 in the surface hoar/facet/light new snow combination.
Surface snow has been sluffing readily with rider traffic on steep slopes and strong solar radiation has resulted in afternoon snowballing and isolated small wet loose avalanches. Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes.
No new avalanches have been reported in this region recently.
Glide crack activity up to size 2.5 has been reported recently in the Coquilhalla at treeline and below. Glide avalanches are hard to predict but often happen during periods of warm weather or when the sun is shining. Avoid riding in terrain below glide cracks, or below slopes comprised of smooth rock slabs. No other avalanche activity has been reported.
Slab avalanches initiating from ski cuts have been reported up to size 1.5 on steep, wind effected alpine ridges on eastern aspects. Sluffing of new snow in steep terrain has also been reported.
No new avalanches have been reported.
Nothing observed or reported.
Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Size 1.0 Sc touchy
No new avalanches have been reported in this region recently.
Glide crack activity up to size 2.5 has been reported recently in the Coquilhalla at treeline and below. Glide avalanches are hard to predict but often happen during periods of warm weather or when the sun is shining. Avoid riding in terrain below glide cracks, or below slopes comprised of smooth rock slabs. No other avalanche activity has been reported.
No new avalanches have been reported and none are expected.
Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Loose surface snow may be susceptible to sluffing on steep slopes (especially if there's a slippery sun crust below), but shouldn't be too destructive unless terrain traps are in the runout. Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes.
Surface snow has been sluffing readily with rider traffic on steep shady slopes (northerly facing) and strong solar radiation has resulted in afternoon snowballing and isolated small wet loose avalanches. Deep persistent slab avalanches remain possible with heavy triggers (like cornices) in shallow rocky snowpack areas on unsupported slopes.
Avalanches up to size 2.5 have been reported from the highways corridors in steep gullies in response to new snow that sluffs easily and is able to pick up mass in steep terrain. A recent large cornice release near Terrace did not release a slab on the slope below.
No new avalanches have been reported.
Some sloughing in steep terrain up to size 1.0 that are running fast in the combination of light new snow, large surface hoar, and near surface facets.
One size 2.0 explosive controlled release did release a piece of cornice that triggered the slope below down to the ground. One operator reported that a large natural ice fall released and did not trigger the slope below.
One size 2.5 natural dry slab avalanche was reported on a SE aspect at about 2400 metres elevation.
HSR sluffs in steep terrain all elevations.
Small loose snow or thin slabs are reported from steep terrain Tuesday. Only surface snow involved. Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Only small avalanches were observed, mostly loose snow in steep terrain (I'm guessing solar triggered) and small slabs lee of ridges (but these are likely a day or two old). Loose surface snow may be susceptible to sluffing on steep slopes but shouldn't be too destructive unless terrain traps are in the runout. Deep persistent slab avalanches remain possible with heavy triggers in shallow rocky snowpack areas on unsupported slopes.
Some sloughing in steep terrain up to size 1.0 that are running fast in the combination of light new snow, large surface hoar, and near surface facets. A few areas have reported pockets of soft slab that are reactive at treeline up to size 1.0
Natural ice fall and a natural cornice fall to size 2.5 were reported from the region. The cornice fall released a slab, but there was not much propagation.
Some sloughing on steep northerly aspects up to size 1.5 in the surface hoar/facet/light new snow combination. Some thin new windslabs have been skier controlled up to size 1.0
Surface snow has been sluffing readily with rider traffic on steep shady slopes (northerly facing) and strong solar radiation has resulted in afternoon snowballing and isolated small wet loose avalanches. Deep persistent slab avalanches remain possible with heavy triggers (like cornices) in shallow rocky snowpack areas on unsupported slopes.
No new avalanches have been reported.
A natural ice fall resulted in a size 2.5 avalanche
No new avalanches have been reported in this region recently.
No new avalanche activity has been reported.
No new avalanches to report.
No new avalanches have been reported.
No New avalanches observed.
Numerous loose sluffs from steep unskiable terrain.
Small loose snow or thin slabs are reported from steep terrain Tuesday & Wednesday. Only surface snow involved. Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Some sloughing in steep terrain up to size 1.0 that are running fast in the combination of light new snow, large surface hoar, and near surface facets. A few areas have reported pockets of soft slab that are reactive at treeline up to size 1.0
A couple of size 3.0 avalanches were reported from the northern Purcells, one that stepped down to the ground around midway down the path. The other avalanche was on a cross loaded slope at about 2100 metres. These were reported as recent, but I am not sure of the occurrence date.
Small loose snow or thin slabs are reported from steep terrain Tuesday & Wednesday. Only surface snow involved. Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Skiers and riders have triggered thin soft windslabs in the alpine up to size 1.0 . Natural ice fall and a natural cornice fall to size 2.5 were reported from the region. The cornice fall released a slab, but there was not much propagation.
Some sloughing on steep northerly aspects up to size 1.5 in the surface hoar/facet/light new snow combination. Thin new windslabs have been reactive on a variety of aspects. Natural ice falls and cornice falls continue to release up to size 2.5
A couple of thin (20-25cm) soft wind slab avalanches have been reported in the Kootenay Pass area. These avalanches were size 1.5 - 2.0 that ran on the recently buried surface hoar/facet combination.
Isolated very soft slabs to size 1 were reported in the Whistler area on Thursday.
No new avalanche activity has been reported.
Widespread skier-triggered sluffing was reported on Thursday.
A size 1 skier-triggered wind slab was observed on a northeast alpine feature on Wednesday.
No new avalanches have been reported.
Dropped a small section of cornice onto a ridge line loaded feature.  Triggered size 1 notable for only for being 10-15 cm deep but propagating over 50m down the ridge.
Loose dry sluffing up to size 1 with skier traffic in steeper terrain.  Evidence of a Skier accidental size 1 at 2800m on an NE aspect on Tent Ridge.  Slide was 10m wide, 30cm deep and ran 30m.  The slide occurred just below ridgeline in one of the large crossloaded bowls.
Widespread avalanche activity is expected on Friday night and throughout Saturday with forecast weather.
A few thin windslabs were triggered Thursday by skiers, but the bulk of the avalanche activity yesterday was limited to sluffing of the new snow.
A couple of size 3.0 avalanches were reported from the northern Purcells, one that stepped down to the ground around midway down the path. The other avalanche was on a cross loaded slope at about 2100 metres. These were reported as recent, but I am not sure of the occurrence date.  No new avalanche observations were reported Thursday.
Small loose snow or thin slabs were reported from steep terrain Tuesday & Wednesday. Only surface snow involved. Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
No recent avalanches have been reported from this region. Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Fairly widespread wind slab activity is expected with strong winds and moderate snowfall forecast for Friday night.
No new avalanche activity has been reported. Expect new wind slab avalanche activity with forecast weather on Friday night.
Surface sluffing in steep terrain was reported by many operators in the region on Thursday. Otherwise, no new avalanche activity to report.
No new avalanches have been reported.
Skiers and riders have triggered thin soft windslabs in the alpine up to size 1.0 . Natural ice fall and a natural cornice fall to size 2.5 were reported from the region. The cornice fall released a slab, but there was not much propagation.
Some sloughing on steep northerly aspects up to size 1.5 in the surface hoar/facet/light new snow combination. Thin new windslabs have been reactive on a variety of aspects. Natural ice falls and cornice falls continue to release up to size 2.5
Wind slab pockets could be triggered on convex rolls on Friday at higher elevations. Two size 2 human-triggered avalanches were been reported from Kootenay Pass on Wednesday/Thursday, initiating on a surface hoar layer down around 15 cm on north east facing slopes below treeline. Things are changing. Check out the forecaster blog for a discussion on scenarios that may play out as the current situation evolves.
Widespread avalanche activity up to size 2.5 was observed at all elevations and aspects on Saturday. There were two incidents reported. One involved a skier who triggered a slab avalanche in a closed area at one of the ski hills. The other involved a show shoer who was partially buried by an avalanche on the approach to Pump Peak. Although natural avalanche activity will diminishing
Activity continues to be limited to thin windslabs in wind exposed locations and sluffing in wind sheltered locales.
No new avalanche activity reported Thursday or Friday.
Isolated pockets of windslab were skier triggered up to size 1.5 on Saturday. Crowns were around 20 cm deep and they were triggered on northeast and east facing slopes at treeline and in the alpine. One remote triggered avalanche was reported on a southeast facing slope at 2000m where the avalanche was triggered from 10m away. Two cornice collapses were observed on north and northeast facing slopes. These pulled out small slabs on the slope below in the top 15-20 cm of snow.
No recent avalanches have been reported from this region. Deep persistent slab avalanches remain possible in isolated terrain features; i.e. heavy triggers in shallow rocky snowpack areas on unsupported slopes. Check out the Avalanche Image Gallery under the Library tab for some photos of last weekends deep persistent slab avalanche cycle.
Widespread natural, human triggered, and explosive triggered avalanche activity was observed in the Whistler area on Saturday. The avalanches were up to size 2 and occurred in response to Friday night's storm.
No new avalanche activity has been reported.
No new avalanche activity to report.
No new avalanches have been reported.
There are isolated reports of Skiers and riders have triggering thin soft windslabs in the alpine up to size 1.  New snow sluffing has also been reported.
Lot's of sluffing on all aspects to size 1.  Thin windslabs in wind exposed areas have been reactive to human triggering as well, producing avalanches to size 1.  An isolated natural avalanche was reported from a large S-SW alpine feature, triggered by intense solar radiation.
Snow amounts over the early Feb weak layer reached threshold in many places on Saturday. Natural avalanches were observed in the storm snow to size 1.5. Avalanche control at Kootenay Pass produced avalanches up to size 2 running on a crust buried around 35 cm below the surface.
No new observations
Widespread avalanche activity up to Size 2.5 was observed and reported on Saturday. There were several close calls with skiers losing equipment and one snowshoer being partially buried. Avalanche activity had diminished considerably by Sunday morning; however, it may still be possible to trigger avalanches in steep open terrain, especially on convex shaped or unsupported slopes.
Many areas have reported natural and easily triggered soft slab avalanches up to size 2. Most of these avalanches were 20-40cm deep and released on the Feb. 16 surface hoar layers, with some releasing on the Feb. 8 surface hoar/ facet/ sun crust interface. The size and likelihood of avalanches should continue to increase with continued incremental loading and particularly with any increase in winds.
On Saturday, small avalanches could be triggered in the top 20 cm of snow by ski cutting. As we get incremental amounts of new snow above this interface, we inch closer to the tipping point, when more widespread and dangerous avalanches start to occur. This concept is discussed in more detail in the latest Forecaster Blog post.
Widespread natural, human triggered, and explosive triggered avalanche activity was observed in the Whistler area on Saturday. The avalanches were up to size 2.5 and occurred in response to Friday night's storm. A size 2 skier-triggered slab avalanche occurred on a steep, lee alpine feature in the Spearhead Range on Sunday. My feeling is that isolated human-triggered avalanches up to size 2 will be possible at all elevation bands on Monday.
No new avalanche activity has been reported.
No new avalanches to report. Expect slab avalanche activity in response to weather forecast for Monday afternoon.
No new avalanches have been reported.
There is one new report of a Size 1 accidently triggered avalanche on a steep leeward (north) aspect in the alpine. Otherwise there have been no new reports.
Thin wind slabs and soft slabs are beginning to form and have been easily triggered by skiers up to Size 2, primarily in exposed leeward terrain. The size and likelihood of avalanches should continue to increase with incremental loading throughout the week. Loose snow avalanches up to Size 1.5 have also been reported out of steep terrain on all aspects.
Numerous Na sluffs up to size 1.5 from steep terrain, primarily on N and E asp at TL and ALP elevations. Sc produces small sluffs in steep terrain.
Isolated pockets of windslab were skier triggered up to size 1.5 on Saturday. Crowns were around 20 cm deep and they were triggered on northeast and east facing slopes at treeline and in the alpine. One remote triggered avalanche was reported on a southeast facing slope at 2000m where the avalanche was triggered from 10m away. Two cornice collapses were observed on north and northeast facing slopes. These pulled out small slabs on the slope below in the top 15-20 cm of snow. Check out the latest forecaster blog entry that discusses the "tipping point".
No recent avalanches have been reported from this region.
Snow amounts over the early Feb weak layer reached threshold in many places on Saturday. Natural avalanches were observed in the storm snow to size 1.5. Avalanche control at Kootenay Pass produced avalanches up to size 2 running on a crust buried around 35 cm below the surface. Read the forecaster blog for further discussion on reaching the "tipping point".
Num sluffs to size 1.5 from steep ALP terrain on N and E asp.Sev Na slabs up to size 2.,5 2200m to 2700m, mostly N and E asp. Suspect 120213 as failure plane.! size 2.0 slab triggered by skiers cutting out a chunk of cornice and rolling it down hill on SE asp at 2500m. Chunk rolled approx 100m and triggered a slab 45cm deep X 25m wide X 300m long.2 Sr size 2.0 and 1.5 reported yesterday in Hero's knob area from NE asp in ALP1 Sa size 1.0 reported yesterday from Hero's knob area in BTL terrain.
Isolated pockets of wind slab were skier triggered up to size 1.5 on Saturday. Crowns were around 20 cm deep and they were triggered on northeast and east facing slopes at treeline and in the alpine. One remote triggered avalanche was reported on a southeast facing slope at 2000m where the avalanche was triggered from 10m away. Two cornice collapses were observed on north and northeast facing slopes. These pulled out small slabs on the slope below in the top 15-20 cm of snow. Check out the latest forecaster blog entry that discusses the "tipping point".
Avalanche activity tapered off on Sunday with ski testing on steep convex rolls producing no results. We could see a spike in natural avalanche activity on Tuesday with heavy rain likely at all elevations.
Many areas have reported natural and easily triggered soft slab avalanches up to size 2.5. Most of these avalanches were 20-40cm deep and released on the Feb. 16 surface hoar layers, with some releasing on the Feb. 8 surface hoar/ facet/ sun crust interface. A few avalanches were triggered from a distance. The size and likelihood of avalanches should continue to increase with continued incremental loading and particularly with any increase in winds.
Numerous avalanches sized 1.5 were reported on Sunday at all elevations and focussed predominantly on easterly aspects. Remote-triggering was reported, where the avalanche was triggered from up to 100 m from where it initiated.
Most recent avalanche activity has been a size 2 natural that occurred on a NW aspect @ 1900m. The depth was 50-55cm, 70m wide and running on a buried facet layer. There was also a size 2 skier triggered avalanche in the Blackcomb backcountry (outside the ski area boundary). This was on a North aspect @ 2300m. No burials or injuries reported. Several small size 1-1.5 skier triggered slides have also been reported. I suspect there will be an increase in avalanche activity with the forecast wind and snow. It may be a good time to wait out the storms until the new snow has a chance to settle out and bond.
Coquilhalla Area: Skier triggered size 1 was reported. This occurred on an East aspect, @ 1845m. The crown was 20cm deep, and 10m wide. Another skier triggered avalanche size 1.5 occurred on a North aspect @ 1460m. This was below treeline in a gully feature. Both avalanches failed on the buried weak layer that exists below the new storm snow. No injuries reported.Duffy Lake area: On Saturday a size 2 rider triggered avalanche was reported, to see more details visit our incident report database:  http://www.avalanche.ca/cac/library/incident-report-database/view/ffa0801e-2d0e-48e8-b480-5b6068d5a8bb
Reports of natural sluffing on steep terrain features. One size 1 skier triggered avalanche was reported on Sunday. This occurred on a SW aspect @ 1800m from a convex , wind loaded feature. With forecast wind and snow, avalanche activity may increase.
No new avalanches have been reported.
There are several reports of natural and skier triggered avalanches up to Size 1.5. These avalanches occurred in wind affected terrain in the alpine, or on steep convex shaped features below treeline. The size and likelihood of avalanches will increase as the new snow settles into a more cohesive slab.
There are numerous reports of human triggered avalanches up to Size 2.5, primarily from wind affected terrain. Some were triggered from a distance. The size and likelihood of avalanches will continue to increase throughout the week.
Numerous size 1 and 2 avalanches have been reported from this region, running on a variety of aspects and elevations and with crowns up to 40 cm deep.
On Sunday, a size 2.5 avalanche was triggered remotely from 20m away. It ran on surface hoar buried 45cm below the surface on an east aspect at 2500 m. Elsewhere (and more typically), small avalanches could be triggered in the top 20 cm of snow by ski cutting. As we get incremental amounts of new snow above this interface, we inch closer to the tipping point, when more widespread and dangerous avalanches start to occur. This concept is discussed in more detail in the latest Forecaster Blog post.
There are no new reports of avalanches, however, some loose wet avalanche activity was likely on Tuesday. Avalanches are not expected on Wednesday or Thursday.
There are numerous reports of natural and easily triggered soft slab avalanches up to size 2.5 at all elevations. Most of these avalanches were 30-40cm deep and released on the Feb. 16 surface hoar layers, with some releasing on the Feb. 8 surface hoar/ facet/ sun crust interface. A few avalanches were triggered from a distance. An avalanche cycle is likely on Wednesday and it may be possible to trigger avalanches in surprisingly low angle terrain or from a distance.
On Tuesday, a size 1.5 skier-triggered avalanche was reported on a north aspect at 2400 m with a fracure depth of 45 cm. This avalanche, along with a number of similar naturally-triggered avalanches that also occurred, was triggered on a layer of surface hoar buried 45 cm deep. On Monday, natural and human triggered avalanches up to size 2 were reported from the Bugaboos, also running on a layer of surface hoar buried 20-60 cm deep. On Sunday, a size 2.5 avalanche was triggered remotely from 20m away. It too ran on surface hoar buried 45cm below the surface on an east aspect at 2500 m.
Human-triggered avalanches have been reported from this region up to size 2, running on surface hoar buried between 30-60 cm deep. Avalanches have been reported at a variety of elevations and mostly (but not exclusively) from north to east aspects.
A remote-triggered size 2.5 avalanche was reported from the Northern Elk Valley at 2350 m on Tuesday. The crown was 60-70cm deep and the avalanche initiated in wind slab overlying surface hoar. Numerous avalanches sized 1.5 were reported on Sunday (and likely Monday, although we didn't hear about them) at all elevations and focussed predominantly on easterly aspects. Remote-triggering was reported, where the avalanche was triggered from up to 100 m from where it initiated.
Reports of several natural size 1 soft slabs failing on lee features in alpine terrain. Several skier triggered size 1's have been reported on steeper North aspects near 1900m, crown depths 20cms with good propagation. I suspect there will be an increase in avalanche activity with the forecast wind and snow.
Coquilhalla Area: Several natural size 1 avalanches ran in the morning on steep solar aspects. On Sunday a skier triggered size 1 was reported. This occurred on an East aspect, @ 1845m. The crown was 20cm deep, and 10m wide. Another skier triggered avalanche size 1.5 occurred on a North aspect @ 1460m. This was below treeline in a gully feature. Both avalanches failed on the buried weak layer that exists below the new storm snow. No injuries reported. Duffy Lake area: Natural loose snow sluffiing within the new storm snow from steep terrain features.  Last Saturday a size 2 rider triggered avalanche was reported, to see more details visit our incident report database:  http://www.avalanche.ca/cac/library/incident-report-database/view/ffa0801e-2d0e-48e8-b480-5b6068d5a8bDanger ratings in the alpine and treeline are based on snowfall amounts of 10 or more cms, with strong winds. I expect the Duffy region to see less, therefore the danger ratings may be more Considerable.
One natural size 2.5-3 was reported from Mt. Rainy occurred in the evening with additional precipitation and warming. One size 1 skier triggered avalanche occurred on a SW aspect @ 1400m. Crown depth was 5-10cm, the width 20m, running 20m.This ran in the current storm snow. Reports of natural sluffing on steep terrain features. With forecast wind and snow, avalanche activity may increase.
No new avalanches have been reported.
There are several reports of natural and skier triggered avalanches up to Size 1.5. These avalanches occurred in wind affected terrain in the alpine, or on steep convex shaped features below treeline. The size and likelihood of avalanches will increase as the new snow settles into a more cohesive slab.
There are numerous reports of natural and easily triggered soft slab avalanches up to size 2.5 at all elevations. Most of these avalanches were 30-40cm deep and released on the Feb. 16 surface hoar layers, with some releasing on the Feb. 8 surface hoar/ facet/ sun crust interface. A few avalanches were triggered from a distance. An avalanche cycle is likely on Wednesday and it may be possible to trigger avalanches in surprisingly low angle terrain or from a distance.
A remote-triggered avalanche, where the slide was initiated from 20 m away from the skier, was triggered near Kootenay Pass. This avalanche ran on a north aspect at treeline and had a fracture depth of 40-60 cm. On Sunday, two remote-triggered avalanches were reported near Nelson on the lee side of wind rolls. The weak layer was surface hoar over a crust that was buried around 30 cm. Several other size 1.5 avalanches have been reported from the region running on the early February weak layer. Avalanches have been reported as propagating unusually far.
Few Na slabs up to size 2.0 in ALP on SE, E and NE asp.
A loose wet avalanche cycle was reported on Tuesday night. Strong westerly winds will create new wind slabs that may be susceptible to triggering.
It is likely that a large and widespread avalanche cycle occurred on Wednesday. This cycle should continue into Thursday with forecast strong winds. Previous reports include numerous natural avalanches up to Size 3 and several remotely triggered avalanches up to Size 2.5. Avalanches were reported at all elevations and on slopes as shallow as 25 degrees.
It is likely that a large natural avalanche cycle occurred in most areas on Wednesday. This avalanche cycle should continue into Thursday with forecast strong winds. Previous reports include numerous natural and easily triggered soft slab avalanches up to size 3.0 at all elevations. Many of these avalanches were triggered from a distance or in surprisingly low-angle terrain.
It is likely that a natural avalanche cycle occurred in parts of the Cariboos on Wednesday in response to additional snowfall and strong winds. Previous reports include several natural and skier triggered avalanches up to Size 2.0 These avalanches primarily occurred in wind affected terrain in the alpine, or on steep convex shaped features below treeline.
Skier triggered (controlled) produced slab avalanches up to size 1.5. on NW-NE aspects. Northerly aspects continue to load with moderate-strong West winds. Explosive control produced avalanches up to size 1.5 on NW-NE aspects @1800-2200m, slab depths 10-40cm. I suspect there will be an increase in avalanche activity with the forecast wind and snow.
Coquilhalla Area: Several natural size 2-2.5 slab avalanches occurred on West aspects. Crown depths being 50-100cm, and running 100m in distance. Skier triggered size 1.5 failed on the above mentioned graupel layer, @1650m on an East aspect, running 100m in length.
Natural avalanches up to size 2.5 have been reported on NE aspects at and above treeline. Widespread whumfing reported at all elevations.
A remote-triggered size 2.5 avalanche was reported from the Northern Elk Valley at 2350 m on Tuesday. The crown was 60-70cm deep and the avalanche initiated in wind slab overlying surface hoar. Numerous avalanches sized 1.5 were reported on Sunday (and likely Monday, although we didn't hear about them) at all elevations and focussed predominantly on easterly aspects. Remote-triggering was reported, where the avalanche was triggered from up to 100 m from where it initiated.
Reports across the region of widespread size 1-2 natural avalanche activity. Majority of aspects being NE-N. Many of these are reported as wind slabs releasing on buried crusts that formed mid February. In the Eastern area of the region a size 2.5 natural avalanche occurred on February 21st. This occurred on an East aspect @1700m, running 900m in length. Wind slab activity up to size 2 on Southerly aspects have also been reported. On February 20th a natural size 2.5-3 was reported from Mt. Rainy. With forecast wind and snow for Friday, I suspect avalanche activity to increase.
Recently submitted near Smithers, on Mt. Evelyn's South face was a size 3 slab that was skier triggered. This was on a SE aspect@ 1800m. The report indicates a wind loaded slope. For more details visit the link below. On Tuesday a size 2.5 and a size 2 natural slab avalanches were reported. These occurred in the western part of the region, on E-S aspects @ 1700, 1400m. The 2.5 ran 900m in distance. I'd be very cautious right now. With more snow and wind forecast, I suspect the mid-February buried surface hoar layers will become reactive creating dangerous avalanche conditions.  Please visit this link to view full details of an avalanche report submitted today.   http://www.avalanche.ca/cac/library/incident-report-database/view/360158b8-5627-4c4b-8726-c25bde927f18
Avalanches are becoming more frequent and larger. Remotely triggered avalanches continue to be reported. One avalanche was reported as being triggered from 70 metres away on terrain that was only about 20 degrees of slope.
We are getting reports of more frequent and larger avalanches that are running on the Feb. 8th crust and/or buried surface hoar. Avalanches up to size 3.0 were reported from the control work at Kootenay pass along the highway corridor. Remotely triggered avalanches continued to be reported. Strong winds are transporting snow into a slab above the weak layers
Size 1.5 Na observed on lee feature on Log Cabin, suspect small wind pocket from recent strong winds.  Size 2 Sc in Powder valley on a lee feature, crown 30cms.  Ran on Feb 21 SH Layer.  Wide propogation.
Numerous Na slabs up to size 2.0, mostly on N and E asp in ALP and TL.
No recent avalanches have been reported. Avalanche activity should increase on Friday with both natural and human triggered avalanches being likely.
A large natural avalanche cycle occurred on Wednesday. Slab avalanches were reported up to Size 3.5 on all aspects and at all elevations. There were also numerous reports of skier triggered and remotely triggered avalanches on a variety aspects. The potential for human triggered avalanches remains high in all terrain over 30 degrees.
A natural avalanche cycle occurred on Wednesday in most areas. Slab avalanches were reported up to Size 2.5 on all aspects and at all elevations. There were also several reports of skier triggered avalanches and remotely triggered avalanches up to Size 2.0, and a Size 2 snowmobile triggered avalanche near Blue River. The potential for triggering large avalanches will remain high throughout the forecast period.
A widespread and large natural avalanche cycle occurred on Wednesday. Slab avalanches were reported up to Size 3.5 on all aspects and at all elevations. There were also numerous reports of skier triggered avalanches and remotely triggered avalanches up to Size 2.5, and a report of a Size 2 snowmobile triggered avalanche near Blue River. The potential for triggering large avalanches will remain high throughout the forecast period.
Reports across the region of widespread size 1-2 natural avalanche activity. Majority of aspects being NE-N. Many of these are reported as wind slabs releasing on buried crusts that formed mid February. In the Eastern area of the region a size 2.5 natural avalanche occurred on February 21st. This occurred on an East aspect @1700m, running 900m in length. Wind slab activity up to size 2 on Southerly aspects have also been reported. On February 20th a natural size 2.5-3 was reported from Mt. Rainy. With forecast wind and snow for Friday, I suspect avalanche activity to increase.
There was a widespread avalanche cycle in the region on Wednesday. We have a report of a possible involvement from the First Peak area near Mt Jaffray. Three avalanches size 2.5 -3.0 that may have run at the same time as sympathetic releases at 1900 metres on South thru East aspects. I f you have any more information regarding this event, please fill in an avalanche incident report by going to http://www.avalanche.ca/cac/bulletins/incident-reports/submit or email us at forecaster@avalanche.ca
We have reports of numerous avalanches up to size 2.5 with crowns about 40-50 cm on N-NE aspects in the Corbin area of the Flathead.
The wind and new snow combined to overload the buried persistent weak layer (PWL) on Wednesday. Widespread avalanches were reported from may operators in the region. Some large avalanches up to size 3.5 were reported from the Bugaboo Range. Some avalanches released in very low angle terrain in cut blocks below treeline. A couple of slides released down to the basal facet layer near the ground. Natural avalanches are expected to be less frequent on Friday, but human triggering is expected to continue to be very likely from very light additional loads. Traveling near avalanche terrain may cause remotely triggered avalanches. Please look at the Special Avalanche Warning that was issued today.
Several size 2 skier triggered avalanches occurred on Northerly aspects above 1900m. One of these include a skier remote from 20m away, the propagation was surprisingly wider then expected. Wind slabs continue to build on Northerly aspects, they sit on weak facetted surfaces, and lower density snow. With new snow and strong winds I suspect wind slabs will continue to form, and storm snow instabilities to exist into Saturday.A Special Avalanche Warning has been issued for the South Coast Inland, and Interior regions. Keep yourself informed by reading the daily updated Avalanche Bulletins, the Special Warnings, and knowing the conditions in your "local" mountains.
Recently submitted near Smithers, on Mt. Evelyn's South face was a size 3 slab that was skier triggered. This was on a SE aspect@ 1800m. The report indicates a wind loaded slope. For more details visit the link below. On Tuesday a size 2.5 and a size 2 natural slab avalanches were reported. These occurred in the western part of the region, on E-S aspects @ 1700, 1400m. The 2.5 ran 900m in distance. I'd be very cautious right now. With more snow and wind forecast, I suspect the mid-February buried surface hoar layers will become reactive creating dangerous avalanche conditions.  Please visit this link to view full details of an avalanche report submitted today.     http://www.avalanche.ca/cac/library/incident-report-database/view/360158b8-5627-4c4b-8726-c25bde927f18
Coquilhalla Area: Several natural size 2-2.5 slab avalanches occurred on West aspects. Crown depths being 50-100cm, and running 100m in distance. Skier triggered size 1.5 failed on the above mentioned graupel layer, @1650m on an East aspect, running 100m in length.
We are getting reports of more frequent and larger avalanches that are running on the Feb. 8th crust and/or buried surface hoar. Avalanches up to size 3.0 were reported from the control work at Kootenay pass along the highway corridor. Remotely triggered avalanches continued to be reported.
Suprisingly little natural avalanche activity was observed on Thursday.  Many slopes look extremely loaded and are simply waiting for the right trigger.  Additional load from snowfall or winds will likely tips the scales and trigger a natural avalanche cycle.
Several day old avalanche cycle observed along highway corridor: Naturals up to size 2(D) 3(R) released from ridge top wind loaded features N-E aspects.
Lots of loose sluffing up to size 1 out of steep unskiable terrain.  1 Skier controlled avalanche sz 1 on an E aspect at 2200m.  Slab was 5m wide, ran 25m and failed on the 0213SH interface.
Natural avalanches up to size 3.0 and ridder triggered up to size 1.5 has been observed. these have been predominantly on north through east aspects at treeline and in the lower alpine.
Natural avalanches have become less frequent, but human triggered avalanches continue to release from light additional loads. Skier controlled avalanches up to size 2.0 were reported today to be easy to initiate in some areas and a bit more stubborn in others. The forecast new snow and wind may cause new windslabs that may overload the PWL in some areas.
The recent natural cycle is reported to have ended, but human triggering continues to be likely from light additional loads. Avalanches continue to be triggered remotely by large loads like helicopters landing on ridges adjacent to avalanche terrain. The wind and new snow combined to overload the buried persistent weak layer (PWL) on Wednesday. Widespread avalanches were reported from many operators in the region. Some large avalanches up to size 3.5 were reported from the Bugaboo Range. Some avalanches released in very low angle terrain in cut blocks below treeline. A couple of slides released down to the basal facet layer near the ground. Please look at the Special Avalanche Warning that was issued today.
The natural avalanche cycle on the persistent weak layer (PWL) that is buried down about 50 cm appears to be over, but human triggering continues to require only light additional loads. The new snow and wind may develop windslabs that overload the weak layer and cause another cycle in areas that did not recently slide. In some areas the new soft windslab may be enough to bury or injure a person. Avalanches that release on the PWL or step down to the PWL will be large and destructive.
Natural avalanches up to size 3.0 and rider tiggered up to size 2.0 have been reported in the past 24 hrs.
Natural avalanches up to size 3.0 and ridder triggered up to 1.5 have been observed.
The recent cycle of widespread natural avalanches running on the Feb 08 surface hoar is probably over. Explosive control and human triggering continue to produce avalanches on this persistent weak layer (PWL). The light new snow that is falling on Friday may be enough to cause some more natural activity on the PWL in areas that did not recently slide and have enough wind to develop a heavy windslab load. The new snow and wind may develop a soft surface slab that does not cause the PWL to fail , but may be large enough on their own to injure or bury a person. Avalanches that release on the PWL that is buried down about 70 cm have the potential to be very destructive.
Several size 2 natural and skier triggered avalanches occurred in wind loaded features in the last 24 hrs. Wind slabs continue to build on Northerly aspects and in places they sit on weak facetted surfaces and/or lower density snow. With new snow and strong winds I suspect wind slabs will continue to form, and storm snow instabilities to linger.A Special Avalanche Warning has been issued for the South Coast Inland, and Interior regions. Keep yourself informed by reading the daily updated Avalanche Bulletins, the Special Warnings, and knowing the conditions in your "local" mountains.
Old Na activity observed to size 2.0 (suspect 2 weeks old) of frequent flyer cross-loaded gullies from strong Westerly winds.  Of note is the surprising amount of debris from what seems to be relatively small start zones.  Appeared that these released under warm/moist conditions and entrained a significant amount of mass.
A widespread natural avalanche cycle occurred during the storm on Friday. Avalanches were reported up to Size 2.5 (60-75cm deep), primarily in wind loaded west-facing terrain. There were also numerous reports of easily triggered avalanches in relatively low angle terrain with very wide propagation. The potential for human triggered avalanches remains high on Saturday.
A large natural avalanche cycle occurred on Wednesday and Thursday. Slab avalanches were reported up to Size 3.5 on all aspects and at all elevations. There were also numerous reports of skier triggered and remotely triggered avalanches on a variety aspects. The potential for human triggered avalanches remains high in all terrain over 30 degrees and it may be possible to trigger an avalanche from the bottom of a slope.
A natural avalanche cycle occurred on Wednesday  and Thursday in most areas. Slab avalanches were reported up to Size 3 on all aspects and at all elevations. There were also several recent reports of skier triggered avalanches and remotely triggered avalanches up to Size 2.0, and a Size 2 snowmobile triggered avalanche near Blue River. The potential for triggering large avalanches will remain high throughout the forecast period.
A widespread and large natural avalanche cycle occurred on Wednesday and Thursday. Slab avalanches were reported up to Size 3.5 on all aspects and at all elevations. There were also numerous recent reports of skier triggered avalanches and remotely triggered avalanches up to Size 2.5, and a report of a Size 2 snowmobile triggered avalanche near Blue River. The potential for triggering large avalanches will remain high throughout the forecast period.
A widespread natural avalanche cycle occurred during the storm on Friday and Friday night. Avalanches were reported up to Size 2.5 (60-75cm deep), primarily in wind loaded west-facing terrain. There were also numerous reports of easily triggered avalanches in relatively low-angled terrain with very wide propagation. By Saturday the size and ease of triggering had gone down. Further human-triggered avalanches are possible in steep terrain or in areas with a variable depth of wind-loading.
A large natural avalanche cycle occurred on Wednesday, Thursday and Friday. Slab avalanches were reported up to Size 3.5 on all aspects and at all elevations. There were also numerous reports of skier triggered and remotely triggered avalanches on a variety of aspects. The potential for human triggered avalanches remains high and it may be possible to trigger an avalanche from the bottom of a slope.
Skier remote and skier accidental avalanches continued to be reported on Friday. I expect that the new snow was not enough to cause another round of natural activity on the Feb persistent weak layer (PWL), but human triggering continues to be likely from light additional loads. Avalanches that release on or step down to the PWL could be very large and destructive.
The new storm snow was very reactive releasing down 25-30 cm on a density change in the storm snow. Explosive releases were reported up to size 3.0 and natural avalanches up to size 2.0. The new snow and wind may develop windslabs that overload the weak layer and cause another cycle in areas that did not recently slide. Avalanches that release on the PWL or step down to the PWL will be large and destructive.
Natural avalanches have become less frequent, but human triggered avalanches continue to release from light additional loads. The forecast new snow and wind may cause new windslabs that may overload the PWL in some areas.
Many avalanches up to size 2.0 occurred in the last 24hrs, predominantly in wind loaded features. These include both natural and human triggering, with some events going remotely or sympathetic to other releases. Wind slabs continue to build on Northerly aspects. With continued snow and wind I expect wind slabs to grow and storm snow instabilities to linger.A Special Avalanche Warning has been issued for the South Coast Inland, NW and Interior regions. Keep yourself informed by reading the daily updated Avalanche Bulletins, the Special Warnings, and knowing the conditions in your "local" mountains.
We have reports of isolated natural avalanches up to size 2.5 from both the Duffey lakes and the Coquihalla areas predominantly on north aspects at or slightly above treeline. Numerous ridder triggered avalanches up to 1.5 have also been seen in the recent storm layers (top 30cm).
Natural avalanches up to size 2.0 and rider triggered up to size 1.0 have been reported in the past 24 hrs.
Natural avalanches up to size 2.0 and ridder triggered up to 1.5 have been observed.
A natural avalanche cycle occurred on Wednesday, Thursday and Friday in most areas. Slab avalanches were reported up to size 3 on all aspects and at all elevations. There were also several recent reports of skier triggered avalanches and remotely triggered avalanches up to size 2, and a size 2 snowmobile triggered avalanche near Blue River. The weight of a person will continue to have the potential to trigger large avalanches for the next couple of days.
A widespread and large natural avalanche cycle occurred from Wednesday to Friday. Slab avalanches were reported up to Size 3.5 on all aspects and at all elevations. There were also numerous recent reports of skier triggered avalanches and remotely triggered avalanches up to Size 2.5, and a report of a Size 2 snowmobile triggered avalanche near Blue River. The potential for triggering large avalanches will remain high throughout the forecast period.
The recent cycle of widespread natural avalanches running on the Feb 08 surface hoar is probably over. Explosive control and human triggering continue to produce avalanches on this persistent weak layer (PWL). The 30cm of light new snow may be enough to cause some more natural activity on the PWL in areas that did not recently slide and have enough wind to develop a heavy windslab load. The new snow and wind may develop a soft surface slab that does not cause the PWL to fail , but may be large enough on their own to injure or bury a person. Avalanches that release on the PWL that is buried down about 70 cm have the potential to be very destructive.
Very limited observations due to weather conditions. One Sr(25m) on E aspect at 2000m triggered from an uptrack.
Visibility was extremely limited - no new avalanches observed today. Several Na, Sa and Sr observed over past 3 days.
Skier remote and natural avalanches continued to be reported on Saturday. Small natural avalanches up to size 1.5 are releasing in the storm snow. I expect that the new snow was not enough to cause another round of natural activity on the Feb persistent weak layer (PWL), but human triggering continues to be likely from light additional loads. Avalanches that release on or step down to the PWL could be very large and destructive.
Widespread natural activity in the new storm snow up to size 3.0. No reports of avalanches releasing on the Feb PWL. I expect that we will see another natural cycle releasing down to the PWL as the storm snow settles into a slab.
Natural avalanches have become less frequent, but human triggered avalanches continue to release from light additional loads. The forecast new snow and wind may cause new windslabs that may overload the PWL in some areas.
We have reports of explosive and natural avalanches up to size 2.5, with the largest avalanches releasing on exposed north facing terrain. Rider triggered avalanches linger in the 1.0-1.5 size range.
We have reports of isolated explosive triggered avalanches up to size 2.5 in the Duffey area and natural releases up to size 2.0 throughout the entire region. Rider triggering to size 1.5 persists.
Many avalanches up to size 2.5 have been reported; both human and natural triggered. The smaller events released on storm interfaces while the bigger events went down to the February 09 facet/crust/surface hoar interface.
Natural avalanches to size 2.0 and rider triggered to 1.5 have been reported. In isolated areas with no wind effect, the new snow is sluffing.
Explosive control in the region on Saturday produced avalanches up size 2.5 in the 30 cm of storm snow. Some skier remote triggered avalanches failing on the persistent weak layer continue to be reported from the region. The 50 cm of storm snow as of Sunday may develop a soft surface slab that does not cause the PWL to fail , but may be large enough on their own to injure or bury a person. Avalanches that release on the PWL that is buried down about 100 cm have the potential to be very destructive.
A cycle of natural and human-triggered avalanches occurred on Friday and early Saturday in response to the storm. No further activity has been reported since Saturday morning.
Many large natural and human-triggered avalanches have been reported each day since Wednesday. Natural activity (up to size 3.5) spiked following the heaviest snowfalls on Tuesday night and Friday night. Skiers have been triggering avalanches (mostly size 1-2.5) accidentally and remotely. These are running on storm snow instabilities or persistent weaknesses in the upper snowpack. There have been some lucky escapes. Conditions will remain ripe for human-triggering after the more obvious signs of instability (like new snowfall, wind-loading and natural activity) die down.
An avalanche cycle which began on Wednesday has slowed slightly with time, but conditions remain touchy with natural, human and remotely-triggered avalanches in the size 1.5-3 range reported most days. These are running on storm snow weaknesses or on buried weak layers in the upper snowpack. As snowfall and wind-loading ease over the next few days, expect natural avalanches to decrease, but tricky and touchy conditions for human-triggering to continue.
Many large natural and human-triggered avalanches have been reported each day since Wednesday. Natural activity (up to size 3.5) spiked following the heaviest snowfalls on Tuesday night and Friday night. Skiers have been triggering avalanches (mostly size 1-2.5) accidentally and remotely from up to 100m away. These are running on storm snow instabilities or persistent weaknesses in the upper snowpack. There have been some close calls, partial burials and lucky escapes. Conditions will remain ripe for human-triggering after the more obvious signs of instability (like new snowfall, wind-loading and natural activity) die down.
Evidence of widespread Na and Nc cycle in past 12 to 48 hours up to size 2.5 on all asp and all elevations, with one size 3.0 observed on SE asp in ALP. All slides appeared to fail on 120213 SH or SC. Observed two Na on Commonwealth ridge, E asp, size 2.0 with tracks visible in on of the slides. Sev Sr(20m) in Burstall Pass from moderate terrain failing down 50 to 70cm on SH. One size 1.0 solar triggered slide, SW asp, 1700m on Mt Rundle.
A cycle of natural and human-triggered avalanches occurred on Friday and early Saturday in response to the storm. No further activity has been reported since Saturday morning.
Many large natural and human-triggered avalanches have been reported each day since Wednesday. Natural activity (up to size 3.5) spiked following the heaviest snowfalls on Tuesday night and Friday night. Skiers have been triggering avalanches (mostly size 1-2.5) accidentally and remotely. These are running on storm snow instabilities or persistent weaknesses in the upper snowpack. There have been some lucky escapes. Conditions will remain ripe for human-triggering after the more obvious signs of instability (like new snowfall, wind-loading and natural activity) die down.
No avalanche activity reported, but, I suspect there was a fair amount of activity Monday as the snowpack adjusted to it's new load.
An avalanche cycle which began on Wednesday has slowed slightly with time, but conditions remain touchy with natural, human and remotely-triggered avalanches in the size 1.5-3 range reported most days. These are running on storm snow weaknesses or on buried weak layers in the upper snowpack. As snowfall and wind-loading ease over the next few days, expect natural avalanches to decrease, but tricky and touchy conditions for human-triggering to continue.
Many large natural and human-triggered avalanches have been reported each day since Wednesday. Natural activity (up to size 3.5) spiked following the heaviest snowfalls on Tuesday night and Friday night. Skiers and machinery continue to trigger numerous avalanches (mostly size 1-2.5) accidentally and remotely on a variety of aspects and elevations. These are running on storm snow instabilities or persistent weaknesses in the upper snowpack. There have been some close calls, partial burials and lucky escapes. Conditions will remain ripe for human-triggering after the more obvious signs of instability (like new snowfall, wind-loading and natural activity) die down.
Skier remote, skier controlled and skier accidental avalanches were reported from all aspects and elevations Sunday.  The southern half of the region received a bit more snow Saturday night into Sunday which initiated a natural avalanche cycle producing avalanches to size 2.5.  Avalanches associated with this cycle were observed on SW, S & E aspects.  (I suspect all aspects were involved.)  In summary, large avalanches continue to be easily triggered by skiers & sledders.
Very widespread natural activity in the new storm snow up to size 3.5 was observed Monday.  Most of the activity was in the storm snow, but it sounds like the  mid February SH was involved in a few avalanches.
Fairly widespread natural cycle up to size 2.5 occurred through the weekend. Most elevations and aspects seemed to be ripe. Several heli remotes occurred during an operational bombing mission yesterday, up to size 2. These were on NE-SW-W aspects above 2200m. Crown depths 10-25cm, within the recent storm snow. Skier triggered avalanches up to size 2 have also been reported on northerly aspects. I suspect the natural activity will start to taper off, with the exemption of possible solar effect on southerly aspects. I do think avalanche conditions will remain touchy, and susceptible to rider triggers through the forecast period.
The Duffy Lake area saw widespread natural avalanche activity up to size 2.5 overnight Saturday 25th. Rider triggered avalanches are likely to continue on the Duffy. A size 2 skier triggered avalanche was reported Saturday the 25th from Chief Pascal. Please follow the link below to read the full incident report.                The Coquilhalla area saw a few natural avalanches up to size 2.5 on Sunday the 26th. Several human triggered avalanches have also occurred in the Coquihalla area. A size 2 on a East aspect @ 1670m, and several size 1 on South aspects at treeline and below. The Needles Peak area also saw several human triggered size 2 avalanches over the weekend. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Don't let the sunny skies, and other tracks fool you, and/ or lead you into a situation you won't be able to deal with. Rider triggered avalanches are likely. Please follow the link below to read the full details described in the incident report database.   http://www.avalanche.ca/cac/library/incident-report-database/view
Natural ice and cornice fall has been reported. The natural ice triggered a size 2.5 on a NE aspect, while the cornice fall triggered a size 3.5 which ran to valley bottom. Reports of large loose power sluffing, entraining significant amounts of recent storm snow on N-NE aspects. West aspects also producing loose sluffing up to size 2. Many avalanches up to size 2.5 have been reported; both human and natural triggered. The smaller events released on storm interfaces while the bigger events went down to the February 09 facet/crust/surface hoar interface.
Recent report of natural icefall occurred on the Loft Glacier, triggering a size 2.5 slab avalanche. Natural avalanches to size 2.0 and rider triggered to 1.5 have also been reported. Isolated areas with no wind effect, and steeper terrain features the new storm snow is sluffing.
Up to 50 cm of storm snow from the weekend has formed a soft slab that is reactive to human triggering.  Numerous avalanches were triggered by humans & explosives on Sunday, many natural avalanches were reported too.   These avalanches were as big as size 2.5 with crowns up to 100 cm in depth.  Avalanches triggered in the upper 50 cm could easily step down to the surface hoar layer producing large unmanageable avalanches.
West of Super Slope one size 2.5 Na on S asp, 2500m ran 3/4 path. Northover Ridge 2 slides, one Nc on E asp 2700m and one on W asp 2600m. Both were size 2.5 with suspected failure plane of 120213 SH and SC. Evidence of previous cycle up to size 3.0 on all asp and all elevations.
Numerous Natural, Explosive Controlled, Skier Controlled and Skier Remote avalanches to size 2.5 were reported on all aspects and elevations Monday, the majority of which failed on the Feb. 08 Surface Hoar.
On Sunday reports of large loose power sluffing, entraining significant amounts of recent storm snow on N-NE aspects up to size 2.5. Natural activity has seemed to taper off, but I suspect that conditions may still be ripe for rider triggers; especially wind loaded pockets and sheltered areas where buried SH layers may still linger.
A skier triggered size 2 avalanche occurred on Monday in the Smithers/Hankin area. The report indicates the slope was triggered while skiing over a convex feature in an open area within the trees. The skier went for a 20 m ride, and was buried chest deep. No injuries reported. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Don't let the sunny skies, and other tracks fool you, and/ or lead you into a situation you won't be able to deal with. Rider triggered avalanches are likely. Check out this link to view the incident report database:     http://www.avalanche.ca/cac/library/incident-report-database/view
Natural activity up to size 2.5 has been reported on S-SW aspects in exposed locations at treeline and above. This is due to northerly winds, causing reverse loading, and wind slab problems. Where it exists, the mid February interface continues to be reactive up to size 2.5; especially within treeline elevation bands. I suspect natural activity will taper off, but rider triggers are likely.  The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Don't let the sunny skies, and other tracks fool you, and/ or lead you into a situation you won't be able to deal with.  Visit the link below to check out the recent incidents in your area:     http://www.avalanche.ca/cac/library/incident-report-database/view
An avalanche cycle which began on Wednesday has slowed slightly with time, but conditions remain touchy with natural, human and remotely-triggered avalanches in the size 1.5-3 range reported most days. These are running on storm snow weaknesses or on buried weak layers in the upper snowpack. As snowfall and wind-loading ease over the next few days, expect natural avalanches to decrease, but tricky and touchy conditions for human-triggering to continue.
A widespread cycle of avalanche activity has not let up for the last 7 days. Natural activity (up to size 3.5) spiked following the heaviest snowfalls on Tuesday night and Friday night, and during solar warming on Monday. Destructive (up to size 3) avalanches are still being triggered remotely and accidentally by skiers and machinery, including a helicopter remotely triggering a size 3 slab from 700m away and skiers remotely triggering size 1.5-2 slabs from up to 100m away on Monday. These avalanches are failing on upper snowpack persistent weaknesses, on almost all aspects and elevations. Conditions are not expected to improve quickly.
A widespread cycle of avalanche activity has not let up for the last 7 days. Natural activity (up to size 3.5) spiked following the heaviest snowfalls on Tuesday night and Friday night, and during solar warming on Monday. Destructive (up to size 3) avalanches are still being triggered remotely and accidentally by skiers and machinery, including a snowmobile remotely triggering a size 2 slab from 100m below and a helicopter remotely triggering a size 3 slab, which ripped out multiple start zones and previously skied slopes, from 300m away. These are failing on upper snowpack persistent weaknesses, on almost all aspects and elevations. Conditions are not expected to improve quickly.
Very widespread natural activity in the new storm snow up to size 3.5 was observed Monday.  Most of the activity was in the storm snow, but it sounds like the  mid February SH was involved in a few avalanches too.
Lot's of activity to report from Monday:  Explosive work produced avalanches to size 3.5, running on the Feb. 08 surface hoar.  Two size 3 natural avalanches were reported too. (See the incident submission linked to this forecast, great photos.)   The sun is beginning to have an effect on S &W facing slopes, there were some reports of solar induced activity to size 2 Monday.  Loose snow avalanches running in the weekend snow continue to be observed.
No avalanche activity has been reported since Saturday morning, when the last major storm ended.
Our field team observed an avalanche failing on a steep bluff, the SH was assumed to be the weak layer.  No other reports of avalanches from this region, but that doesn't mean they aren't happening.  It's important to remember that this region is often quite data sparse.
Reports of natural activity seemed to dwindle on Monday. One natural size 2 occurred on a SW aspect @2400m. The crown was 40-50 cm deep, 40 m wide, and ran 300 m in length. Few, small size 1 skier triggered, and explosive triggered avalanches were reported on steeper, convex terrain features, and gully features.  With forecast snow and wind, I suspect avalanche conditions will remain touchy, and susceptible to rider triggers through the forecast period.
Avalanche activity slowed down significantly on Tuesday.  There were a few explosive released avalanches to size 2.5 as well as Several loose snow avalanches to size 1 on almost all aspects.
The majority of the activity yesterday was in the form of loose snow avalanches to size 1.5 in steep, open terrain.  Two size 2 - 2.5 avalanches were reported in the Bonnington range, on E & W aspects, both were remote triggered, failing on the Feb. 08 SH.
Avalanche activity dropped off a bit Tuesday, but there was still some action.  Explosive work produced a few avalanches to size 2.5 with crowns of 1 meter.
Numerous skier-triggered storm slabs of size 1-1.5 were reported on Wednesday. One avalanche released sympathetically on a lee-loaded west aspect.
Avalanche activity has begun to slow, with avalanche size and frequency decreasing. However, a number of avalanches are still being triggered remotely (from several hundred metres away) and accidentally by skiers and machinery. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Human-triggering of destructive avalanches remains a distinct possibility, while in-your-face clues of instability are diminishing.
Natural avalanche activity reports have tapered off. Sluffing is seen out of steep terrain, and small slabs rider triggered from convexities. On Tuesday extensive avalanche control work with the use of explosives was completed. Results included 1 size 3, @ 1320 m , on an East aspect, and numerous size 1-2 on East aspects between 12-1300 m. I suspect that conditions may still be ripe for rider triggers; especially wind loaded pockets and sheltered areas where buried SH layers may still linger. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions
A sled triggered size 2 avalanche occurred in the Telkwa Pass area on Monday. Reports indicate the elevation was near 1350 m, on a South aspect. The crown depth was 45 cm, 100 m wide, and ran 100 m down slope. One member of the party was buried up to his chest, but sustained no injuries. A skier triggered size 2 avalanche, also occurred on Monday in the Smithers/Hankin area. The report indicates the slope was triggered while skiing over a convex feature in an open area within the trees. The skier went for a 20 m ride, and was buried chest deep. No injuries reported. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Rider triggered avalanches are likely. Check out this link to view the incident report database:   http://www.avalanche.ca/cac/library/incident-report-database/view
The recent avalanche cycle, which included daily natural, human and remotely-triggered avalanches in the size 1.5-3 range, has slowed with time. While the likelihood of triggering has dropped, the potential consequences remain high due to the presence of persistent weak layers which can propagate widely and be triggered remotely, creating dangerous conditions.
Avalanche activity has begun to slow, with avalanche size and frequency decreasing. However, a number of avalanches are still being triggered remotely (from up to 700m away) and accidentally by skiers and machinery. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Human-triggering of destructive avalanches remains a distinct possibility, while in-your-face clues of instability are diminishing.
Reports of natural activity seemed to dwindle. Rider triggered avalanches are still occurring up to size 2. The reactive aspects mainly being N-NE, but some reports have included SE-SW, with elevation bands being 14-2000 m. The layers triggered are preserved stellars that seem to be down near 20cm, and the mid-February interface. With forecast snow and wind, avalanche conditions will remain touchy, and susceptible to rider triggers through the forecast period.
Our field team observed an avalanche failing on a steep bluff Tuesday, the SH was assumed to be the weak layer.  No other reports of avalanches from this region, but that doesn't mean they aren't happening.  It's important to remember that this region is often quite data sparse.
Reports of natural activity have started to taper off, but rider triggers are likely and still occurring. Numerous rider triggered avalanches up to size 2 have been reported in the Northern half of the region, where the Southern half has been quiet (maybe less people are out and about?). Rider triggered slides are on most aspects below 2000 m. The mid February interface is to blame for avalanche activity near treeline and below. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Don't let the sunny skies, and other tracks fool you, and/ or lead you into a situation you won't be able to deal with.  Visit the link below to check out the recent incidents in your area:     http://www.avalanche.ca/cac/library/incident-report-database/view
No new avalanche observations
Tent Bowl size 2.5 Na last 24 to 48hrs. Sa size 3.0 today in adjacent gully to Tent Bowl, E asp, 2500m. Snowboarder entered slope from top and immediately triggered a 25cm deep slab that flowed 1/3 path and then stepped down to basal FC/DH. No involvement. One size 2.0 on Hero's Knob, Na, 2300m, ran full path, suspect 120213 SH.
No avalanches were reported on Thursday. Numerous skier-triggered storm slabs of size 1-1.5 were reported on Wednesday. One avalanche released sympathetically on a lee-loaded west aspect.
Avalanche activity has begun to slow, with avalanche size and frequency decreasing. However, a number of avalanches are still being triggered remotely (from several hundred metres away) and accidentally by skiers and machinery. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Human-triggering of destructive avalanches remains a distinct possibility, while in-your-face clues of instability have diminished. Avalanche activity is likely to increase again this weekend with incoming weather.
Recent explosive control throughout the region produced results up to Size 2.5 on the mid-February persistent weakness. The 20-50cm slabs were very touchy with some wide propagations.
There was lots of sluffing in steep terrain on Thursday.  Control work produced one size 2 avalanche failing on the Feb. 08 SH.
Our field team remoted a size 2 avalanche from the flats Wednesday.  It's worth checking out the details of the incident report linked to this forecast as it illustrates just how tender the persistent slab problem is in the So. Rockies.  This incident likely foreshadows a very tricky weekend where avalanches will be larger and easier to trigger.
Avalanche activity has slowed down over the last two days, with only sporadic reports of avalanches. On Thursday, a cornice fall triggered a size 2 slab on a north aspect, which failed on the Feb 16. weakness. On Wednesday, numerous size 2-3 avalanches ran naturally, or with a remote trigger, on a variety of slopes. Most failed on an upper snowpack persistent weak layer. Natural avalanche activity is likely to increase again with this weekend's incoming weather.
Avalanche activity has begun to slow, with avalanche size and frequency decreasing. However, a number of avalanches are still being triggered remotely (from several hundred metres away) and accidentally by skiers and machinery. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Human-triggering of destructive avalanches remains a possibility, while in-your-face clues of instability have diminished. Natural avalanche activity is expected to increase again with incoming weather this weekend.
Recent reports include several natural and human triggered soft wind slab and small dry loose snow avalanches in involving the new snow and a recent storm snow weakness. The slabs are generally in the 20-40cm range with avalanches in the Size 1-1.5 range. One report includes skiers on top of a ridge remotely triggering numerous storm slabs up to Size 2 on steep slopes below.
Small size 1-1.5 natural avalanche activity occurred early Wednesday with arrival of new snow. Several reports of rider triggered size 1-2 avalanches occurred on Wednesday. They occurred on most aspects from 1500-2000m, the preserved stellar layer down 20-40 cm seemed to be the culprit. With forecast snow and wind, avalanche conditions will remain touchy, and susceptible to rider triggers through the forecast period.
Natural avalanches up to size 2.5 occurred Wednesday afternoon from mid-low elevation terrain. Sluffing is occurring from steep terrain. On Tuesday extensive avalanche control work with the use of explosives was completed. Results included 1 size 3, @ 1320 m , on an East aspect, and numerous size 1-2 on East aspects between 12-1300 m. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions
Recent avalanche activity consists of new, low density snow sluffing from steep terrain up to size 1.5. On Monday a sled triggered size 2 avalanche occurred in the Telkwa Pass area. Reports indicate the elevation was near 1350 m, on a South aspect. The crown depth was 45 cm, 100 m wide, and ran 100 m down slope. One member of the party was buried up to his chest, but sustained no injuries. A skier triggered size 2 avalanche, also occurred on Monday in the Smithers/Hankin area. The report indicates the slope was triggered while skiing over a convex feature in an open area within the trees. The skier went for a 20 m ride, and was buried chest deep. No injuries reported. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Rider triggered avalanches are likely. Check out this link to view the incident report database:   http://www.avalanche.ca/cac/library/incident-report-database/view
A a rider triggered size 2 avalanche occurred on the Duffy. The sliding layer being the aforementioned preserved stellaras that exist down 30 cm. The Coquihalla saw a brief natural solar induced cycle up to size 2, all slides stopping mid-track. As reports of natural activity have started to taper off, rider triggers are likely and still occurring. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. With forecast snow, wind and rising freezing levels, you can expect to see the danger ratings elevate over the weekend. Visit the link below to check out the recent incidents in your area:     http://www.avalanche.ca/cac/library/incident-report-database/view
1 Sz 1.5 Sa slab above TL (1050m) on S aspect.  FC on CR (120221) down 40.  Triggered from bellow in the previous 24 hrs.
No new observations on Friday due to obscured skies in afternoon.
Natural size 2.5, failing on mid Feb. SH in the north of the region.  A few different remote triggered avalanches to size 1.5 on steep south facing slopes in the south of the region.
A few noteworthy avalanches from yesterday.  A sled group triggered a size 2.5 below treeline near 1700m in a moderately angled cutblock.  Reports indicate a full burial.  In the Nelson backcounty a snowboarder triggered a size 2.5 avalanche BTL, 100cm in depth, 200m wide, running full path to the valley bottom.  Boarder was able to cut out of the slide and was unharmed.  Steep sluffing continued to be an issue at all elevations in steep terrain.
Recent avalanche activity consists of new, low density snow sluffing from steep terrain up to size 1.5. On Monday a sled triggered size 2 avalanche occurred in the Telkwa Pass area. Reports indicate the elevation was near 1350 m, on a South aspect. The crown depth was 45 cm, 100 m wide, and ran 100 m down slope. One member of the party was buried up to his chest, but sustained no injuries. A skier triggered size 2 avalanche, also occurred on Monday in the Smithers/Hankin area. The report indicates the slope was triggered while skiing over a convex feature in an open area within the trees. The skier went for a 20 m ride, and was buried chest deep. No injuries reported. The snowpack is very tricky at the moment. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. Rider triggered avalanches are likely. Check out this link to view the incident report database:   http://www.avalanche.ca/cac/library/incident-report-database/view
No avalanches have been reported since Wednesday. I expect to see avalanche activity increase again as stormy conditions prevail over the next few days.
Many avalanches have been triggered remotely (from several hundred metres away) and accidentally by skiers and machinery this week. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Natural avalanche activity is likely to increase again this weekend with incoming weather.
Several size 1.0 avalanches have been reported from the Duffey Lake area. As reports of natural activity have started to taper off, rider triggers are likely and still occurring. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions. With forecast snow, wind and rising freezing levels, you can expect to see the danger ratings elevate over the weekend.
A couple of size 1.0 avalanches were reported where the recent snow failed on a sun-crust. Natural avalanches up to size 2.5 occurred Wednesday afternoon from mid-low elevation terrain. Sluffing is occurring from steep terrain. Backcountry travel requires local knowledge, extensive experience and training. The obvious clues that show snowpack instability may not be there. You need to dig deep, do your detective work and make good decisions
Avalanche activity has slowed down over the last few days, with only sporadic reports of avalanches. However, these occurrences illustrate the unpredictable nature of persistent weak layers. On Friday, a skier triggered a size 2.5 slab very easily and very close to recent ski tracks, which failed on buried surface hoar. On Thursday, a cornice fall triggered a size 2 slab on a north aspect, which failed on the Feb 16. weakness. On Wednesday, numerous size 2-3 avalanches ran naturally, or with a remote trigger, on a variety of slopes. Most failed on an upper snowpack persistent weak layer. Natural avalanche activity is likely to increase again with this weekend's incoming weather.
Many avalanches have been triggered remotely (from several hundred metres away) and accidentally by skiers and machinery this week. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Natural avalanche activity is likely to increase again this weekend with incoming weather.
Sluff/very soft slab avalanches to size 1 were easily triggered by skiers on Thursday.
A few size 1.0 avalanches were reported from Thursday. One was reported to have failed on a crust on a southerly aspect. Several reports of rider triggered size 1-2 avalanches occurred on Wednesday.
No New avalanches were observed in the Powder Valley area.
Our field team remoted a size 2 avalanche from the flats Wednesday.  It's worth checking out the details of the incident report linked to this forecast as it illustrates just how tender the persistent slab problem is in the So. Rockies.  This incident likely foreshadows a very tricky weekend where avalanches will be larger and easier to trigger.
Very limited visibility, but 2 size 2.0 to 2.5 Na observed on the Goat Range on E asp at 2700m. Debris appeared dirty, so possibly these slides failed on ground.
No new avalanches to report from the Purcells but, visibility was super limited Saturday by all accounts.
Two significant human triggered avalanches occurred on Thursday, before we had much wind or significant warming. 1.  A group of sledders triggered a size 2.5 avalanche below treeline near 1700m in a moderately angled cutblock, resulting in a full burial.  That same day, a snowboarder in the Nelson backcounty triggered a size 3.0 avalanche below treeline, SE aspect, 84cm in depth, 400m wide, running full path to the valley bottom.  The snowboarder was able to cut out of the slide early and was unharmed.  On Friday a group remote triggered a size 2.5 avalanche from 30m away on a SE facing slope near 2000m in the Slocan.  The crown depth was 90cm, failing on the early Feb. SH.  Sluffing was less of an issue Friday as storm snow settled out a bit.
On Saturday, moist surface snow was reacting as small loose, wet avalanches in isolated areas.
A few cornice fall avalanches to size 1.5 were observed in the Fernie area Saturday.
As I write this, it's still too early for reports of storm-related avalanche activity, but I expect a natural cycle is well under way. Occurrences throughout the week illustrate the unpredictable nature of persistent weak layers in the upper snowpack. On Thursday, a skier triggered a size 2.5 slab very easily and very close to recent ski tracks, which failed on buried surface hoar. On Wednesday, a cornice fall triggered a size 2 slab on a north aspect, which failed on the Feb 16. weakness. On Tuesday, numerous size 2-3 avalanches ran naturally, or with a remote trigger, on a variety of slopes. Most failed on upper snowpack persistent weaknesses. These layers are touchy and are likely to fail under the new storm load, creating large or widely-propagating avalanches.
Many avalanches have been triggered remotely (from several hundred metres away) and accidentally by skiers and machinery this week. These avalanches are failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. While awaiting reports from the field on Saturday, I expect a natural cycle is well under way.
Many avalanches have been triggered remotely (from several hundred metres away) and accidentally by skiers and machinery this week. These avalanches were failing on upper snowpack persistent and storm snow weaknesses, on almost all aspects and elevations. Initial reports on Saturday indicate that a natural avalanche cycle has begun, with avalanches running near full-path and failing on a variety of aspects.
None observed
Some small size 1.0 avalanches were reported from Friday that released in thin soft windslabs on NE aspects.
A couple of glide slab avalanches were reported up to size 2.5 from steep rock faces that are not suitable for recreation. Some sloughing has been reported up to size 1.5 from lower elevation terrain. Observations have been limited due to poor visibility.
No new avalanches have been reported from the region. Persistent weak layers continue to be buried by incremental loads of new snow. The forecast storm for Tuesday may overload the weak layers that are down about 60cm.
Our field team remoted a size 2 avalanche from the flats Wednesday.  It's worth checking out the details of the incident report linked to this forecast as it illustrates just how tender the persistent slab problem is in the So. Rockies.  On Saturday a group of sledders remote triggered a size 1.5 avalanche which failed on the Feb.09 SH in the Coal Creek area on a North facing, 37 degree slope at 1600m.
Reports of a natural moist avalanche cycle in the Coquihalla up to size 3.0. There is a report of a possible avalanche involvement in the Cerise Creek area. If you have any more information, please email us at forecaster@avalanche.ca or fill in an online report at www.avalanche.ca
Visibility was very limited, but one size 2.0 Na slab on N asp at 2600m was observed at 10:30. It failed underneath a cornice, but the cornice was still intact, so suspect rapid wind loading was the trigger.
On Saturday, moist surface snow was reacting as small loose, wet avalanches in isolated areas.
A natural avalanche cycle began on Saturday in response to snow, wind and warming. Some operators reported numerous size 1-3 natural avalanches, starting in the alpine on all aspects. Skier-triggered slabs were also reported in the size 1-2 range, failing on storm snow weaknesses. Previously this week, many avalanches were triggered remotely (from several hundred metres away) and accidentally by skiers and machinery. These avalanches failed on upper snowpack persistent and storm snow weaknesses, on a variety of aspects and elevations.
Numerous natural avalanches to size 2 were reported from the Fernie on N, NE & E facing slopes Saturday, some triggered by cornice fall.  On Sunday a few naturals to size 1.5 were reported from steep headwalls.
Some small size 1.0 avalanches were reported that released in thin windslabs on NE aspects.
Reports of a natural moist avalanche cycle in the Coquihalla up to size 3.0 on Saturday. There was a skier accidental avalanche size 2.0 off Vantage Ridge in the Cerise Creek area on Saturday from a NE aspect at 2000 metres that failed down about 20-30 cm.
Some sloughing in steep terrain to size 1.5 and thin windslab releases mostly size 1.0
A natural avalanche cycle is under way, however poor weather is limiting observations. Natural, skier-remote and accidental avalanches were observed on Sunday to size 2. Avalanches reported throughout the week illustrate the unpredictable nature of persistent weak layers in the upper snowpack. On Thursday, a skier triggered a size 2.5 slab very easily and very close to recent ski tracks, which failed on buried surface hoar. On Wednesday, a cornice fall triggered a size 2 slab on a north aspect, which failed on the Feb 16. weakness. On Tuesday, numerous size 2-3 avalanches ran naturally, or with a remote trigger, on a variety of slopes. Most failed on upper snowpack persistent weaknesses. These layers are touchy and are likely to fail under the new storm load, creating large or widely-propagating avalanches.
A natural avalanche cycle began on Saturday in response to snow, wind and warming. Some operators reported numerous size 2-3.5 natural avalanches, starting in the alpine on all aspects. Skier-triggered slabs were also reported in the size 1-2 range, failing on storm snow weaknesses. Previously this week, many avalanches were triggered remotely (from several hundred metres away) and accidentally by skiers and machinery. These avalanches failed on upper snowpack persistent and storm snow weaknesses, on a variety of aspects and elevations.
Two significant human triggered avalanches occurred on Thursday, before we had much wind or significant warming. 1.  A group of sledders triggered a size 2.5 avalanche below treeline near 1700m in a moderately angled cutblock, resulting in a full burial.  That same day, a snowboarder in the Nelson backcounty triggered a size 3.0 avalanche below treeline, SE aspect, 84cm in depth, 400m wide, running full path to the valley bottom.  The snowboarder was able to cut out of the slide early and was unharmed.  On Friday a group remote triggered a size 2.5 avalanche from 30m away on a SE facing slope near 2000m in the Slocan.  The crown depth was 90cm, failing on the early Feb. SH.  On Saturday ski cutting produced numerous soft slabs with crowns 10 - 40 cm in depth.
Our field team remoted a size 2 avalanche from the flats Wednesday.  It's worth checking out the details of the incident report linked to this forecast as it illustrates just how tender the persistent slab problem is in the So. Rockies.  On Saturday a group of sledders remote triggered a size 1.5 avalanche which failed on the Feb.09 SH in the Coal Creek area on a North facing, 37 degree slope at 1600m.
No new avalanches have been reported from the region.
Control work in the Dogtooth range produced numerous slab avalanches to size 1, crowns 5 - 20cm in depth.  With all the new snow & wind I suspect there was some natural activity, although we probably won't know the extent of it until skies clear Tuesday.  There are two great observations from professionals working in the region recently.  The first one can be found on the MCR, it talks about the widespread & sensitive nature of the SH in the Northern Purcells.  You can start here and work your way into the March observations:http://www.acmg.ca/mcr/archives.aspThe other is in the form of a youtube video which also deals with the surface hoar, highlighting the potential for remote triggering and large propagations when this layer fails.  Check out the shooting cracks in the video.  Wild!:http://www.youtube.com/watch?v=UmSJkS3SSbA&feature=youtu.be
We received reports late in the day that indicate a large natural avalanche cycle was in progress Monday.  A sledder triggered a size 3 avalanche in the Quartz Creek area and while the machine is reportedly totaled, the rider is okay.  Control work in the Dogtooth's Sunday produced avalanches to size 2.5.  The buried surface hoar continued to preform, numerous soft slab avalanches were remoted by skiers to size 2.  One operation in the Northern Purcells reported an avalanche cycle involving wet snow at low elevations which produced avalanches to size 3.  In the southern portion of the region Natural and sled triggered avalanches to size 2.5 were reported. With all the new snow & wind I suspect there was widespread natural activity Monday.  Visibility was limited, so, we probably won't know the extent of the action until skies clear Tuesday.There are two great observations from professionals working in the region recently.  The first one can be found on the MCR, it talks about the widespread & sensitive nature of the SH in the Northern Purcells.  You can start here and work your way into the March observations: http://www.acmg.ca/mcr/archives.asp The other is in the form of a youtube video which also deals with the surface hoar, highlighting the potential for remote triggering and large propagations when this layer fails.  Check out the shooting cracks in the video.  Wild!: http://www.youtube.com/watch?v=UmSJkS3SSbA&feature=youtu.be One of our field tech's checked in after a personal hut trip in the Northern Purcells.  He reports a touchy surface hoar buried down 40cm below the snow surface (before the Sun/Mon. storm) which is consistent with observations from the region.
A couple of small size 1.0-1.5 thin slab avalanches were reported from Sunday. Some of the large rock slab features along the Coquihalla highway corridor were starting to slide; these are not in terrain suitable for recreation. I suspect that there will be reports of more activity as the storm clears and operators can see some alpine terrain.
Some natural activity was reported from Sunday to size 1.5 on steep solar aspects in the afternoon. A couple of natural dry slab avalanches were reported from the Bear Pass highway corridor that were up to size 2.5 and may have been cornice triggered. Also, a couple of skier controlled and one skier remote triggered avalanche were reported releasing in isolated windslab pockets that were about 30-40 cm deep.
On Sunday the wind, warmth and new snow came together to produce a natural avalanche cycle which averaged size 2, but did produce one size 3.  It sounds like a few avalanches stepped down to the Mid-Feb Surface Hoar.  The majority of the action involved more superficial soft slab avalanches with crowns 5 - 10 cm in depth.  The Bonningtons harbor a weaker snow structure than most of the region;  On Sunday cornice fall triggered a size 3 avalanche in low angle terrain (25 - 30 degrees)  This avalanche was on a N-NE facing slope, the crown line is reported to be 80 - 120 cm in depth.  Conditions Monday are very similar to Sunday and I expect natural avalanche activity to continue.
Reports from Sunday were limited to small avalanches size 1-1.5 from all aspects. I suspect that we will get some reports later today when the skies clear and visibility improves.
Operators have reported several size 1 rider triggered avalanches on W-N aspects; convex rolls, and steep slopes are prime suspects.
A natural avalanche cycle began on Saturday in response to snow, wind and warming. Operators are reporting numerous size 1-3.5 natural avalanches, starting in the alpine on all aspects. Skier-triggered slabs were also reported in the size 1-2 range, failing on storm snow weaknesses. Previously this week, many avalanches were triggered remotely (from several hundred metres away) and accidentally by skiers and machinery. These avalanches failed on upper snowpack persistent and storm snow weaknesses, on a variety of aspects and elevations.
A natural avalanche cycle is under way, however poor weather is limiting observations. Natural, skier-remote and accidental avalanches were observed on Sunday to size 2. Avalanches reported throughout the week illustrate the unpredictable nature of persistent weak layers in the upper snowpack. Most failed on upper snowpack persistent weaknesses. These layers are touchy and are likely to fail under the new storm load, creating large or widely-propagating avalanches.
A natural avalanche cycle began on Saturday in response to snow, wind and warming. Some operators reported numerous size 2-3.5 natural avalanches, starting in the alpine on all aspects. Skier-triggered slabs were also reported in the size 1-2 range, failing on storm snow weaknesses. Before the weekend,  many avalanches were triggered remotely (from several hundred metres away) and accidentally by riders and machinery. These avalanches failed on upper snowpack persistent and storm snow weaknesses, on a variety of aspects and elevations.
Visibility nil for most of the day but numerous large avalanches could be heard in the distance.
We have a report of a natural size 2.5 on a North aspect in "Big Simpsons Gulch" that ran from the crater lake ridge and triggered a size 2.0 on a ESE aspect lower down and then triggered a size 2.0 slab below the big cliffs. We are not sure how old this avalanche is, and believe that it was the result of a cornice fall.
There were reports of remote triggered avalanches in the Fernie area Monday failing on the early Feb. SH, resulting in size 1.5/size 2 avalanches.  Some pinwheeling was noted at lower elevations.
Our field team remoted a size 2 avalanche from the flats Wednesday.  It's worth checking out the details of the incident report linked to this forecast as it illustrates just how tender the persistent slab problem is in the So. Rockies.  On Saturday a group of sledders remote triggered a size 1.5 avalanche which failed on the Feb.09 SH in the Coal Creek area on a North facing, 37 degree slope at 1600m.
Widespread natural avalanche cycle Monday with storm, wind, and warm temperatures; size 3 avalanches common, some size 4 likely. Timber fell. Observations limited by clouds, fog, and snow in the air so we won't know the full extent of the cycle until Tuesday's reports are tallied. One remotely triggered avalanche triggered from 300m away caught my eye - it speaks to the propagation potential of the surface hoar now deeply buried. If this layer is triggered the avalanche will be big; this layer can be triggered from below so be mindful of overhead hazard. This layer will not go away in the next few days. Also, a sledder triggered a size 3 avalanche in the Quartz Creek area and while the machine is reportedly totaled, the rider is okay.There are two great observations from professionals working in the region recently.  The first one can be found on the MCR, it talks about the widespread & sensitive nature of the SH in the Northern Purcells.  You can start here and work your way into the March observations: http://www.acmg.ca/mcr/archives.asp The other is in the form of a youtube video which also deals with the surface hoar, highlighting the potential for remote triggering and large propagations when this layer fails.  Check out the shooting cracks in the video.  Wild!: http://www.youtube.com/watch?v=UmSJkS3SSbA&feature=youtu.be
Reports from Monday include numerous Size 1-2 explosive-triggered and slope-cut soft wind slab avalanches. One of the larger slope-cuts stepped down 60cm to an old buried wind slab, while another failed on a crust buried last week and propagated onto 15 degree terrain.  A brief period of strong solar radiation in the morning caused a couple of Size 3 loose snow avalanches on the Squamish-Cheakamus divide. These started off as surface sluffs and eventually entrained all of the recent storm snow on the entire slope and ran full path.
In the northern part of the region, recent slab avalanches reached Size 2.5 on southern aspects and Size 1.5 on all other aspects. They were mostly natural soft wind slabs on northerly aspects, but some were human triggered and suspected to have involved deeper persistent weaknesses from mid-February. In the Coquihalla Pass area recent heavy loading from snow and wind resulted in several Size 3-4 natural avalanches. Two Size 4 slab avalanches were observed on northwest through east aspects. One was a 5-10m thick slab and took out large swaths of mature forest in the runout, while the other was a relatively thin slab at 1-2m but propagated approximately 1.5 Km across a bowl.
There was very little avalanche activity reported on Monday, despite the strong solar radiation. Recent reports include several natural wind slab avalanches up to Size 2 on north through northeast aspects near ridge crests, with one Size 2.5 on a cross-loaded west aspect. Natural loose snow avalanches up to Size 1.5 were also observed in steep and confined terrain but they ran far.
Recent reports include evidence of a natural avalanche cycle that occurred during intense wind-loading on Sunday afternoon. This includes numerous natural cornice triggered slab avalanches up to Size 3, but mostly in the Size 1-2 range, as well as several Size 2 thin wind slabs. Slope cutting on Monday produced a Size 1-2 storm slab avalanche that failed on an old interface from late February.
Poor visibility most of the day limited observations. In the west side of the region reported avalanches were smaller and seem to be limited to the storm snow. In the east, where more storm snow fell avalanches were much larger. For example near Wyndell a large natural slide buried a sled access road near valley bottom. Some remotely triggered and accidentally triggered slides reported by skiers that were 70 to 100 cm deep. Neighbouring areas reported a widespread, large avalanche cycle and I'd be surprised if something similar didn't occur in the eastern part of the region. Looking forward I think we'll see some surprising avalanches triggered by warm temperatures & sun over the next few days as the snowpack slowly adjusts to this past storm.
Numerous natural soft slab avalanches to Size 3.5 over past 24 hours.  Typical fracture lines are 75 to 150 cm  deep.  Avalanche control via helicopter bombing produced numerous Size 2-3 slides with wide propagation and long run outs up to 1000 meters.  One natural Size 3 slide on Buller Mtn reached the road with deposits up to 1.5meters deep.
Preliminary reports Tuesday show Monday's natural avalanche cycle produced avalanches to size 3, starting in storm snow but stepping down to mid February surface hoar. Explosive control work Tuesday triggered up to size 3 as well
Operators have reported several size 1 rider triggered avalanches on W-N aspects; convex rolls, and steep slopes are prime suspects.
On Monday the region saw a widespread natural avalanche cycle in response to snow, wind and warming. Operators are reporting numerous size 1-3.5 natural avalanches, starting in the alpine on all aspects, and running full path. Rider triggered slabs were also reported in the size 1-2 range, failing on storm snow weaknesses. There are still reports of remotely triggered avalanches up to size 2.5 on suspected mid-February SH interface.
A widespread natural cycle occurred on Monday. Operators have reported naturals from size 1-3, on all aspects and elevations. Numerous skier triggered avalanches also occurred all size 1. I suspect conditions will still remain touchy, and unpredictable.
A natural avalanche cycle continued on Monday in response to snow, wind and warming. Some operators reported numerous size 2-3.5 natural avalanches, starting in the alpine on all aspects and elevations. Rider triggered slabs were also reported in the size 1-2 range, failing within storm snow weaknesses.
Tuesday reports are of solar triggered avalanches on sunny slopes (small and loose). Professionals were successfully & intentionally triggering small avalanches during control work in the new snow.
Observations were limited in the main forecast zone, but avalanche control on EEOR and the Big Sister produced results up to size 3.0 with many slides running full path with deep deposits.
We received an initial report of an avalanche fatality in the southern Pemberton Icecap area on Tuesday. So far we know that a single snowmobiler was buried and perished in a Size 3 avalanche. The avalanche occurred on an east aspect at approximately 1700m, the slab was estimated to be 1.5-2.0m thick and 400m wide and suspected to have stepped-down to the mid-February persistent weakness. We will provide more details as they come available.
No new avalanches were reported from the region on Wednesday. On Tuesday, avalanches from the west side of the region were smaller and seem to be limited to the storm snow. In the east, where more storm snow fell avalanches were much larger. For example near Wyndell a large natural slide buried a sled access road near valley bottom. Some remotely triggered and accidentally triggered slides reported by skiers that were 70 to 100 cm deep. Neighbouring areas reported a widespread, large avalanche cycle.
Recent reports include evidence of a natural avalanche cycle that occurred during intense wind-loading on Sunday afternoon. This includes numerous natural cornice triggered slab avalanches up to Size 3, but mostly in the Size 1-2 range, as well as several Size 2 thin wind slabs. Slope cutting on Monday produced a Size 1-2 storm slab avalanche that failed on an old interface from late February.
Tuesday's reports from Duffey Lake and Chilcotin areas suggest that a persistent facet/crust weakness is very touchy in treeline gullies and below treeline cutblocks. Several Size 2.0-2.5 persistent slabs, including multiple sympathetic releases, were skier-triggered in treeline features (gullies) and below treeline cutblocks. More reports of Mondays widespread avalanche cycle are coming in with loose snow and storm slab avalanches p to Size 3 observed on all aspects and at all elevations. In the Coquihalla area recent heavy loading from snow and wind resulted in several Size 3-4 natural avalanches. Two Size 4 slab avalanches were observed on northwest through east aspects. One was a 5-10m thick slab and took out large swaths of mature forest in the runout, while the other was a relatively thin slab at 1-2m but propagated approximately 1.5 Km across a bowl.
Recent reports include more evidence of a large natural cycle from earlier in the week, but natural slab activity seems to have tapered off for the time being with only isolated relatively small events observed yesterday. Two slope-cut slab avalanches on a convex roll sliding fast on surface hoar down 40-50cm. Other slope cuts triggered Size 1 wind slabs in the immediate lee of ridgecrests and exposed rolls and explosive control in the Shames area triggered Size 1.5 to 2.0, 20-50cm thick slabs on east aspects. Several small natural dry sluffs involving the recent storm snow and surface facets were reported as travelling a fair distance for their size.
On Wedesnday, winds blowing from the northwest overloaded slopes facing south and east. There were reports of natural avalanches up to size 2.5, explosive-triggered avalanches up to size 3 and one skier-triggered avalanche, which was a size 2. This continues the trend from a very active natural avalanche cycle that reached it's height on Monday and is ongoing. I've left the previous avalanche narrative in from Monday/Tuesday, since the snowpack is healing only slowly and this information is still pertinent. From Monday/Tuesday, Size 3 avalanches were common, with some size 4. Timber fell. Observations limited by clouds, fog, and snow in the air so we won't know the full extent of the cycle until Tuesday's reports are tallied. One remotely triggered avalanche triggered from 300m away caught my eye - it speaks to the propagation potential of the surface hoar now deeply buried. If this layer is triggered the avalanche will be big; this layer can be triggered from below so be mindful of overhead hazard. This layer will not go away in the next few days. Also, a sledder triggered a size 3 avalanche in the Quartz Creek area and while the machine is reportedly totaled, the rider is okay. There are two great observations from professionals working in the region recently.  The first one can be found on the MCR, it talks about the widespread & sensitive nature of the SH in the Northern Purcells.  You can start here and work your way into the March observations: http://www.acmg.ca/mcr/archives.asp The other is in the form of a youtube video which also deals with the surface hoar, highlighting the potential for remote triggering and large propagations when this layer fails.  Check out the shooting cracks in the video.  Wild!: http://www.youtube.com/watch?v=UmSJkS3SSbA&feature=youtu.be
A natural avalanche cycle continued on Monday in response to snow, wind and warming. Some operators reported numerous size 2-3.5 natural avalanches, starting in the alpine on all aspects and elevations. Rider triggered slabs were also reported in the size 1-2 range, failing within storm snow weaknesses.
On Monday/Tuesday the region saw a widespread natural avalanche cycle in response to snow, wind and warming. Operators are reporting numerous size 1-3.5 natural avalanches, starting in the alpine on all aspects, and running full path. Rider triggered slabs were also reported in the size 1-2 range, failing on storm snow weaknesses. There are still reports of remotely triggered avalanches up to size 2.5 on suspected mid-February SH interface. The region has seen a widespread cycle since last Saturday. With more snow and wind in the forecast the avalanche danger will elevate. This could be the story for all elevations.
A widespread natural cycle occurred on Monday, operators reported numerous size 2-3.5 natural avalanches, starting in the alpine on all aspects and most elevations.. A minor natural cycle up to size 3 in the Alpine occurred Tuesday. Rider triggered slabs were also reported in the size 1-2 range, failing within storm snow instabilities. I suspect conditions will still remain touchy, and unpredictable. With more forecast snow, wind and warming the avalanche danger will elevate.
No new avalanches reported.
From Wednesday: Several skier-triggered avalanches were reported on north to east aspects around treeline. One relatively small natural avalanche was reported on a northeast aspect at 1900 m. Avalanches up to size 2.5 could be triggered using explosives. From Tuesday: a widespread avalanche cycle occurred up to size 3 in response to storm snow, stepping down to the mid-February persistent weak layer in places.
On Wednesday, a size 2 avalanches was reported from around 2300 m in the South York Creek area on an east aspect. Limited amounts of sluffing from solar activity was also noted. On Tuesday there was a report of a snowmobile-triggered avalanche, details are limited at this time. On Tuesday, professionals were successfully & intentionally triggering small avalanches during control work in the new snow.
No new avalanches observed along the highway corridor.
Several new natural avalanches in alpine terrain up to size 3.0, mostly on N, E and SE aspects, and most running full path. Below treeline today two size 1.0 skier controlled avalanches were cut out by forecasters. These small slabs failed on the buried surface hoar down 50cm and occurred on N aspects at 1800m.
From Wednesday: Several skier-triggered avalanches were reported on north to east aspects around treeline. One relatively small natural avalanche was reported on a northeast aspect at 1900 m. Avalanches up to size 2.5 could be triggered using explosives. From Tuesday: a widespread avalanche cycle occurred up to size 3 in response to storm snow, stepping down to the mid-February persistent weak layer in places.
We received an initial report of an avalanche fatality in the Brandywine area on Tuesday. So far we know that a single snowmobiler was buried and perished in a Size 3 avalanche. The avalanche occurred on an east aspect at approximately 1700m, the slab was estimated to be 1.5-2.0m thick and 400m wide and suspected to have stepped-down to the mid-February persistent weakness. We will provide more details as they come available. More reports of last weekend's widespread large natural avalanche cycle are coming in with observations of Size 4.5 avalanches. Some of the larger slabs propagated 2-3Km along ridgelines and stepped down to the mid-February persistent weakness, and there's no reason why similar avalanches can't happen with this next round of loading.
Tuesday's reports from Duffey Lake and Chilcotin areas suggest that a persistent facet/crust weakness is very touchy in treeline gullies and below treeline cutblocks. Several Size 2.0-2.5 persistent slabs, including multiple sympathetic releases, were skier-triggered in treeline features (gullies) and below treeline cutblocks. More reports of last weekend's widespread large natural avalanche cycle are coming in with observations of Size 4.5 avalanches. Some of the larger slabs propagated 2-3Km along ridgelines and stepped down to the mid-February persistent weakness, and there's no reason why similar avalanches can't happen with this next round of loading.
Observations were limited on Wednesday, but reports suggest that a large natural avalanche cycle occurred in the Stewart and Bear Pass area, but the storm had yet to reach areas further south.
Observations from Wednesday are limited, but reports suggest that fresh wind slabs are touchy with a few small skier-triggered 10-40cm thick slabs on wind-exposed rolls treeline and below.
On Wednesday, a size 2 avalanche was reported from around 2300m in the South York Creek area on an east aspect. Limited amounts of sluffing from solar activity was also noted. On Tuesday a snowmobiler was buried in an avalanche below treeline in the Flathead: more details are here: http://avalanche.ca/Forums/forums/t/5550.aspx
No new avalanches reported.
None Observed
On Wednesday operators did full explosive testing and reported numerous large avalanches. This may indicate the triggering potential that lies ahead. The snowpack is susceptible to new storm slab, wind slabs, cornice fall, sled and skier triggers. The scary fact is the avalanche size. Even a small avalanche could step down and trigger a persistent weak layer, which in turn will create a large, destructive avalanche. Remote triggered avalanches (from afar) are still being reported up to size 2.5. Many skier triggered size 1-2 avalanches have also been reported. Monday/Tuesday the region saw a widespread natural avalanche cycle in response to snow, wind and warming. With more snow and wind in the forecast the avalanche danger will elevate.
On Wednesday a natural size 3.5 was reported including several size 2.5, that remotely (from afar) triggered low angle slopes. Operators did full explosive testing and reported numerous large avalanches. This could indicate the triggering potential that lies ahead. The persistent weakness is susceptible to new storm slab, wind slab, cornice fall, sled and skier triggers. The scary fact is the size of the avalanches. Even a small avalanche could step down and trigger a persistent weak layer, which in turn will create a large, destructive avalanche. Many rider triggered size 1-2 avalanches have also been reported. Monday/Tuesday the region saw a widespread natural avalanche cycle in response to snow, wind and warming. With more snow and wind in the forecast the avalanche danger will elevate.
On Wednesday a natural size 3.5 occurred, and several size 2.5, that remotely (from afar) triggered low angle slopes. Operators did full explosive testing and reported numerous large avalanches. This is an indicator of triggering potential that lies ahead. The buried persistent layer is susceptible to new storm slab, wind slab, cornice fall, sled and skier triggers. The scary fact is avalanche size. Even a small avalanche could step down and trigger a persistent weak layer, which in turn will create a large, destructive avalanche. Many skier triggered size 1-2 avalanches have also been reported. Monday/Tuesday the region saw a widespread natural avalanche cycle in response to snow, wind and warming. With more snow and wind in the forecast the avalanche danger will elevate.
On Wednesday a skier triggered a size 1.5 avalanche just north of the forecast region failing on the mid Feb surface hoar, down 70 cm below the snow surface.  No other significant avalanche observations were reported Wednesday, but, neighboring regions continue to report large natural and human triggered avalanches.  On Tuesday, avalanches from the west side of the region were smaller and seem to be limited to the storm snow. In the east, where more storm snow fell avalanches were much larger. For example near Wyndell a large natural slide buried a sled access road near valley bottom. Some remotely triggered and accidentally triggered slides reported by skiers that were 70 to 100 cm deep.
Natural activity up to size 2.5 continues.
No new avalanches reported.
There have been at least two close calls involving snowbobile-triggered avalanches in the region over the last couple of days, one of which was triggered from 200m away from below.  A size 2 natural avalanche was reported from Garibaldi Park at 1800m on a N aspect on Friday. There was an avalanche fatality in the Brandywine area on Tuesday. So far we know that a single snowmobiler was buried and perished in a Size 3 avalanche. The avalanche occurred on an east aspect at approximately 1700m, the slab was estimated to be 1.5-2.0m thick and 400m wide and suspected to have stepped-down to the mid-February persistent weakness. W. More reports of last weekend's widespread large natural avalanche cycle are coming in with observations of Size 4.5 avalanches. Some of the larger slabs propagated 2-3Km along ridgelines and stepped down to the mid-February persistent weakness, and there's no reason why similar avalanches can't happen with this next round of loading.
On Friday, the newly-forming storm snow could be easily triggered by ski-cutting at alpine elevations. On Thursday, widespread activity to size 2.5 was reported from the Coquihalla in response to warm temperatures. A size 2 avalanche was reported from Mt Rohr on a southerly aspect at 2000 m. Tuesday's reports from Duffey Lake and Chilcotin areas suggest that a persistent facet/crust weakness is very touchy in treeline gullies and below treeline cutblocks. Several Size 2.0-2.5 persistent slabs, including multiple sympathetic releases, were skier-triggered in treeline features (gullies) and below treeline cutblocks. More reports of last weekend's widespread large natural avalanche cycle are coming in with observations of Size 4.5 avalanches. Some of the larger slabs propagated 2-3Km along ridgelines and stepped down to the mid-February persistent weakness, and there's no reason why similar avalanches can't happen with this next round of loading.
1 Sc size 1 ssl on NE convex roll in the fraser chutes region, crown 20-30cms, 30m wide x 30m length.  Numerous size 1.5-2 Na on cross-loaded South Aspects above Byrant Lake.  A few Na to size 2.0 on steep N facing rolls Fraser Ridge.
On Friday, a natural avalanche cycle occurred up to size 3 in response to very warm temperatures and continued loading of exposed start zones by high winds. Over the past few days, there have been several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain.
Explosive control work produced spectacular results with avalanches to size 4 on all aspects.  Crowns varied in depth from 100 - 200cm.  Numerous natural avalanches were reported from size 1 - 3.  I found the following report particularly noteworthy:  A chunk of cornice fell from ridge top initially triggering a size 2 avalanche.  The avalanche ran 50m as a size 2 before stepping down & triggering a size 3 avalanche in lower angle terrain.  The crown was reported to be 200 cm in depth, failing on the Feb. 08 surface hoar.
A few skier-triggered size 1 avalanches were reported on Thursday running on the March 1st surface hoar layer. Storm snow avalanches up to size 3 were reported from the big terrain around Bear Pass. Otherwise, no new avalanches to report. This may speak more to the lack of observations than actual conditions. Expect further avalanche activity with weather forecast for Saturday.
Several natural avalanches were reported Thursday to size 3.  One noteworthy event was a size 2 avalanche that was triggered by cornice fall.  The size 2 ran 50m before triggering a size 3 avalanche in lower angle terrain.  The crown was reported to be 200cm in depth, failing on the Feb. 08 SH.  One reported avalanche was remote triggered from 20m away on a 35 degree slope.  Neighboring regions continue to report very large natural and human triggered avalanches.
Observations have been limited, but reports suggest that fresh wind slabs are touchy with a few small skier-triggered 10-40cm thick slabs on wind-exposed rolls at treeline and below.
Avalanche observations were very limited on Thursday; however, natural avalanches to size 2.5 were observed on Wednesday. It is suspected that cornice fall was the trigger for a size 3.5 slab on a west facing alpine feature. Several skier-triggered size 1.5 avalanches within the recent storm snow were also reported in the region. The possibility of deep and destructive avalanches will persist throughout the forecast period.
On Friday: Several natural avalanches occurred in the upper storm snow up to size 1.5 in response to warm temperatures. Most were wet loose avalanches, some were wet or moist slab avalanches. On Thursday, two avalanches were reported from near Fernie. One resulted in a partial burial. Details can be found in the incident database on this website. On Wednesday: Several skier-triggered avalanches were reported on north to east aspects around treeline. One relatively small natural avalanche was reported on a northeast aspect at 1900 m. Avalanches up to size 2.5 could be triggered using explosives. From Tuesday: a widespread avalanche cycle occurred up to size 3 in response to storm snow, stepping down to the mid-February persistent weak layer in places.
On Thursday natural avalanches to size 2.5 occurred. Continued avalanche control using explosives created numerous size 2.5-3 avalanches in the region while a few size 4 avalanches were also reported. Skier-triggered size 1-2 wind slab avalanches have also occurred. The possibility of large and destructive avalanches will persist throughout the forecast period.
A few solar triggered slides up to size 2.0 were observed on SE, S and SW aspects.
Avalanche observations really calmed down Friday, which is partially the result of poor visibility.  Nonetheless, there are a few interesting observations to report.  In the greater Revelstoke area two size 2.5 naturally triggered avalanches were observed on a West facing slope.  Just north of the forecast region a skier remote triggered a size 2.5 avalanche from 20m away on a low angle cross loaded slope just below tree line.I've left Friday's avalanche observations below, as they illustrate the nature of the current persistent slab hazard:From Friday:  Explosive control work produced spectacular results with avalanches to size 4 on all aspects.  Crowns varied in depth from 100 - 200cm.  Numerous natural avalanches were reported from size 1 - 3.  I found the following report particularly noteworthy:  A chunk of cornice fell from ridge top initially triggering a size 2 avalanche.  The avalanche ran 50m as a size 2 before stepping down & triggering a size 3 avalanche in lower angle terrain.  The crown was reported to be 200 cm in depth, failing on the Feb. 08 surface hoar.
No activity to report from Friday.  I've left the observations from Thursday below to shine some light on the sometimes spooky nature of the buried surface hoar problem:From Friday:Several natural avalanches were reported Thursday to size 3.  One noteworthy event was a size 2 avalanche that was triggered by cornice fall.  The size 2 ran 50m before triggering a size 3 avalanche in lower angle terrain.  The crown was reported to be 200cm in depth, failing on the Feb. 08 SH.  One reported avalanche was remote triggered from 20m away on a 35 degree slope.
A size 1.5 natural wind slab avalanche was reported on Friday on a cross-loaded slope at treeline. Storm snow avalanches up to size 3.5 were reported from the big terrain around Bear Pass. A few natural size 2 slab releases on the early February persistent weak layer interface were reported on Thursday. They occurred below treeline on steep, unsupported terrain.
Saturday's storm snow was reactive to explosives testing and ski testing, with results to size 1. A couple of natural size 1 wind slabs were also reported. At low elevations, loose, moist size 1 avalanches were running far and entraining mass as they traveled. By Sunday, new storm slab and wind slab problems are likely to have developed in response to the next storm pulse.
We didn't receive much in the way of avalanche observations Saturday as visibility was limited in the region.  The following observations are from Thursday/Friday:  In the dogtooth backcountry, observers reported a size 2.5 avalanche with a crown 1m+ in depth, that was likely human triggered.  Explosive control work once again produced large avalanches to size 3.5 on all aspects with crowns ranging from 40 - 120 in depth.
Observations have been limited, but reports suggest that fresh wind slabs are touchy with a few small skier-triggered 10-40cm thick slabs on wind-exposed rolls at treeline and below.
A widespread natural avalanche cycle occurred up to size 3 in response to very warm temperatures and loading of start zones by strong winds on Friday and Saturday. Over the past few days, there have been several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain. On Saturday, a snowmobiler was killed in an avalanche south-east of Sparwood. Details here: http://bit.ly/zMjK39
There have been at least two close calls involving snowmobile-triggered avalanches in the region over the last couple of days, one of which was triggered from 200m below the fracture line.  A size 2 natural avalanche was reported from Garibaldi Park at 1800m on a north aspect on Friday. There was an avalanche fatality at Grizzly Lake on Powder Mountain on Tuesday. The avalanche occurred on an east aspect near 2000m. The slab was 80cm-150cm thick and 525m wide and failed on the mid-February persistent weakness. More reports of last weekend's widespread large natural avalanche cycle are coming in with observations of size 4.5 avalanches. Some of the larger slabs propagated 2-3km along ridgelines and stepped down to the mid-February persistent weakness, and there's no reason why similar avalanches can't happen with this next round of loading.
On Friday, the newly-forming storm snow could be easily triggered by ski-cutting at alpine elevations. On Thursday, widespread activity to size 2.5 was reported from the Coquihalla in response to warm temperatures. A size 2 avalanche was reported from Mt Rohr on a southerly aspect at 2000 m. Tuesday's reports from Duffey Lake and Chilcotin areas suggest that a persistent facet/crust weakness is very touchy in treeline gullies and below treeline cutblocks. Several Size 2.0-2.5 persistent slabs, including multiple sympathetic releases, were skier-triggered in treeline features (gullies) and below treeline cutblocks. More reports of last weekend's widespread large natural avalanche cycle are coming in with observations of Size 4.5 avalanches. Some of the larger slabs propagated 2-3km along ridgelines and stepped down to the mid-February persistent weakness, and there's no reason why similar avalanches can't happen with this next round of loading.
Avalanche observations were extremely limited on Thursday and Friday; however, natural avalanches to size 2.5 were observed on Wednesday. On the same day, it was suspected that cornice fall was the trigger for a size 3.5 slab on a west facing alpine feature. Several skier-triggered size 1.5 avalanches within the recent storm snow were also reported in the region. Expect ongoing storm slab avalanches as well as deep persistent slab avalanches throughout the forecast period, especially with weather forecast for Sunday.
On Saturday: A skier was injured after triggering a large slab in steep terrain on Hosmer Ridge near Fernie. It failed on the mid-Feb weak layer about 1m deep. A widespread natural avalanche cycle also occurred in response to sun and warming. On Friday: Several natural avalanches occurred in the upper storm snow up to size 1.5 in response to warm temperatures. Most were wet loose avalanches, some were wet or moist slab avalanches. On Thursday: Two avalanches were reported near Fernie. One resulted in a partial burial. On Wednesday: Several skier-triggered avalanches were reported on north to east aspects around treeline. One relatively small natural avalanche was reported on a northeast aspect at 1900 m. Avalanches up to size 2.5 could be triggered using explosives. On Tuesday: a widespread avalanche cycle occurred up to size 3 in response to storm snow, stepping down to the mid-February persistent weak layer in places. Details of some of these events can be found in the incident database on this website.
A few skier-triggered and remotely triggered slabs to size 2 were reported on Friday. They occurred at treeline and it is thought that they ran on the early February surface hoar. A couple of size 2.5 naturals were also reported in the region. Natural cornice fall has also occurred. Expect continued storm slab and persistent slab avalanches with loading forecast for Saturday night and Sunday.
No new natural avalanche activity observed or reported on Sunday.  Skies were somewhat obscured along the divide at midday reducing visibility.
Low level cloud made for poor visibility Saturday, as a result, there isn't much to report in the way of avalanche activity.  Sluggish sluffing in the storm snow was observed in steep terrain on Saturday though.  I've left a few observations from the last 72 hours in place as they help to illustrate how tricky and destructive the Persistent Slab problem is. From Friday:  In the greater Revelstoke area two size 2.5 naturally triggered avalanches were observed on a West facing slope. Just north of the forecast region a skier remote triggered a size 2.5 avalanche from 20m away on a low angle cross loaded slope just below tree line.  From Thursday:  Explosive control work produced spectacular results with avalanches to size 4 on all aspects. Crowns varied in depth from 100 - 200cm. Numerous natural avalanches were reported from size 1 - 3. I found the following report particularly noteworthy: A chunk of cornice fell from ridge top initially triggering a size 2 avalanche. The avalanche ran 50m as a size 2 before stepping down & triggering a size 3 avalanche in lower angle terrain. The crown was reported to be 200 cm in depth, failing on the Feb. 08 surface hoar.
Limited visibility Saturday meant that we didn't see many avalanche observations.  It sounds like the new snow was susceptible to skier & sledder triggering on steep convex features, producing avalanches to size 1.  The following observations are from Thursday/Friday:  In the dogtooth backcountry, observers reported a size 2.5 avalanche with a crown 1m+ in depth, that was likely human triggered.  Explosive control work once again produced large avalanches to size 3.5 on all aspects with crowns ranging from 40 - 120 in depth.
Low level cloud made for poor visibility Saturday, as a result, there isn't much to report in the way of avalanche activity.  Sluggish sluffing in the storm snow was observed in steep terrain on Saturday though.From earlier in the week:Several natural avalanches were reported Thursday to size 3.  One noteworthy event was a size 2 avalanche that was triggered by cornice fall.  The size 2 ran 50m before triggering a size 3 avalanche in lower angle terrain.  The crown was reported to be 200cm in depth, failing on the Feb. 08 SH.  One reported avalanche was remote triggered from 20m away on a 35 degree slope.
A widespread natural avalanche cycle occurred up to size 3 in response to very warm temperatures and loading of start zones by strong winds on Friday and Saturday. Video footage here: http://bit.ly/yR4E8r . On Saturday, a snowmobiler was killed in a size 3 slab on a south-west aspect at treeline in the Corbin Creek area. Over the last week, there were several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain.
On Sunday, a few cornice-triggered avalanches were heard from steep terrain and skiers were able to trigger size 1 loose moist avalanches below treeline. Warming, wind-loading and cornice fall caused widespread natural avalanches on Thursday, Friday and Saturday, with touchy persistent weak layers increasing their size and consequence. A skier was injured on Saturday after triggering a large slab in steep terrain on Hosmer Ridge near Fernie. It failed on the mid-Feb weak layer about 1m deep. Every day of last week, avalanches were reported, including a partial burial and natural avalanches to size 3 which failed on the mid-Feb weakness.
It's been an active week for avalanche activity. Saturday's storm snow was triggered naturally, by skiers and by explosives to size 2 on a variety of slopes. Many occurred on wind-loaded north-east to north-west aspects. Two skier involvements were reported on north/north-west aspects at 2100m. Earlier in the week, snowmobilers remotely triggered avalanches from 200m below the fracture line. There was an avalanche fatality at Grizzly Lake on Powder Mountain on Tuesday involving a snowmobiler. The avalanche occurred on an east aspect near 2000m. The slab was 80cm-150cm thick and 525m wide and failed on the mid-February persistent weakness. An unnervingly large natural avalanche cycle occurred last weekend, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layer. Similar avalanches are possible as storm loading continues this week.
A few cornice-triggered and small skier-triggered slabs in the size 1-2 range have been reported since it began snowing on Friday. Earlier in the week, warming prompted a widespread natural cycle in the Coquihalla and skiers triggered very touchy persistent slabs at low elevations. An unnervingly large natural avalanche cycle occurred last weekend, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layer. Similar avalanches are possible as storm loading continues this week.
Saturday's storm snow was reactive to explosives testing and ski testing, with results to size 1. A couple of natural size 1 wind slabs were also reported. At low elevations, loose, moist size 1 avalanches were running far and entraining mass as they traveled. No reports came in on Sunday.
Due to limited visibility on Saturday, observations were limited; however, explosives control in the region produced numerous size 2-2.5 avalanches that ran on the early-February interface. Two natural avalanches (size 2 and 2.5) were also reported and are believed to have reacted on the same weakness. All of these large avalanches were at least a metre deep and ran on a variety of aspects.  Closer to the surface, numerous size 1.5 wind slab avalanches were triggered by ski cutting below ridge crests  I expect ongoing wind slab, storm slab and persistent avalanche activity with forecast weather.
Avalanche observations were extremely limited on Saturday as most operators observed but 5% of their terrain. Having said that, a skier accidental avalanche occurred at 1900m on a south/southeast slope. The crown was between 30 and 80cm and it was suspected to have reacted on the early February interface. I expect ongoing wind/storm slab and persistent slab activity with forecast weather.
A skier released a size 1 hangfire slab (overburden from a previous avalanche) in the northern part of the region. The avalanche occurred on a south aspect at 900m and is thought to have reacted on the early February interface.  No other avalanches were reported. Observations were most likely reduced by poor visibility.
No new avalanches to report. We'd love to hear about what you've seen in the field. Any observations can be sent to: forecaster@avalanche.ca.
Few naturally triggered sluffs up to size 2.0 in steep lee terrain at alpine and treeline elevations.
On Monday, a skier accidentally triggered a size 1.5 slab, and explosives triggered several size 1-2 slabs, failing in the storm snow. On Sunday, a few cornice-triggered avalanches were heard from steep terrain and skiers were able to trigger size 1 loose moist avalanches below treeline. Warming, wind-loading and cornice fall caused widespread natural avalanches on Thursday, Friday and Saturday, with touchy persistent weak layers increasing their size and consequence. A skier was injured on Saturday after triggering a large slab in steep terrain on Hosmer Ridge near Fernie. It failed on the mid-Feb weak layer about 1m deep. Every day of last week, avalanches were reported, including a partial burial and natural avalanches to size 3 which failed on the mid-Feb weakness.
On Monday, skiers triggered size 1-1.5 soft slabs in steep terrain.  A widespread natural avalanche cycle occurred up to size 3 in response to very warm temperatures and loading of start zones by strong winds on Friday and Saturday. Video footage here: http://bit.ly/yR4E8r . On Friday, a snowmobiler was killed in a size 3 slab on a south-west aspect at treeline in the Corbin Creek area. Over the last week, there were several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain.
A skier released a size 1 hangfire slab (overburden from a previous avalanche) in the northern part of the region on Sunday. The avalanche occurred on a south aspect at 900m and is thought to have reacted on the early February interface.  Most other relevant avalanche activity reported was from a natural storm cycle that occurred a few days ago.
A few cornice-triggered and small skier-triggered slabs in the size 1-2 range have been reported since it began snowing on Friday. Earlier in the week, warming prompted a widespread natural cycle in the Coquihalla and skiers triggered very touchy persistent slabs at low elevations. An unnervingly large natural avalanche cycle occurred last weekend, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layer. Similar avalanches are possible as storm loading continues this week.
It's been an active week for avalanche activity and a natural cycle is expected to continue through the early part of the week.  On Sunday, a size 3 step-down slab was triggered by a cornice on a north-west aspect, with a crown depth up to 1.5m. Explosives triggered several size 2 storm slabs on a variety of aspects. Many occurred on wind-loaded north-east to north-west aspects on Saturday. Two skier involvements were reported on north/north-west aspects at 2100m. Earlier in the week, snowmobilers remotely triggered avalanches from 200m below the fracture line. There was an avalanche fatality at Grizzly Lake on Powder Mountain on Tuesday involving a snowmobiler. The avalanche occurred on an east aspect near 2000m. The slab was 80cm-150cm thick and 525m wide and failed on the mid-February persistent weakness. An unnervingly large natural avalanche cycle occurred last weekend, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layer. Similar avalanches are possible as storm loading continues to overload deeper weaknesses this week.
No new avalanches to report. We'd love to hear about what you've seen in the field. Any observations can be sent to: forecaster@avalanche.ca.
Recent avalanche observations have been extremely limited . Having said that, a few recently formed storm slab avalanches (size 1.5-2) were ski cut on north aspects at treeline and below.  In the alpine a few natural avalanches to size 2.5 also occurred. I expect ongoing wind/storm slab and persistent slab activity with forecast weather.
Numerous avalanches are still being reported from the region. Many recently formed storm and wind slab avalanches (to size 2) are being triggered naturally or by ski cutting at all elevations and aspects. There have also been numerous reports of natural avalanches on various aspects to size 3.5 that are suspected to be reacting on the early February persistent weak layers
On Sunday two snowshoers were caught in an avalanche in the First Peak area of Mt. Seymour. Further details can be found in our avalanche incident database. Saturday's storm snow was reactive to explosives testing and ski testing, with results to size 1. A couple of natural size 1 wind slabs were also reported. At low elevations, loose, moist size 1 avalanches were running far and entraining mass as they traveled.
On Sunday, avalanches could be easily triggered in the new storm snow up to size 1.5. Sluggish sluffing in the storm snow was observed in steep terrain on Saturday.From earlier in the week:Several natural avalanches were reported Thursday to size 3.  One noteworthy event was a size 2 avalanche that was triggered by cornice fall.  The size 2 ran 50m before triggering a size 3 avalanche in lower angle terrain.  The crown was reported to be 200cm in depth, failing on the Feb. 08 SH.  One reported avalanche was remote triggered from 20m away on a 35 degree slope.
On Sunday a fatal avalanche incident south of Revelstoke occurred. The initial police report is here: http://revelstoke.rcmp.ca/ViewPage.action?siteNodeId=503&languageId=1&contentId=24477. We'll try to post more details as they become available. Other human-triggered avalanches were reported up to size 2 and natural avalanches were reported up to size 3 on a variety of aspects and elevations. This activity builds on a very active period of avalanche activity from the last week. Some events that illustrate the ongoing severe nature of the avalanche problem are included here: From Friday: In the greater Revelstoke area two size 2.5 naturally triggered avalanches were observed on a West facing slope. Just north of the forecast region a skier remote triggered a size 2.5 avalanche from 20m away on a low angle cross loaded slope just below tree line. From Thursday: Explosive control work produced spectacular results with avalanches to size 4 on all aspects. Crowns varied in depth from 100 - 200cm. Numerous natural avalanches were reported from size 1 - 3. I found the following report particularly noteworthy: A chunk of cornice fell from ridge top initially triggering a size 2 avalanche. The avalanche ran 50m as a size 2 before stepping down & triggering a size 3 avalanche in lower angle terrain. The crown was reported to be 200 cm in depth, failing on the Feb. 08 surface hoar.
On Monday, several size 2-2.5 slabs released naturally (likely from wind-loading), which are suspected to have failed on the mid-February persistent weakness.  A helicopter remotely triggered a size 1.5 slab, part of which stepped down to basal facets. A skier was also swept over a cliff in a size 1 slab which failed on the mid-Feb layer. On Sunday, a group of skiers triggered a size 3.5 slab 900m wide and 80-140cm deep on a north aspect in the southern Purcells. Late last week, large (size 2.5-3.5) human and explosive-triggered slabs were reported on all aspects, with crowns 40-120cm deep.
Visibility was extremely poor today, so observations are limited. Ski cutting was producing medium size sluffs in steep terrain below treeline.
On Monday, several natural avalanches were reported in the new snow up to size 2 on W and SW aspects at treeline and below treeline. On Sunday two snowshoers were caught in an avalanche in the First Peak area of Mt. Seymour. Further details can be found in our avalanche incident database. Saturday's storm snow was reactive naturally as well as to explosives testing and ski testing, with results to size Avalanche activity will once again ramp up during the significant storms that are forecast to arrive Wednesday and Thursday.
On Monday, many natural avalanches occurred on all elevations in the Selkirks. Most were in the alpine, but some were also reported from treeline and below treeline elevations. In many cases, the failure layer was the mid-February surface hoar layer. Typical size was size 2, but several size 3 avalanches and one size 3.5 avalanche was reported, that set off a number of sympathetic avalanches on nearby features. In the Monashees, less activity was noted, with wind slab pockets reactive to human triggers up to size 1.5.On Sunday a fatal avalanche incident south of Revelstoke occurred. The initial police report is here:http://revelstoke.rcmp.ca/ViewPage.action?siteNodeId=503&languageId=1&contentId=24477. We'll try to post more details as they become available. Other human-triggered avalanches were reported up to size 2 and natural avalanches were reported up to size 3 on a variety of aspects and elevations. Recent avalanche activity builds on what has been a very active period of avalanche activity since the beginning of March.
On Monday, several size 2-2.5 slabs released naturally (likely from wind-loading), which are suspected to have failed on the mid-February persistent weakness.  A helicopter remotely triggered a size 1.5 slab, part of which stepped down to basal facets. A skier was also swept over a cliff in a size 1 slab which failed on the mid-Feb layer. On Sunday, a group of skiers triggered a size 3.5 slab 900m wide and 80-140cm deep on a north aspect in the southern Purcells. Late last week, large (size 2.5-3.5) human and explosive-triggered slabs were reported on all aspects, with crowns 40-120cm deep.
Recently loaded wind pockets to size 1 were reportedly ski cut in the region. A size 1.5 cornice failure was also reported.
A few natural slab avalanches to size 2 occurred in response to recent wind loading in the north of the region. They occurred on steep, lee slopes behind ridges or cornices.
On Tuesday, several large (size 2.5) fracture lines in commonly skied areas at Kootenay Pass were observed following an intense wind event. On Monday, natural avalanches up to size 2 occurred in response to storm snow loading; ski-cutting to size 1.5 was also reported. This activity continues a very active period of avalanche activity that has been ongoing since early March.
Storm slabs were extremely touchy on Tuesday, with skiers very easily triggering slabs up to 30cm deep and a natural cycle occurring in the storm snow. On Monday, a skier accidentally triggered a size 1.5 slab, and explosives triggered several size 1-2 slabs, failing in the storm snow. On Sunday, a few cornice-triggered avalanches were heard from steep terrain and skiers were able to trigger size 1 loose moist avalanches below treeline. Warming, wind-loading and cornice fall caused widespread natural avalanches on Thursday, Friday and Saturday, with touchy persistent weak layers increasing their size and consequence. A skier was injured on Friday after triggering a size 3 slab in steep terrain nearby in the Flathead. It failed on the mid-Feb weak layer about 1m deep. Every day of last week, avalanches were reported, including a partial burial and natural avalanches to size 3 which failed on the mid-Feb weakness.
On Monday, skiers triggered size 1-1.5 soft slabs in steep terrain.  A widespread natural avalanche cycle occurred up to size 3 in response to very warm temperatures and loading of start zones by strong winds on Friday and Saturday. Video footage here: http://bit.ly/yR4E8r . On Friday, a snowmobiler was killed in a size 3 slab on a south-west aspect at treeline in the Corbin Creek area and a skier was injured in an avalanche in steep terrain in the Flathead Range. Over the last week, there were several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain.
It's been an active week for avalanche activity and the cycle is expected to continue.  On Monday, a skier was partially buried and two others escaped a size 2 slab on an east aspect at 1500m, which failed on a crust. Natural and skier-remote triggered avalanches to size 3 were also observed on a variety of aspects and elevations, some failing on the mid-February weakness. Crowns were up to 150cm deep. Every day of the last week, avalanches have been triggered either naturally, remotely or accidentally by backcountry travellers. Conditions are not expected to improve quickly.
On Monday, natural avalanches to size 2.5 were reported, some possibly triggered by cornice fall. Last week, warming prompted a widespread natural cycle in the Coquihalla and skiers triggered very touchy persistent slabs at low elevations. An unnervingly large natural avalanche cycle occurred at the start of this month, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layer. Similar avalanches remain possible as storm loading continues this week.
Recent avalanche observations have been fairly limited due to inclement weather. Having said that, explosives controlled and natural avalanches to size 2.5 were reported having reacted on a variety of aspects. Mostly storm instabilities were observed; however, in some cases avalanches stepped down to persistent weaknesses buried in early February. A size 3 cornice collapse was also reported from the region.
Many recently formed storm and wind slab avalanches (to size 2) are being triggered naturally or by ski cutting at all aspects and elevations. There have also been numerous reports of natural avalanches on various aspects to size 3.5 that are suspected to be reacting on the early February persistent weak layers
White Pass:  Old Avalanche observations noted from 120312 and 120313.  Numerous Na size1.5-2.0, directly below ridge line and cornices on N-NE aspects, TL elevation.  Suspect these ran from 120309-10, with many of these start zones appearing to be re-loaded.Wheaton Valley: A few point releases observed on steep S facing slopes to size 1.0.  Suspect running this afternoon.
Very limited visibility in the Smith-Dorrien area so no new observations.   Avalanche control work on the East End of Rundle produced several Size 2 soft slab releases which averaged approx 40cm in depth and did not run full path.
On Monday, several natural avalanches were reported in the new snow up to size 2 on W and SW aspects at treeline and below treeline. On Sunday two snowshoers were caught in an avalanche in the First Peak area of Mt. Seymour. Further details can be found in our avalanche incident database. Saturday's storm snow was reactive naturally as well as to explosives testing and ski testing, with results to size Avalanche activity will once again ramp up during the significant storms that are forecast to arrive Wednesday and Thursday.
On Tuesday, several large (size 2.5) fracture lines in commonly skied areas at Kootenay Pass were observed following an intense wind event. On Monday, natural avalanches up to size 2 occurred in response to storm snow loading; ski-cutting to size 1.5 was also reported. This activity continues a very active period of avalanche activity that has been ongoing since early March.
On Tuesday, a size 4 natural avalance occurred just to the north of the region initiating from an alpine start zone at 2500 m on a NE aspect. Experts considered this to be at least a 40 year event, and the slide pulled out mature timber. While not technically in the region, this event illustrates the magnitude of the avalanche problem in the region. On Monday, many natural avalanches occurred on all elevations in the Selkirks. Most were in the alpine, but some were also reported from treeline and below treeline elevations. In many cases, the failure layer was the mid-February surface hoar layer. Typical size was size 2, but several size 3 avalanches and one size 3.5 avalanche was reported, that set off a number of sympathetic avalanches on nearby features. In the Monashees, less activity was noted, with wind slab pockets reactive to human triggers up to size 1.5.On Sunday a fatal avalanche incident south of Revelstoke occurred. The initial police report is here:http://revelstoke.rcmp.ca/ViewPage.action?siteNodeId=503&languageId=1&contentId=24477. We'll try to post more details as they become available. Other human-triggered avalanches were reported up to size 2 and natural avalanches were reported up to size 3 on a variety of aspects and elevations. Recent avalanche activity builds on what has been a very active period of avalanche activity since the beginning of March.
On Tuesday reports of natural sluffing from steep terrain up to size 1.5. On Monday, natural avalanches to size 2.5 were reported, some possibly triggered by cornice fall. Last week, warming prompted a widespread natural cycle in the Coquihalla and skiers triggered very touchy persistent slabs at low elevations. An unnervingly large natural avalanche cycle occurred at the start of this month, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layer. Forecast heavy snow, and strong SW winds Thursday will elevate the danger ratings.
A size 3 natural cornice failure was observed in the region on Wednesday. A size 1 skier triggered soft wind slab was also reported.
On Tuesday a natural avalanche cycle occurred up to size 3 on N-NE aspects. Cornices reached their threshold and triggered slopes up to size 2.5 below.  On Monday, a skier was partially buried and two others escaped a size 2 slab on an east aspect at 1500m, which failed on a crust. Natural and skier-remote triggered avalanches to size 3 were also observed on a variety of aspects and elevations, some failing on the mid-February weakness. Crowns were up to 150cm deep. Every day of the last week, avalanches have been triggered either naturally, remotely or accidentally by backcountry travelers. With forecast heavy snow amounts, and strong winds, natural avalanche activity will continue. Thursday may be a good day to hunker down, or tear up your local ski resort!
Avalanche observations have been limited. There was, however, point release sluffing to size 2 in steep terrain in the north of the region on Tuesday.
Many recently formed storm and wind slab avalanches (to size 2) are being triggered naturally or by ski cutting at all aspects and elevations. There have also been numerous reports of natural avalanches on various aspects and elevations to size 3.5 that are suspected to be reacting on the early February persistent weak layers. I expect continued widespread avalanche activity with weather forecast for Thursday.
Storm slabs were extremely touchy on Tuesday, with skiers remotely triggering (up to 25 m away) size 2 avalanches. There was also a natural cycle occurring in the storm snow. Explosive control done triggered numerous size 2.5 on East-NE aspects. On Monday, a skier accidentally triggered a size 1.5 slab, and explosives triggered several size 1-2 slabs, failing in the storm snow. Warming, wind-loading and cornice fall caused widespread natural avalanches on Thursday, Friday and Saturday, with touchy persistent weak layers increasing their size and consequence. A skier was injured on Friday after triggering a size 3 slab in steep terrain nearby in the Flathead. It failed on the mid-Feb weak layer about 1m deep. Every day of last week, avalanches were reported.
Recent avalanche observations have been fairly limited due to inclement weather. Having said that, evidence of a widespread natural cycle to size 3.5 was observed on Wednesday. I expect ongoing natural avalanche activity with forecast weather on Thursday.
On Wednesday, a few natural avalanches size 2.5 were reported mainly on a NE aspect in alpine terrain. A size 2 avalanche was triggered remotely by a skier on a north aspect at 2000 m. On Tuesday, a size 3 avalanche occurred near Golden on an east aspect at 2300 m in response to intense wind loading. On Monday, several size 2-2.5 slabs released naturally (likely from wind-loading), which are suspected to have failed on the mid-February persistent weakness.  A helicopter remotely triggered a size 1.5 slab, part of which stepped down to basal facets. A skier was also swept over a cliff in a size 1 slab which failed on the mid-Feb layer. On Sunday, a group of skiers triggered a size 3.5 slab 900m wide and 80-140cm deep on a north aspect in the southern Purcells. Late last week, large (size 2.5-3.5) human and explosive-triggered slabs were reported on all aspects, with crowns 40-120cm deep.
On Tuesday explosive controlled avalanches up to size 1.5 were reported. On Monday, skiers triggered size 1-1.5 soft slabs in steep terrain.  A widespread natural avalanche cycle occurred up to size 3 in response to very warm temperatures and loading of start zones by strong winds on Friday and Saturday. Video footage here: http://bit.ly/yR4E8r . On Friday, a snowmobiler was killed in a size 3 slab on a south-west aspect at treeline in the Corbin Creek area and a skier was injured in an avalanche in steep terrain in the Flathead Range. Over the last week, there were several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain. With forecast snow, wind and warming; I expect the region will see another natural avalanche cycle.
All regions: numerous loose snow avalanches from storm cycle.  Isolated storm slab avalanches up to size 2 on S aspects, triggered by loose snow from above. Isolated ridge line windslab avalanches, size 2 on N, NE aspects.  Costal: White Pass East: One deep slap avalanche, size 3 (start zone: 500m wide 200m long, ran 800m crown 80cm deep) ran on 120201 SH on steep N aspect (35-45degrees)  Suspect triggered at ridge line by cornice fall likely during the storm cycle Friday.  Numerous recent snow mobile tracks in the immediate vicinity, high marking up adjacent to start zone  without issue
No new observations due to limited visibility.
On Wednesday, ski cutting and explosive testing produced avalanches up to size 2.5 on a variety of aspects. Just to the north of the region, a vehicle triggered a size 2.5 avalanche in the recent storm snow. On Tuesday, several large (size 2.5) fracture lines in commonly skied areas at Kootenay Pass were observed following an intense wind event. On Monday, natural avalanches up to size 2 occurred in response to storm snow loading; ski-cutting to size 1.5 was also reported. This activity continues a very active period of avalanche activity that has been ongoing since early March.
Many recently formed storm and wind slab avalanches (to size 2) are being triggered naturally or by ski cutting at all aspects and elevations. There have also been numerous reports of natural avalanches on various aspects and elevations to size 3.5 that are suspected to be reacting on the early February persistent weak layers. There was a size 4.0 natural avalanche along the highway corridor on Wednesday. Reports are identifying that it was the largest avalanche from that path in about 40 years. Possible solar radiation over the next few days may cause another round of natural activity.
Very large natural avalanches continued to be reported from Wednesday on a variety of aspects in the alpine; a size 4 natural avalanche occurred just to the north of the region initiating from an alpine start zone at 2500 m on a NE aspect. Experts considered this to be at least a 40 year event, and the slide pulled out mature timber. While not technically in the region, this event illustrates the magnitude of the avalanche problem in the region. On Monday, many natural avalanches occurred on all elevations in the Selkirks. Most were in the alpine, but some were also reported from treeline and below treeline elevations. In many cases, the failure layer was the mid-February surface hoar layer. Typical size was size 2, but several size 3 avalanches and one size 3.5 avalanche was reported, that set off a number of sympathetic avalanches on nearby features. In the Monashees, less activity was noted, with wind slab pockets reactive to human triggers up to size 1.5.
On Thursday, a widespread loose wet natural cycle occurred up to size 1.5 below 1600 m. Explosives control produced several 1.5-2 slab avalanches on all aspects, from 1700-2000 m. Storm slabs were extremely touchy on Tuesday, with skiers remotely triggering (up to 25 m away) size 2 avalanches. There was also a natural cycle occurring in the storm snow. Explosive control done triggered numerous size 2.5 on East-NE aspects. On Monday, a skier accidentally triggered a size 1.5 slab, and explosives triggered several size 1-2 slabs, failing in the storm snow.  A skier was injured on Friday after triggering a size 3 slab in steep terrain nearby in the Flathead. It failed on the mid-Feb weak layer about 1m deep. Every day of last week, avalanches were reported. Continued unsettled weather conditions with a convective manner may produce higher snow accumulations then expected. If solar radiation comes into play, avalanche danger will elevate.
Only audible avalanche activity reported from upper elevations in the Crowsnest North. In the Lizard Range loose wet avalanche activity occurred on all aspects below 1600 m. This may have also occurred in areas of the S. Rockies. On Tuesday explosive controlled avalanches up to size 1.5 were reported. On Monday, skiers triggered size 1-1.5 soft slabs in steep terrain.  A widespread natural avalanche cycle occurred up to size 3 in response to very warm temperatures and loading of start zones by strong winds last Friday and Saturday. Video footage here: http://bit.ly/yR4E8r . Last Friday, a snowmobiler was killed in a size 3 slab on a south-west aspect at treeline in the Corbin Creek area and a skier was injured in an avalanche in steep terrain in the Flathead Range. Over the last week, there were several reports from in or near the region of near misses, including a snowmobiler who triggered an avalanche and was buried for around 30 minutes, remote-triggered avalanches, and slab avalanches running into unusually low-angled terrain. With forecast snow, wind and warming; I expect the region will see another natural avalanche cycle. Conditions continue to remain tricky to predict, and manage. Large avalanches are still possible due to buried weak layers. Expect avalanche danger to elevate with unsettled weather conditions, and possible solar radiation, which will deteriorate the upper snowpack.
On Tuesday a natural avalanche cycle occurred up to size 3 on N-NE aspects. Cornices reached their threshold and triggered slopes up to size 2.5 below. On Monday, a skier was partially buried and two others escaped a size 2 slab on an east aspect at 1500m, which failed on a crust. Natural and skier-remote triggered avalanches to size 3 were also observed on a variety of aspects and elevations, some failing on the mid-February weakness. Crowns were up to 150cm deep. Every day of the last week, avalanches have been triggered either naturally, remotely or accidentally by backcountry travelers. Unsettled weather conditions continue. It may take several days for all this new storm snow to settle out. If the sun shines through in your local mountains; expect strong solar radiation, snowpack deterioration, and elevated avalanche danger.
Avalanches continue to be reported from various aspects and all elevations. Large avalanches are reported from explosive control work in the west and north of the region where the snowpack is a bit deeper. A skier remotely triggered a size 3.0 avalanche from about 50 metres away on Wednesday in Canyon Creek. The slide was reported to be from a west aspect below treeline at about 2000 metres. Expect natural and easily triggered avalanches to continue. If the sun comes out, expect natural activity in the storm slab that may step down to the PWL once it is in motion.
Thursday the Coquihalla saw a widespread natural wet avalanche cycle between 1400-1700 m. Most slides were point releases, entraining mass from the recent storm snow, up to size 2.5. A couple avalanches were slabs with crown depths down 50-60 cm. This cycle occurred on all aspects, with no step down releases on lower weak layers. On Wednesday natural sluffing from steep terrain, and skier triggered pockets at treeline and below were reported. I suspect more natural activity occurring in the alpine with the new snow and cranking SW winds.  Last week, warming prompted a widespread natural cycle in the Coquihalla and skiers triggered very touchy persistent slabs at low elevations. An unnervingly large natural avalanche cycle occurred at the start of this month, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layers.
On Thursday numerous natural loose wet avalanches size 1.5 were reported. Two skier triggered size 2 loose wet slides occurred, running far on SE aspects. Explosive triggered size 1-2, mainly on West aspects. Thursday was a fairly active day for natural and human triggered avalanches. Last Monday, several natural avalanches were reported in the new snow up to size 2 on W and SW aspects at treeline and below treeline. Last Sunday two snowshoers were caught in an avalanche in the First Peak area of Mt. Seymour. Further details can be found in our avalanche incident database.
A size 3 natural cornice failure was observed in the region on Wednesday. Recent heli bombing in the northern part of the region produced mostly thin soft slab avalanches to size 2 that formed due to recent wind loading. With continued wind and snow throughout Thursday, I expect continued wind slab avalanche activity in the alpine and at treeline.
Sluffing in steep terrain was observed on Wednesday. Observations from the region have been very limited.
Recent avalanche observations have been fairly limited due to inclement weather. Having said that, evidence of a widespread natural cycle to size 3.5 was observed on Wednesday. I expect ongoing natural avalanche activity throughout the forecast period, especially with forecast increasing solar radiation.
Size 3.0 Na on NE aspect, 1500m on Feb 21 SH.  80cmsx300mx700m.  This layer was likely triggered from a Na Hard wind slab, size 2.0 that released further up in start zone (directly below ridgeline) and stepped-down to the SH layer.
No new observations due to limited visibility.
Another natural size 4.0 avalanche was reported from the region that may have released on a weak layer of basal facets, or scoured down to the ground once it was in motion. There were also natural size 3.0 avalanches on various aspects in the alpine. Skier controlled avalanches up to size 2.5 were reported, and a couple of skier accidental size 1.0 were also reported.
One natural size 2.0 was reported from 1800 metres on a SE aspect that was 50 cm deep on Thursday. Earlier in the week natural avalanches and natural cornice falls up to size 3.5 were reported.
Many large avalanches have been reported over the last few days. Some avalanches have been or have been close to historically record size. Size 3.0 avalanches are occurring regularly, and size 4.0 avalanches are occurring daily. Smaller avalanches are also being reported from skiers controlling soft slabs on small features.
On Friday natural and explosive triggered avalanches were reported up to size 3. These occurred on all aspects and elevations. They started out as dry snow avalanches, running into moist snow. The moist snow slowed them down, but gathered size 3 mass amounts. Also to note, was a size 3 remotely triggered avalanche. The trigger was large (being an explosive blast) but it initiated up to 150m away from the blast site. This is a good indicator of the potential for remote triggering with sleds, or even skiers hitting a sweet spot. On Thursday, a widespread loose wet natural cycle occurred up to size 1.5 below 1600 m. Explosives control produced several 1.5-2 slab avalanches on all aspects, from 1700-2000 m. A skier was injured on Friday after triggering a size 3 slab in steep terrain nearby in the Flathead. It failed on the mid-Feb weak layer about 1m deep. Every day of last week, avalanches were reported. Continued unsettled weather conditions with a convective manner may produce higher snow accumulations then expected. If solar radiation comes into play, avalanche danger will elevate.
Only audible avalanche activity reported from upper elevations in the Crowsnest North. Explosive avalanche control work produced size 1-2 avalanches on NE-S aspects. In the Lizard Range loose wet avalanche activity occurred on all aspects below 1600 m. This may have also occurred in areas of the S. Rockies. Last Friday, a snowmobiler was killed in a size 3 slab on a south-west aspect at treeline in the Corbin Creek area and a skier was injured in an avalanche in steep terrain in the Flathead Range. Conditions continue to remain tricky to predict, and manage. Large avalanches are still possible due to buried weak layers. Expect avalanche danger to elevate with unsettled weather conditions, and possible solar radiation, which will deteriorate the upper snowpack.
Natural avalanches up to size 2.0 and explosive controlled avalanches up to size 2.5 were reported from the Dogtooth on Friday. Avalanches were confined to the 40 cm of new snow. Reports confirm that there was a widespread cycle to size 3.0 in the past 48 hours. A skier remotely triggered a size 3.0 avalanche from about 50 metres away on Wednesday in Canyon Creek. The slide was reported to be from a west aspect below treeline at about 2000 metres. Expect natural and easily triggered avalanches to continue. If the sun comes out, expect natural activity in the storm slab that may step down to the PWL once it is in motion.
Reports of natural size 2-3 avalanches came in on Thursday. These occurred on a variety of aspects. Numerous reports of skier triggered and explosive triggered avalanches up to size 1.5 were also received. These occurred within the recent storm snow on N-SE aspects. On Tuesday a natural avalanche cycle occurred up to size 3 on N-NE aspects. Cornices reached their threshold and triggered slopes up to size 2.5 below. On Monday, a skier was partially buried and two others escaped a size 2 slab on an east aspect at 1500m, which failed on a crust. Natural and skier-remote triggered avalanches to size 3 were also observed on a variety of aspects and elevations, some failing on the mid-February weakness. Unsettled weather conditions continue. It may take several days for all this new storm snow to settle out. If the sun shines through in your local mountains; expect strong solar radiation, snowpack deterioration, and elevated avalanche danger.
Thursday the Coquihalla saw a widespread natural wet avalanche cycle between 1400-1700 m. Most slides were point releases, entraining mass from the recent storm snow, up to size 3.5. A few avalanches were slabs with crown depths down 50-60 cm. This cycle occurred on all aspects, with no step down releases on lower weak layers. Explosive testing done on the Duffy produced slab avalanches up to size 2.5. On Wednesday natural sluffing from steep terrain, and skier triggered pockets at treeline and below were reported. I suspect more natural activity occurring in the alpine with the new snow and cranking SW winds.  Last week, warming prompted a widespread natural cycle in the Coquihalla and skiers triggered very touchy persistent slabs at low elevations. An unnervingly large natural avalanche cycle occurred at the start of this month, with slabs up to size 4.5 propagating 2-3km along ridgelines and stepping down to the mid-February layers. With possible sunny breaks this weekend, I suspect the new storm snow could become reactive under the influence of solar radiation. It's possible that solar induced avalanches could step down to deeper weak layers, creating large avalanches.
On Thursday numerous natural loose wet avalanches size 1.5 were reported. Two skier triggered size 2 loose wet slides occurred, running far on SE aspects. Explosive triggered size 1-2, mainly on West aspects. Thursday was a fairly active day for natural and human triggered avalanches.
On Thursday, two natural slab avalanches were observed, one size 1.5 on a north aspect at 1250 m with a fracture line 40cm deep in the recent storm snow. The other was a glide release at 575m near Terrace caused by warm temperatures. Numerous wet loose avalanches were also observed. On Wednesday, a size 3 natural cornice failure was observed in the region on Wednesday.
Soft slabs were reported to have been developing at treeline on Thursday. Some activity was noted outside the region to the west in recent storm snow. Nothing has been noted from this region. However, observations have been very limited.
On Friday, ski cutting produced avalanches down 25 cm in the recent storms snow. On Thursday, numerous large avalanches were noted on all aspects from 1600 to 2200m. In the Boundary region, avalanches were only noted in the storm snow. However, just to the north of the region, a size 4 avalanche as well as a couple of size 3 avalanches were observed, which stepped down to lower weak layers. On Wednesday, ski cutting and explosive testing produced avalanches up to size 2.5 on a variety of aspects. Just to the north of the region, a vehicle triggered a size 2.5 avalanche in the recent storm snow. On Tuesday, several large (size 2.5) fracture lines in commonly skied areas at Kootenay Pass were observed following an intense wind event. On Monday, natural avalanches up to size 2 occurred in response to storm snow loading; ski-cutting to size 1.5 was also reported. This activity continues a very active period of avalanche activity that has been ongoing since early March.
1 size 3 Na on a steep (40-45deg) NE aspect at 2800 near Black Prince.  300m wide, up to 1.5m deep failing in the storm snow layers, as well as stepping down to the Valentines day crust as well as ground in some of the steeper rocky areas.   1 size 3 Na on a N aspect on the Rundle bowls above the Canmore Nordic Center.  Slide ran full path, stopping at the end of its historical trim lines.  No other information available on this due to limited visibility.  2 other size 2 avalanches were also observed on N and E aspects at 2600m.  Both of these slides occurred in steeper unsupported terrain failing within the storm snow and stepping down to the Valentines day interface.
An avalanche cycle occurred on Friday in response to the new snow and wind. Mostly the activity was relatively small and contained within the top 30 cm of the storm snow. However, some larger events up to size 3 were noted. On Thursday, two natural slab avalanches were observed, one size 1.5 on a north aspect at 1250 m with a fracture line 40cm deep in the recent storm snow. The other was a glide release at 575m near Terrace caused by warm temperatures. Numerous wet loose avalanches were also observed. On Wednesday, a size 3 natural cornice failure was observed.
Avalanche activity continued on Friday with naturals reported up to size 2.5. Forecast sunshine over the next few days may cause another natural avalanche cycle.
Very large avalanches that are size 4.0 or larger continue to be reported on a daily basis. Many large avalanches have been reported over the last few days. Some avalanches have been or have been close to historically record size. Forecast solar warming over the next few days may cause another cycle of natural avalanche activity.
Soft slabs were reported to have been developing at treeline on Thursday. Some activity was noted outside the region to the west in recent storm snow on Friday. Nothing has been noted from this region. However, observations have been very limited.
Size 3.0-3.5 natural avalanches continue to be reported regularly from various aspects and elevations. Natural cornice falls up to size 3.0 are also occurring on a daily basis. Another natural size 4.0 avalanche was reported from the region on Thursday that may have released on a weak layer of basal facets, or scoured down to the ground once it was in motion.
No avalanches were reported on Saturday. A couple of fresh wind slab avalanches were reported from Friday. On Thursday numerous natural loose and slab avalanches occurred up to size 3, which are larger than are typically reported from the North Shore region. Two skier triggered size 2 loose wet slides were also reported, running far on SE aspects. Explosive triggered size 1-2, mainly on West aspects.
Explosive control work on Friday resulted in slab avalanches on various aspects up to size 3.5. There was one report of a natural avalanche size 3.5 that may have run Thursday afternoon or evening.
On Saturday, a recent avalanche was observed on a north aspect in the southern Elk Valley, suspected to have started as a wind slab and ending in moist snow. Evidence of a previous natural cycle was also reported. On Friday, explosives produced size 1-2 avalanches.
On Friday, ski cutting produced avalanches down 25 cm in the recent storms snow. On Thursday, numerous large avalanches were noted on all aspects from 1600 to 2200m. In the Boundary region, avalanches were only noted in the storm snow. However, just to the north of the region, a size 4 avalanche as well as a couple of size 3 avalanches were observed, which stepped down to lower weak layers. On Wednesday, ski cutting and explosive testing produced avalanches up to size 2.5 on a variety of aspects. Just to the north of the region, a vehicle triggered a size 2.5 avalanche in the recent storm snow. On Tuesday, several large (size 2.5) fracture lines in commonly skied areas at Kootenay Pass were observed following an intense wind event. On Monday, natural avalanches up to size 2 occurred in response to storm snow loading; ski-cutting to size 1.5 was also reported. This activity continues a very active period of avalanche activity that has been ongoing since early March.
On Saturday, several skier-triggered loose snow avalanches to size 1.5 were failing on the rain crust. On Friday, natural and explosives-triggered avalanches were reported up to size 3. These occurred on all aspects and elevations. Also to note, was a size 3 remotely triggered avalanche. The trigger was large (being an explosive blast) but it initiated up to 150m away from the blast site. On Thursday, a widespread loose wet natural cycle occurred up to size 1.5 below 1600m. Explosives control produced several 1.5-2 slab avalanches on all aspects, from 1700-2000m.
Avalanches have been reported all week. On Friday, a number of natural and explosives-triggered storm snow avalanches in the size 1-2 range were reported, many on lee or cross-loaded north-east to north-westerly aspects. Reports of natural size 2-3, and numerous skier or explosives-triggered size 1-1.5 avalanches came in on Thursday on a variety of aspects. On Tuesday a natural avalanche cycle occurred up to size 3 on north to north-east aspects. Cornices reached their threshold and triggered slopes up to size 2.5 below. On Monday, a skier was partially buried and two others escaped a size 2 slab on an east aspect at 1500m, which failed on a crust. Natural and skier-remote triggered avalanches to size 3 were also observed on a variety of aspects and elevations, some failing on the mid-February weakness. Unsettled weather conditions continue. It may take several days for recent storm snow to settle out. If the sun shines through in your local mountains, expect strong solar radiation, snowpack deterioration, and elevated avalanche danger.
On Thursday, a natural loose moist avalanche cycle was observed in the Coquihalla region between 1400-1700m, with avalanches of size 2-3.5. A few slabs also released, with crowns of 50-60 cm. Explosives testing in the Duffey Lake area produced slab avalanches up to size 2.5 and skiers triggered very touchy storm slabs to size 1.5. The recent storm snow may become reactive under the influence of direct sunshine on Sunday or Monday. Surface avalanches could step down to deeper weak layers, creating large avalanches.
Sluffing up to size 1 out of steep unskiable terrain throughout the forecast area.  No new slab activity was observed.
There are no new observations or reports since last last week. There is still ample evidence of a very large and widespread avalanche cycle that occurred on Thursday last week. Most slopes over 35 degrees released with avalanches up to Size 3 in some areas.
There were less avalanches reported from Saturday; explosive controlled releases up to size 2.0 and a few naturals up to size 2.5. Size 3.0-3.5 natural avalanches continue to be reported regularly from various aspects and elevations on Friday. Another natural size 4.0 avalanche was reported from the region on Thursday that may have released on a weak layer of basal facets, or scoured down to the ground once it was in motion. We are getting into a low probability/high consequence scenario.
One operator reported that a snowcat remotely triggered a W-SW aspect slope in the alpine from 25 metres away that released on a persistent weak layer down close to 200 cm and resulted in a size 3.5. Explosive control on Saturday resulted in slabs that were 50-80 cm thick and up to size 2.0
Some areas saw a fairly widespread cycle on southerly aspects on Friday and Saturday with avalanches up to Size 3. Other reports indicate primarily moist loose snow avalanches up to Size 2 on steep south aspects on Saturday. There are also reports of natural avalanches up to Size 3 on northerly aspects in the Bear Pass area.
Several natural cornice failures were observed, but generally with minimal slab initiation. There were also reports of loose snow avalanches up to Size 2 in steep terrain.
No new avalanche activity has been reported. Forecast sunshine on Monday may cause another natural avalanche cycle.
Very large avalanches have been reported over the last few days. Some avalanches have been or have been close to historically record size. Forecast solar warming over the next few days may cause another cycle of natural avalanche activity.
Recent avalanche activity includes one Size 2 accidentally triggered avalanche. It occurred in relatively well-supported treed terrain on a north aspect. The skier triggered the avalanche in a shallow rocky area. There was also a report of a Size 3.5 avalanche on Saturday that was remotely triggered by a snowcat. This occurred just north of the region in the southern Purcells. It highlights the potential for triggered very large and destructive avalanches. Other observations on Saturday include several loose snow avalanches up to Size 2 on all aspects and skier controlled or explosive controlled avalanches up to Size 2 with 10-150cm deep crowns.
Last week was very active with natural avalanche activity, human involvements and close calls. Some were failing on the mid-February persistent weakness. The size and frequency of avalanches seems to have decreased slightly over the weekend as storm slabs and wind slabs slowly gained some strength. On Sunday, avalanches were triggered naturally and by explosives in steep, rocky terrain to size 2. Avalanche activity may increase again with solar warming on Monday, or with snow and wind on Tuesday.
On Sunday, a size 3 loose avalanche failed naturally with solar warming on a south-east aspect in the Coquihalla area. A size 3 slab also failed on a north aspect, 1.5m deep and 100m wide. A few isolated avalanches were observed on Saturday in steep, rocky terrain. On Thursday, a natural loose moist avalanche cycle was observed in the Coquihalla region between 1400-1700m, with avalanches of size 2-3.5. A few slabs also released, with crowns of 50-60 cm. Explosives testing in the Duffey Lake area produced slab avalanches up to size 2.5 and skiers triggered very touchy storm slabs to size 1.5. Avalanche activity may increase again with solar warming on Monday, or with snow and wind on Tuesday.
On Sunday, we had a report of an explosives-triggered very large (size 4) avalanche, which ran full path. Initial reports suggest that the avalanche began in deep storm snow, and ran a very long distance as it slid on the buried rain crust at lower elevations. More details will probably be available in tomorrow's bulletin.  On Saturday, several skier-triggered loose snow avalanches to size 1.5 were failing on the rain crust. On Friday, natural and explosives-triggered avalanches were reported up to size 3. These occurred on all aspects and elevations. One was a size 3 remotely triggered avalanche which initiated up to 150m away from an explosive. Avalanche activity has been fairly continuous throughout most of the month, and is likely to continue as long as the weather remains unsettled. I'd expect a spike in natural avalanche activity if sunshine makes an appearance.
On Sunday, a size 1.5 avalanche released naturally on a north aspect. On Saturday, a recent avalanche was observed on a north aspect in the southern Elk Valley, suspected to have started as a wind slab and ending in moist snow. Evidence of a previous natural cycle was also reported. On Friday, explosives produced size 1-2 avalanches.
One natural avalanche was observed near midday today. It began as a loose snow avalanche which triggered a size 2.0 slide on the underlying slopes on an E aspect in the alpine. A few other recent slides (24 to 48 hours old) have occurred on steep N, NE and E aspects primarily in treeline and alpine features. These slides mostly ran full path, with some snapping off small trees.
There are no new reports of avalanches in the past 2 days; however, both natural and human triggered avalanches are likely on Tuesday with forecast heavy snowfall and strong ridge top winds.
There was one report of a Size 2.5 natural slab avalanche on a SW aspect along the highway corridor west of Terrace. The crown was reported to be 45-70cm deep. Otherwise there were no new observations.
The soon to be buried snow surface includes a sun crust on southerly aspects, surface facets or surface hoar in cool shady areas, and pockets of wind slab in exposed terrain. The mid February persistent weak layer interface, comprised of spotty surface hoar, facets and crusts, is buried 80-120 cm below the surface. No recent activity has been reported on this interface. However, recent snowpack tests have been giving hard but sudden "pop" results and indicate it is has the potential to react given the right trigger in the right place. For route selection, it should still be on your radar and is more likely to be triggered on steeper, unsupported terrain. Cornices in the area are reported to be very large and primed for natural collapse or triggering by a person.
One recent Size 3 avalanche was observed in the north end of the region last weekend. This avalanche was suspected to have released on the early February surface hoar layer. There was also a report of a Size 2 avalanche remotely triggered by a snowcat in rocky and variable terrain on a north aspect. This avalanche occurred just outside the region to the north. Otherwise avalanche activity has been limited to Size 1 skier triggered wind slabs or loose snow sluffs.
Natural avalanches up to size 3.0 were reported from Sunday during periods of strong solar radiation. A couple of natural cornice falls released avalanches up to size 3.0, and there were a few reports of large cornice falls that did not release any slab from the slope below. Reports of avalanches failing down to the mid-February persistent weak layer are getting less frequent. The PWL is becoming a low probability, high consequence avalanche problem.
Several operators preformed explosive control on Sunday. Results were up to size 3.5 on various aspects in the alpine, some involving standing timber. One natural size 3.0 avalanche was reported from an east aspect at 2650 metres that failed on the mid-February layer and scoured down to the ground.
Natural avalanches up to size 3.5 on northerly aspects failing down about 100-150 cm on the mid-february persistent weak layer. Avalanches releasing on this layer are becoming less frequent. Large triggers like cornice fall may initiate a release on the PWL.
Reports of very large avalanches releasing on the deeply buried persistent weak layer are becoming less frequent. Some natural avalanches up to size 3.0 were reported to have released during times of strong solar radiation. A couple of reports of natural cornice falls up to size 3.0.
On Monday, no natural or rider triggered avalanches were reported. Explosive testing produced slab avalanches up to size 1.5.On Sunday, we had a report of an explosives-triggered very large (size 4) avalanche, which ran full path. The avalanche was initiated on a NE aspect @ 2000m. The crown depth was 80-250 cm, the width was 300 m and it ran 2000 m. The suspected failure plane being the Feb surface hoar/facet layer. On Saturday, several skier-triggered loose snow avalanches to size 1.5 were failing on the rain crust. On Friday, natural and explosives-triggered avalanches were reported up to size 3. These occurred on all aspects and elevations. One was a size 3 remotely triggered avalanche which initiated up to 150m away from an explosive. Avalanche activity has been fairly continuous throughout most of the month, and is likely to continue as long as the weather remains unsettled. Natural activity may spike with forecast wind and snow.
No new reports on Monday. On Sunday, a size 1.5 avalanche released naturally on a north aspect. On Saturday, a recent avalanche was observed on a north aspect in the southern Elk Valley, suspected to have started as a wind slab and ending in moist snow. Evidence of a previous natural cycle was also reported. On Friday, explosives produced size 1-2 avalanches.
No new observations reported on Monday. On Sunday, a size 3 loose avalanche failed naturally with solar warming on a south-east aspect in the Coquihalla area. A size 3 slab also failed on a north aspect, 1.5m deep and 100m wide. A few isolated avalanches were observed on Saturday in steep, rocky terrain. On Thursday, a natural loose moist avalanche cycle was observed in the Coquihalla region between 1400-1700m, with avalanches of size 2-3.5. A few slabs also released, with crowns of 50-60 cm. Explosives testing in the Duffey Lake area produced slab avalanches up to size 2.5 and skiers triggered very touchy storm slabs to size 1.5. Avalanche activity may increase again with solar warming on Monday, or with snow and wind on Tuesday.
Last week was very active with natural avalanche activity up to size 3.5. Additionally we had several reports of rider involvements and close calls. Some were failing on the mid-February persistent weakness. The size and frequency of avalanches seems to have decreased slightly over the weekend as storm slabs and wind slabs slowly gained some strength. On Sunday a skier accidently triggered a size 1.5 from a NE aspect, in steep rocky terrain. Avalanches were also triggered naturally and by explosives in steep, rocky terrain to size 2. Avalanche activity may increase with additional snow and wind on Tuesday. The danger ratings will rise.
Nothing new was observed but observations were very limited.
No new reports or observations but I suspect it may be possible to trigger wind slabs in steep leeward terrain near ridge top.
There has been very little recent avalanche activity aside from a few cornice failures, most of which did not trigger a slab below. Expect to find small pockets of wind slab in steep exposed terrain that could be triggered.
No new slab avalanches have been reported in the past day or two. There were a few reports of cornice failures, but most did not trigger slabs.
We're still seeing almost daily reports of very large avalanches failing on the deeply buried mid-Feb surface hoar layer. The latest report is from the Lumberton snowmobile area in the East Kootenays. A snowmobiler accidentally triggered a very large (Size 3+) avalanche that resulted in a close call. Although triggering the deep persistent weakness is becoming less likely, if you do, the resulting avalanche could have fatal consequences.
There were two reports of accidentally triggered size 3.0 avalanches that released on the deeply buried persistent weak layer from mid-February. Both were reported by groups of snowmobilers who were in the southern Purcell mountains near Kimberley in the Kootenay-Boundary region. Reports of avalanches on this layer are getting less frequent. Rising freezing levels forecast for Thursday and Friday may continue to promote releases that result in wide propagations on this layer.
We are still getting reports of large avalanches that are a couple of days old that failed on the mid-February persistent weak layer. There were a couple of new reports of small avalanches that failed in the top 50-70 cm of recent storm snow. There were two size 3.0 avalanches that were triggered accidentally by snowmobilers in the far south of, or just outside the region near Kimberley. The PWL is becoming a low probability, high consequence avalanche problem.
On Tuesday, wind slabs in the size 1-1.5 range were triggered naturally and by skiers at treeline and above on slopes loaded by south-westerly winds. On Sunday, a size 1.5 avalanche released naturally on a north aspect. On Saturday, a recent avalanche was observed on a north aspect in the southern Elk Valley, suspected to have started as a wind slab and ending in moist snow. Evidence of a previous natural cycle was also reported. On Friday, explosives produced size 1-2 avalanches.
No new observations were reported on Monday. On Sunday, a size 3 loose avalanche failed naturally with solar warming on a south-east aspect in the Coquihalla area. A size 3 slab also failed on a north aspect, 1.5m deep and 100m wide. A few isolated avalanches were observed on Saturday in steep, rocky terrain. On Thursday, a natural loose moist avalanche cycle was observed in the Coquihalla region between 1400-1700m, with avalanches of size 2-3.5. A few slabs also released, with crowns of 50-60 cm. Explosives testing in the Duffey Lake area produced slab avalanches up to size 2.5 and skiers triggered very touchy storm slabs to size 1.5.
We have one report from Monday of natural avalanches up to size 3.5 on southerly aspects failing down about 100-150 cm on the mid-february persistent weak layer (PWL). Avalanches releasing on this layer are becoming less frequent. Large triggers like cornice fall may initiate a release on the PWL.
On Monday, surface sluffing was observed and explosives testing produced slab avalanches up to size 1.5. On Sunday, explosives triggered several very large (size 3-4) avalanches, which ran full path. The size 4 failed a north-east aspect at 2000m. The crown depth was 80-250 cm, the width was 300m and it ran 2000m. The failure plane was the mid-Feb surface hoar/facet layer. On Saturday, several skier-triggered loose snow avalanches to size 1.5 failed on the rain crust. On Friday, natural and explosives-triggered avalanches were reported up to size 3. These occurred on all aspects and elevations. One was a size 3 remotely triggered avalanche which initiated up to 150m away from an explosive. Avalanche activity has been fairly continuous throughout most of the month, and is likely to continue as long as the weather remains unsettled. Natural activity may spike again with forecast wind and snow.
Last week was very active with natural avalanche activity up to size 3.5 and several rider involvements and close calls. Some avalanches failed on the mid-February persistent weakness. On Monday, a skier triggered a buried wind slab on a convex roll 30-40cm deep on a north-east aspect. Some natural activity was also observed on steep solar aspects. On Sunday, a skier triggered a size 1.5 from a north-east aspect, in steep rocky terrain. Avalanches were also triggered naturally and by explosives in steep, rocky terrain to size 2. A size 3 slab was observed on a north-west aspect in the Musical Bumps area, near Whistler, suspected to have failed on Sunday. The trigger is unknown.
There were a couple of reports of natural avalanches up to size 2.5 from solar aspects in the alpine. Reports of very large avalanches releasing on the deeply buried persistent weak layer are becoming less frequent.
None
No new avalanches were observed.  There was a cornice collapse on the EEOR taking out the large cornice overhanging Guides route.  This likely happened over the past 48hrs when visibility was limited.
No new reports or observations but I suspect it may be possible to trigger wind slabs in steep leeward terrain near ridge top.
On Tuesday, soft slabs in wind-loaded areas could be easily triggered up to size 1.5 by ski-cutting. On Sunday, explosives triggered several very large (size 3-4) avalanches, which ran full path. The size 4 failed a north-east aspect at 2000m. The crown depth was 80-250 cm, the width was 300m and it ran 2000m. The failure plane was the mid-Feb surface hoar/facet layer. While natural and human-triggered releases on the deeper weak layers are becoming less likely, the recent large explosive-triggered avalanches indicate the snowpack structure is still primed and you should include the possibility of large releases into your decision making.
On Tuesday, wind slabs in the size 1-1.5 range were triggered naturally and by skiers at treeline and above on slopes loaded by south-westerly winds. On Sunday, a size 1.5 avalanche released naturally on a north aspect. On Saturday, a recent avalanche was observed on a north aspect in the southern Elk Valley, suspected to have started as a wind slab and ending in moist snow. Evidence of a previous natural cycle was also reported. On Friday, explosives produced size 1-2 avalanches.
Avalanche control on Tuesday produced numerous small slab avalanches (10-30cm deep) and a couple slabs up to Size 2, primarily in wind loaded terrain near ridge top. On Monday, a skier triggered a buried wind slab on a convex roll 30-40cm deep on a north-east aspect. Some natural activity was also observed on steep solar aspects.
Currently the Coquihalla highway is closed for avalanche control. Areas north of Pemberton reported several skier controlled avalanches up to Size 1.5 within the recent storm snow (15-25cm crowns) on Tuesday. There was also one report of a larger avalanche in the South Chilcotin that may have failed on the mid-Feb persistent weakness.
Reports from Tuesday include several skier controlled slab avalanches up to Size 1.5 (15-30cm deep), primarily from wind loaded terrain features. There was also one natural Size 2 avalanche observed on a north aspect with a 50cm crown.
No new slab avalanches have been reported in the past day or two, although observations were quite limited on Tuesday. There were a few reports of cornice failures on the weekend, but most did not trigger slabs.
A fatal avalanche incident occurred in this region on Wednesday. We will post more details when they become available. On Monday and Tuesday avalanche activity was isolated to the recent storm snow. On Sunday a large avalanche occurred in the Lumberton snowmobile area in the East Kootenays. A snowmobiler accidentally triggered a very large (Size 3+) avalanche that resulted in a close call.
In the Dogtooth Range on Tuesday, a size 3 slab was triggered by a skier on a north aspect. It's suspected to have initiated on the February weakness, and stepped to ground. Two large slabs (size 2-2.5) also released naturally on north to north-east aspects, up to 1 m deep. There were two snowmobile-triggered size 3 avalanches in the southern Purcells near Kimberley (read more in 'related incidents'on this page). I'm concerned about strong solar warming on Friday and Saturday potentially triggering cornice fall or surface avalanches, which could step down to persistent weaknesses and create very large avalanches.
On Tuesday, a number of size 1-1.5 avalanches were triggered in the storm snow naturally and by people. The frequency of deep releases on the February persistent weakness has gone down, with the most recent reports occurring at the weekend (size 3-3.5 slabs, 100-180 cm deep). There were also two size 3 avalanches that were triggered accidentally by snowmobilers just south of the region near Kimberley on Sunday. I'm concerned about strong solar warming on Friday and Saturday potentially triggering cornice fall or surface avalanches, which could step down to the Feb weakness, leading to very large releases.
On Tuesday, little activity was reported, except a size 1 storm slab which was triggered by a skier. On Monday, natural avalanches up to size 3.5 failed on southerly aspects down about 100-150cm on the mid-February persistent weak layer. Avalanches releasing on this layer are becoming less frequent. Solar warming is of particular concern over the next few days, as it could destabilize storm slabs and cornices, potentially initiating deep failures on the mid-February layer. Be particularly wary of sunny aspects during the heat of the day.
On Tuesday, skiers triggered size 1-1.5 storm slabs. Natural sluffing and soft wind slabs were also reported. There have also been a couple of reports of natural avalanches up to size 2.5 from solar aspects in the alpine. Reports of very large avalanches releasing on the deeply buried persistent weak layer are becoming less frequent.
Observed two size 2.0 Na wind slab on cross loaded NW aspects.  Suspect released 2 days ago during strong Northerly winds.  Approx elev. 1800-2000m.  Observed a few loose snow Na to size 1 on solar aspects.  Suspect released this afternoon with strong solar influence in late pm.
No new observations due to limited visibility.
No new reports or observations. Loose wet snow avalanches are possible on steep sun exposed slopes when the sun is shining.
On Thursday, a widespread avalanche cycle occurred on all aspects and elevations affecting the top 20-30 cm storm snow. Reports indicated avalanches were running well, up to 100m wide, with many reaching size 2. There was one report of an avalanche stepping down to produce a larger avalanche: this happened on a north aspect at 1950 m. On Wednesday, there was a very large (size 3.5) natural avalanche triggered by a cornice collapse that pulled out a deep slab on the slope below. This avalanche occurred on a NE aspect around 2000 m and serves as the latest reminder that very large avalanches are still possible in this region.
Recent avalanche activity includes skier and explosive controlled avalanches to Size 1.5 from exposed wind-loaded features. The average depth was around 15-30cm. There were also several cornice failures reported. There was one report of a Size 4 avalanche near Rainbow Mountain (west of Whistler) that occurred during last weeks storm cycle. It was an impressive slide that destroyed a significant amount of mature forest.
Wednesday was a very active day in the Coquihalla Pass. Explosive control produced several Size 4 avalanches running full path and taking out extensive mature timber, and numerous Size 2-3 avalanches. A few large natural avalanches were also observed in lee terrain. Explosive control on the Duffy Lake road on Wednesday results in one Size 2.5 slab avalanche on a SW aspect and many large black holes with no result.
Reports from Tuesday and Wednesday include several skier controlled slab avalanches up to Size 1.5 (15-30cm deep), primarily from wind loaded terrain features. There were no reports of recent natural avalanche activity.
No new slab avalanches have been reported in the past day or two, although observations are limited. Loose dry sluffing was observed in steep terrain. There were also a few reports of cornice failures on the weekend, but most did not trigger slabs.
On Thursday, a widespread avalanche cycle occurred, generally up to size 2 and mostly affecting the recent storm snow. There were two larger avalanches reported. One was size 2.5 and released over a larger area in the recent storm snow. The other (of similar size) was on a northwest aspect and had a deep crown that likely stepped down to a buried layer of surface hoar. Looking ahead, avalanche activity is expected to spike due to periods of warming resulting from solar radiation.
A fatal avalanche incident occurred in this region on Wednesday. We will post more details when they become available. On Monday and Tuesday avalanche activity was isolated to the recent storm snow. On Sunday a large avalanche occurred in the Lumberton snowmobile area in the East Kootenays: a snowmobiler accidentally triggered a very large (Size 3+) avalanche that resulted in a close call.
There have been four close calls in the Purcell Mountains this week, all involving very large slabs releasing either from a distance or with a light load. This is a scary situation. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Old Man, east of Quartz Creek. It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically. In the Dogtooth Range on Tuesday, a size 3 slab was triggered by a skier on a north aspect. It's suspected to have initiated on the February weakness, and stepped to ground. Two large slabs (size 2-2.5) also released naturally on north to north-east aspects, up to 1 m deep. On Sunday, there were two snowmobile-triggered size 3 avalanches on west aspects in the southern Purcells near Kimberley (read more in 'related incidents' on this page). Strong solar warming forecast for the weekend is only going to make conditions trickier, decreasing stability on solar aspects which could step down to persistent weaknesses and create very large avalanches. All other aspects have also proven that they can fail as deep persistent slabs. I'd be extremely wary of any large slope and consider choosing a deeper, stronger snowpack region than the Purcells to play in this weekend.
On Wednesday, a size 3 slab failed on the mid-Feb weakness on a west aspect, with a 2 m deep crown. It was suspected that solar warming was the trigger. While avalanche activity on this layer is no longer widespread, large avalanches continue to occur on a sporadic basis. Last weekend, size 3-3.5 slabs, 100-180 cm deep, failed naturally and two size 3 avalanches were triggered accidentally by snowmobilers just south of the region near Kimberley. Solar warming may lead to another spike in deep persistent slab activity over the next few days.  A number of size 1-1.5 storm slabs and wind slabs were also triggered naturally and by people over the last couple of days.
Over the last couple of days, little activity has been reported, except a size 3 natural avalanche on a north-east aspect and a size 1 storm slab, triggered by a skier. On Monday, natural avalanches up to size 3.5 failed on southerly aspects down about 100-150cm on the mid-February persistent weak layer. Avalanches releasing on this layer are becoming less frequent. Solar warming is of particular concern over the next few days, as it could destabilize storm slabs and cornices, potentially initiating deep failures on the mid-February layer. Be particularly wary of sunny aspects during the heat of the day.
On Tuesday and Wednesday, a few deep (size 3) avalanches were observed, failing on the February weak layer. Some were wind slabs which overloaded the weakness on lee north-east aspects. While avalanche activity on this layer is no longer widespread, large avalanches continue to occur on a sporadic basis. Solar warming may lead to a spike in deep persistent slab activity over the next few days.  A number of size 1-1.5 storm slabs, loose sluffs and soft wind slabs were also reported.
Reverse loaded slopes developing shallow windslab, reactive to skier weight.
1 new sz 2.5 avalanche on a N aspect at 2300m  on the Buller Corner slide paths.  Extended the trim lines along its left margin of the runout taking out mature timber.  Extensive sluffing out of steeper terrain up to size 1.
There have been no new reports or observations of slab avalanches in the past few days. Minor loose-snow sluffing was reported on steep open slopes on Thursday, and loose wet avalanches are likely on solar aspects during the afternoon.
Recent avalanche activity includes skier and explosive controlled avalanches to Size 1.5 from exposed wind-loaded features. The average depth was around 15-30cm. There were also several cornice failures reported but most did not trigger slabs below.
Numerous loose-wet and slab avalanches to Size 2 were reported on solar aspects on Friday. There was also a report of one Size 3 natural avalanche from a NE alpine feature in the South Chilcotin. Avalanche activity on Thursday was limited to a couple cornice failures, with one triggering a Size 1.5 slab avalanche below. Wednesday was a very active day in the Coquihalla Pass. Explosive control produced several Size 4 avalanches running full path and taking out extensive mature timber, and numerous Size 2-3 avalanches. A few large natural avalanches were also observed in lee terrain.
On Thursday there were reports of a couple small (Size 1) accidentally triggered slab avalanches in steep, exposed, lee terrain features. There were also loose-wet avalanches up to Size 1.5 from steep solar aspects.
There are a couple reports of skier triggered Size 1-1.5 slab avalanches from immediate lee features near ridge crests. Loose dry sluffing was observed in steep terrain. There were also a few reports of cornice failures on the weekend, but most did not trigger slabs.
There have been four close calls in the Purcell Mountains this week, all involving very large slabs releasing either from a distance or with a light load. This is a scary situation. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here: http://bit.ly/GKumsT). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically. In the Dogtooth Range on Tuesday, a size 3 slab was triggered by a skier on a north aspect. It's suspected to have initiated on the February weakness, and stepped to ground. Two large slabs (size 2-2.5) also released naturally on north to north-east aspects, up to 1 m deep. On Sunday, there were two snowmobile-triggered size 3 avalanches on west aspects in the southern Purcells near Kimberley (read more in 'related incidents' on this page). Strong solar warming forecast for the weekend is only going to make conditions trickier, decreasing stability on solar aspects which could step down to persistent weaknesses and create very large avalanches. All other aspects have also proven that they can fail as deep persistent slabs. Very conservative terrain choices would be wise.
Several relatively small avalanches occurred in the storm snow on Thursday and into Friday. A fatal avalanche incident occurred in this region on Wednesday. We will post more details when they become available. On Monday and Tuesday avalanche activity was isolated to the recent storm snow. On Sunday a large avalanche occurred in the Lumberton snowmobile area in the East Kootenays: a snowmobiler accidentally triggered a very large (Size 3+) avalanche that resulted in a close call.
On Thursday, a widespread avalanche cycle occurred, generally up to size 2 and mostly affecting the recent storm snow. There were two larger avalanches reported. One was size 2.5 and released over a larger area in the recent storm snow. The other (of similar size) was on a northwest aspect and had a deep crown that likely stepped down to a buried layer of surface hoar. There are a couple of pictures of this last avalanche at the bottom of this page: http://www.avalanche.ca/cac/library/avalanche-image-galleries/avalanches2012. Looking ahead, avalanche activity is expected to continue through the weekend due to periods of warming resulting from solar radiation.
On Thursday, a widespread avalanche cycle occurred on all aspects and elevations affecting the top 20-30 cm storm snow. Reports indicated avalanches were running well, up to 100m wide, with many reaching size 2. There was one report of an avalanche stepping down to produce a larger avalanche: this happened on a north aspect at 1950 m. On Wednesday, there was a very large (size 3.5) natural avalanche triggered by a cornice collapse that pulled out a deep slab on the slope below. This avalanche occurred on a NE aspect around 2000 m and serves as the latest reminder that very large avalanches are still possible in this region.
Numerous fresh wind slab avalanches to size 2 have been reported in the region. On Wednesday, a deep (size 3) natural avalanche was observed, failing on the February weak layer. On Thursday a natural cornice fall triggered another size 3 avalanche at the same interface on a southeasterly alpine slope.  While avalanche activity on this layer has not been widespread, large avalanches continue to occur on a sporadic basis. Solar warming will most likely lead to a spike in deep persistent slab activity over the next few days.
On Thursday a size 3 natural storm slab released on a southeasterly alpine slope. A melt freeze crust that formed earlier in the week was the suspected bed surface. A size 2 on a similar feature was also reported.The most recent report of avalanche activity on the early-February layer was Monday where natural avalanches up to size 3.5 failed on southerly aspects down about 100-150cm. Avalanches releasing on this layer are becoming less frequent; however, solar warming is of particular concern over the next few days, as it could destabilize storm slabs and cornices, potentially initiating deep failures on the mid-February layer. Be particularly wary of sunny aspects during the heat of the day.
On Friday, a very large (up to 10 m high) cornice collapsed at 2400 m on a NE aspect in the Monashees. On Thursday, a very large avalanche (size 3) ran naturally on a south aspect all the way to valley bottom and part-way up the other side. On Wednesday, a size 3 slab failed on the mid-Feb weakness on a west aspect, with a 2 m deep crown. It was suspected that solar warming was the trigger. While avalanche activity on this layer is no longer widespread, large avalanches continue to occur on a sporadic basis. Last weekend, size 3-3.5 slabs, 100-180 cm deep, failed naturally and two size 3 avalanches were triggered accidentally by snowmobilers just south of the region near Kimberley. Solar warming may lead to another spike in deep persistent slab activity over the next few days.  A number of size 1-1.5 storm slabs and wind slabs were also triggered naturally and by people over the last couple of days.
Widespread loose dry avalanches were observed up to size 1.5 on steep lee aspects at all elevations. A few loose wet slides up to size 1.5 were also seen on solar aspects. ski cutting was producing small sluffs in steep north facing terrain.
On Friday, brief sunshine triggered size 1 surface snow avalanches. On Thursday, a widespread avalanche cycle occurred, generally up to size 2 and mostly affecting the recent storm snow. There were two larger avalanches reported. One was size 2.5 and released over a larger area in the recent storm snow. The other (of similar size) was on a northwest aspect and had a deep crown that likely stepped down to a buried layer of surface hoar. Photos here: http://bit.ly/GMOYCv. Avalanche activity is expected to continue through the weekend with the influence of hot sunny weather.
A few wet loose snow avalanches to size 1.5 were reported in the from the region. No other avalanches have been reported.
Loose solar-triggered avalanches were observed on Friday and a very large (up to 10 m high) cornice collapsed at 2400 m on a NE aspect in the Monashees. On Thursday, a very large avalanche (size 3) ran naturally on a south aspect all the way to valley bottom and part-way up the other side. On Wednesday, a size 3 slab failed on the mid-Feb weakness on a west aspect, with a 2 m deep crown. It was suspected that solar warming was the trigger. While avalanche activity on this layer is no longer widespread, large avalanches continue to occur on a sporadic basis. Last weekend, size 3-3.5 slabs, 100-180 cm deep, failed naturally and two size 3 avalanches were triggered accidentally by snowmobilers just south of the region near Kimberley. Solar warming may lead to another spike in deep persistent slab activity over the next couple of days.
On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There have been four other close calls in the Purcell Mountains this week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically. In the Dogtooth Range on Tuesday, a size 3 slab was triggered by a skier on a north aspect. It's suspected to have initiated on the February weakness, and stepped to ground. Two large slabs (size 2-2.5) also released naturally on north to north-east aspects, up to 1 m deep. On Sunday, there were two snowmobile-triggered size 3 avalanches on west aspects in the southern Purcells near Kimberley (read more in 'related incidents' on this page). Strong solar warming forecast for the weekend is only going to make conditions trickier, decreasing stability on solar aspects which could step down to persistent weaknesses and create very large avalanches. All other aspects have also proven that they can fail as deep persistent slabs. Very conservative terrain choices would be wise.
On Thursday, a widespread avalanche cycle occurred on all aspects and elevations affecting the top 20-30 cm storm snow. Reports indicated avalanches were running well, up to 100m wide, with many reaching size 2. There was one report of an avalanche stepping down to produce a larger avalanche on a north aspect at 1950 m. There was some lingering activity on Friday. On Wednesday, there was a very large (size 3.5) natural avalanche triggered by a cornice collapse that pulled out a deep slab on the slope below. This avalanche occurred on a NE aspect around 2000 m and serves as the latest reminder that very large avalanches are still possible in this region.
A few wet snow avalanches to size 1 were observed on steep solar aspects. No other avalanches have been reported.
On Friday there was a size 3 natural avalanche (west aspect/ 2200m) on the February persistent weak layer. Explosives control in the region produced numerous avalanches (size 2.5-3.5) on a variety of aspects that ran on the same interface. There was also a skier controlled size 1 slab reported to have run within recent storm snow. Solar warming will most likely lead to a spike in surface avalanche activity, cornice failure as well as deep persistent slab activity over the weekend.
A size 2.5 natural slab avalanche was observed on a north aspect at 2300m. Details of the weak layer are uncertain. A size 2 natural avalanche was also observed having reacted on a crust on a southeast facing slope at 2000m. Solar warming is of particular concern this weekend, as it could destabilize surface snow and cornices, potentially initiating deep failures on the mid-February layer. Be particularly wary of sunny aspects during the heat of the day.
There have been no new reports or observations of slab avalanches in the past few days. Loose wet avalanches are likely on solar aspects during the afternoon.
Recent avalanche activity includes loose moist sluffs to size 2.0 from daytime warming as well as one size 2.0 natural slab on a northeast aspect  at 1700m.
Isolated loose wet avalanches from daytime heating have been reported. There was also 2 recent large natural avalanches reported; a size 3.0 from a northeast aspect in the Chilcotin area and a size 4.0 from a south aspect in the west side of the Duffey Lakes area.
We have reports of loose, moist avalanches being triggered by solar radiation on sunny slopes.  A fatal avalanche incident occurred in this region on Wednesday. We will post more details when they become available.
One size 1.5 solar triggered slab from a steep SE aspect below treeline. Minor pin-wheeling observed on steep solar aspects.
Some snowballing and sluffing on solar aspects in the afternoon on Saturday. One report of a remotely triggered large avalanche on a north aspect of Mt Tupper in Glacier National Park. The group of ski tourers had a large settlement on a ridge, and the adjacent slope failed down about 150 cm. Large remotely triggered avalanches have become less frequent, but they are occurring about every second day.
Snowballing and numerous solar point releases up to size 1.5 were reported on Sunday. Very warm temperatures on Sunday did not cause a natural avalanche cycle on the deeply buried weak layers.
There have been no new reports or observations of slab avalanches in the past few days. Loose wet avalanches are likely on solar aspects during the afternoon.
3 size 3 natural avalanches were observed in steep, rocky, unsupported terrain. They occurred between 2000-2800m on north to east aspects and are suspected to have run on the February persistent weak layer. Solar radiation may still be an issue on Monday. If this is the case there will be an elevated chance of avalanche activity.
Recently formed windslabs to size 1.5 were ski cut in the North of the region. Natural ice fall triggered a slab 80 to 120cm deep on a northeast aspect at 1600m. I am unaware of the failing interface, but the slope was reportedly unsupported. There were also several large cornice failures in region. None the failures reported triggered avalanches on the slope below.
A natural cornice fall size 2.5 was reported from the high alpine on a NW aspect on Saturday. On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There have been four other close calls in the Purcell Mountains this week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically.
Some small solar releases reported from Lynx Creek in the Crowsnest area. Forecast high freezing levels combined with rain may weaken the storm snow layers and/or the deeply buried weak layers.
A few radiation induced moist sluffs were observed on steep, rocky terrain. No other avalanches were reported from the region.
Recent avalanche activity includes loose moist sluffs to size 2.0 from daytime warming as well as isolated natural cornice releases to size 2.0. Thin windslabs up to size 1.5 have also been seen.
A size 2.5 natural avalanche was reported from the Monashees. It was 2m deep (failing on the February persistent weak layer) and occurred on a southeast aspect at 2100m. One can assume it reacted in response to solar warming. There was also a large avalanche (size 2-2.5?) reported from the Selkirks that was remotely triggered on a north aspect in the alpine. Details regarding this event are limited. Solar radiation may still be an issue on Monday. If this is the case there will be an elevated chance of avalanche activity.
Loose wet avalanches up to size 2.0 triggered by daytime heating have been reported, as well as isolated cornice releases to size 2.5. There was also 2 recent large natural avalanches reported; a size 3.0 from a northeast aspect in the Chilcotin area and a size 4.0 from a south aspect in the west side of the Duffey Lakes area.
We have reports of loose, moist avalanches being triggered by solar radiation on sunny slopes.  A fatal avalanche incident occurred in this region on Wednesday. We will post more details when they become available.
Lots of wet activity on Sunday, mostly wet point releases, sluffing & pinwheeling to size 1.5. It's interesting to note that a glide crack released out of steep ,rocky, east facing terrain in the Revelstoke area resulting in a size 2.5 avalanche.  A report came in from Glacier Park Saturday of a remotely triggered large avalanche on a north aspect of Mt Tupper.  The group of ski tourers had a large settlement on a ridge, and the adjacent slope failed down about 150 cm. Large remotely triggered avalanches have become less frequent, but seam to occur every couple of days.
The strong spring sun initiated an avalanche cycle Sunday that included everything from small sluffing to size 2.5 avalanches in the afternoon.  A natural cornice fall size 2.5 was reported from the high alpine on a NW aspect on Saturday. On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There were four other close calls in the Purcell Mountains this week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically.
Numerous solar induced point releases and wet sluffs to size 1.5 were observed Sunday.  Intense green-housing initiated a loose/wet size 2 avalanche on a north facing slope at 1700m Monday.
No recent avalanche activity has been reported. On Sunday natural cornice failures triggered slab avalanches up to size 2.5 on the slopes below. Forecast snow may have a poor bond to underlying crusts, pay attention to the weather conditions in your local mountains, and make observations while you travel.
On Monday a size 2.5 natural cornice fall triggered the slope below. This was at 2400 m, on a North aspect. On Sunday, a size 3 natural, solar induced slab avalanche was reported from the Miledge Creek area. This ran in steep, unsupported terrain. No other observations reported. On Saturday three, size 3 natural avalanches were observed in steep, rocky, unsupported terrain. They occurred between 2000-2800m on north to east aspects and are suspected to have run on the February persistent weak layer.
Natural avalanche activity continues through the region. A notable size 3 avalanche was reported from the Miledge Creek area, on a steep solar aspect.  Also a natural size 2.5 slab avalanche occurred on a NE aspect, at 2200 m, running 250 m. Loose moist avalanches continue to occur under the influence of solar radiation on sunny aspects, running up to size 2.
Some small solar releases reported from Lynx Creek in the Crowsnest area.
No new avalanche observations have been submitted.
There have been no new reports or observations of slab avalanches in the past few days.
Recent avalanche activity includes loose moist sluffs to size 2.0 from daytime warming as well as isolated natural cornice releases to size 2.0. Thin windslabs up to size 1.5 have also been seen.
Loose wet avalanches up to size 2.0 triggered by daytime heating have been reported, as well as isolated cornice releases to size 2.5. The warm weather has increased the glide crack activity with new cracks opening in the Coquihalla area but not actually failing.
We have reports of loose, moist avalanches being triggered by solar radiation on sunny slopes on the weekend.  A fatal avalanche incident occurred in this region on Wednesday. We will post more details when they become available.
No new avalanches were observed, but visibility was very limited.
Isolated solar triggered loose wet slides on steep solar aspects up to size 1.0.
There have been no new reports or observations of avalanches in the past few days.
Natural and explosive triggered avalanches have been reported up to size 2.0, with the new storm snow failing on the March 26 melt freeze crust.
Recent avalanche activity includes loose moist sluffs to size 2.0 from daytime warming as well as isolated natural cornice releases to size 2.0. Thin windslabs up to size 1.5 have also been seen.
Loose wet avalanches up to size 2.0 triggered by daytime heating have been reported, as well as isolated cornice releases to size 2.5. The warm weather has increased the glide crack activity with new cracks opening in the Coquihalla area but not actually failing.
Most operations have reported very little avalanche activity within their tenures. Reports of glide cracks continue to widen on solar aspects. On Sunday natural cornice failures triggered slab avalanches up to size 2.5 on the slopes below. Unsettled weather conditions are forecast. It's important to  pay attention to weather, and it's influence on the snowpack when recreating in your local mountains. I suspect the period will be fairly cloudy, but if periods of sun shine through, beware of solar aspects.
On Monday, 1 natural cornice failure triggered a slab avalanche size 2 on the slope below. This was on a NE aspect around 1300 m. Other operations have reported no new avalanche activity through their tenures.
On Monday several large natural solar induced cornice releases were reported. These occurred on NW-NE slopes from 2000 m- 2400 m. To note, none of theses cornice falls stepped down to the deeply buried persistent weak layer. I still wouldn't rule out the potential, as we saw that layer reactive only 4 days ago. Numerous loose wet avalanches were also reported on Monday on various aspects, running up to size 2. This could continue in your local mountains if the sun is able to poke through the clouds over the next few days. On Saturday three, size 3 natural avalanches were observed in steep, rocky, unsupported terrain. They occurred between 2000-2800m on north to east aspects and are suspected to have run on the February persistent weak layer.
On Monday, warmer temperatures and some sunny skies produced numerous solar induced avalanches up to size 2.5. Numerous cornice releases, and icefall releases also occurred. The majority of avalanches reported were loose wet on sunny slopes from 1000 m-2700 m. Reports of several slab avalanches occurred on N-SE aspects, from 1900 m- 2700 m. With an unsettled forecast  weather pattern, we can expect solar induced avalanches to continue if the sun pokes through the clouds. Also pay attention to local snowfall amounts at higher elevations, wind slabs and loose sluffing may also occur.
Numerous point releases out of steep solar aspects where observed.  No large avalanche activity reported from the region.
Very little avalanche activity was observed on Monday aside from point releases out of steep solar slopes.  I've left some of the narrative in from last week as it offers a humbling look into the deep slab avalanche problem:  On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There were four other close calls in the Purcell Mountains last week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically.
The new snow was quite reactive on Tuesday; ski cutting easily produced avalanches to size 1.5 in steep terrain & natural avalanches to size 2 were also observed.
Our field team came back from their day with some great observations.  They found a large avalanche on an East facing slope that likely occurred Sunday or Monday.  They also observed a large avalanche on a SW facing slope that they estimate was 24 - 48 hours old, likely failing on the March 10th Suncrust.  The avalanche ran to within 50m of the access road.  Clear skies Tuesday morning allowed cornices to receive direct solar radiation which resulted in a lot of failing chunks of cornice.  Many were heard, but not seen.  Those that were seen reportedly did not trigger deep slab avalanches.
One Size 2 soft slab on East aspect in Ranger Creek drainage.  Ran down to middle of run out zone. Fracture line in start zone appears 60cm, possibly deeper but could not see entire FL.  Probable trigger was solar heating effects in rocky terrain above.
A few size 1 human triggered wind slab avalanches were reported Wednesday.  There were also a few small cornice failures which resulted in relatively small size one avalanches.
On Tuesday operators in the south of the region reported thin windslabs 10 - 20 in depth that were failing naturally at all elevations.  Very little activity was reported from the north of the region.  I've left some of the narrative in from last week as it offers a humbling look into the deep slab avalanche problem: On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There were four other close calls in the Purcell Mountains last week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically.
On Tuesday, numerous reports of loose wet avalanche activity occurred. These all occurred on solar aspects up to size 2. Explosives control (using 75kg charges) produced several avalanches up to size 2.5. West aspects were targeted, at 900 m. These did run to ground surfaces, and left up to 2.5 m of debris on the road. Unsettled weather conditions are forecast. It's important to  pay attention to weather, and it's influence on the snowpack when recreating in your local mountains. I suspect the period will be fairly cloudy, but if periods of sun shine through, beware of solar aspects.
Reports from Tuesday indicated small loose, solar induced sluffing. A natural cornice fall triggered a size 2 slab avalanche on the slope below. This occurred on a NE aspect. Other operations have reported no new avalanche activity through their tenures.
Natural avalanche activity seemed to have tapered off, with the exception of active solar aspects in the afternoon. Numerous small loose wet avalanches were reported on Southerly slopes up to size 1.5. On Monday several large natural solar induced cornice releases were reported. These occurred on NW-NE slopes from 2000 m- 2400 m. To note, none of theses cornice falls stepped down to the deeply buried persistent weak layer. I wouldn't rule out the potential, as we saw that layer reactive only 4 days ago. Numerous loose wet avalanches were also reported on Monday on various aspects, running up to size 2. This could continue in your local mountains if the sun pokes through the clouds over the next few days. On Saturday three, size 3 natural avalanches were observed in steep, rocky, unsupported terrain. They occurred between 2000-2800m on north to east aspects and are suspected to have run on the February persistent weak layer.
On Tuesday, natural avalanche activity seemed to tapper off throughout the region. One operational tenure reported numerous size 2 slab avalanches, occurring on South aspects from 1800 m-2200 m. Solar influence on the snowpack, creating destabilization through the day should be avoided. The new forecast snow may have a poor bond to the underlying crusts. Watch for sluffing, and natural avalanche activity. Keep your local conditions in check.
Explosive work in the area produced avalanches to size 3, failing on both the mid February surface hoar and the ground.  Moist sluffing in the new snow was observed to size 2.
Size one to two soft slabs have been easily triggered today. Stiffer wind and temperature affected slabs have been observed between 1800 and 2000 meters. Some natural loose surface avalanches have also been observed today
Our field team came back from their day with some great observations.  They found more evidence of the large cycle on East, West & South facing slopes that likely occurred Sunday/Monday.  The March 10th suncrust is the likely failure layer.  Explosive control work in the region produced avalanches to size 3 failing on both the ground and the mid February surface hoar.
There have been no new reports or observations of avalanches in the past few days.
Small windslabs (to size2.0) are forming in lee locations, and are triggering naturally and with rider traffic with limited propogation.
Loose wet avalanches up to size 2.0 triggered by daytime heating have been reported at lower elevations, as well as isolated cornice releases in the high alpine to size 2.0 that did not release deeper layers. Small windslab events have also occurred on lee and cross loaded terrain features.
Natural, explosive and human triggered avalanches have been reported up to size 2.0, with all failures on the March 26 interface. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab.
Visibility was limited by snow and flat light but at least one new Size 2 soft slab release was observed in the Smith-Dorrien area on a northeasterly aspect.
On Wednesday, explosive control work in the area produced avalanches to size 3, failing on both the mid February surface hoar and the ground.  Moist sluffing in the new snow was observed to size 2.
No significant avalanche observations from Thursday.  Earlier in the week our field team reported evidence of a large cycle on East, West & South facing slopes that likely occurred Sunday/Monday.  The March 10th suncrust was the likely failure layer.  Explosive control work in the region Wednesday produced avalanches to size 3 failing on both the ground and the mid February surface hoar.
Natural, explosive and human triggered avalanches have been reported up to size 2.0, with all failures on the March 26 interface. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab.
We have isolated reports of loose wet sluffs in steep terrain. As the freezing level drops and the snow becomes lighter, I anticipate windslabs to become reactive at ridgecrest.
Many windslab events have been reported up to size 2.0. These have been triggered naturally, with explosives and with human traffic. Isolated windslab events have triggered remotely. Crown depths are a typically around 60cm and over 100cm in some locations. Isolated, small loose moist events are running below treeline.
Small human triggered windslab events have been reported from lee and crossloaded features at treeline and above. These are isolated to the new storm snow. We also have reports of isolated cornice releases in the high alpine to size 2.0 that did not release deeper layers.
Reports from Wednesday indicated loose, solar induced sluffing and pinwheeling below 1500 m. On Tuesday a natural cornice fall triggered a size 2 slab avalanche on the slope below. This occurred on a NE aspect.
The bulk of the avalanche activity Wednesday involved the wind slabs formed within the last 48 hrs with crowns to 30 cm in depth.  These avalanches have been reactive to human triggering averaging size1, 1.5.  There has also been some sluffing of the new snow in steep wind sheltered terrain.
Very little avalanche activity in the region Wednesday, just loose snow avalanches to size 1.5 from steep rocky terrain.  There are some reports of touchy wind slabs 20 cm in depth too.I've left some of the narrative in from last week as it offers a humbling look into the deep slab avalanche problem: On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There were four other close calls in the Purcell Mountains last week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically.
Natural avalanche activity seems to have tapered off over the past couple days. Most recent reports are of loose wet slabs (unknown size) below 1400 m. I suspect weather limited most operations from the field.Earlier this week the region saw many large cornice falls on N-E slopes. These did trigger smaller size 1-2 avalanches, but nothing stepped down to the deep persistent layer. This is good. Yet I wouldn't' rule out the potential, as we saw that layer reactive only 6 days ago. Numerous loose wet avalanches were also reported on Monday on various aspects, running up to size 2.
On Wednesday numerous natural loose wet avalanches were reported up to size 2. Also, many small size 1-1.5 slab avalanches were rider triggered on N-E aspects, above 1800 m. These consisted of new wind slabs that formed lee of ridgelines and terrain features. Beware, and practise avoidance on solar aspects when the sun pokes through. The new forecast snow may have a poor bond to the underlying crusts. Watch for sluffing, and natural avalanche activity.
On Wednesday numerous point releases, and wet slab avalanches were reported. These occurred on isolated steep south aspects, up to size 2.5 below treeline elevations. Natural glide crack, slab releases also occurred below treeline up to size 3. Avalanche control with the use of explosives triggered several size 2-3 glide slabs, below 1000 m. The snowpack below treeline will remain unstable until the region receives a good re-freeze. Unsettled weather conditions are forecast. It's important to pay attention to weather, and it's influence on the snowpack when recreating in your local mountains. I suspect the period will be fairly cloudy, but if periods of sun shine through, beware of solar aspects.
Wind loaded slopes produced human triggered slab avalanches to size 1.5 Thursday.  Many point release avalanches were reported from south & west facing terrain with avalanches to size 2.5.  One natural size 3 was reported in the north of the region on a N-NE facing slope.
Natural avalanches failing within the storm snow to size 2 on all aspects Friday.  I've left some of the narrative in from last week as it offers a humbling look into the deep slab avalanche problem: On Friday, a very large avalanche was triggered by a cornice in Gorman Lake (Dogtooth Range). It was wide, deep and covered sled tracks. Photos here: http://bit.ly/GMOYCv . There were four other close calls in the Purcell Mountains last week, all involving very large slabs releasing either from a distance or with a light load. On Thursday, a snowmobiler remotely triggered a size 3.5 slab on an east aspect at 2400m at Oldman Creek, east of Quartz Creek (video here http://bit.ly/GLHIbg). It failed 1-2 m deep, was 200-300 m wide and ran full path, taking out mature timber. A second slope also failed, either remotely or sympathetically.
A few large avalanches were reported from the highway corridors on Thursday. Some natural avalanches up to size 3.5 from the Bear Pass area, and some glide slab releases from lower elevations in other areas. Strong south winds in the alpine may have started a natural cycle on north aspects.
No new avalanches reported from the region.
Natural avalanches up to size 2.5 were reported to be releasing in the recent storm snow that is about 40-50 cm deep in most areas. The recent strong southerly winds have transported the storm snow into windslabs that have been skier controlled up to size 2.0. There was a large natural avalanche ( size 3.5) in the west Monashee just to the south of this region that may have released on a crust that was buried on southerly aspects a couple of days ago. The avalanche was about 40-70 cm deep, 900 metres wide, and ran about 900 metres.
No reports of new avalanches from this region.
Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths.  Several loose/wet size one avalanches below treeline as well.
Isolated slabs are failing on north trough east facing terrain up to size 1.5 at ridgecrest and moist snow is sluffing in steep terrain at lower elevations.
Many windslab events have been reported up to size 2.0. These have been triggered naturally, with explosives and with human traffic. Isolated windslab events have triggered remotely. Crown depths are a typically around 60cm and over 100cm in some locations. Isolated, small loose moist events are running below treeline.
No new Avalanche activity was observed on Friday but visibility was limited.
Natural avalanches to size 4 were reported from the Fernie area Friday.  This is likely occurring throughout the region.  Moist loose snow size 1 avalanches have been occurring below treeline too.
Many human triggered windslab events up to size 2.have been reported from lee and crossloaded features at treeline and above. Slabs are more reactive where the surface hoar is present, yielding wider propagation. We also have reports of isolated cornice releases in the high alpine to size 2.0 that did not release deeper layers. With persistent warm temperatures, there have been several large (3.0-3.5) natural glide crack releases in the Coquihalla area where the entire snowpack fails down to smooth rock slabs.
Natural, explosive and human triggered avalanches have been reported up to size 2.0 failing on the March 26 interface. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab.There was one sympathetic triggered avalanche that release on the early February weakness 150cm deep.
1 Sc size 1.0 on steep 35-40 degree, unsupported terrain.  15mx30mx20cms.  East Aspect, 1500m elev.  Numerous loose Na to size 1.5 on steep North facing Alpine terrain, releasing in recent storm snow.  Numerous pt releases to size 1.5 on South Aspects.
No new avalanches were observed today, but visibility was very limited.
A widespread avalanche cycle occurred Friday.  Triggers ran the gamut: Human, explosive, natural, remote and sympathetic.  Avalanches averaged size 2 with average crowns 40 cm in depth.
Reports of human triggered avalanches to size 1.5. These are isolated to the newly fallen snow
Natural avalanches up to size 2.5 have been reported to be releasing in the recent storm snow that is about 40-60 cm deep in most areas in the past two days. The recent strong southerly winds have transported the recent storm snow into windslabs that have been skier controlled up to size 2.0. There was a large natural avalanche ( size 3.5) in the west Monashee just to the south of this region that may have released on a crust that was buried on southerly aspects a couple of days ago. The avalanche was about 40-70 cm deep, 900 metres wide, and ran about 900 metres.
We have reports of thin windslabs (around 10cm deep) failing at ridgecrests.
A widespread avalanche cycle occurred Friday in the Purcells with avalanches triggered naturally, by skiers and with explosive assistance.  Avalanches averaged size 2, failing within the storm snow, there was one natural size 3 as well.  Activity slowed on Saturday; all reported avalanches were explosive triggered.
The region has been very active with avalanches the past couple of days. Natural, explosive and human triggered avalanches have been reported up to size 2.5 failing in the storm snow or on the March 26 interface. Reports come from all aspects, with a bias to north facing slopes. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab. Remote triggering has also been observed. There was one sympathetic triggered avalanche that released on the early February weakness 150cm deep. Also, several large avalanches (up to size 4.0) were explosive controlled recently. These failed from northeast to northwest aspects at ridgecrest and ran full path to valley bottom, ending as deep moist deposits.
Explosives control on Saturday produced numerous size 1.5-2 avalanches that ran on the March 26th interface. Some of these avalanches ran sympathetically with other slides, or remotely at distances of up to 300m.
Numerous natural and human-triggered slabs to size 2.5 were observed in the Duffey lake area over the last few days. The suspected sliding layer has consistently been the March 26th interface. On Face Mountain in the Railroad Pass area 2 sledders triggered a size 2 avalanche while riding the slope at the same time. The slide was 60m wide and 50cm deep and was most likely triggered on the March 26 layer. The sledders escaped without injury.
On Friday a few large to very avalanches were triggered by heli-bombing from the big terrain in Bear Pass. In the start zones they ran at the recent storm snow interface and gradually involved wet snow as they reached lower elevations. In the south of the region numerous dry loose snow avalanches to size 1.5 were also reported in steep terrain.  In the same area a cornice fall triggered a size 2 slab on the slope below. Solar aspects are producing loose wet avalanches to size 2 with significant sun exposure.
No reports of new avalanches from this region.
On Friday Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths.  Several loose/wet size one avalanches below treeline as well.  Things slowed down a bit Saturday; avalanches ran to size 2 with crowns 30 - 100cm in depth above 1800m.
On Friday Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths. Several loose/wet size one avalanches below treeline as well. Things slowed down a bit Saturday; avalanches ran to size 2 with crowns 30 - 100cm in depth above 1800m.
Several Na Sz 1.5 wet loose avalanche on south through south East aspects originating in the rocks.  Storm snow sluffing in steep terrain, and building mass.
Skier accidental sz 2.5 avalanche in the miners peak gully around 10:30am.  Start zone was a crossloaded steeper feature on a NE aspect at 2300m.  Crown was 100-160cm deep stepping down to ground in a few areas.  Skier was carried for 300m but remained on surface.  No Injuries.Numerous Na up to size 2.5 on S and SE aspects related to cornice collapses.  Appeared the bed surface for the majority of these slides was the March 29th Temperature crust.
Avalanche activity on the March 27th crust/facet layer continued Saturday.  In the north of the region a size 3 was skier triggered on a south facing slope.  In this same area a group of skiers were on an E-SE facing slope when the group felt a significant collapse which resulted in a size 2.5 avalanche being triggered from 300m away.  Observers saw a bit more evidence of Friday's cycle which produced avalanches on all aspects to size 2.5, likely involving the Mar. 27th crust/facet combo.
Explosives control on Saturday produced numerous size 1.5-2 avalanches that ran on the March 26th interface. Some of these avalanches ran sympathetically with other slides, or remotely at distances of up to 300m. On the same day, a size 2 skier-triggered windslab avalanche occurred on a southwest aspect at treeline in the Fitzsimmons Range. On Sunday, ski cutting produced numerous size 1-1.5 windslab avalanches that ran within snow that fell over the previous 24hrs. Expect widespread wind and storm slab avalanche activity with potential to step down to the deeper March 26 interface with weather forecast for Monday.
Numerous natural and human-triggered slabs to size 2.5 were observed in the Duffey lake area over the last few days. The suspected sliding layer has consistently been the March 26th interface (see snowpack observations). On Face Mountain in the Railroad Pass area 2 sledders triggered a size 2 avalanche while riding the slope at the same time. The slide was 60m wide and 50cm deep and was most likely triggered on the March 26 layer. The sledders escaped without injury. With weather forecast for Monday, expect widespread windslab and storm slab avalanche activity with serious potential to involve the deeper March 26th layer.
On Friday Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths.  Several loose/wet size one avalanches were reported below treeline as well.  Activity slowed down a bit Saturday; avalanches ran to size 2 with crowns 30 - 100cm in depth above 1800m.
On Friday, Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths. Several loose/wet size one avalanches below treeline as well. Things slowed down a bit Saturday; avalanches ran to size 2 with crowns 30 - 100cm in depth above 1800m.
We have reports of thin windslabs (around 10cm deep) failing at ridgecrests.
Avalanche activity slowed down a bit Saturday; control work in the region produced avalanches averaging size 2 on nearly all aspects failing within the recent storm snow and at the March 27th crust/facet combo.  One explosive controlled size 3 was reported from the central portion of the region on a steep west facing feature.  An avalanche incident occurred Sunday west of Invermere which required organized Search & Rescue.  Not other details are known at this time.
Natural icefall initiated a small slab avalanche on Saturday. In the north of the region, sluffing was observed in steep terrain in the alpine and at treeline.  No other avalanches were reported. We should see an increase in wind slab avalanche activity with forecast weather on Monday.
There have been several reports of avalanches to size 2.5 being remotely rider triggered from long distances (150m-300m). These avalanches have been running in the alpine on northeast, east, south and southeast aspects on a layer of facetted crystals and/or facetted crystals sitting on a crust buried 40-80cm deep. In addition, reports from the northern portion of the region indicate a few avalanches running on the deeply buried mid february surface hoar interface. One of these was remotely triggered from a distance of 100m producing a size 3 avalanche with a crown 150-220cm deep and 700m wide.
The region has been very active with avalanches the past several days. Natural, explosive and human triggered avalanches have been reported up to size 2.5. Reports come from all aspects, with a bias to north facing slopes. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab. Remote triggering has also been observed. There was one sympathetic triggered avalanche that released on the early February weakness 150cm deep. Also, several large avalanches (up to size 4.0) were explosive controlled recently. These failed from northeast to northwest aspects at ridgecrest and ran full path to valley bottom, ending as deep moist deposits.
On Saturday sluffing to size 2 was observed in steep, sun-exposed terrain. There has also been an increase in glide crack activity on solar aspects, especially where rocky ground cover is smooth and slabby. I expect a spike in wind slab avalanche activity with forecast weather on Monday.
Reports of human triggered avalanches to size 1.5. These are isolated to the newly fallen snow.
Some sluffing was observed in steep terrain. Three avalanches up to size 2.5 were triggered by cornice failures which pulled out slabs below. These were storm slab failures, with one slide stepping to ground. Several natural, skier remote, and skier accidental avalanches up to size 3.0 occurred in the Kananaskis Region and other areas in the southern Rockies on Sunday.
No significant new avalanche activity to report.
On Sunday, ski cutting and explosives control produced numerous size 1-1.5 windslab avalanches that ran within snow that fell over the previous 24hrs. Expect widespread wind and storm slab avalanche activity with potential to step down to the deeper March 26 interface with weather forecast for Monday night.
There have been several reports of avalanches to size 2.5 being remotely rider triggered from long distances (150m-300m) in recent days. These avalanches have been running in the alpine on northeast, east, south and southeast aspects on a layer of facetted crystals and/or facetted crystals sitting on a crust buried 40-80cm deep. In addition, reports from the northern portion of the region indicate a few avalanches running on the deeply buried mid february surface hoar interface. One of these was remotely triggered from a distance of 100m producing a size 3 avalanche with a crown 150-220cm deep and 700m wide.
No reports of recent significant avalanches in the region.
The region has been very active with avalanches the past several days. Natural, explosive and human triggered avalanches have been reported up to size 2.5. Reports come from all aspects, with a bias to north facing slopes. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab. Remote triggering has also been observed.
On Sunday, numerous natural windslabs to size 1.5 were observed at treeline and above in the Duffey Lake area. With weather forecast for Monday night, expect widespread windslab and storm slab avalanche activity with potential to involve the deeper March 26th layer.
A number of significant avalanches were observed on Sunday.   Very touchy conditions were reported from the far south of the region in the Valkyr Range;  A natural avalanche with a 2 km wide crown was reported on an east facing aspect which started in the storm snow and then stepped down to the March 27th crust/facet combo.  In that region the March 27th is now close to a meter below the snow surface. Control work in Glacier Park also produced large avalanches  to size 3 on the late March interface.  A number of smaller avalanches were reported in the region too for which triggers ran the gamut:  skier controlled, natural and explosive controlled from size 1.5 - 2.5 involving almost all aspects at and above treeline.
A few more details have come in from the skier triggered avalanche west of Invermere Sunday;  The avalanche was reported to be size 3 with a crown that measured up to 200cm at the thickest points.  The avalanche failed on the October crust interface and was likely driven by a rapid increase in temperature.  Elsewhere in the region avalanches went as big as size 3.5 over the weekend.
On Friday Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths.  Several loose/wet size one avalanches were reported below treeline as well.  Activity slowed down a bit Saturday; avalanches ran to size 2 with crowns 30 - 100cm in depth above 1800m.  One large avalanche on a SE facing feature went to ground on Monday likely driven by warm temperatures.
On Friday, Numerous Natural and explosive triggered avalanches to size 4, starting dry and ending moist with massive piles of debris at the bottom of paths. Several loose/wet size one avalanches below treeline as well. Things slowed down a bit Saturday; avalanches ran to size 2 with crowns 30 - 100cm in depth above 1800m.  At some point in the last 72 hours a size 3.5 avalanche was naturally triggered in the Smith Basin area.  Looking at photos of the avalanche, it looks like it failed deep in the 'pack, close to the ground.  An avalanche in the Lizard Backcountry Monday failed near the ground on a SE facing slope.
A size 1 windslab was ski cut on Monday on a steep roll in the north of the region. Expect a spike in wind slab avalanche activity with forecast weather.
No new avalanches to report. Expect an an increase in wind slab avalanche activity with forecast weather.
A few small loose dry sluffs were observed in steep lee alpine terrain. Isolated snowballing on solar aspects was observed by mid afternoon.
Reports from Monday include one relatively harmless but surprisingly deep (30-60cm) ski-cut wind slab on a steep rollover. Natural wind slab activity likely occurred Monday afternoon with strong to extreme southeasterly winds.
No new avalanches have been reported but there are few observers in the field. It's likely that thin wind slabs are the primary issue up high, with solar related activity on sunny slopes during the day.
Reports from Monday include numerous soft wind slab avalanches up to size 1.5 occurring naturally as well as with direct and remote human triggers. Sustained heavy loading from snow wind and rain on Tuesday likely resulted in continued natural avalanche activity particularly on lee slopes.
Now new avalanches have been reported or observed. Expect the new snow to be reactive to human triggers on isolated steep slopes.
There were some explosive controlled avalanches up to size 3.0 that released in the storm snow down about 70 cm on various aspects. Avalanches releasing on the deeply buried mid-February surface hoar are becoming less likely. Avalanches may step down to the weak layer of facets or depth hoar on a crust that was buried in October.
Reports from Monday are limited to occasional glide avalanche activity to Size 2.5 in the Coquihalla area. Natural avalanches probably occurred on Tuesday in response to heavy loading from snow, wind, and/or rain. Check out the telemarktips.com South Coast conditions forum for a report of a remotely triggered Size 3 slab avalanche on a north facing couloir in the east side of the Duffey Lake area on Sunday. The slab failed on basal facets and propagated 300m out of the couloir and wrapped around to the adjacent northwest.
A recent report from the northeast part of the region is of a remotely triggered size 3 avalanche from 50m away on a south southeast aspect. The crown was 30-100cm, 200m wide and ran for 250m in length. Very touchy conditions were reported from the far south of the region in the Valkyr Range at the end of the weekend;  A natural avalanche with a 2 km wide crown was reported on an east facing aspect which started in the storm snow and then stepped down to the March 27th crust/facet combo.
No reports of recent significant avalanches in the region.
There have been several reports of avalanches to size 2.5 being remotely rider triggered from long distances (150m-300m) in recent days. These avalanches have been running in the alpine on northeast, east, south and southeast aspects on a layer of facetted crystals and/or facetted crystals sitting on a crust buried 40-80cm deep. In addition, reports from the northern portion of the region indicate a few avalanches running on the deeply buried mid february surface hoar interface. One of these was remotely triggered from a distance of 100m producing a size 3 avalanche with a crown 150-220cm deep and 700m wide.
The region has been very active with avalanches the past 4 days. Natural, explosive and human triggered avalanches have been reported up to size 2.5. Reports come from all aspects, with a bias to north facing slopes. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab. Remote triggering has also been observed.
Explosive control on Monday and Tuesday caused avalanches up to size 3.0 as cornices fell and released the slopes below down to the October crust.
A few small loose wet avalanches were reported during strong solar radiation. A large avalanche in the Elk Valley North was reported to have run a couple of days ago, that logged some trees and scoured down to the ground in the track.
Numerous wet point releases on S aspects up to size 1.5, running up to 300m.  Several lose snow avalanches on N aspect up to size 1.  N aspects saw heavy snowmobile traffic over the weekend high marking into start zones - no snowmobile triggered avalanches observed.
Nothing new was observed, but visibility was quite limited.
Recent reports are generally smaller avalanches (size 2) that are either wind slabs or moist loose slides due to solar warming. Previous reports from last weekend or early in the week include remotely triggered size 3 and a natural avalanche with a 2 km wide crown was reported on an east facing aspect which started in the storm snow and then stepped down to the March 27th crust/facet combo. These shouldn't be forgotten quite yet.
No reports of new avalanches from Wednesday. Explosive control on Monday and Tuesday caused avalanches up to size 3.0 as cornices fell and released the slopes below down to the October crust.
No new avalanches reported. Expect avalanche activity to increase with forecast new snow and wind.
No new avalanches have been reported but there are few observers in the field. It's likely that thin wind slabs are the primary issue up high, with solar related activity continuing on sunny slopes during the day.
Previous reports of remotely triggered avalanches to size 2.5 from 150 - 300m away remain relevant. Aspects include NE, E, SE, and S running on facets, often on a crust buried 40 - 80cm. Also previously reported from the northern areas suggest the deep mid-February surface hoar remains relevant (remotely triggered from 100m size 3). Avalanche reports from Tuesday include cornice triggered  slides (one was a size 3 that pulled down 300cm to glacier ice near Blue River), the facet-crust layer discussed above releasing to size 2.5 primarily on south aspects but also north, and small windslabs on northerly lee slopes.
Explosive control on north-northeast aspects on Tuesday caused size 2.5 avalanches that failed down about 60 cm most of the time, but failed down 200 cm on one slope. There were some explosive controlled avalanches up to size 3.0 that released in the storm snow down about 70 cm on various aspects on Monday. Avalanches releasing on the deeply buried mid-February surface hoar are becoming less likely. Avalanches may step down to the weak layer of facets or depth hoar on a crust that was buried in October. There was another report of a skier who propagated a size 3.0 avalanche on the weekend near Golden; the skier was fully buried and quickly rescued by their companions (the incident is attached to this bulletin).
The region has been very active with avalanches the past 4 days. Natural, explosive and human triggered avalanches have been reported up to size 2.5. Reports come from all aspects, with a bias to north facing slopes. At lower elevations (where the surface is moist) these are running as loose events and at higher elevations the new snow is propagating as a slab. Remote triggering has also been observed. The new storm snow is expected to develop windslabs that may be easily triggered. The recent storm slab may become active with the additional load from the new storm.
Observations from Wednesday morning include a fair amount of human-triggered sluffing involving a thick surface layer of large graupel on shady slopes. Sun exposure is also resulting in small wet loose avalanches and pinwheeling. New snow may continue to be susceptible to human triggers on steep unsupported slopes. Avalanches aren't expected to be particularly large, but could have high consequences in steep  wind-loaded gullies with terrain traps in the runout.
Reports from Tuesday include numerous easily triggered wind and storm slab avalanches up to Size 3. The slabs showed a high propensity to propagate fractures with remote and sympathetic triggers and entire bowls releasing wall-to-wall. Most of the avalanches involved the most recent storm snow, but a few stepped-down over a metre to the crust from late March.
Observations from Tuesday are limited due to poor visibility. But heavy loading from snow wind and rain, as well as rapid warming, likely produced natural avalanches, and resulting storm and wind slabs, and cornices, are probably very touchy. Check out the telemarktips.com South Coast conditions forum for a report of a remotely triggered Size 3 slab avalanche on a north facing couloir in the east side of the Duffey Lake area on Sunday. The slab failed on basal facets and propagated 300m out of the couloir and wrapped around to the adjacent northwest.
Reports from Tuesday include evidence of a widespread natural cycle to Size 3 primarily due to wind-loading during Monday's storm. On Tuesday afternoon, sun-exposure caused numerous wet loose avalanches up to Size 2.0 involving the recent storm snow running on a sun crust. Large glide avalanche activity also continued on solar aspects.
Observations from Tuesday are limited due to poor visibility. Reports include one natural cornice triggered Size 2.5, 100cm thick wind slab avalanche on a north aspect. One recent Size 3 glide slab avalanche was also observed on a south aspect at 1800m.
No new obs
Extensive sluffing up to size 1.5 on all aspects.
Reports from Wednesday include some larger wet sluffs from steep rocky sun-exposed terrain. Cornices have also been failing over the past couple of days, some of which triggered wind slab avalanches up to Size 2 on the slope below.
No new avalanches have been observed or reported. Wet loose avalanches are likely with sun-exposure in the afternoon, although generally small, slow moving and limited to extreme cliffy terrain, they can involve significant mass and have dire consequences if terrain traps are in the runout.
Reports from Wednesday include natural activity up to Size 3 in response to direct sun-exposure. One natural Size 3, 160cm thick slab avalanche on a steep NE facing alpine glacier was suspected to have failed on the late-March interface. A settlement was felt 1 Km away during this avalanche, which suggests a high propensity to propagate fractures. More evidence of the widespread natural avalanche cycle during the storms earlier in the week was also observed, with slabs up to Size 3.5 running full path.
Reports from the Duffey Lake area on Wednesday include evidence of numerous natural slab avalanches up to Size 2.5 from Tuesday morning on northerly facing alpine and treeline slopes. Most failed within the storm snow but late March surface hoar was the suspected culprit for some deeper releases.  One notable cornice-triggered 1.4m deep Size 3 occurred on the North Face of Joffre. Check out the telemarktips.com South Coast conditions forum for a report of a remotely triggered Size 3 slab avalanche on a north facing couloir in the east side of the Duffey Lake area on Sunday. The slab failed on basal facets and propagated 300m out of the couloir and wrapped around to the adjacent northwest.
Reports from Wednesday include wet loose avalanche activity up to Size 2.0 in response to direct sun exposure. Cornices have also been failing over the past couple of days, some of which triggered wind slab avalanches up to Size 2 on the slope below. Large glide avalanche activity also continued on solar aspects.
Control work Thursday produced avalanches to size 2 with most activity being limited to the 20 cm of storm snow.  The storm snow was reportedly quite sensitive to ski cutting, numerous size 1.5 avalanches were triggered in this fashion on N, NE & E facing slopes.  A few deeper avalanches were triggered by control work under headwall features too.
No avalanche activity reported from the region Wednesday or Thursday.  Control work in the Fernie area Thursday produced avalanches to size 2 with most activity being limited to the 20 cm of storm snow.  The storm snow was reportedly quite sensitive to ski cutting, numerous size 1.5 avalanches were triggered in this fashion on N, NE & E facing slopes.  A few deeper avalanches were triggered by control work under headwall features too.
Very soft slab avalanches to size 1 were being triggered naturally and by skiers.  Explosive work produced avalanches to size 2 in the north of the region.  A size 2.5 avalanche was observed in remote terrain near Malachite spire.  Activity slowed down Thursday; preliminary observations are limited to sluffing in steep terrain.  Avalanches releasing on the deeply buried mid-February surface hoar are becoming less likely. Avalanches may step down to the weak layer of facets or depth hoar on a crust that was buried in October. There was another report of a skier who propagated a size 3.0 avalanche on the weekend near Golden; the skier was fully buried and quickly rescued by their companions (the incident is attached to this bulletin).
Recent reports are generally smaller avalanches (size 2) that are either wind slabs or moist loose slides due to solar warming. Previous reports from last weekend or early in the week include remotely triggered size 3 and a natural avalanche with a 2 km wide crown was reported on an east facing aspect which started in the storm snow and then stepped down to the March 27th crust/facet combo. These shouldn't be forgotten quite yet.
Observations from the past few days are limited. Reports include one natural cornice triggered Size 2.5, 100cm thick wind slab avalanche on a north aspect. One recent Size 3 glide slab avalanche was also observed on a south aspect at 1800m.
Previous reports of remotely triggered avalanches to size 2.5 from 150 - 300m away remain relevant. Aspects include NE, E, SE, and S running on facets, often on a crust buried 40 - 80cm. Also previously reported from the northern areas suggest the deep mid-February surface hoar remains relevant (remotely triggered from 100m size 3). Avalanche reports from Tuesday  and Wednesday include  natural and  natural cornice triggered  slides (one was a size 3 that pulled down 300cm to glacier ice near Blue River), the facet-crust layer discussed above releasing to size 2.5 primarily on south aspects but also north, and small windslabs on northerly lee slopes.
Wednesday's snowfall produced the usual direct action avalanches.  Sluffing was rampant in steep wind sheltered terrain while upper elevation wind exposed slopes produced both natural and human triggered small soft slab avalanches to size 1.  A size 3 avalanche was observed on an upper elevation SE-E facing slope that likely came out Tuesday.  Previous to Wednesdays's storm the region was very active with avalanches.  Natural, explosive and human triggered avalanches were reported up to size 2.5.  Remote triggering has also been observed.
Numerous loose dry sluffs on all aspects up to size 1.5.  Report late in the day of a sz 3 off of a SW aspect at Mt Tyrwitt.  No details at this time.  Later in the day, loose wet avalanches were being observed due to solar radiation on solar aspects.
No new avalanches have been observed or reported. Wet loose avalanches are likely with sun-exposure in the afternoon, although generally small, slow moving and limited to extreme cliffy terrain, they can involve significant mass and have dire consequences if terrain traps are in the runout.
No recent avalanche observations from the region.  Control work in the Fernie area Thursday produced avalanches to size 2 with most activity being limited to the 20 cm of storm snow.  The storm snow was reportedly quite sensitive to ski cutting, numerous size 1.5 avalanches were triggered in this fashion on N, NE & E facing slopes.  A few deeper avalanches were triggered by control work under headwall features too.
New observations include loose-wet avalanches up to Size 2 from steep solar aspects.  Reports from Wednesday include natural activity up to Size 3 in response to direct sun-exposure. One natural Size 3, 160cm thick slab avalanche on a steep NE facing alpine glacier was suspected to have failed on the late-March interface. A settlement was felt 1 Km away during this avalanche, which suggests a high propensity to propagate fractures. More evidence of the widespread natural avalanche cycle during the storms earlier in the week was also observed, with slabs up to Size 3.5 running full path.
Recent activity is limited to loose wet avalanches on steeper solar aspects during periods of sunshine. Previous reports from the Duffey Lake area on Wednesday include evidence of numerous natural slab avalanches up to Size 2.5 from Tuesday morning on northerly facing alpine and treeline slopes. Most failed within the storm snow but late March surface hoar was the suspected culprit for some deeper releases. One notable cornice-triggered 1.4m deep Size 3 occurred on the North Face of Joffre. Check out the telemarktips.com South Coast conditions forum for a report of a remotely triggered Size 3 slab avalanche on a north facing couloir in the east side of the Duffey Lake area on Sunday. The slab failed on basal facets and propagated 300m out of the couloir and wrapped around to the adjacent northwest.
Recent reports include wet loose avalanche activity up to Size 2.0 in response to direct sun exposure. Cornices have also been failing over the past couple of days, some of which triggered wind slab avalanches up to Size 2 on the slope below. Large glide avalanche activity also continued on solar aspects.
Control work Thursday produced avalanches to size 2 with most activity being limited to the 20 cm of storm snow.  The storm snow was reportedly quite sensitive to ski cutting, numerous size 1.5 avalanches were triggered in this fashion on N, NE & E facing slopes.  A few deeper avalanches were triggered by control work under headwall features too.
Control work Thursday produced touchy soft slab avalanches up to size 2 that were intentionally triggered by both skiers and explosives.  Widespread sluffing out of steep terrain was also observed.  The sun came out in parts of the region Friday which no doubt initiated some avalanche activity.  Avalanches releasing on the deeply buried mid-February surface hoar are becoming less likely. Avalanches may step down to the weak layer of facets or depth hoar on a crust that was buried in October. There was another report of a skier who propagated a size 3.0 avalanche on the weekend near Golden; the skier was fully buried and quickly rescued by their companions (the incident is attached to this bulletin).
On Thursday reports from the region indicated many natural loose, and loose slab avalanches up to size 2 that are either wind slabs or moist loose slides due to solar warming. In the North Westerly areas of the region, an operator reported a couple skier remote slab avalanches up to size 2. These occurred on E-S aspects, above 2000 m, on the March 27th layer. Previous reports from last weekend or early in the week include remotely triggered size 3 and a natural avalanche with a 2 km wide crown was reported on an east facing aspect which started in the storm snow and then stepped down to the March 27th crust/facet combo. These shouldn't be forgotten yet; especially this weekend.
Reports from Wednesday include some larger wet sluffs from steep rocky sun-exposed terrain. Cornices have also been failing over the past couple of days, some of which triggered wind slab avalanches up to Size 2 on the slope below. Glide cracks are widening at lower elevations.
On Thursday natural avalanche activity up to size 2.5 occurred through the region. Reports indicate several natural cornice failures up to size 2.5. A significant skier remote (from 500 m away) triggered a slab avalanche size 2.5 on a SE aspect @ 2300 m. The crown depth was 80-130 cm, 350 m wide, running 400 m down slope. Also, a skier triggered size 1 was initiated on a cross loaded gully feature beside an exposed ridge. This size 1 then propagated into the adjacent slope triggering a size 2. Earlier this week, reports indicated remotely triggered avalanches to size 2.5 from 150 - 300m away, these remain relevant. Aspects include NE, E, SE, and S running on facets, often on a crust buried 40 - 80cm. Also previously reported from the northern areas suggest the deep mid-February surface hoar remains relevant (remotely triggered from 100m size 3). This layer is sensitive to rider triggers. I suspect natural loose avalanche activity will continue within the recent storm snow due to solar radiation and warming on all aspects. Be aware that remote triggering is a concern right now, also smaller loose avalanches could step down to a deeper instability.
Control work Thursday morning produced dry avalanches from size 1 - 2.  Temps warmed up in the afternoon which produced a widespread solar induced cycle to size 2 on SW, S & SE facing slopes.  Clear skies allowed for good visibility; one operator in the region observed evidence of an extensive natural cycle from April 3rd on S/SE aspects at and above treeline to size 3, failing on the March 26th crust/facet interface.
Observations from the past few days are limited. On Thursday a natural cornice release size 2.5 was reported. This did not pull out a slab on the slope below. On Wednesday reports include one natural cornice triggered Size 2.5, 100cm thick wind slab avalanche on a north aspect. A couple days ago, a size 3 glide slab avalanche was also observed on a south aspect at 1800m. I suspect natural activity will occur throughout the weekend with warming temperatures, and sunny skies. Make observations continually as you travel. Pinwheeling, snowballing, loose sluffing, and avalanches are all indicators of the snowpack deteriorating. I would avoid slopes where these actions are occurring.
A few loose dry slides were observed today on steep N and E aspects up to size 2.0. Also, some small loose wet avalanches occurred on sunny slopes in the afternoon. A very large slide (size 3.5) occurred sometime on Friday in the Tyrwhitt region. This avalanche failed on both the February surface hoar and the basal facets and destroyed approximately 2 Ha of mature forest. It is quite possible that we will see large avalanches as we transition to spring due to a deeper than average snowpack and two concerning deeply buried weak layers.
No new avalanches have been observed or reported. Wet loose avalanches are likely with sun-exposure in the afternoon, although generally small, slow moving and limited to extreme cliffy terrain, they can involve significant mass and have dire consequences if terrain traps are in the runout.
New observations include several loose-wet avalanches up to Size 2 from steep solar aspects. Reports from earlier in the week include natural activity up to Size 3 in response to direct sun-exposure. One natural Size 3, 160cm thick slab avalanche on a steep NE facing alpine glacier was suspected to have failed on the late-March interface. A settlement was felt 1 Km away during this avalanche, which suggests a high propensity to propagate fractures.
A Size 2 skier-triggered avalanche was reported in the Duffey Lake area on Friday. It was triggered on a NE facing alpine slope and is suspected to have failed on the late March sun crust. There have also been a reports of isolated natural slab avalanches to Size 2.5, primarily on solar aspects during the afternoon. Loose wet activity continues on steep solar aspects.
Observations are limited but recent reports include wet loose avalanche activity up to Size 2.0 in response to direct sun exposure. Cornices have also been failing over the past couple of days, some of which triggered wind slab avalanches up to Size 2 on the slope below. Large glide avalanche activity also continued on solar aspects.
Point releases, especially on south facing terrain have been reported from the last few days up to size two. Note, we are currently receiving very little information about this region.
Two remote-triggered avalanches were reported from this region on Friday. One was a size 2.5 on an east aspect near a ridgeline that was triggered close to the slope it ran on. The other was a size 2 on a south aspect that was triggered from 50 m away. Both ran on the crust that formed at the end of March. A cornice release was also reported from this region on a northeast aspect, which resulted in a size 2 slab on the slope below.
On Friday, natural and skier-triggered avalanches occurred up to size 2.5 on a variety of aspects at alpine and upper treeline elevations. The larger avalanches failed on a crust buried around 50 cm.
On Friday, avalanche activity was limited to mostly loose snow avalanches on south facing slopes.
Control work in the region produced avalanches to size 3 on N through E aspects in the Dogtooth Range Friday.  Natural avalanches were observed in the central & southern portions of the region on both shady and sunny slopes at upper elevations to size 3.  In two separate instances cornice fall triggered large avalanches on NE facing slopes in the alpine, something that I suspect will continue through the holiday weekend.
A skier triggered a size 1.5 avalanche with a 20 cm crown on an E facing slope at 2000 m Friday.  Some loose snow activity on a SE facing slope was also reported, but, there is surprisingly little avalanche activity in the region currently.
In the Fernie area a skier triggered a size 1.5 avalanche with a 20 cm crown on an E facing slope at 2000 m Friday.  Some loose snow activity on a SE facing slope was also reported, but, there is surprisingly little avalanche activity in the region currently.
Wednesday's storm snow is now fairly well settled which has scaled avalanche activity way back, although solar aspects above 2000m produced several avalanches to size 1.5 as snow turned moist in the afternoon sun.
Numerous solar triggered loose wet slides up to size 2.0 were observed today. A cornice triggered size 2.5 slab avalanche occurred sometime in the past 36 hours on a steep NW aspect in the alpine near Chester Lake. Cornice failures have triggered very large slides on underlying slopes over the past week, and remain active with the recent intense solar radiation.
No new avalanches have been reported. Loose wet avalanches and glide crack releases remain possible.
New observations include several loose-wet avalanches up to size 2 from steep solar aspects and cornice fall. Reports from last week include natural activity up to size 3 in response to direct sun-exposure and deep, wide slabs which are suspected to have failed on the late-March interface.
A size 2 skier-triggered avalanche was reported in the Duffey Lake area on Friday. It was triggered on a NE facing alpine slope and is suspected to have failed on the late March sun crust. There have also been reports of isolated natural slab avalanches to size 2.5, primarily on solar aspects during the afternoon. Loose wet activity continues on steep solar aspects.
Recent reports include wet loose avalanches up to size 2.5 in response to direct sun exposure. Cornices have also been failing over the past few days, some of which triggered wind slab avalanches up to size 2 on the slope below. Large glide avalanche activity also continued. On Saturday, a size 3 glide release removed trees and left a 4-5 m deposit near Shames. Glide slabs can be unpredictable. Any slopes sporting glide cracks are best avoided.
Very little avalanche activity on Saturday.  The only reported avalanche involved an upper elevation W facing slope in the central portion of the region that produced several solar induced avalanches to size 2.  On Friday control work in the region produced avalanches to size 3 on N through E aspects in the Dogtooth Range.  Natural avalanches were observed in the central & southern portions of the region on both shady and sunny slopes at upper elevations to size 3.  In two separate instances cornice fall triggered large avalanches on NE facing slopes in the alpine, something that I suspect will continue through the holiday weekend.
No avalanche activity reported Saturday or Sunday.  A skier triggered a size 1.5 avalanche with a 20 cm crown on an E facing slope at 2000 m Friday.  Some loose snow activity on a SE facing slope was also reported, but, there is surprisingly little avalanche activity in the region currently.
No avalanche activity reported Saturday or Sunday.  On Friday in the Fernie area a skier triggered a size 1.5 avalanche with a 20 cm crown on an E facing slope at 2000 m Friday.  Some loose snow activity on a SE facing slope was also reported, but, there is surprisingly little avalanche activity in the region currently.
Last week's storm snow is now fairly well settled which has scaled avalanche activity way back.  The only avalanche activity reported Saturday was from a high elevation NW facing slope that failed naturally producing a size 2.5 avalanche.
On Saturday a large (size 3) naturally-triggered avalanche released on a southwest aspect at 2300 m. The avalanche initiated in a shallow rocky start zone and initially pulled out the recent storm snow before stepping down to lower layers, in some places scouring all the way to ground. Another large (size 2.5) avalanche occurred on a northwest aspect at 2300 m and ran all the way to ground.
Point releases, especially on south facing terrain have been reported from the last few days up to size two. A size 3 glide slab was reported to the west of the region on a south-facing slope near Shames. Note, we are currently receiving very little information about this region.
Two remote-triggered avalanches were reported from this region on Friday. One was a size 2.5 on an east aspect near a ridgeline that was triggered close to the slope it ran on. The other was a size 2 on a south aspect that was triggered from 50 m away. Both ran on the crust that formed at the end of March. A cornice release was also reported from this region on a northeast aspect, which resulted in a size 2 slab on the slope below. No avalanches were reported on Saturday.
On Saturday, a size 2 natural avalanche released on a north aspect at 2300 m. On Friday, natural and skier-triggered avalanches occurred up to size 2.5 on a variety of aspects at alpine and upper treeline elevations. The larger avalanches failed on a crust buried around 50 cm.
Numerous loose wet slides were observed on solar aspects up to size 1.5. A size 3.0 naturally triggered slab was observed on the NE aspect of Mt. Cordonnier at 2800m. This slide was 500m wide and over one metre deep.
No new avalanches have been reported.
Recent observations include several loose-wet avalanches up to size 2 from steep solar aspects and wet slabs triggered by skiers below 1400 m. There has been some cornice fall and ice fall. On Sunday, a few small wind slabs were observed at ridge top. Last week, large slabs were suspected to have failed on the late-March interface.
Recent reports include cornice fall and loose wet avalanches. Full-depth size 2-3 glide avalanches have been releasing on rock slabs.
The last observation from this region was a cornice release on Saturday 7th that pulled a size 1.5 slab on a northeast aspect at lower alpine elevation. Based on observations from the Northwest Coastal region, I would expect loose snow avalanches have been occurring up to size 2 on solar aspects.
On Sunday, a very large (size 3) naturally-triggered avalanche was reported on an east aspect at 2700 m that initiated on the late March crust and then stepped down to glacier ice. Loose snow avalanches up to size 1.5 were reported. Several cornice releases were also noted up to size 1. In one instance, a slab pulled out on the slope below as a result of the cornice drop.
There were numerous avalanches reported on south facing slopes on Sunday, including loose snow releases to size 2.5 and slabs to size 3.5. There was more limited activity on north aspects, with one release attributed to a cornice failure and one release attributed to glide activity at treeline elevation.
Recent reports include wet loose avalanches up to size 2.5 in response to warming and sunshine. Large glide avalanches also continued. On Saturday, a size 3 glide release removed trees and left a 4-5 m deep deposit near Shames.
On Sunday, solar activity was reported up to size 2. A size 1.5 skier-triggered avalanche was reported on a north aspect at treeline with a fracture depth of around 30 cm. On Saturday a large (size 3) naturally-triggered avalanche released on a southwest aspect at 2300 m. The avalanche initiated in a shallow rocky start zone and initially pulled out the recent storm snow before stepping down to lower layers, in some places scouring all the way to ground. Another large (size 2.5) avalanche occurred on a northwest aspect at 2300 m and ran all the way to ground.
No recent avalanche activity has been reported. On Friday in the Fernie area a skier triggered a size 1.5 avalanche with a 20 cm crown on an E facing slope at 2000 m Friday.  Some loose snow activity on a SE facing slope was also reported, but, there is surprisingly little avalanche activity in the region currently.
On Sunday a natural cornice fall triggered a large size 3.5 avalanche. This occurred on a North aspect at 2800 m. The width of the avalanche was 100 m, running 1100 m in length. This ran on facets to ground. This may be an indicator of more to come; especially with an increase of solar radiation and high freezing levels. One other natural cornice fall triggered a size 1.5 on the slope below. This cornice chunk triggered the March 27th layer on an East aspect around 2700 m. Last Friday, control work in the region produce avalanches to size 3 on N through E aspects in the Dogtooth Range.  Natural avalanches were observed in the central & southern portions of the region on both shady and sunny slopes at upper elevations to size 3.  In two separate instances cornice fall triggered large avalanches on NE facing slopes in the alpine.
On Monday morning a natural cornice fall triggered a size 2.5 in Fish Bowl, adjacent to the ski area boundary, with no involvements. Snowballing, and small point release avalanches have been fairly widespread on solar aspects through the day. I suspect natural activity will increase over the forecast period with warm temps, and steady freezing levels at 3000 m. Last Friday a skier triggered a size 1.5 avalanche with a 20 cm crown on an E facing slope at 2000 m.  Some loose snow activity on a SE facing slope was also reported, but, there is surprisingly little avalanche activity in the region currently.
On Sunday one skier triggered slab avalanche was reported. This occurred on a North aspect @1950, running 40 m wide and 100 m in length. Other observations from he field have indicated many loose wet slides from steep solar aspects up to size 2. Last week's storm snow is now fairly well settled which has scaled avalanche activity way back.  The only avalanche activity reported Saturday was from a high elevation NW facing slope that failed naturally producing a size 2.5 avalanche.
Widespread solar triggered sluffing occurred through the day up to size 2.5, beginning on SE aspects and progressing to S and W aspects. Several large slab avalanches occurred in the alpine on southerly slopes. These slides were in the range of size 2.5 and 3.0, had fracture depths in excess of one meter and wide propagations.
On Tuesday, continued widespread natural loose wet avalanches occurred from steeper slopes up to size 1. Monday morning a natural cornice fall triggered a size 2.5 in Fish Bowl, adjacent to the ski area boundary, with no involvements. I suspect natural activity will increase over the forecast period with warm temps, and steady freezing levels at 3000 m. Watch glide crack areas, as they are reportedly opening up and could fail at any moment. I suspect Wednesday the region will see a fairly active natural cycle. Danger ratings will stay elevated until temperatures fall and the snowpack starts to tighten up again.
Some loose snow activity on a SE facing slope was reported, but, there is surprisingly little avalanche activity in the region currently.
On Monday, numerous natural slab avalanches up to size 2 were reported. These occurred on solar aspects out of steep rocky terrain. On Sunday a natural cornice fall triggered a large size 3.5 avalanche. This occurred on a North aspect at 2800 m. The width of the avalanche was 100 m, running 1100 m in length. This ran on facets to ground. This may be an indicator of more to come; especially with an increase of solar radiation and high freezing levels. One other natural cornice fall triggered a size 1.5 on the slope below. This cornice chunk triggered the March 27th layer on an East aspect around 2700 m.
On Tuesday reports indicated widespread snowballing up to 2200 m with some natural loose wet avalanches up to size 1.5. On Monday a skier triggered slab avalanche (size 1.5) was reported. This occurred on a North aspect @1900, running 40 m wide and 80 m in length. Other observations from he field have indicated many loose wet slides from steep solar aspects up to size 2. I suspect loose wet, and wet slab avalanches to become a problem through Thursday. The danger ratings will remain elevated as we get hit by moderate-heavy precipitation on Thurs/Fri.
No new avalanches have been reported.
On Sunday, skiers triggered size 1-2 wind slabs on north-west and west aspects following overnight winds. Other recent observations include several loose-wet avalanches up to size 2 from steep solar aspects and wet slabs triggered by skiers below 1400 m. There has been some cornice fall and ice fall.
Recent reports include cornice fall and loose wet avalanches. Full-depth size 2-3 glide avalanches have been releasing on rock slabs.
Recent reports include wet loose avalanches up to size 2.5 in response to warming and sunshine. Large glide avalanches were also reported. On Saturday, a size 3 glide release removed trees and left a 4-5 m deep deposit near Shames. Last week, a large icefall triggered a slab in the Bear Pass area, creating a size 4 avalanche.
Over the past few days, many small and large wet loose snow avalanches occurred in response to daytime warming and direct solar radiation. Numerous size 2-3.5 slab avalanches also occurred on sun-exposed aspects, with more isolated activity on shaded aspects. One report indicated a wet loose snow avalanche that triggered a slab that most likely ran on the mid-February surface hoar.
On Monday numerous avalanches were reported on a variety of aspects, including loose snow releases to size 2.5 and slabs to size 3.5. There has also been an increase in glide crack activity (mostly below treeline) to size 3.5.
On Sunday, a very large (size 3) naturally-triggered avalanche was reported on an east aspect at 2700 m that initiated on the late March crust and then stepped down to glacier ice. There have also been numerous loose snow avalanches running on steep solar aspects to size 2.5.
We have had very little information about recent avalanche activity from this region. Based on observations from the Northwest Coastal region, I would expect wet loose snow avalanches have been occurring up to size 2 on solar aspects.
few Na wet loose avalanches, to size 2 on east aspect on transitional snowpack region. Disclaimer- observations limited to south klondike highway and Log Cabin.
Control run on EEOR and on the Buller Corner area.  No results bigger than size 2.  Warm temps continue to produce numerous loose wet avalanches up to size 1 on all aspects except for true north.
No new avalanches have been reported.
On Tuesday, several size 1-2 loose moist avalanches were triggered by solar warming or by people. On Sunday, a natural and human-triggered wind slab cycle occurred on north-west and west aspects following overnight winds. A size 3 natural slab is suspected to have stepped down to the March crust on Monday. It failed on a sun-exposed south-west aspect at 2300 m. There has also been some cornice fall.
Recent reports include cornice fall and loose wet avalanches. Full-depth size 2-3 glide avalanches have been releasing on rock slabs.
Recent reports include wet loose avalanches up to size 2.5 in response to warming and sunshine. Large glide avalanches were also reported. On Saturday, a size 3 glide release removed trees and left a 4-5 m deep deposit near Shames. Last week, a large icefall triggered a slab in the Bear Pass area, creating a size 4 avalanche.
We have had very little information about recent avalanche activity from this region. Based on observations from the Northwest Coastal region, I would expect wet loose snow avalanches have been occurring up to size 2 on solar aspects.
On Wednesday many loose wet avalanches were reported up to size 2. A significant size 3 wet slab was also seen on a south aspect before lunch time.
Over the past few days, many wet loose snow avalanches to size 2.5 occurred in response to daytime warming and direct solar radiation. Numerous size 2-3.5 slab avalanches also occurred on sun-exposed aspects, with more isolated activity on shaded aspects. There has also been an increase in glide crack activity (mostly below treeline) to size 3.5. With forecast weather, I expect a shift from wet snow avalanches to storm snow instabilities at higher elevations, while wet snow instabilities will still exist below treeline.
On Tuesday, continued widespread natural loose wet avalanches occurred from steeper slopes up to size 1. Monday morning a natural cornice fall triggered a size 2.5 in Fish Bowl, adjacent to the ski area boundary, with no involvements. I suspect natural activity will increase over the forecast period with warm temps, and steady freezing levels at 3000 m. Watch glide crack areas, as they are reportedly opening up and could fail at any moment. I suspect Wednesday the region will see a fairly active natural cycle. Danger ratings will stay elevated until temperatures fall and the snowpack starts to tighten up again.
Numerous avalanches were recently reported on a variety of aspects, including loose snow releases to size 2.5 and slabs to size 3.5. There has also been an increase in glide crack activity (mostly below treeline) to size 3.5. With forecast weather, I expect a shift from wet snow avalanches to storm snow instabilities at higher elevations, while wet snow instabilities will still exist below treeline.
Loose snow activity on a SE facing slopes have occurred. Most of this consists of pinwheeling, and point release avalanches involving the surface snow, no slabs.
On Sunday, a very large (size 3) naturally-triggered avalanche was reported on an east aspect at 2700 m that initiated on the late March crust and then stepped down to glacier ice. More recently, there have been numerous loose snow avalanches running on steep solar aspects to size 2.5.  With forecast weather, I expect a shift from wet snow avalanches to storm snow instabilities at higher elevations, while wet snow instabilities will still exist below treeline.
On Tuesday reports indicated widespread snowballing up to 2200 m with some natural loose wet avalanches up to size 1.5. On Monday a skier triggered slab avalanche (size 1.5) was reported. This occurred on a North aspect @1900, running 40 m wide and 80 m in length. Other observations from he field have indicated many loose wet slides from steep solar aspects up to size 2. I suspect loose wet, and wet slab avalanches to become a problem through Thursday. The danger ratings will remain elevated as we get hit by moderate-heavy precipitation on Thurs/Fri.
1 Wet loose Na 1.5 observed on East aspect (1500m), suspect occurred sometime mid-day.
Numerous loose wet slides at lower elevations due to rain.  Limited visibility into higher elevations.
No new avalanches have been reported.
On Tuesday, several size 1-2 loose moist avalanches were triggered by solar warming or by people. On Sunday, a natural and human-triggered wind slab cycle occurred on north-west and west aspects following overnight winds. A size 3 natural slab is suspected to have stepped down to the March crust on Monday. It failed on a sun-exposed south-west aspect at 2300 m. There has also been some cornice fall.
Recent reports include cornice fall and loose wet avalanches. Full-depth size 2-3 glide avalanches have been releasing on rock slabs.
Several natural glide avalanches were reported this week on E to SW aspects below treeline, in the size 2-3.5 range. Wet loose avalanches up to size 2.5 were also observed in response to warming and sunshine. Last week, a large icefall triggered a slab in the Bear Pass area, creating a size 4 avalanche.
On Wednesday many natural loose wet avalanches were reported up to size 2.5 on South aspects. A significant size 3 wet slab was also seen on a south aspect before lunch time.
No new avalanche observation reported.
On Tuesday, continued widespread natural loose wet avalanches occurred from steeper slopes up to size 1. Monday morning a natural cornice fall triggered a size 2.5 in Fish Bowl, adjacent to the ski area boundary, with no involvements. I suspect natural activity will increase over the forecast period with warm temps, and steady freezing levels at 3000 m. Watch glide crack areas, as they are reportedly opening up and could fail at any moment. I suspect Wednesday the region will see a fairly active natural cycle. Danger ratings will stay elevated until temperatures fall and the snowpack starts to tighten up again.
On Wednesday, explosive avalanche control produced numerous avalanches on SE-SW slopes up to 2200 m. Loose wet, and wet slabs ran to size 3. Most crown depths were 60-80 cm deep, entraining mass, and scrubbing to ground in many areas. Large natural triggers like cornice fall, rain, and solar induced avalanches may be able to duplicate these types of avalanches. Tuesday reports indicated widespread snowballing up to 2200 m with some natural loose wet avalanches up to size 1.5. On Monday a skier triggered slab avalanche (size 1.5) was reported. This occurred on a North aspect @1900, running 40 m wide and 80 m in length. Other observations from he field have indicated many loose wet slides from steep solar aspects up to size 2. I suspect loose wet, and wet slab avalanches to become a problem through Thursday. The danger ratings will remain elevated as we get hit by moderate-heavy precipitation on Thurs/Fri.
No new avalanches were reported from this region.
No new avalanches were reported from the region on Wednesday: however, observations were extremely limited. I suspect that there was continued natural wet avalanche activity in response to very warm temperatures and intermittent direct solar radiation. With the current weather pattern, I expect a shift from wet snow avalanches to storm snow instabilities at higher elevations, while wet snow instabilities will still exist below treeline.
On Thursday, daytime warming was responsible for a size 2.5 slab avalanche that took place on a steep, south-facing slope at 2250m.  There were also several wet loose snow avalanches to size 2 that took place in steep alpine terrain.With forecast weather, I expect a shift from wet snow avalanches to storm snow instabilities at higher elevations, while wet snow instabilities will still exist below treeline.
On Wednesday and Thursday, numerous wet slab and wet loose snow avalanches to size 3 were reported in the region. They failed at all aspects and elevations bands, and occurred in response to very warm temperatures.With forecast weather, I expect a shift from wet snow avalanches to storm snow instabilities at higher elevations, while wet snow instabilities will still exist below treeline.
South aspects had numerous wet loose avalanches up to size 2 (running 200m).  North aspects also had many wet loose avalanches however, these were much less massive than the southern side.  Cornice observations revealed no failures at this time. Snowpack observations from east side of White Pass.
1 size 3 avalanche on a NE aspect on Ha Ling.  Slide was 1000m long with a fracture width of 300m.  Depths of the crown were variable from 1.5m to 60cm.  Slide ran full path taking out mature timber.  Numerous loose wet slides were observed below 2000m due to the recent rain.  Two loose wet slides covered the closed section of HWY 742 below the EEOR overnight.  Observations were limited in the southern part of the forecast region due to limited visibility.
Recent reports include cornice fall and loose wet avalanches. Full-depth size 2-3 glide avalanches have been releasing on rock slabs.
Several natural glide avalanches were reported this week on E to SW aspects below treeline, in the size 2-3.5 range. Wet loose avalanches up to size 2.5 were also observed in response to warming and sunshine. Last week, a large icefall triggered a slab in the Bear Pass area, creating a size 4 avalanche.
No new avalanches have been reported.
Recent observations include cornice falls (size 1-2) and glide slab releases to size 3.5. Loose moist avalanches were observed during warm sunny weather earlier in the week.
There was a size 2.5 slab avalanche that released naturally on the March 27th crust near Golden. On Thursday there were natural and explosive controlled avalanches up to size 3.0 that were suspected to have run on the March 27th weak layer.
Some loose moist and wet loose snow avalanches up to size 1.5  There are very few operators reporting from the region.
On Thursday, explosive avalanche control produced numerous avalanches on SE-SW slopes up to 2200 m. Loose wet, and wet slabs ran to size 3.  The snowpack has been reported to be isothermic below about 1500 metres and likely to be scrubbed down to the ground if releases from above make it down to lower elevations. Forecast high pressure may bring back more of a melt-freeze cycle above 1200 metres. Moist and wet avalanches are expected to continue during daytime warming or periods of rain showers.
Numerous wet slab and wet loose snow avalanches to size 3 were reported in the region on Thursday, some running full path to ground. They failed at all aspects and elevations bands, and occurred in response to very warm temperatures.Expect ongoing wet snow avalanche activity throughout the weekend, especially at lower elevations,
On Thursday, daytime warming was responsible for a size 2.5 slab avalanche that took place on a steep, south-facing slope at 2250m. There were also several wet loose snow avalanches to size 3 that took place in steep terrain. Expect ongoing wet snow avalanche activity throughout the weekend, especially at lower elevations.
There was a natural wet avalanche cycle to size 3 on Thursday or Friday that occurred in response to warm temperatures and intermittent solar radiation. I expect ongoing wet snow instabilities throughout the weekend, especially at lower elevations.
non observed
No new avalanche observation reported.
No new avalanches were reported from this region.
A few new isolated loose snow avalanches from higher elevations on all aspects up to size 2.  At lower elevations below 2000m, a few wet slab avalanches were observed in the HWY40 drainage due to recent winds.  These wet slabs can be very destructive and as a result, a few paths have been extended beyond their historical boundaries.
No new avalanches have been reported.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Several natural glide avalanches were reported this week, in the size 2-3.5 range. Wet loose avalanches up to size 2.5 were also observed in response to warming from rainfall and sunshine.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Recent observations include cornice falls (size 1-2) and glide slab releases to size 3.5. Loose moist avalanches have been observed during periods of warming.
Recent reports include cornice fall and loose wet avalanches. Full-depth size 2-3 glide avalanches have been releasing on rock slabs.
No new avalanches were reported from this region.
Numerous wet slab and wet loose snow avalanches to size 2.5 were reported in the region on Friday. They failed on various aspects at lower elevations, and occurred in response to daytime warming.I suspect cooling on Saturday will assist in limiting avalanche activity at higher elevations; however, it's all about solar radiation and freezing levels at this time. If it warms-up and/or if solar radiation intensifies, avalanche activity will increase.
Numerous wet slab and wet loose snow avalanches to size 2.5 were reported in the region on Friday. The slab avalanches were glide releases. They failed on various aspects at lower elevations, and occurred in response to daytime warming.I suspect cooling on Saturday will assist in limiting avalanche activity at higher elevations; however, it's all about solar radiation and freezing levels at this time. If it warms-up and/or if solar radiation intensifies, avalanche activity will increase.
There was a natural wet avalanche cycle to size 3 on Thursday or Friday that occurred in response to warm temperatures and intermittent solar radiation. I expect ongoing wet snow instabilities throughout the weekend, especially at lower elevations or when solar radiation is strong.
Loose dry and loose wet sluffing up to size 1.5 on all aspects.
No new avalanches have been reported.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
Recent observations include cornice falls (size 1-2) and glide slab releases to size 3.5. Loose moist avalanches have been observed during periods of warming.
Recent reports include cornice fall and loose wet avalanches during periods of warming. Full-depth size 2-3 glide avalanches have been sporadically releasing on rock slabs.
Several natural glide avalanches were reported this week, in the size 2-3.5 range. Wet loose avalanches up to size 2.5 were also observed in response to warming from rainfall and sunshine.
Spring conditions exist in the region. Exposure to the sun, warm temperatures, and periods of rain are the most likely factors to influence the avalanche danger. If the temperatures go below freezing overnight, strong crusts should develop that are likely to hold the snowpack together. If the sun shines for a few hours, the crusts may break down quickly and moist surface snow avalanches may start running naturally. Continued warming from more sun, rain, or no overnight freeze, may cause surface avalanches to step down and trigger deeper wet slab avalanches. Prolonged warming may cause very deep releases on weak layers that were deposited early in the season, or on depth hoar that developed during the winter. It is important to monitor the temperature and the freezing levels as they may change rapidly from day to day.
As we transition into spring the surface layers have a great deal of influence on the snowpack. When there is a solid re-frozen surface crust, travel is fast and easy, and the snowpack is held together by the surface cap. Any deeper persistent weak layers are unlikely to fail until the surface cap breaks down from daytime heating. When there is no crust, any deeper weak layers may fail depending on the amount of heat and the triggering force that is applied. If it cools off and snows, new snow and windslabs may not bond well to the hard spring crusts.
A few soft slabs to size 1 were reported from the region on Saturday. They reacted between recent storm snow and a crust that was buried on April 12th. A few loose wet avalanches to size 2.5 were also reported while glide cracks at lower elevations continued to produce releases to size 3.
No new avalanches were reported form the region, but that may be attributed to the lack of observations. In a neighboring region glide crack releases to size 3 were observed at lower elevations while new storm slabs to size 1 were observed above 2000m.
A size 2 cornice fall was observed on Saturday on an east aspect at 2500m. It did not release an avalanche on the slope below. On Sunday, numerous wet loose avalanches to size 2 were observed on solar aspects.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Some avalanches up to size 2.0 have been reported from explosive control, releasing the recent storm slab down about 40 cms on NE aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive testing produced numerous size 1-1.5 slab avalanches on NW-N aspects. All instabilities reacting within the storm snow.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No new avalanche observations. No signs of whumphing or cracking were observed in the Harvey Pass area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several natural and skier triggered avalanches up to size 1.5 were reported in the Kootenay Pass area on Friday. Most of these avalanches were 25-30 cm deep and were probably releasing on a surface hoar layer or crust. The size and likelihood of natural and human triggering avalanches will increase with continued precipitation over the next few days. If you and your friends have been out exploring and riding in the backcountry and have some observations to share please send an email to forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches reported in the region. If you have any observations, you can share them </span><a id='GoToAdded' href="http://forecaster@avalanche.ca" target="_blank"><span class="s_9255B882">here</span></a><span class="s_AA239A9B">.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There was one report late last week of a size 2.5 natural avalanche that likely released on the early November persistent weak layer. There are no other recent observations. We welcome all observations at forecaster@avalanche.ca. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural avalanches have been reported. Currently, information is extremely sparse for this region. If you have been out exploring the backcountry and enjoying the snow, please share your snowpack and /or avalanche observations with us.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Email info to forecaster.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Thursday: a report of a skier triggered size 1.0 occurred on a E-SE aspect @ 1180 m, down 10-40 cm and 15 m wide, on a convex cross-loaded terrain feature. Explosive control performed in the region also triggered several size 1.0-1.5 slab avalanches, 25 cm deep, 30 m wide. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations. Please let us know what you are seeing out there. </span><a id='GoToAdded' href="http://forecaster@avalanche.ca" target="_blank"><span class="s_69909980">forecaster@avalanche.ca</span></a><span class="s_1681A555" /></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations include several natural or explosive triggered avalanches up to size 2 from the north part of the region. The size and likelihood of both natural and human triggered avalanches will increase with forecast snow and wind. We welcome all field observations at forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Observations were very limited due to poor visibility, but two small to medium size slides were heard (but not seen) coming from a steep E aspect at 2700m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations have been reported. With strong winds and heavy precipitation forecast for Tuesday, expect avalanche danger to be on the rise with natural avalanche activity likely.</span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday widespread natural avalanche activity was reported size 1.0-2.0. On Saturday a size 1.5 skier triggered avalanche occurred below treeline, running on a crust in a specific terrain feature. Explosive testing done produced several size 1-2 slab avalanches, initiating within the storm slab instabilities. Wider propagations have been seen from convex terrain, remote triggering is likely. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some avalanches up to size 1.0 have been reported from explosive control, releasing wind slabs down about 20 cms on NE aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Thursday: a report of a skier triggered size 1.0 occurred on a E-SE aspect @ 1180 m, down 10-40 cm and 15 m wide, on a convex cross-loaded terrain feature. Explosive control performed in the region also triggered several size 1.0-1.5 slab avalanches, 25 cm deep, 30 m wide. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural avalanches have been reported. Currently, information is extremely sparse for this region. If you have been out exploring the backcountry and enjoying the snow, please share your snowpack and /or avalanche observations with us.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Email info to forecaster.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several natural and human triggered avalanches up to size 2 were reported in the Kootenay Pass area on Friday and Saturday. Most of these avalanches involved the recent moist storm snow. The size and likelihood of natural and human triggering avalanches should increase with continued precipitation over the next couple days. If you and your friends have been out exploring and riding in the backcountry and have some observations to share please send an email to forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread natural avalanche cycle was reported on Saturday, with several avalanches up to size 3. Most of the reported activity appeared to fail on the late November surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations; however, it is likely that was a natural avalanche cycle on Saturday and into Sunday. Avalanche activity should continue and increase over the next couple days. We welcome all observations at forecaster@avalanche.ca. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Explosive controlled avalanches up to size 3.0 were reported from steep NE aspects in the alpine on Saturday. Fractures varied from 30 cms to 100 cms.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread natural avalanche cycle was reported in parts of the region on Saturday. Avalanches up to size 2 were observed, mainly involving the recent storm snow and likely failing on the late November surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few loose dry avalanches for steeper unskiable terrain up to size 2.  Skies were obscured most of the day and forecasters had limited opportunities to get a good look up and into Alpine areas.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several loose naturally triggered avalanches were heard but not seen today. Estimate the sizes were between 1.0 and 2.0. Possibly some were triggered by cornice collapses and all originated in steep N and E aspects in the Alpine.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several natural avalanches up to size 2.5, and skier controlled avalanches up to size 2 were reported over the weekend. A natural avalanche cycle was observed primarily on Saturday. Expect avalanche activity to increase again on Tuesday with forecast wind and snow. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations; however, it is likely that was a natural avalanche cycle on Saturday and into Sunday. Avalanche activity should increase again on Tuesday with forecast moderate snowfall and very strong winds. We welcome all observations at forecaster@avalanche.ca. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several natural avalanches up to size 2, with isolated events up to size 3, were reported over the weekend. Most of these avalanches released within or under the recent storm snow. Avalanche activity should increase again on Tuesday with more snow and very strong winds in the forecast. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several natural and skier triggered slab avalanches up to size 2 were reported throughout the region on the weekend. Most of these avalanches were 40-50cm deep and involved the recent storm snow. Check out the </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">Incident Report database</span></a><span class="s_3FE45715"> for a couple recent submissions. I expect much of the same for Tuesday with forecast snow, strong winds, and warming. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations have been reported. With strong winds and heavy precipitation forecast for Tuesday, expect avalanche danger to be on the rise with natural avalanche activity likely.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday widespread natural avalanche activity was reported size 1.0-2.0. On Saturday a size 1.5 skier triggered avalanche occurred below treeline, running on a crust in a specific terrain feature. Explosive testing done produced several size 1-2 slab avalanches, initiating within the storm slab instabilities. Wider propagations have been seen from convex terrain, remote triggering is likely.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches to report. This may speak more to a lack of observations than actual conditions. Any field observations can be sent to forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">A few explosives controlled avalanches to size 1.5 were reported on Monday. They released in steep north facing alpine terrain . A size 2 corniced triggered natural slab avalanche was also observed in similar terrain. Recent avalanche activity most likely occurred within recent storm layers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports of several loose, dry sluffs size 1.5 from steep, rocky terrain features running mid-path on Northerly aspects. For a bit more information in the Hankin Area, check out the </span><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank"><span class="s_B5813F7D">Regional Forum Posts.</span></a><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday in the Shames area, a fairly large (no size was listed) natural avalanche had was seen on a North aspect initiating from the alpine just below the ridgeline. A couple skier triggered size 1.5 slab avalanches were reported from the same group skiing down from the Dome. The slab initiated as the second skier made a turn over a convex slope. The slab was 20-40 cm deep, 20-30 m wide and ran approx. 50 m down slope. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">For more information and observations from the area, please check out the </span><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank"><span class="s_42FC617C">Regional Forum Posts. </span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank" /><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports of several loose, dry sluffs size 1.5 from steep, rocky terrain features running mid-path on Northerly aspects. For a bit more information in the Hankin Area, check out the </span><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank"><span class="s_B5813F7D">Regional Forum Posts.</span></a><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Monday a size 3 natural icefall avalanche was reported. Several natural sluffs size 1-1.5 initiated from steep terrain in below treeline elevations. Explosive avalanche control work also saw size 1-2 slab avalanches from North aspects, all failing in the recent storm snow. On Sunday in the Shames area, a fairly large (no size was listed) natural avalanche had was seen on a North aspect initiating from the alpine just below the ridgeline. A couple skier triggered size 1.5 slab avalanches were reported from the same group skiing down from the Dome. The slab initiated as the second skier made a turn over a convex slope. The slab was 20-40 cm deep, 20-30 m wide and ran approx. 50 m down slope. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">For more information and observations from the area, please check out the </span><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank"><span class="s_9255B882">Regional Forum Posts. </span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank" /><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several 60-70cm deep storm slab avalanches up to Size 2.0 were </span><a id='GoToAdded' href="http://fsavalanche.com/Encyclopedia/ski_cut.htm" target="_blank"><span class="s_9255B882">ski cut</span></a><span class="s_AA239A9B"> on north facing unsupported treeline rolls on Monday. These all ran on </span><a id='GoToAdded' href="http://fsavalanche.com/Encyclopedia/surface_hoar.htm" target="_blank"><span class="s_9255B882">surface hoar</span></a><span class="s_AA239A9B"> buried late last week. In the alpine, explosive controlled cornices triggered several 20-40cm thick Size 1.0-2.0 soft wind slab avalanches on west through northeast aspects, and many natural avalanches were heard running in very steep high alpine areas on north aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from the Whistler area on Monday include numerous explosive-triggered and ski cut 20-100cm deep Size 1.0-2.0 storm slab and wind slab avalanches on northwest through east facing treeline and alpine slopes. One 50-150cm deep Size 2 slab avalanche may have </span><a id='GoToAdded' href="http://fsavalanche.com/Encyclopedia/stepping_down.htm" target="_blank"><span class="s_B5813F7D">stepped-down</span></a><span class="s_3FE45715"> to the early November deep persistent weakness.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations have been reported; however, heavy loading from snow and wind on Tuesday likely resulted in natural avalanche activity, particularly on leeward slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations; however, I suspect natural avalanche activity will  increase into Wednesday with forecast snowfall and  strong winds. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several natural avalanches size 2 and an isolated event size 3 on North-South aspects, suspect wind slab instabilities. Most of these avalanches released within or under the recent storm snow. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Several size 1-1.5 soft slabs were ski cut in the Westcastle area on Monday. They occurred with the recent storm snow on north to northeast facing terrain between 1900 and 2200m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Numerous explosives controlled avalanches to size 2 were reported on Tuesday. They released in steep north facing alpine terrain. A size 2 cornice-triggered natural slab avalanche was also observed in similar terrain on Monday. The most recent avalanche activity most likely occurred within recent storm layers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several natural skier triggered slab avalanches up to size 2 were reported throughout the region on the weekend. Check out the </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">Incident Report database</span></a><span class="s_3FE45715"> for a couple recent submissions. I expect much of the same with wind and snow forecast for Tuesday night.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">One skier controlled Size 2 on NE as at TL.  50-70cm deep x  75m wide.  Ran full path (a 30m high convex roll).  Storm slab was F-4F resistance overlying a 1F old snow surface.  Limited observations due to obscured sky conditions.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> On Monday whumphing and cracking was observed in the Invermere area between 2150m and 1850m. A slab avalanche (50cm deep/ 15-20m wide) was ski cut in the same area on a north aspect between 1900 and 2000m. It was suspected to have run on the early November faceted rain crust. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Any field observations can be sent to forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Numerous loose dry avalanches up to sz 1.5 were observed throughout the forecast region.  Upper snowpack is sluffing easily with skier traffic.  A suprising lack of slab avalanche activity was observed.  Also, we recieved a 3rd hand report of a skier accidental avalanche in the area surrounding Murray Moraines.  The slide was a sz2 with one person partially buried loosing some gear.  Details are sketchy and we have not had the stability to investigate the area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Tuesday: Isolated natural size 2.0 avalanches from steep terrain features. Numerous size 2.0 explosive controlled avalanches 1400 m and above on North aspects , running within the new storm snow.<br /><br /></span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some small stiff wind slab releases were reported from explosive control during the storm on Tuesday. There is one report of a size 3.0 avalanche from very steep un-skiable terrain on a lee aspect in the northeast of the region in the Selkirks. There is also a report from the north of the region in the Monashees of a size 3.0 avalanche on a 30-40 degree slope NE aspect at 2200 metres that was 100-150 cms deep and ran on the early november rain crust.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports of several isolated loose dry sluffs from steep terrain features. For a bit more information in the Hankin Area, check out the </span><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank"><span class="s_B5813F7D">Regional Forum Posts.</span></a><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Tuesday a couple size 3 natural avalanches were reported from the South Columbia Region. These occurred on Northerly aspects above 2000 m, one was noted to have failed on the early November facet/crust interface and running 300-500 m in length. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations from the North Columbia region, but I suspect that is due to weather, and lack of operations being out. Natural activity is still possible, and rider triggers are likely; especially on wind loaded slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations from this Region. I suspect a natural avalanche cycle may have occurred. The weight of a human rider is likely to trigger avalanches at treeline and above, especially on wind loaded aspects and behind terrain features.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Any observations from the field are welcome at forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday several natural avalanches to size 2 were reported from the region while explosives control produced isolated releases to size 2.5. These releases which occurred at treeline and above are suspected to have run within recent storm/wind layers or on the late November surface hoar.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">A widespread natural and explosives triggered avalanche cycle occurred on Tuesday night and Wednesday. The cycle took place in response to rapid loading and strong winds and produced slab avalanches to size 2.5.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Tuesday, releases on the early November crust to size 1.5 were observed on a variety of aspects in the Invermere area between 2300m and 1800m. Triggering has been by explosives use and ski cutting, while one event was a skier accidental. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">I expect significant wind slab activity in the wake of strong winds and snowfall on Tuesday/Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some size 1.0&nbsp; stiff wind slab releases in the alpine on Monday. Very strong winds during the storm stripped fetch zones and transported snow well down lee slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new reports from the Coquihalla. The Duffey Lake area reports numerous natural cornice releases up to size 2.0, and one size 2.5 from a West aspect at 2150 metres. Suspect the sliding weak layer to be the late November surface hoar that is buried down about 70 cms.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">I expect fairly widespread windslab activity in the wake of the strong winds and snowfall on Tuesday night.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Avalanche control on EEOR Thursday produced one Size 3 SSL and 5 Size 2 SSL.  Bed surfaces were ground and the November Cr layer.  One section of road buried 1-2 M deep X 60M wide.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported. Ski cutting produced no results at local ski hills.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some natural cornice falls were reported up to size 2.0 after the recent very strong wind event. Some explosive controlled stiff wind slabs were reported up to size 1.5 from the Whistler area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control in the Duffey Lake area resulted in avalanches up to size 2.5 that were 30-40 cms deep.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Observations in the region have been limited; however, on Thursday explosives control produced avalanches to size 1.5 that ran within recent storm layers. There was also an isolated size 1.5 release that failed to ground in steep, unskiable, rocky terrain with crown depths to 85cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports indicate natural avalanches to size 1.5. These been running in the most recent storm snow. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports of several isolated loose dry sluffs from steep terrain features. For a bit more information in the Hankin Area, check out the </span><a id='GoToAdded' href="http://avalanche.ca/Forums/" target="_blank"><span class="s_B5813F7D">Regional Forum Posts.</span></a><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations from this Region. Recent reports indicate a few natural avalanches to size 2.5 in the past 48 hours running in the recent storm snow 60-80cm deep on a north aspect at 2200m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday several natural avalanches to size 2 were reported from the region while explosives control produced isolated releases to size 2.5. These releases which occurred at treeline and above are suspected to have run within recent storm/wind layers or on the late November surface hoar. No avalanches were reported from the region on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">A widespread natural and explosives triggered avalanche cycle occurred on Tuesday night and Wednesday. The cycle took place in response to rapid loading and strong winds, and produced slab avalanches to size 3. I would suspect that with cooling, lighter winds and decreased precipitation the likelihood of triggering an avalanche may decrease somewhat. Having said that, if you manage to hit the sweet spot, releases may continue to be large and destructive as deep instabilities may just be getting primed for triggering.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Professionals working in the Southern Selkirks experienced a very large settlement that propagated a fracture about one kilometre (1000 metres) on Wednesday. The fracture was reported to have traveled through some forest and across several pieces of avalanche terrain without releasing an avalanche. The loud whumph was the result of a failure on the deeply buried early November rain crust. After this experience, some explosive control from a helicopter resulted in a size 3.0 avalanche releasing on the buried crust that was approximately 200 cms below the surface. There was also natural and explosives controlled avalanches on the November 28th surface hoar layer that is buried down 40-70 cms.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports from the South Columbia region indicate the buried November facet/crust combination may be waking up. Avalanche observations from the North Columbia region indicate isolated natural and explosives triggered avalanches to size 3.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Professionals working in the Southern Selkirks experienced a very large settlement that propagated a fracture about one kilometre (1000 metres) on Wednesday. The fracture was reported to have traveled through some forest and across several pieces of avalanche terrain without releasing an avalanche. The loud whumph was the result of a failure on the deeply buried early November rain crust. After this experience, some explosive control from a helicopter resulted in a size 3.0 avalanche releasing on the buried crust that was approximately 200 cms below the surface. There was also natural and explosives controlled avalanches on the November 28th surface hoar layer that is buried down 40-70 cms.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control in the Duffey Lake area resulted in avalanches up to size 2.5 that were 30-40 cms deep on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We have a report from Thursday of a small size 1.0 skier/rider accidental triggered avalanche on a NE aspect at 1900 metres that released in the new snow. There have been no new avalanches reported releasing on the November rain crust.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Observations in the region have been limited; however, on Thursday explosives control produced avalanches to size 1.5 that ran within recent storm layers. There was also an isolated size 1.5 release that failed to ground in steep, unskiable, rocky terrain with crown depths to 85cm.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Close to Invermere, a natural cornice release triggered a size 2 avalanche on a northwest facing alpine slope. The avalanche was about 120cm deep and ran on the early November faceted crust.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Avalanche observations from the North Columbia region indicate isolated natural avalanches to size 3. It is unknown at this how deep these avalanches are running.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No avalanches were reported from the region on Friday. This may speak more to a lack of observations than actual avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Explosives testing north of the Stewart region indicate avalanches running to size 2.5 in north facing terrain. These were isolated to the most recent storm snow. Any recent natural activity has been reported to size 1.5 and is also isolated to the recent storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There is no new avalanche activity to report at this time. If you have been traveling in the backcountry recently, send us your observations. Every bit of information helps us to produce a better product. Email us at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nc, sz2.5, Loose snow, 2800m, NE aspect, 80m X 600m, </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">A widespread natural and explosives triggered avalanche cycle occurred on Tuesday night and Wednesday. The cycle took place in response to rapid loading and strong winds, and produced slab avalanches to size 3. Some of these slides most likely involved persistent weak layers.</span></p><p class="p_CC664AAA"><span class="s_1681A555">I would suspect that by now there is fairly widespread avalanche activity to size 2, occurring mostly within the recent storm snow. Having said that, we are still learning about the reactivity of deeper persistent layers. As new snow continues to add load and test these weaknesses, deep and destructive releases remain a possibility. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations from this region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Lots of loose dry avalanches in the last 24hrs. Most out of very steep(45 degree plus) terrain, all aspects and limited to the alpine. Cornice failure has been a theme lately. The most significant observation was on the North face of Mt. Bogart. A cornice triggered a size 3 avalanche out of high (3000m) alpine terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some very soft slabs were released with explosives control up to size 1.5 and heavy sluffing reported from ski cutting. There was one natural avalanche size 3.0 reported from the Southern Selkirks that likely released on the November rain crust.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Evidence of previous avalanches up to size 3.0 from Mt Joffre at 2000 metres. Ski cutting produced heavy sluffing.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations from this region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Avalanche observations from the North Columbia region indicate isolated natural avalanches to size 3 from the past few days. It is unknown at this how deep these avalanches are running. Other than that reports indicate loose snow avalanches running in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Natural activity isolated to the storm snow to size 1.5. Explosives testing north of the Stewart region indicate an avalanche running to size 3.5 in north facing alpine terrain failing in a weak layer of facets near the base of the snowpack.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There is no new avalanche activity to report at this time.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity reported.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent explosive control work initiated numerous loose and slab avalanches up to size 1.5. These were all very active on NE aspects 1850-2100 m. A widespread natural and explosives triggered avalanche cycle occurred midweak. The cycle took place in response to rapid loading and strong winds, and produced slab avalanches to size 3. Some of these slides may have involved persistent weak layers.</span></p><p class="p_CC664AAA"><span class="s_1681A555"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some natural cornice falls were reported up to size 2.0 after the recent very strong wind event. Some explosive controlled stiff wind slabs were reported up to size 1.5 from the Whistler area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent explosive control work triggered several 1.5-2.0 slab avalanches on SE-SW aspects 1700 m and above. These avalanches failed on the early December crust, that recently got buried. Please don't confuse this with the early November facet/crust layer that sits near the base of the snowpack.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Any observations from the field are welcome at forecaster@avalanche.ca.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">One skier controlled sz 1 at 2300m on a E aspect.  15m wide, 20cm deep and ran 40m.  Evidence of a few natural avalanches up to sz 2 in the past 24hrs out of steep terrain on S and E aspects.  Fracture lines were already blow in though in locations observed. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some very soft slabs were released with explosives control up to size 1.5 and heavy sluffing reported from ski cutting. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some thin wind slabs were ski cut up to size 1.0 that were 20 cms deep. Explosives control released a size 2.0 in steep un-skiable terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Evidence of previous avalanches up to size 3.0 from Mt Joffre at 2000 metres. Ski cutting produced heavy sluffing.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some natural avalanches that were at least 24 hours old were reported from near Kootenay Pass that were size 2.0 and about 25 cms deep. Near Nelson, explosives control produced size 1.0 soft slab avalanches up to 20 cms deep.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports indicate loose snow avalanches running in steep terrain to size 2.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity reported.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No recent avalanche observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Natural activity isolated to the storm snow to size 1.5. Explosives testing in the past few days north of the Stewart region indicate an avalanche running to size 3.5 in north facing alpine terrain failing in a weak layer of facets near the base of the snowpack.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There is no new avalanche activity to report at this time.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are limited recent observations from this region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent explosive control work initiated numerous loose and slab avalanches up to size 1.5. These were all very active on NE aspects 1850-2100 m. A widespread natural and explosives triggered avalanche cycle occurred midweak. The cycle took place in response to rapid loading and strong winds, and produced slab avalanches to size 3. Some of these slides may have involved persistent weak layers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A small natural slab avalanche has been reported on a West facing slope at 2200 m around Valemont yesterday. There are limited recent observations from this region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports indicate loose snow avalanches running in steep terrain. A few size 3 avalanches have stepped down to the crust in the south columbia and north Columbia in the past week. These occurred on steep windloaded Northern aspects slopes above 2000 m. No recent avalanches have been reported to step down to the early November crust.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Soft slabs and loose dry avalanches to size 1.5 were triggered by skiers and explosives on Sunday in alpine and wind affected areas. No avalanches were reported on Monday. Last week, rapid loading and strong wind produced slab avalanches to size 3 which may have involved persistent weak layers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous size 1 sluffs and shallow natural wind slabs were observed on Sunday in the southern Elk Valley. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday, natural activity to size 2.5 occurred in response to very strong winds, new snow and warming. This cycle is expected to continue through Monday and Tuesday.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Strong W-NW winds triggered a natural avalanche cycle on Sunday, with several slabs to size 2 failing behind cross-loaded ribs and gullies. A size 2.5 slab from the headwall above the Hankin area uptrack is suspected to have failed on the Nov crust/facet layer. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some very soft slab avalanches up to size 1.5 were reported near Nelson from explosives control.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No avalanche activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some thin wind slabs were ski cut up to size 1.0 that were 20 cms deep. Explosives control released a size 2.0 in steep un-skiable terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Evidence of previous avalanches up to size 3.0 from Mt Joffre at 2000 metres. Ski cutting produced heavy sluffing.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Only a few natural, loose, dry sluffs up to Size 1 have been observed in the past 24 hours although visibility was limited at times.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some very soft slabs were released with explosives control up to size 1.5 and heavy sluffing reported from ski cutting.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity reported.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity observed in travels today.  Ski cutting on top of small cornices did not produce any results on 30+deg slopes below.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Soft slabs and loose dry avalanches to size 1.5 were triggered by skiers and explosives on Sunday in alpine and wind affected areas. No avalanches were reported on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from yesterday include isolated pockets of thin wind slabs reactive to ski cuts producing relatively harmless avalanches, but expect wind slabs to have since gotten deeper and more reactive. Loose surface snow is also sluffing readily on steep slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports include evidence of previous large avalanches from Mt Joffre at 2000m and the east face of Cayoosh Mtn in the Duffy Lake area (check out </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/" target="_blank"><span class="s_B5813F7D">Wayne Flann's Avalanche Blog</span></a><span class="s_3FE45715"> for a photo of the Cayoosh avalanche). Glide cracks are getting big and releasing to Size 2, and ski cutting has been producing heavy sluffs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from Monday are limited to relatively harmless surface sluffing with ski cuts. Recent explosive control work triggered several 1.5-2.0 slab avalanches on SE-SW aspects 1700 m and above. These avalanches failed on a rain crust that got buried at the beginning of December.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports include extensive ski cutting with only one small result.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous size 1 sluffs and shallow natural wind slabs were observed on Sunday in the southern Elk Valley. On Monday, touchy small soft slabs were observed in the immediate lee of ridge crests.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were reported for this region. However, I suspect that there has been some recent natural activity with the new load and winds on lee slopes.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Large natural avalanches were heard across the valley from Shames on Tuesday. On Monday, explosives triggered several size 1.5-2.5 slabs on wind-loaded slopes north of Stewart, one of which ran on facets at the ground. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Strong W-NW winds triggered a natural avalanche cycle on Sunday, with several slabs to size 2 failing behind cross-loaded ribs and gullies. A size 2.5 slab from the headwall above the Hankin-Evelyn area is suspected to have failed on the Nov crust/facet layer. We have no reports of avalanches during Monday night’s warming, but I wouldn’t be surprised if a natural cycle had occurred. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Reports from throughout the region on Monday include isolated small avalanches with extensive explosives testing. Check out this </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/0914fc18-be55-4599-b39f-89583aca933b" target="_blank"><span class="s_9255B882">recent avalanche report from the Kicking Horse backcountry</span></a><span class="s_AA239A9B">.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Multiple natural avalanches up to size 3 have been reported in the Southern part of the region associated with the storm snow interface (Glacier Park) on North aspects. Also some sluffing in steep terrain producing size up to 1.5. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few small soft slabs were triggered by skiers yesterday on the storm snow. Suspect recent sluffing in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous size 1 sluffs and shallow natural wind slabs were observed on Sunday in the southern Elk Valley. On Monday, touchy small soft slabs were observed in the immediate lee of ridge crests.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We have no reports of avalanches during Monday or Tuesday, but that may be due to a lack of observations more than a lack of avalanches. In the NW Coastal region, the basal weakness was triggered by heavy loads (cornice fall, surface avalanches stepping down and explosives) to produce very large avalanches. Strong W-NW winds triggered a natural avalanche cycle inland on Sunday, with several slabs to size 2 failing behind cross-loaded ribs and gullies. A size 2.5 slab from the headwall above the Hankin-Evelyn area is suspected to have failed on the Nov crust/facet layer.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Soft slabs and loose dry avalanches to size 1.5 were triggered by skiers and explosives on Sunday in alpine and wind affected areas. No avalanches have been reported since then.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few small slabs on N and E aspects up to size 2.  The majority of slabs that were observed came out of 40+deg terrain and were likely triggerred by wind loading.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle occurred on Tuesday with avalanches to size 2.5 running in steep terrain at treeline and alpine elevations. Explosives testing produced several very large (size 3-4) slabs on northerly aspects near Stewart. These failed on basal facets and/or glacial ice and were up to 4 m deep and 250-300 m wide. Recent storm/wind slabs above 1600 m which were triggered by cornice fall or explosives also stepped down to basal facets. Low elevation steep terrain was also shedding numerous small, moist loose avalanches during Tuesday’s warming. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural or skier triggered avalanche was reported recently except for explosive results up to size 2 that ran on West and North West aspects down 40-80 cm on facets. Check out this</span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/0914fc18-be55-4599-b39f-89583aca933b" target="_blank"><span class="s_9255B882"> avalanche report from the Kicking Horse backcountry</span></a><span class="s_AA239A9B">.from December 10th. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports include extensive ski cutting with only one small result.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some small soft slabs and loose dry avalanches were skier triggered yesterday in steep convex terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been reports of small human triggered wind slabs over the past few days. Most activity seems to be in high alpine start zones. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche activity has been reported. Expect fresh wind slabs and loose surface snow to be sensitive to human triggers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports include evidence of previous large avalanches from Mt Joffre at 2000m and the east face of Cayoosh Mtn in the Duffy Lake area (check out </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/" target="_blank"><span class="s_B5813F7D">Wayne Flann's Avalanche Blog</span></a><span class="s_3FE45715"> for a photo of the Cayoosh avalanche). Glide cracks are getting big and releasing to Size 2, and ski cutting has been producing heavy sluffs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several natural slab avalanches up to size 2 have been reported on various aspects in the storm snow. A few skier triggered loose dry avalanches have also been reported on steep terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Multiple natural avalanches have been reported up to size 2.5 on steep Northerly aspects in the storm snow. Some skiers also triggered some small slabs in steep terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few small natural avalanches were observed in steep wind-loaded terrain on Thursday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no avalanches reported in the last couple of days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A natural slab avalanches size 2.5 was reported in very steep alpine terrain on a West facing slope. Some sluffing (loose dry avalanches) was reported in steep alpine and treeline as well. A few natural avalanches up to size 2 ran in the Rogers Pass area on North and South facing slopes. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday, explosives triggered a size 3 slab which failed at the base of the snowpack on glacial ice. Several storm/wind slabs to size 2 were also triggered by explosives. A widespread natural cycle occurred on Monday/Tuesday with avalanches to size 2.5 running in steep terrain at treeline and alpine elevations. Explosives testing on Tuesday produced several very large (size 3-4) slabs on northerly aspects near Stewart. These failed on basal facets and/or glacial ice and were up to 4 m deep and 250-300 m wide. Storm/wind slabs also stepped down to basal facets. Low elevation steep terrain also was shedding numerous small, moist loose avalanches during Monday/Tuesday’s warming.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new reports from Wednesday. Extensive ski testing the previous day produced only one small result. Avalanche activity will likely increase over the next few days with more snow and wind in the forecast. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous natural and human triggered loose snow avalanches were reported on Wednesday. There were also a few reports of small human-triggered avalanches in wind loaded terrain. Clear weather on Wednesday revealed a few older natural avalanches up to Size 3 on northerly aspects in the alpine. These events may have released on the late November surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There were a few reports of small natural and human triggered loose snow avalanches on Wednesday. Recent reports include evidence of previous large avalanches, including one from Mt Joffre at 2000m and the east face of Cayoosh Mountain in the Duffy Lake area last weekend (check out </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/" target="_blank"><span class="s_B5813F7D">Wayne Flann's Avalanche Blog</span></a><span class="s_3FE45715"> for a photo of the Cayoosh avalanche). </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">One size 1 natural slab avalanche was observed in a lee feature immediately below the ridge top in the Kootenay Pass area on Wednesday. Expect fresh wind slabs and loose surface snow to be sensitive to human triggers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">no new obs</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were reported for this region. Due to our limited observations for this region at this time, your avalanche observations are welcome at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few small soft slabs were skier triggered on East and South aspects. An older (approximately from Dec. 10th) natural slab avalanche size 2.5 was also observed on an East facing windloaded convex slope. The crown was an average of 60 cm deep. There was also multiple releases from explosives that ran in the new snow from North West to South East facing slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday, a snowmobile triggered a hard wind slab at the Sinclair snowmobiling area. It failed on the November crust/facet layer 30 cm above the ground. Evidence of a recent natural cycle was also reported. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. Unfortunately, this weakness is unlikely to heal very quickly, so further deep avalanches are possible, especially as snow and wind-loading continue to stress the snowpack over the next few days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural avalanches were reported. In the North part of the region,  multiple small slab avalanches released from explosives in the new snow on Northerly aspects. In the South part of the region, 1 small slab avalanche was released by a skier which ran on a North aspect on the facet crust combo buried in early November. This layer also produced multiple small slab avalanches by explosives on the same aspect above 1950 meters.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There were no new avalanche observations in areas travelled on Friday.  Forecasters were able to see about 50% of the forecast area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> Extensive skier testing on Friday produced only loose snow sluffing in steeper terrain. Explosive control produced two size 1.5-2 soft slab avalanches in steep west facing terrain. Avalanche activity is expected to increase each day through the forecast period. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There were a few reports of small natural and human triggered loose snow avalanches on Wednesday and Thursday. Recent reports include evidence of previous large avalanches, including one from Mt Joffre at 2000m and the east face of Cayoosh Mountain in the Duffy Lake area last weekend (check out </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/" target="_blank"><span class="s_B5813F7D">Wayne Flann's Avalanche Blog</span></a><span class="s_3FE45715"> for a photo of the Cayoosh avalanche). </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few small soft slabs were skier triggered on East and South aspects, and several small loose snow avalanches were reported in steep terrain. An older (approximately from Dec. 10th) natural slab avalanche size 2.5 was also observed on an East facing windloaded convex slope. The crown was an average of 60 cm deep. There was also multiple releases from explosives that ran in the new snow from North West to South East facing slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some thin soft slab avalanches up to size 1.5 were reported from explosive control work with large charges (heavy load) near Golden.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some natural and skier controlled avalanches up to size 1.5 were reported where thin pockets of wind slab released. This activity was on East thru South aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new reports of avalanches from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple small avalanches were observed in the Kootenay Pass area on Wednesday. One was a size 1 slab that was triggered on lower elevation (~1400 m) cut block. The slide was approximately 45 cm deep and may have released on a rain crust. The other event was a natural avalanche on a wind loaded slope immediately below ridge top. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were reported for this region. Due to our limited observations for this region at this time, your avalanche observations are welcome at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some loose snow sluffing up to size 1.0 and a few thin wind slab releases up to size 1.0 have been reported. No other new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports include numerous natural and human triggered loose snow avalanches and a few small human triggered slab avalanches in exposed wind loaded features near ridge top. Clear weather on Wednesday revealed a few older natural avalanches up to Size 3 on northerly aspects in the alpine. These events may have released on the late November surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">In the north, only sluffing was reported recently; however, reports from a few days ago (after the previous storm) may provide insight into what might happen with this incoming storm. I'm thinking about a few big avalanches on the basal facets / rain crust / glacier ice. Smaller storm-snow slides or dropping cornice noses could be the &quot;heavy load&quot; that &quot;steps down&quot; to this weakness.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday, a snowmobile triggered a hard wind slab at Sinclair. It failed on the November crust/facet layer 30 cm above the ground. Evidence of a recent natural cycle was also reported. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. Unfortunately, this weakness is unlikely to heal very quickly, so further deep avalanches are possible, especially as snow and wind-loading continue to stress the snowpack over the next few days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing new.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports include numerous natural and skier triggered soft slab and loose snow avalanches up to size 1.5. These were typically from wind loaded slopes immediately lee of ridge crests. There is one new report of a size 2.5 avalanche that may have released on one of the deeper weak layers. This occurred on a steep northerly aspect in the alpine. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> A natural avalanche cycle was likely during the day on Saturday in response to heavy snow and strong wind. Extensive skier testing on Friday produced primarily loose snow sluffing in steeper terrain. Explosive control produced two size 1.5-2 soft slab avalanches in steep west facing terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent activity has been limited to a few small (size 1) soft slab avalanches in immediate lee features and small loose snow avalanches in steep terrain. Observations from early last week included several old size 2-3 avalanches, primarily from northerly aspects in the alpine. These events may have released on a weak layer of surface hoar, now down over a metre deep. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There were a few reports of small natural and human triggered loose snow avalanches, and isolated thin wind slabs immediately lee of ridge crests late last week. Previous reports include evidence of large avalanches, including one from Mt Joffre at 2000m and the east face of Cayoosh Mountain in the Duffy Lake area last weekend (check out </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/" target="_blank"><span class="s_B5813F7D">Wayne Flann's Avalanche Blog</span></a><span class="s_3FE45715"> for a photo of the Cayoosh avalanche). </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday, a snowmobile triggered a hard wind slab at the Sinclair snowmobiling area. It failed on the November crust/facet layer 30 cm above the ground while side hilling. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. Unfortunately, this weakness is unlikely to heal very quickly, so further deep avalanches are possible, especially as snow and wind-loading continue to stress the snowpack over the next few days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some thin soft slab avalanches up to size 1.5 were reported from ski cutting that were 20 cms deep.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no avalanches reported in the last couple of days. We did get one report of a human triggered wind slab from about 4 days ago. With the recent cold temperatures, wind slabs may be slow to bond to the old surface.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was one skier controlled release that was size 2.0 and ran on the late November surface hoar layer (Rossland Range).</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Near Stewart only small loose slides from sttep cliffy terrain; otherwise no new naturals reported. Near the Shames backcountry evidence of a mid-week natural cycle of small (size 1 to 1.5) slabs was reported. No new recent reports from Terrace were received.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Mostly small loose snow avalanches from steep terrain were reported for this region. One cornice triggered size 2.5 slab avalanche was reported in the north (ALP, N aspect, 100 cm deep, 45 degree slope). Due to our limited observations for this region at this time, your avalanche observations are welcome at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Natural loose snow sluffing and storm snow slabs were reported Friday from steeper terrain; most were size 1 with the odd size 2. Controlled slope tests confirmed these observations. I expect wind slabs will be an increasing concern Sunday &amp; Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday last week, a snowmobile triggered a hard wind slab at the Sinclair snowmobiling area. It failed on the November crust/facet layer 30 cm above the ground while side hilling. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Mostly small loose snow avalanches from steep terrain were reported for this region but visibility was limited and some of our regular reporters weren't able to get out yesterday. Due to our limited observations for this region at this time, your avalanche observations are welcome at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Surprisingly, few new avalanches were reported. Visibility was limited, and therefore so too were the observations but generally they were small storm snow releases.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control on Friday and Saturday produced size 1-2 soft slab avalanches in steep west facing terrain. Storm snow seemed to showing an improved bond on Saturday, but poor visibility limited observations of any natural activity. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports include numerous natural and skier triggered soft slab and loose snow avalanches up to size 1.5. On Friday, a size 2.5 avalanche failed on a steep northerly aspect in the alpine, possibly failing on a persistent weakness.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent activity has been limited to a few small (size 1) soft slab avalanches in immediate lee features and small loose snow avalanches in steep terrain. Observations from early last week included several old size 2-3 avalanches, primarily from northerly aspects in the alpine. These events may have released on a weak layer of surface hoar, now down over a metre deep.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. Some sluffing from steep terrain in the Kootenay Pass area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no avalanches reported in the last couple of days. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There were a few reports of small natural and human triggered loose snow avalanches, and isolated thin wind slabs immediately lee of ridge crests late last week. Previous reports include evidence of large avalanches, including one from Mt Joffre at 2000m and the east face of Cayoosh Mountain in the Duffy Lake area last weekend (check out </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/" target="_blank"><span class="s_B5813F7D">Wayne Flann's Avalanche Blog</span></a><span class="s_3FE45715"> for a photo of the Cayoosh avalanche). </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">In areas with deeper storm snow accumulations (for example near Stewart) natural avalanches to size 2.5 were reported; otherwise no new naturals reported but visibility was limited.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural and skier controlled avalanches were reported up to size 1.5 releasing in the light storm snow. The fractures were reported to be very touchy. The forecast strong winds with the next storm may create a thick slab that continues to be very easy to trigger.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Sluffing out of steep terrain has been reported from the southern part of this region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Ski cutting and explosive control created soft slab avalanches up to size 1.5 in the morning. Natural activity occurred during the afternoon with increased loading. Poor visibility limited observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new reports due to poor visibility and travel conditions. Expect widespread soft slab releases on all aspects and elevations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent activity has been limited to a few small (size 1-1.5) soft slab avalanches in immediate lee features and small loose snow avalanches in steep terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1-2 sluffs were running in steep terrain on Sunday and skiers were triggering numerous size 1 soft wind slabs on lee features. A skier also triggered a size 1.5 soft slab at treeline, which failed on a layer of stellars and surface hoar down 30 cm in the Duffey Lake area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control at Kootenay Pass created soft slab avalanches up to size 1.5 in the morning. Poor visibility and travel conditions have limited observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity observed on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control over the last three days has produced size 1-2 soft slab avalanches in steep west and north facing terrain. Visibility has been poor, limiting observations of any natural avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several size 1-1.5 loose snow and soft slab avalanches have been observed in response to new snow and wind loading. A size 2 slab failed naturally on a cross loaded SE facing alpine slope. Explosives triggered a size 2 soft slab which stepped down to the late November surface hoar layer in a steep rocky area in the Selkirks on Sunday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Ski cutting produced soft slab avalanches up to size 1.0 in the North of the Region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Natural avalanche activity was observed in several parts of the region up to size 2. The avalanche activity affected all aspects but appeared to be isolated to the recent storm snow, producing avalanches 30 to 75 cm deep depending on the local depth of the new snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. On Wednesday last week, a snowmobile triggered a hard wind slab at the Sinclair snowmobiling area. It failed on the November crust/facet layer 30 cm above the ground while side hilling. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Small loose snow avalanches have been from steep terrain in the recent low density storm snow. Due to our limited observations for this region at this time, your avalanche observations are welcome at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was a widespread cycle of small natural and skier triggered soft slab and loose snow avalanches on Monday. Soft new cornices were also falling off and triggering soft slabs up to size 2. Some larger (size 2-3) naturally triggered slabs were observed to the north of the region. Explosives triggered a size 2 soft slab which stepped down to the late November surface hoar layer in a steep rocky area in the Selkirks on Sunday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. On Wednesday last week, a snowmobiler triggered a hard wind slab at the Sinclair riding area. It failed on the November crust/facet layer 30 cm above the ground while side hilling. Check out </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/28fcc7bd-bed7-4b20-aa2e-32a81f351f88" target="_blank"><span class="s_B5813F7D">this incident report</span></a><span class="s_3FE45715"> for more details. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports include human triggered sluffs up to Size 1.5 in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some minor sluffing from steep lee asp in ALP on NE asp.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Ski cutting produced soft slab avalanches up to size 1.0 in the North of the Region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Ski cutting and explosive control created soft slab avalanches up to size 1.5 in the morning. Natural activity occurred during the afternoon with increased loading. One large fracture line was spotted on the fan of an avalanche path that is exposed to cornice fall from above. Poor visibility limited observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural soft slab and loose snow avalanches up to size 2.0 were reported to be releasing down 30-50 cms in the storm snow. Large explosive triggers released loose snow avalanches up to size 2.5 in the Kootenay Pass area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No observations were made due to poor visibility. One loud avalanche was heard running in the alpine during the afternoon.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Small loose snow avalanches have been from steep terrain in the recent low density storm snow. Due to our limited observations for this region at this time, your avalanche observations are welcome at forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control over the last few days has produced size 1-2 soft slab avalanches in steep west and north facing terrain. Visibility has been poor, limiting observations of any natural avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous size 1-1.5 soft slabs and loose snow avalanches were triggered naturally and by skiers on Monday. In some wind-affected areas, soft slabs were propagating widely.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1-2 sluffs were running in steep terrain on Sunday and Monday. On Sunday, skiers were also triggering numerous size 1 soft wind slabs. Near the Coquihalla summit, skiers triggered a slab at treeline which was at least 100 m wide and ran about 150 m downhill before stopping in the trees. One soft slab at treeline in the Duffey Lake area failed on a layer of stellars and surface hoar down 30 cm.</span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Reports from Monday include more evidence of the natural avalanche cycle from Friday, which included 30-75cm deep storm slab avalanches up to Size 2.0 on all aspects, but was primarily soft wind slab avalanches up to Size 2.0 on steep east through northeast aspects in the alpine.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Tuesday explosives controlled slabs to size 3 were triggered in the north of the region. Some of these releases failed on basal facets. There have also been a few releases to size 2 failing within recent storm weaknesses.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations.  Observations are welcome, please email us: forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control over the last few days has produced size 1-2 soft slab avalanches in steep west and north facing terrain. Visibility has been poor, limiting observations of any natural avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Soft slab avalanches to size 1.5 were reported from the region on Tuesday. They formed in response to recent wind and snowfall. Expect ongoing storm slab avalanche activity with snow and wind forecast for Wednesday night.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control created avalanches up to size 1.5 from start zones between 2100 and 1850 metres on North thru Southeast aspects. Ski cutting caused soft slab and loose snow avalanches up to size 1.0 on East thru Southeast aspects down to 1550 metres. There were a couple of natural avalanches that were observed to have run during the last storm that were up to size 2.5 on Northeast thru East aspects at 2050 metres elevation.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural soft slab and loose snow avalanches up to size 2.0 were reported to be releasing down 30-50 cms in the storm snow. Large explosive triggers released loose snow avalanches up to size 2.5 in the Kootenay Pass area.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Large explosives created avalanches to size 1.0 in the North of the region. Loose snow avalanches up to size 1.0 were reported across the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Tuesday 1 size 3 and several size 2 slab avalanches were reported in the Coquihalla area. North of Pemberton, a size 1.5 windslab was accidentally triggered by a skier. All avalanche activity occurred within the recent storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">The alpine recently produced some large natural slab avalanches to size 3.  Human and natural triggered loose snow avalanches continue to be rampant at and below treeline in wind sheltered areas.  These loose snow avalanches have been as large as size 2.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. On Wednesday last week, a snowmobiler triggered a hard wind slab at the Sinclair riding area. It failed on the November crust/facet layer 30 cm above the ground while side-hilling. Check out </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/28fcc7bd-bed7-4b20-aa2e-32a81f351f88" target="_blank"><span class="s_B5813F7D">this incident report</span></a><span class="s_3FE45715"> for more details. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area last weekend. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Natural trigger, slab, E aspect, 2300m, sz2 </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Icefall trigger, slab, E aspect, 2000m, sz1 Small pocket pulled out below ice, the ice continued to slide down the entire slope (200m), entraining snow as it went, but no slope failure. Very large ice chunks, up to 4 cubic meters total.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was a widespread cycle of small natural and skier triggered soft slab and loose snow avalanches on Monday. Soft new cornices were also falling off and triggering soft slabs up to size 2. Some larger (size 2-3) naturally triggered slabs were observed to the north of the region. Explosives triggered a size 2 soft slab which stepped down to the late November surface hoar layer in a steep rocky area in the Selkirks on Sunday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Avalanche observations from Wednesday were limited to isolated sluffing from north facing alpine terrain in the Southern Purcells.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday and Thursday, ski cutting produced loose and soft slab avalanches up to size 1.5 from 2100 m to 1500 m on a variety of aspects. Explosive testing produced loose and soft slab avalanches up to size 2. Avalanches were reported to be generally running at the interface with the most recent storm snow, approximately 30 cm below the surface. Propagation propensity was reported to be good.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control on Thursday produced storm/windslab avalanches to size 2. I would expect ongoing wind/storm slab avalanches if snowfall and wind persist.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations.  Observations are welcome, please email us: forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Size 1 slabs have been reported from the south of the region, while slabs to size 2.5 were reported from steep alpine chutes in the Bear Pass area. All activity is suspected to have occurred within recent storm layers.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. On Wednesday last week, a snowmobiler triggered a hard wind slab at the Sinclair riding area. It failed on the November crust/facet layer 30 cm above the ground while side-hilling. Check out </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/28fcc7bd-bed7-4b20-aa2e-32a81f351f88" target="_blank"><span class="s_B5813F7D">this incident report</span></a><span class="s_3FE45715"> for more details. This deep crust/facet layer has been the failure plane for a number of large avalanches further to the west and was suspected to have failed at the Hankin-Evelyn area. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, machine-triggered avalanches were reported running at the base of the most recent storm snow down 20 to 50 cm. Explosive testing produced avalanche up to size 2.5 in the storm snow at elevations around 2000 m.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday, natural and skier-triggered avalanches up to size 2.0 were reported to be releasing down 30-50 cms in the storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No observations were made due to poor visibility. One loud avalanche was heard running in the alpine on Wednesday afternoon.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control over the last few days has produced size 1-2 soft slab avalanches in steep west and north facing terrain. Visibility has been poor, limiting observations of any natural avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Wednesday in the Duffey Lake area and in areas north of Pemberton, there were several new windslabs easily ski cut to size 1.5. Observations have been limited; but it's safe to assume that with forecast wind and snow, the size and reactivity of these fresh wind/storm slabs will increase.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Monday's moderate southerly winds drove soft slab formation near ridgetop. Several small wind slab avalanches were reported.  There are still a few reports of fast moving loose snow avalanches coming in too.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Numerous skier triggered windslabs to size 1 in wind affected terrain at treeline.  Limited sloughing in steep terrain was also reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Minor sluffing in very steep terrain on north and east aspects due to wind action.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We're starting to see the effect of the big winds midweek.  Near treeline, slab avalanches to size 2 were triggered by both vehicles and skiers.  A few bigger features in the alpine released large natural avalanches to size 3 on N through E facing slopes.  Out of the wind, there's still some sluffing in the new snow too.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive control over the last few days has produced size 1-2 soft slab avalanches in steep west and north facing terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, machine- and skier-triggered avalanches were observed up to size 2. A cornice release triggered a size 2.5 slab avalanche on the slope below. Explosives triggered avalanches up to size 3. The predominant aspect for the releases was north and north east aspects and most releases occurred above 1900m. Note the size of releases increased compared with previous days. On Wednesday and Thursday, ski cutting produced loose and soft slab avalanches up to size 1.5 from 2100 m to 1500 m on a variety of aspects. Explosive testing produced loose and soft slab avalanches up to size 2.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control on Friday produced storm/windslab avalanches in the alpine to size 2. I would suspect a decline in avalanche activity with forecast light snowfall and decreased winds.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">In the wake of Wednesday night's storm, reactive storm slabs to size 2 were reported. Some reports suggest that avalanche activity was more specific to wind affected slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">An explosives controlled size 2 cornice fall/ windslab was reported from the region on Thursday. No other avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Most of the reported activity in the region is limited to small skier controlled soft slabs and sluffing within the most recent storm snow. It should be noted that many of the observations we're getting from the region are coming from treeline and below. There were some reports coming in from the South Columbia of a few large wind slab avalanches releasing out of alpine terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, a size 2 avalanche was triggered by a skier on a northeast aspect at 1900 m. The fracture depth was 30 cm and the slide ran for 150 m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, only loose snow avalanches to size 1 were observed.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, machine-triggered avalanches were reported running at the base of the most recent storm snow down 20 to 50 cm. Explosive testing produced avalanche up to size 2.5 in the storm snow at elevations around 2000 m.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday, natural and skier-triggered avalanches up to size 2.0 were reported to be releasing down 30-50 cms in the storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few loose snow slides have been observed at higher altitudes on steep lee aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations. Observations are welcome, please email us: forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We're starting to see the effect of the big winds midweek.  We're getting observations from across the region of a natural avalanche cycle to size 2 in the alpine.  These avalanches are coming from steep terrain below ridgetop.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Explosives controlled avalanches to size 2 were observed in the region in the last 2 days. I'm unaware of any significant recent natural activity. All avalanche activity observed was within the recent storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We're starting to see the effect of the big winds midweek. We're getting observations from across the region of a recent natural avalanche cycle to size 2. These avalanches are coming from Alpine terrain facing NW, N &amp; NE.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Evidence of a small loose snow avalanche cycle within the last 24 hrs. Observations are welcome, please email us: forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No natural avalanche activity reported. Explosive control initiated numerous size 2.0 from NE aspects 1800 m and above. Explosive control and skier controlled loose avalanches up to size 1.5 were initiated on N-SE aspects from 1400 m-1900 m. With continued snow and wind I suspect natural avalanche activity will occur on Sunday.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were observed over the past 24hrs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several size 2 avalanches were reported from the far north of the region. They failed at the ground on shallow, south-facing terrain. No other recent avalanches have been reported</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported. Avalanche activity may increase on Sunday with new snow and wind.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control on Friday produced storm/windslab avalanches to size 2. I would suspect ongoing new snow avalanche activity on Sunday if snowfall/winds are moderate or higher.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive testing on Friday showed numerous size 1.0-2.0 slab avalanches on N-NW aspects 2000 m and above. Several natural size 1.0 loose snow avalanches occurred from steeper terrain features.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We're starting to see the effect of the big winds midweek.  More reports of large natural avalanches came in today.  A few different operations reported naturally triggered slab avalanches to size 3, pulling out of N through E facing terrain in the alpine. Out of the wind, there's still some sluffing in the new snow too.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, a size 2 avalanche was triggered by a skier on a northeast aspect at 1900 m. The fracture depth was 30 cm and the slide ran for 150 m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Most of the reported activity in the region is limited to small skier controlled soft slabs and sluffing within the most recent storm snow. It should be noted that many of the observations we're getting from the region are coming from treeline and below. There were some reports coming in from the South Columbia of a few large wind slab avalanches releasing out of alpine terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive and ski testing on Sunday produced widespread avalanching to size 1.5 in the alpine and at treeline. A natural avalanche was reported on the north face of the Lions on Saturday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small wind slabs and fast running loose dry avalanches were observed on Saturday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Saturday, several natural size 1-2 loose dry and thin slab avalanches failed in steep isolated terrain features wind-loaded by outflow (down-valley) winds. Explosives triggered size 2-3 slabs which failed near the ground in facets. Near Bear Pass, natural ice fall triggered size 2.5 and 3 loose snow avalanches, entraining old storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday, explosive avalanche control initiated a loose snow avalanche size 1.5. Numerous skier controlled size 1.0 loose snow avalanches were also triggered&nbsp; on North-East aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural size 3.0 was reported out of a steep headwall feature. The avalanche was reported to run 1500 m in length. No further details. Control work with the use of explosives produced several slab avalanches up to size 1.0. I suspect the storm slabs will still be touchy to rider triggers, especially in wind effected areas where the storm slab tends to be stiffer.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural avalanche activity has been reported. Skier controlled loose dry avalanches up to size 1.0 were easily initiated within the new storm snow. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday avalanche control produced numerous size 1.0-1.5 slab avalanches on SW-W aspects. Skier controlled slab avalanches were also noted up to size 1.0. With continued snowfall on Sunday I suspect storm slabs to remain touchy to human triggers. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose dry avalanches were observed in extreme terrain up to size 1.0.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No large avalanches were reported yesterday.  There were however a few reports of both natural and skier triggered avalanches to size 1.5 in wind loaded features.  Cornices were also reported to be touchy in the north of the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">No reports of big natural avalanches in the Alpine yesterday.  There were a number of skier controlled avalanches to size 1.5.  These avalanches were failing as soft slabs in wind exposed terrain.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No reports of big natural avalanches in the Alpine yesterday.  There were a number of skier controlled avalanches to size 1.5.  These avalanches were failing as soft slabs in wind exposed terrain.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">One natural avalanche reported in Miledge Creek.  Size 2 Natural on a N-NE aspect. Observations for the region are sparse.  Please send your observations to: forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Overnight Saturday natural avalanches occurred during the storm on SE-S aspects up to size 1.5, and mainly from steep, rocky terrain. Explosive avalanche control done on Sunday revealed numerous slab avalanches up to size 2.0 on SE-S aspects. Loose snow avalanches up to size 1.0, and one slab avalanche size 1.5 were easily skier triggered from NW aspects. The previous storm snow is likely touchy to rider triggers, it make take a couple days before it settles out.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Two natural size 1.5 slab avalanches were reported on N-NE aspects above 2000 m.&nbsp; I suspect the storm slabs will still be touchy to rider triggers, especially in wind effected areas where the storm slab tends to be stiffer.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday, explosive avalanche control initiated a loose snow avalanche size 1.5. Numerous skier controlled size 1.0 loose snow avalanches were also triggered  on North-East aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday, several size 1-1.5 wind slabs were triggered by explosives and skiers. One size 2 slab was triggered in a steep high alpine start zone.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A skier is reported to have triggered a size 2.5 slab on Saturday on a wind-loaded SW aspect at treeline in the Duffey lake area. Soft slabs and fast running loose dry avalanches were also failing naturally over the weekend.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Saturday, several natural size 1-2 loose dry and thin slab avalanches failed in steep isolated terrain features wind-loaded by outflow (down-valley) winds. Explosives triggered size 2-3 slabs which failed near the ground in facets. Near Bear Pass, natural ice fall triggered size 2.5 and 3 loose snow avalanches, entraining old storm snow. No avalanches were reported on Sunday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> A size 2 glide slab released on an east aspect during the weekend. No other recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported on Monday. On Sunday avalanche control produced numerous size 1.0-1.5 slab avalanches on SW-W aspects. Skier controlled slab avalanches were also noted up to size 1.0. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from yesterday afternoon indicate a size 2 skier triggered avalanche from steep northeast facing terrain in the alpine. This was triggered from a cornice on a ridge crest. Other reports indicate isolated natural avalanche activity from steep rocky terrain in the alpine to size 2.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports indicate both natural and skier triggered avalanches to size 1.5 in wind loaded features.  Cornices have also been reported to be touchy in the north of the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no recent significant observations to report at this time. If you are spending any time in the backcountry, send us your observations. Every bit helps. Please send your observations to: forecaster@avalanche.ca</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> Reports indicate</span><span class="s_3FE45715"> a number of skier controlled avalanches to size 1.5. These avalanches are failing as soft slabs in wind exposed terrain or as loose snow sluffing in steep terrain at and below tree line.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several loose dry slides up to size 1 on very steep lee terrain in the Alpine. A few very thin slabs up to size 1 on S and SE aspects of Hero's Knob. One size 1.5 naturally triggered slab on SE aspect at 2500m. Slab was 50 to 60cm deep, 40m wide.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A skier is reported to have triggered a size 2.5 slab on Saturday on a wind-loaded SW aspect at treeline in the Duffey lake area. Soft slabs and fast running loose dry avalanches were also failing naturally over the weekend. No avalanches were reported on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> Several natural size 1-2 loose dry and thin slab avalanches failed in terrain features wind-loaded by outflow (down-valley) winds over the past few days. Explosives triggered size 2-3 slabs which failed near the ground in facets last weekend. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> A size 2 glide slab released on an east aspect during the weekend. No other recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from the weekend indicate a size 2 skier triggered avalanche from steep northeast facing terrain in the alpine. This was triggered from a cornice on a ridge crest. Other reports indicate isolated natural avalanche activity from steep rocky terrain in the alpine to size 2.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle to size 2.5 was reported over the past few days. Wind slabs have also been triggered by explosives and skiers. Natural avalanche activity is likely to decrease over the next few days, but human-triggering remains possible.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday afternoon skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view. </span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><span class="s_3FE45715">I suspect the storm slabs will still be touchy to rider triggers, especially in wind effected areas where the storm slab tends to be stiffer.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported on Tuesday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports indicate both natural and skier triggered avalanches to size 1.5 in wind loaded features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday afternoon skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident Report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view </span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank" /><span class="s_3FE45715">I suspect the storm slabs may still be touchy to rider triggers, especially in wind effected areas where the storm slab tends to be stiffer.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no recent significant observations to report at this time. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">There have been a number of skier controlled and natural avalanches to size 1.5. These avalanches were failing as soft slabs in wind exposed terrain or a loose dry avalanches isolated to the top 20cm of surface snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">One size natural size 2.0 avalanche occurred from an East aspect at 1900 m from Record Mt. Explosive avalanche control initiated several size 1.0-1.5 loose snow avalanches from N-NW aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> A size 2 glide slab released on an east aspect last weekend. No other recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no recent significant observations to report at this time. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 1.5. Many </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> exist throughout the region in areas where they are not typically seen. The potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent significant avalanche activity to report.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No avalanches have been reported over the last couple of days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported on Wednesday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches observed</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A report from the weekend indicate a size 2 skier triggered avalanche from steep northeast facing terrain in the alpine. This was triggered from a cornice on a ridge crest. Other reports indicate isolated avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 1.5. Many </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> exist throughout the region in areas where they are not typically seen. The potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Wind slabs have been triggered naturally, by explosives and by skiers recently, but activity seems to have slowed. Some large cornice chunks have been failing naturally.</span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A skier triggered a small hard wind slab on a steep north-facing roll near treeline on Tuesday. Natural size 1-2 avalanches were failing in response to outflow wind-loading over the past few days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday afternoon skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident Report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view</span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank" /><span class="s_3FE45715">No new observations reported on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday afternoon skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view.</span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><span class="s_3FE45715">No new observations from Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 2. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> continue to open wider and the potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Below 900 m the snowpack becomes moist and is slightly deteriorating, producing small loose wet avalanches from very steep terrain features. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches and wind slabs have been triggered naturally, by explosives and by skiers recently. Some large cornice chunks have been failing naturally.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few loose dry avalanches up to size 1. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and a few thin wind slab releases to size 2. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> are continuing to open wider. The potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no recent avalanche observations to report at this time. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On December 24th Record Mt. had a natural size 2 slab avalanche. Reports indicate that the failure plane was the late November surface hoar layer buried down 115 cm. The avalanche occurred on a East aspect around 1900 m. Reports from the Rossland area suggest that the buried surface hoar is well preserved and the crystals are 10 mm in size. I suggest keeping this on your radar, it may be more suspectable to rider triggers then in the Northern parts of the Region.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday afternoon skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident Report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view</span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank" /><span class="s_3FE45715">No new avalanche observations reported for Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A skier triggered a small hard wind slab on a steep north-facing roll near treeline on Tuesday. No avalanches have been reported since then.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A size 2 glide slab released on an east aspect last weekend. No other recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was recent (Dec 26) report of a size 3 skier triggered avalanche in the Dogtooth range. Triggered from a thin area on a cross-loaded west facing feature at the upper end of the tree-line elevation, it then stepped down to the early November crust. There are no other observations to report at this time. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Last Sunday afternoon, skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view.</span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank" /><span class="s_3FE45715">No new avalanche observations reported on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several glide avalanches up to size 2 have been observed around the Duffey Lake highway on smooth south-facing slopes. This type of avalanche is usually preceded by a crack opening up on the slope, so avoiding them should be straight-forward. Just don’t linger on or under slopes sporting glide cracks. No other avalanches have been reported.</span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On December 24th Record Mt. had a natural size 2 slab avalanche. Reports indicate that the failure plane was the late November surface hoar layer buried down 115 cm. The avalanche occurred on a East aspect around 1900 m. Reports from the Rossland area suggest that the buried surface hoar is well preserved and the crystals are 10 mm in size. I suggest keeping this on your radar, it may be more suspectable to rider triggers in the Rossland Range.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported on Friday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Sunday afternoon skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident Report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view</span></a><span class="s_AA239A9B" /></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank" /><span class="s_3FE45715">No new avalanche observations reported for Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches running in steep terrain and a few isolated slab releases to size 2 from steep rocky terrain in the alpine. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> are continuing to open wider. The potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was recent (Dec 26) report of a size 3 skier triggered avalanche in the Dogtooth range. Triggered from a thin area on a cross-loaded west facing feature at the upper end of the tree-line elevation, it then stepped down to the early November crust. There are no other observations to report at this time.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Last Sunday afternoon, skiers triggered a size 3.0 slab avalanche from the ridgeline off Mt. Fernie. The initial trigger was a smaller wind slab which then stepped down to a deeply buried rain crust. There were no human involvements. For further details, please visit the Incident report here:  </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank"><span class="s_B5813F7D">http://www.avalanche.ca/cac/library/incident-report-database/view.</span></a></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view" target="_blank" /><span class="s_3FE45715">No new avalanche observations reported on Friday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent glide slab releases to size 2 occurred on smooth south-facing slopes in the Duffey Lake area. Otherwise, no new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. Surface avalanche activity is quite likely in the wake of snowfall on Thursday night. It should most likely occur as loose dry avalanche activity, or as windslabs if the wind increases.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few loose dry avalanches up to size 1. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported on Friday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no recent avalanche observations to report at this time. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 2. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> continue to open wider and the potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday several size 1 very soft slab avalanches were triggered by ski cutting. A size 1.5 natural cornice release was observed in the region on Thursday. No slab released on the slope below.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches running in steep terrain and isolated slab releases to size 2 from steep rocky terrain in the alpine. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> are continuing to open wider. The potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new reports of avalanche activity on Saturday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was recent (Dec 26) report of a size 3 skier triggered avalanche in the Dogtooth range. Triggered from a thin area on a cross-loaded west facing feature at the upper end of the tree-line elevation, it then stepped down to the early November crust. There are no other observations to report at this time.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche control work, with the use of explosives produced size 1.0 slab avalanches (thin slabs) initiating on treeline features (2000 m) on North and South-East aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A large slab avalanche (size 3) was triggered by a heavy load (winch cat) yesterday in the Whistler area. The slab was triggered in a shallower spot and ran on the Nov. 6 crust/facets layer which was sitting 40 cm above the summer firn. More information about this avalanche can be found </span><a id='GoToAdded' href="http://www.wayneflannavalancheblog.com/2012/12/an-exciting-morning-december-28-2012.html?spref=fb" target="_blank"><span class="s_B5813F7D">here</span></a><span class="s_3FE45715">.  Some sluffing (loose dry avalanches) were also observed in steep terrain. Large glide cracks were also observed on SE aspects in the alpine. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">An avalanche control mission done using explosives on steep 50 degree NE aspects showed minor sluffing.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">On December 24th Record Mt. had a natural size 2 slab avalanche that failed on the late November surface hoar layer buried down 115 cm. The avalanche occurred on a East aspect around 1900 m. Reports from the Rossland area suggest that the buried surface hoar is well preserved and the crystals are 10 mm in size. I suggest keeping this on your radar, it may be more suspectable to rider triggers in the Rossland Range.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few small storm slabs were triggered on lee aspects (NW) in the Bear pass area. Also, there has been report of multiple small loose natural avalanches in steep rocky terrain around Terrace. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some sluffing (dry loose avalanche) in steep terrain was observed and large glide cracks on SE aspects in the alpine. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing new.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and very isolated wind slab releases to size 2. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> continue to open wider and the potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported on Saturday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no recent avalanche observations to report at this time. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches up to size 1.5 continue to be reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some sluffing (loose dry avalanches) was observed in the Duffy Lake area. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches running in steep terrain and isolated slab releases to size 2 from steep rocky terrain in the alpine. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> are continuing to open wider. The potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 2. </span><a id='GoToAdded' href="http://www.fsavalanche.com/Encyclopedia/glide.htm" target="_blank"><span class="s_B5813F7D">Glide cracks</span></a><span class="s_3FE45715"> continue to open wider and the potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Saturday, explosives triggered thin slabs of up to size 2 with wide propagation, failing on the Boxing Day surface hoar. Widespread small loose avalanches were also failing naturally. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> Small skier-triggered wind slabs and loose snow sluffing have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1-2 loose dry avalanches failed naturally on Saturday.</span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple natural slab avalanches were observed up to size 2.5 that would have been occurred on steep lee features in the Bear pass area. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Minor surface sluffing.(dry loose avalanche) has been reported in the Howson's area.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> Natural loose dry avalanches were observed in the Whistler area. Also, steep South facing aspects have been producing natural small loose moist avalanches. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Over the weekend, explosives triggered thin slabs of up to size 2 failing on the Boxing Day surface hoar. Small loose avalanches were also failing naturally.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Size 1-2 loose dry avalanches failed naturally on Saturday. Explosives triggered a size 1.5 slab from a steep north-facing slope on Sunday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Solar aspects have been reactive lately with the sun weakening the surface and triggering isolated small soft slabs and numerous loose wet avalanches.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches were observed recently.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches were reported. A natural size 2 slab avalanche was observed in the Hankin area that would have happened around December 28th. Cornice fall is suspected to be the trigger. The slab happened on a North facing slope, it stepped down deeper in the snowpack, possibly on the November 6th crust. For more information check out the report </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/7d3e0837-dc2d-4cdf-901a-eb7ef3ebd160" target="_blank"><span class="s_9255B882">here</span></a><span class="s_AA239A9B">. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing new.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A small loose avalanche was observed on a sun-exposed slope on Sunday. Further similar activity is possible any time it’s warm and sunny.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches running in steep terrain and isolated slab releases to size 2 from steep rocky terrain in the alpine. Glide cracks continue to open.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A glide crack release size 2.0 was reported in the Bugaboos. Several cornices were reported to fall naturally, and they did not release slabs on the slopes below.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches up to size 1.5 continue to be reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 2. Glide cracks continue to open wider and the potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small skier-triggered wind slabs and loose moist avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> Cornice fall have triggered  a couple large size avalanches (2.5 and 3) in the Northern part of the region that would have run on the November 5th crust/facet layer. These slabs released on steep Northerly aspects. Multiples small loose wet avalanches were also observed on sun exposed slopes.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches running in steep terrain and isolated slab releases to size 2 from steep rocky terrain in the alpine. Glide cracks continue to open.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control released cornices on North aspects in the alpine. Cornices that fell onto slopes below did not release slabs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to loose snow avalanches in steep terrain and thin wind slab releases to size 2. Glide cracks continue to open wider and the potential for subsequent largely unpredictable full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday, avalanches up to size 2 were observed in the recent storm snow at all elevations. Although they appeared to only affect the top 10-20 cm of the snow surface, they were reported to be running far. Sluffing on steep terrain has also been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few small sluffs to Size 1 from south and east aspects.  Size 1.5 SSL in narrow steep gully below treeline, 2100m, E aspect, 40 deg slope.  Trigger uncertain - possible natural , possible human triggered as tracks could be seen in the vicinity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches up to size 1.5 continue to be reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cornice fall released a size 2 slab avalanche on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A size 1 avalanche was triggered by a skier on 29th Dec in a pocket of wind slab. I suspect similar events are possible with the current conditions, although there have been no further reports since this event. A natural size 2 slab avalanche was observed in the Hankin area that would have happened around December 28th. Most likely triggered by a cornice fall on a North facing slope, it stepped down deeper in the snowpack, suspecting the November 6th crust. For more information check out the report </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/7d3e0837-dc2d-4cdf-901a-eb7ef3ebd160" target="_blank"><span class="s_9255B882">here</span></a><span class="s_AA239A9B">. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small moist loose avalanches have been observed on a sun-exposed slopes. Further similar activity is possible any time it’s warm and sunny.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new recent observations.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small moist loose avalanches have been observed on steep, sun-exposed slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Tuesday, only one size one slab avalanche was reported from a north aspect at 1400 m. On Monday, avalanches up to size 2 were observed in the recent storm snow at all elevations. Although they appeared to only affect the top 10-20 cm of the snow surface, they were reported to be running far. Sluffing on steep terrain has also been reported. I suspect natural avalanche activity will ramp up overnight Wednesday and into Thursday with the incoming storm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A size 1 avalanche was triggered by a skier on 29th Dec in a pocket of wind slab. I suspect similar events are possible with the current conditions, although there have been no further reports since this event. A natural size 2 slab avalanche was observed in the Hankin area that would have happened around December 28th. Most likely triggered by a cornice fall on a North facing slope, it stepped down deeper in the snowpack, suspecting the November 6th crust. For more information check out the report </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/7d3e0837-dc2d-4cdf-901a-eb7ef3ebd160" target="_blank"><span class="s_9255B882">here</span></a><span class="s_AA239A9B">. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing new.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity in the region has been limited to small loose snow avalanches running in steep terrain. This has been more prominent on sunny slopes as the radiation penetrates the snow surface. Glide cracks continue to open.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few natural avalanches were observed on steep convex rolls in the alpine as well as a few skier triggered small slabs in the top 25 cm on Eastern aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches continue to be reported from steep terrain. This problem may be compounded by above freezing temperatures or solar radiation on South and West facing terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity has been limited to loose sluffs in steep terrain with more activity on south and west slopes in the afternoon due to the sun's radiation penetrating the surface snow. Glide cracks continue to open wider and the potential for subsequent full-depth avalanches are a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new recent avalanche observations expect older dry loose avalanches from very steep terrain in the alpine. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches have been reported in steep terrain and also loose moist avalanches on steep solar aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches observed, except a cornice release, which did not pull a slab on the slope below.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cornice fall released a size 2 slab avalanche on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche activity has been limited to loose sluffs in steep terrain with more activity on south and west slopes in the afternoon due to the sun's radiation penetrating the surface snow. A recent natural cornice fall did not propagate a slab in the slope below. Glide cracks continue to open.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small moist loose avalanches have been observed on steep, sun-exposed slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose snow avalanches (sluffing) up to size 1.0 are the main issue being reported, failing naturally (often associated with solar radiation) or with rider traffic. There was a natural glide slab (size 1.5) event and a small natural cornice failure also reported.  </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches observed. Avalanche control produced a cornice collapse, which did not release a slab on the slope below.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Few observations, due to the bad weather. It is likely there are avalanches occurring in steep alpine terrain we have not heard about. On 31st December, there were reports of a few size 1 avalanches triggered on a layer of surface hoar layer buried 30 cm below the surface in the Shames backcountry.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A size 1 avalanche was triggered by a skier on 29th Dec in a pocket of wind slab. I suspect similar events are possible with the current conditions, although there have been no further reports since this event. A natural size 2 slab avalanche was observed in the Hankin area that would have happened around December 28th. Most likely triggered by a cornice fall on a North facing slope, it stepped down deeper in the snowpack, suspecting the November 6th crust. For more information check out the report </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/7d3e0837-dc2d-4cdf-901a-eb7ef3ebd160" target="_blank"><span class="s_9255B882">here</span></a><span class="s_AA239A9B">. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some sluffing  (loose dry avalanches) in steep terrain was triggered by cornice fall and skiers. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches have been reported in steep terrain and also loose moist avalanches on steep solar aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few small loose wet avalanches were observed in the alpine on steep solar aspects yesterday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new obs</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches (sluffing) continue to be reported from steep terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> Some sluffing  (loose dry avalanches) in steep terrain was triggered by cornice fall and skiers. </span><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some loose snow releases up to size 2.0 were reported during the solar warming and inverted temperatures on Thursday. Some thin wind slabs continue to be released by skiers and riders. Surface sluffing continues in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We have one report of a very old slab avalanche that was size 3.0 and released down to the ground in the northern Monashees in very steep terrain. Some loose snow releases during the recent warm upper air and strong solar combo that were up to size 1.5</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches (sluffing) continue to be reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. Cornice chunks falling onto slopes have not triggered slabs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A skier triggered a small hard slab on Wednesday and was knocked off his feet. Glide slabs have been releasing in steep smooth rocky terrain. Otherwise, there has been little recent avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple natural slab avalanches size 1.5 and 2 were observed in the Jumbo and Bugaboos area. They were most likely triggered by sun and warmth. Multiple small loose moist avalanches were triggered also by warmth and solar radiation on steep solar aspects in the alpine.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous loose moist avalanches up to size 1.5 were reported on South and West steep slopes due to solar radiation and warmth.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity was observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new reports of avalanche activity. Wind slabs in the Howson Range ( Southwest of the region where it tends to get more snow) were quick to settle out after the last storm, becoming very stubborn by the day after the storm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cycle of natural and human-triggered (including remotely-triggered and helicopter-remote) avalanches of up to size 2.5 was observed across the region. Storm snow is propagating easily on buried surface hoar. Near Bear Pass, several wind slabs failed naturally on north aspects, possibly failing on facets. Skiers were witnessed going for rides in the Shames Backcountry, highlighting the surprising reactivity of the snowpack.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few natural and skier triggered slab avalanches up to size1.5 were reported in the Lizard Range region. Some sluffing was also observed off steep slopes in the alpine in the Lizard Range as well. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few natural and skier triggered slab avalanches up to 1.5 were reported as well as some sluffing (Ioose dry avalanches) on steep rocky terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Field teams were in the Ghost regions and the Bow Valley regions ice climbing.&nbsp; A few loose avalanches were observed on steep solar aspects, likely related to the daytime warming.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some thin wind slabs continue to be released by skiers and riders. Surface sluffing continues in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches (sluffing) continue to be reported from steep terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Fast surface sluffing continues to be reported up to size 1.5</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been observed recently. However, I expect avalanche activity to increase, particularly in windy areas during periods of intense snowfall or rain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported. Cornice chunks falling onto slopes have not triggered slabs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A skier triggered a small hard slab on Wednesday and was knocked off his feet. Glide slabs have been releasing in steep smooth rocky terrain. Otherwise, there has been little recent avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small windslabs up to size 1.5 have been reported, failing in immediate lee locations of ridgelines. Sluffing up to size 1.0 continues.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated natural and rider triggered slabs up to 1.5 have been reported,  as well as continued sluffing (Ioose dry avalanches) from steep rocky terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Continued sluffing in steep terrain to size 1.0, otherwise no new.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cycle of natural and human-triggered (including remotely-triggered and helicopter-remote) avalanches of up to size 2.5 has been observed across the region. This pattern is ongoing. Storm snow is propagating easily on buried surface hoar and facets. Skiers recently triggered avalanches that resulted in wide propagation in the Shames Backcountry, highlighting the surprising reactivity of the snowpack.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Explosive control in the Ningunsaw area resulted in large avalanches failing on the facet layer near the ground.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated sluffing continues. This issue is magnified by solar radiation on sunny slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural, explosive and rider triggered slabs up to 1.5 have been reported all running on the January 4th interface. Reports continue of sluffing (Ioose dry avalanches) from steep rocky terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated sluffing continues. This issue is magnified by solar radiation if the sun pokes through.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small windslabs up to size 1.5 have been reported, failing in immediate lee locations of ridgelines. Sluffing up to size 1.5 continues.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Continued sluffing in steep terrain to size 1.0, otherwise no new.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small wet avalanches could be initiated on Saturday afternoon below 1250 m where the snow was moist. I suspect wind slabs have developed on steep exposed terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">At this point, only sluffing in the recent storm snow has been observed. I suspect storm and wind slabs will start to develop with continued new snow and wind through the storm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A thin, but relatively wide-propagating avalanche was triggered on Needle Peak in the Coquihalla Mountains on Sunday. You can read the description </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/debf74ac-24f3-4168-8fca-548b9147114d" target="_blank"><span class="s_B5813F7D">here</span></a><span class="s_3FE45715">. This kind of avalanche is likely to increase in size and destructive potential with additional loading by new snow and wind.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cycle of natural and human-triggered (including remotely-triggered and helicopter-remote) avalanches of up to size 2.5 was observed on Thursday and Friday across the region. The storm snow has been propagating easily on buried surface hoar and facets. Skiers recently triggered avalanches that resulted in wide propagation in the Shames Backcountry, highlighting the surprising reactivity of the snowpack.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose snow avalanches (sluffing) continue to be reported from steep terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some small wind slabs and loose snow naturals up to size 1.5 were reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing observed, but visibility was mainly obscured.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some thin wind slabs continue to be released by skiers and riders. Surface sluffing continues in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Widespread loose dry slides up to size 2.0, but averaging size 1.5 ,on all aspects and all elevations. Some minor slab propagations were observed to be triggered by sluffs on steep lee and cross loaded features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Soft slabs are becoming reactive to light additional loads. Expect this problem to continue to become more reactive and result in larger avalanches as the storm slab develops.</span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Soft slabs are becoming reactive to light additional loads. Expect this problem to continue to become more reactive and result in larger avalanches as the storm slab develops.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Some soft slab avalanches up to size 2.0 have been reported in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A widespread avalanche cycle occurred overnight on Sunday, with average crowns 40-50 cm deep. Sympathetic avalanches, where one avalanche sets off another, as well as remote releases, where the propagation travels through lower angled terrain to release an avalanche on steeper terrain some distance away were noted. This kind of activity is likely to repeat itself on Tuesday afternoon with another intense pulse of new snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Relatively small soft slab avalanches were easily triggered on Monday. With further loading by new snow, the potential for larger, more destructive avalanches will increase through Tuesday and Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cycle of natural and human-triggered (including remotely-triggered and helicopter-remote) avalanches of up to size 2.5 was observed on Thursday and Friday across the region. The storm snow was propagating easily on buried surface hoar and facets. Since then, the new snow appears to have produced fewer natural avalanches, but the potential for further avalanche activity during storms or due to human triggering is still there.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small windslabs up to size 1.5 have been reported, failing in immediate lee locations of ridgelines. Sluffing up to size 1.5 continues.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural, explosive and rider triggered slabs up to 1.5 have been reported all running on the January 4th interfaces. Reports continue of sluffing (Ioose dry avalanches) from steep rocky terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated sluffing continues up to 1.5.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A thin, but relatively wide-propagating avalanche was triggered on Needle Peak in the Coquihalla Mountains on Sunday. You can read the description </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/debf74ac-24f3-4168-8fca-548b9147114d" target="_blank"><span class="s_B5813F7D">here</span></a><span class="s_3FE45715">. This kind of avalanche is likely to increase in size and destructive potential with additional loading by new snow and wind.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated windslabs in lee terrain to size 1.0 and continued sluffing in steep terrain to size 1.0.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Few naturally triggered loose dry slides up to size 1.5 occurred at treeline and above on steep terrain on all aspects. One naturally triggered slab failed on a steep slope of Mt Nestor at 2700m on a S asp.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous size 1-2 storm snow avalanches were triggered naturally and by skiers on Monday. Explosives triggered storm snow avalanches to size 2.5. In some areas, activity was limited to loose dry sluffing or small very soft slabs. The size and likelihood of avalanches is expected to increase on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous soft slabs of size 1-2 were triggered naturally and by skiers on Monday. The size and frequency of avalanches is expected to increase on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small windslabs up to size 1.5 have been reported, failing in immediate lee locations of ridgelines and isolated storm slabs have been reported to 1.0. Sluffing up to size 1.5 continues.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated slabs up to 1.5 Continued sluffing in steep terrain to size 1.5.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated windslabs have released up to size 1.5.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports are limited, but include minor natural and ski-cut sluffing as well as a couple of Size 1, 10cm deep ski-cut wind slab avalanches.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A widespread avalanche cycle occurred overnight on Sunday, with average crowns 40-50 cm deep. Sympathetic avalanches, where one avalanche sets off another, as well as remote releases, where the propagation travels through lower angled terrain to release an avalanche on steeper terrain some distance away were noted. By Monday morning, most natural activity had ceased, but the potential for human triggering is still there, especially on slopes that have yet to produce avalanches.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from the Coquihalla area on Monday include several natural avalanches up to Size 2 as well as several 20cm thick Size 1 ski-cut slab avalanches on small terrain features. A thin, but relatively wide-propagating avalanche was triggered on Needle Peak in the Coquihalla area on Sunday. You can read the description </span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/debf74ac-24f3-4168-8fca-548b9147114d" target="_blank"><span class="s_B5813F7D">here</span></a><span class="s_3FE45715">. This kind of avalanche is likely to increase in size and destructive potential with additional loading by new snow and wind.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Relatively small soft slab and dry loose avalanches were easily triggered on on Tuesday, but with further loading by new snow, the potential for larger, more destructive storm slab avalanches is expected to increase. At lower elevations near the coast widespread natural moist loose avalanches up to Size 2 were also reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple of small (size 1-1.5) storm slabs were observed on Monday. The size and frequency of avalanches is likely to increase with storm snow and wind loading.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Snowmobilers witnessed naturally-triggered slabs and loose dry sluffs in the Seaton Basin on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural, explosive and rider triggered slabs up to 2.5 have been reported all running on the January 4th interfaces. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new observations on Wednesday but conditions were obscured for most of the day.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A widespread natural cycle of avalanches up to size 3 has been observed over the past two days. Many failed during rapid wind-loading on Tuesday night. Skiers have also been triggering numerous avalanches, including a size 2-2.5 slab which was triggered remotely from 30 m away. Many avalanches have been failing on surface hoar or facets below the storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A widespread natural cycle of avalanches up to size 2.5 has been observed over the past two days. Many failed during rapid wind-loading on Tuesday night. Skiers have also been triggering numerous avalanches. Many avalanches have been failing on surface hoar or facets below the storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of size 1-1.5 storm slabs was observed on Monday and Tuesday. Skiers also triggered small avalanches, failing on buried surface hoar or facets. I expect a more widespread avalanche cycle occurred on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A widespread natural avalanche cycle occurred again on Tuesday afternoon in response to heavy snow and strong winds. Most avalanches were thin (15-20 cm deep) but propagated over long distances and were sometimes triggered from a distance. Rain overnight on Tuesday resulted in a loose wet avalanche cycle in steeper terrain. Drier conditions and cooler temperatures should greatly decrease the likelihood of avalanches over the next few days. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There is one new report of a skier controlled size 2 avalanche in the northern part of the region. The slide released on a steep convex roll below treeline and likely failed on the late December persistent weakness. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive and natural avalanches up to 2.0 were observed, predominantly windslab events on north through east facing slopes. Isolated remote and rider triggered slides have also been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanches up to 2.5 have been reported, predominantly windslabs failing naturally and with explosives in lee locations. Isolated rider triggering has also been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural, explosive and rider triggered (ski controlled and accidental) slabs up to 2.5 have been reported all running on the January 4th interfaces or within the storm snow. Extensive cracking and whumphing has also been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Snowmobilers witnessed naturally-triggered slabs and loose dry sluffs in the Seaton Basin on Monday. We have had no reports from anyone in the field since then. Please tell us what you're seeing at forecaster@avalanche.ca</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Numerous loose snow and slab avalanches up to size 2 were reported throughout the region on Tuesday. Most observed slabs were 15-20 cm deep, but were probably significantly deeper by Wednesday morning. Slabs will likely remain susceptible to human triggering over the next couple days. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Reports from Wednesday only started to trickle in by the time this was published. One area north of Pemberton reported a widespread natural avalanche cycle with a couple events up to size 3. It is very likely that other areas also saw a large and widespread avalanche cycle in response to heavy snow and strong winds. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural and explosive triggered windslabs have released up to size 2.0. Poor visibility has obscured much of the higher terrain, so we have limited observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Slab avalanches are unlikely. Small loose dry avalanches are possible on steep shady slopes, depending on how much snow has accumulated over the crust. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread natural avalanche cycle was observed on Wednesday with numerous slab avalanches up to size 2 and a few larger events up to size 3. There were also several size 2 skier triggered avalanches, many occurring at below treeline elevations and releasing on the early January surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are reports of a widespread natural avalanche cycle from Tuesday night and Wednesday. Slab avalanches up to size 3 were observed, with many events occurring below treeline and failing on the early January surface hoar layer. There are also a couple reports of skier triggered avalanches up to size 2 and avalanches being triggered from a distance. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of size 1-3 storm slabs occurred over the last three days. Skiers also several avalanches up to size 2, failing on buried surface hoar or facets. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural, explosive and rider triggered (ski controlled and accidental) slabs up to 2.5 have been reported all running on the January 4th interfaces or within the storm snow. Extensive cracking and whumphing has also been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle to size 2 was observed in the Castle backcountry on Wednesday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Numerous slab avalanches up to size 2 were observed in steep open terrain below 2150m.  These slides were only 30-40cm deep and likely failing on the 0106SH interface.  In the alpine, numerous slabs avalanche on steep south facing slopes were observed up to size 2.5.  These avalanches were failing within the storm snow and running to the top of their normal runouts.  Numerous loose dry sluffs up to sz 1.5 were also observed. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Clear weather on Wednesday revealed a previous natural avalanche cycle (+48 hours) with slabs up to size 3. Most events appeared to release within the recent storm snow, with a few events suspected to have stepped down to the late December surface hoar or facet layers. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Snowmobilers witnessed naturally-triggered slabs and loose dry sluffs in the Seaton Basin on Monday. No avalanches have been reported since then. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of size 1-2.5 storm slabs occurred over the last three days. Skiers also triggered avalanches up to size 2, failing on buried surface hoar or facets. The touchy nature of the buried surface hoar was revealed by a skier-remote triggered avalanche, and a skier-triggered size 1 which ran across a flat bench and triggered a size 2 on another slope. Both these events were in the 1350-1450m elevation band on N/NE aspects in the south of the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of mainly size 1-3 storm slabs occurred over the last three days. Skiers also triggered numerous avalanches up to size 2, failing on buried surface hoar or facets. The touchy nature of the buried surface hoar was revealed by several skier-remote and helicopter-remote triggered avalanches (from up to 200 m away), including one event which initiated a chain reaction of 5 slabs of up to size 2. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday avalanches released naturally and were initiated by sledders, skiers and explosives. Avalanche activity was widespread to size 3.  It should be noted that there was some remote triggering too. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche activity was widespread on Monday.  Avalanches ran naturally to size 2 and explosives triggered avalanches to size 3.  Crowns ranged from 10 - 60 cm in depth and the bulk of activity involved the January 4th interface.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Control work on Friday on the EEOR produced 3sz 2 avalanches and 1 sz 1 avalanche.  These were all within the storm snow and widthe were 30-100m wide.  </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Control wonk on friday was also done in the Buller Mountain area.  In this zone we had 2 sz 2 avalanches and 1 sz 1.  All within the storm snow.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Natural avalanche activity was noticeably decreased today but there is evidence of a recent avalanche cycle over the past 2 days with avalanches up to size 3. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Slab avalanches are unlikely. Small loose dry avalanches are possible on steep shady slopes, depending on how much snow has accumulated over the crust. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are a few reports of accidentally triggered slab avalanches up to size 2 on Thursday. A widespread natural avalanche cycle was observed on Wednesday with numerous slab avalanches up to size 2 and a few larger events up to size 3. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are reports of isolated slab avalanches up to size 2 from wind loaded slopes in response to the northerly outflow winds. Clear weather on Wednesday revealed a previous natural avalanche cycle (+48 hours) with slabs up to size 3. Most events appeared to release within the recent storm snow, with a few events suspected to have stepped down to the late December surface hoar or facet layers. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are reports of a widespread natural avalanche cycle from Tuesday night and Wednesday. Slab avalanches up to size 3 were observed, with many events occurring below treeline and failing on the early January surface hoar layer. There are also a couple reports of skier triggered avalanches up to size 2 and avalanches being triggered from a distance. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of size 1-3 storm slabs occurred over the last few days. Skiers also several avalanches up to size 2, failing on buried surface hoar or facets. We are now moving into a period when natural activity is likely to decrease, but human-triggering will remain a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No avalanches have been reported recently. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of size 1-3 storm slabs occurred over the last few days. Skiers also triggered numerous avalanches up to size 2, failing on buried surface hoar or facets. The touchy nature of the buried surface hoar was revealed by several skier-remote triggered avalanches (from up to 200 m away), including one event which initiated a chain reaction of 5 slabs of up to size 2. We are now moving into a period when natural activity is likely to slow, but human-triggering will remain a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">In the Lizard Range avalanches were intentionally triggered by skiers and explosives resulting in avalanche to size 2 on all aspects on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Our field team reported numerous small avalanches on Thursday from the Inverted Peak area.  In the nearby Lizard Range avalanches were intentionally triggered by skiers and explosives resulting in avalanche to size 2 on all aspects.  I suspect a thorough look around the South Rockies would reveal a similar pattern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of size 1-2.5 storm slabs occurred over the last few days. Skiers also triggered avalanches up to size 2, failing on buried surface hoar or facets. The touchy nature of the buried surface hoar has been revealed by skier-remote triggered avalanches, and a skier-triggered size 1 which ran across a flat bench and triggered a size 2 on another slope. These events were in the 1350-1450m elevation band on N/NE aspects in the south of the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Widespread avalanche cycle at and below treeline to size 1.5 on Thursday.  Explosive control work (large trigger) initiated avalanches to size 2.5 on SE through E facing slopes around 2000m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Operators report evidence of a mid storm avalanche cycle to size 2.5.  Evidence of the cycle is slowly being eroded by the winds. Explosive work in the region produced avalanches on all aspects that averaged size 2.  Near the Purcell Wilderness Conservancy a cycle was observed that produced avalanches to size 3 in the alpine which ran to valley bottom.  Small avalanches were observed on unsupported treeline features too.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Na,  size 2, slab, south face Rimwall (west wind pass area) , 2400m</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. Small loose dry avalanches are possible on steep shady slopes. Loose wet avalanches are possible on steep sun exposed slopes and should increase in likelihood into next week when temperatures are expected to rise significantly. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There was a size 2 accidentally triggered slab avalanche in the Spearhead Range on Thursday. A thin wind slab was triggered near ridge top on a relatively low-angle slope, which then stepped down to a weak layer approximately 100 cm deep lower on the slope. This avalanche is suspected to have released on the early January surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no new reports of natural or human triggered avalanches in the region. However, there was an accidentally triggered size 2 avalanche in the Spearhead Range near Whistler on Thursday. A thin wind slab was triggered near ridge top, which stepped down to a buried weak layer approximately 100 cm deep further down the slope. This event was suspected to have released on the early January surface hoar layer, which is also present in this region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several reports of both natural and human triggered loose snow avalanches from steep terrain to size 1.5. Isolated skier controlled wind slabs to size 1 at ridge top.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no new natural avalanche reports. Explosive control work near highway corridors over the past couple days produced several avalanches up to size 3.5. Some of these slides released on the late December surface hoar or facet layer and propagated widely. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No avalanches have been reported recently. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of size 1-3 storm slabs occurred last week. Many were failing on buried surface hoar or facets. Natural activity has decreased, but human-triggering remains a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of size 1-2.5 storm slabs occurred last week. The touchy nature of the buried surface hoar was revealed by skier-remote triggered avalanches, and a skier-triggered size 1 which ran across a flat bench and triggered a size 2 on another slope. These events were in the 1350-1450m elevation band on N/NE aspects in the south of the region. Avalanche activity has now decreased, but human-triggering remains a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of size 1-3 storm slabs occurred last week. The touchy nature of the buried surface hoar was revealed by several skier-remote triggered avalanches (from up to 200 m away), including one event which initiated a chain reaction of 5 slabs of up to size 2. Natural activity has decreased, but human-triggering remains a concern.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> Avalanche observations Friday were limited to loose sluffs out of steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche activity was limited to loose sluffs in steep terrain Friday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The upper snowpack has tightened up with the cold temperatures and the time elapsed since the last storm. Overall numbers of avalanche observations have decreased, but the avalanches are getting more interesting/scary.  A group of skiers remotely triggered a size 2 avalanche from 70m away on a W facing aspect at TL Friday.  Explosive work in the region didn't produce much activity Friday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations include several small skier controlled wind slabs. There was an accidentally triggered size 2 avalanche in the Spearhead Range near Whistler on Thursday. A thin wind slab was triggered near ridge top, which stepped down to a buried weak layer approximately 100 cm deep further down the slope. This event was suspected to have released on the early January surface hoar layer, which is present in this region as well. This layer may wake up again when temperatures rise above zero this week.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Lot's of slope testing in the Lizard today, no slab releases.  Avalanche activity was limited to loose dry avalanches.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous glide cracks and a few size 2 avalanches were reported at treeline and below treeline. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches were reported in the region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few natural avalanche up to 1.5 were reported on sun facing slopes and a skier triggered slab avalanche size 2.5 on a West facing slope which ran on the January 4th surface hoar and facets interface. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. Loose wet avalanches are possible on steep sun exposed slopes, and should increase in likelihood as temperatures rise.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The upper snowpack has tightened up with the cold temperatures and the time elapsed since the last storm. Overall numbers of avalanche observations have decreased, but the avalanches are getting more interesting/scary.  A group of skiers remotely triggered a size 2 avalanche from 70m away on a W facing aspect at TL Friday.  Explosive work in the region didn't produce much activity Friday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There was a size 2 accidentally triggered slab avalanche in the Spearhead Range on Thursday. A thin wind slab was triggered near ridge top on a relatively low-angle slope, which then stepped down to a weak layer approximately 100 cm deep lower on the slope. This avalanche is suspected to have released on the early January surface hoar layer. We could see this weakness wake up this week as temperatures rise above zero in the alpine.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few size 1 skier triggered slab avalanches were reported from the South part of the region. Except some sluffing in steep terrain, no other reports since last week's avalanche cycle.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Lot's of slope testing in the Lizard today, no slab releases.  Avalanche activity was limited to loose dry avalanches.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are a few reports of glide releases in steep south facing terrain. Explosive control work near highway corridors over the past couple days produced several avalanches up to size 3.5. Some of these slides released on the late December surface hoar or facet layer and propagated widely. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new significant avalanche observations, just reports of sluffing from steep terrain and small shallow skier controlled soft slabs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations over the past 24hrs.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no new reports or observations of natural or human triggered avalanches from the past 2 days, and I suspect there were a lot of people in the mountains on the weekend. There was a size 2 accidentally triggered slab avalanche in the Spearhead Range on Thursday. A thin wind slab was triggered near ridge top on a relatively low-angle slope, which then stepped down to a weak layer approximately 100 cm deep lower on the slope. This avalanche is suspected to have released on the early January surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations include several small natural and skier triggered wind slabs up to 20 cm deep from steep lee terrain. There was an accidentally triggered size 2 avalanche in the Spearhead Range near Whistler on Thursday. A thin wind slab was triggered near ridge top, which stepped down to a buried weak layer approximately 100 cm deep further down the slope. This event was suspected to have released on the early January surface hoar layer, which is present in this region as well. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Sunday there was a report of a size 1.5 skier triggered avalanche on a steep unsupported convex roll on a northerly aspect. This event likely released on the late December surface hoar layer approximately 60 cm deep. There are also a few reports of glide releases in steep south facing terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new significant avalanche observations, just a bit of surface sluffing.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few recent natural slab avalanches up to size 2.5 on steep South and Northwest aspects were reported in the Northern part of the region. There was also several natural and skier triggered slab avalanches up to size 1.5 on various aspects all over the region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Most of the region did not see any activity on Sunday. The exception was around the bugaboos where several natural size 2.5's came out of the alpine on a piece of west facing terrain.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches were reported in the region. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Limited minor sluffing in steep rocky terrain.  One Size 1 soft slab release triggered by goats on an E aspect at treeline in steep rocky terrain.  Ran 75m by 10m wide.  Approx depth of 20cm.  No tracks or other sign indicating goats were caught!</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. Loose wet avalanches are possible on steep sun exposed slopes, and should increase in likelihood as temperatures rise.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new significant avalanche observations, just a bit of surface sluffing.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Skiers are still triggering some sluffing in steep terrain.  A small slab popped out Saturday night and there was also a report of a skier controlled size 1 failing on facets 20 cm below the snow surface. Avalanche activity is fairly benign at the moment.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Many recent natural slab avalanches size 1.5 occurred in the Northern part of the region running mostly on various aspects on the surface hoar layer from early January and 2 skier triggered a slab avalanche up to size 2 on a South aspect ran on the same weak layer.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few recent natural slab avalanches up to size 2 and a skier triggered avalanche size 1.5 were reported. The failure plane was the late December surface hoar. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports include numerous natural moist slab avalanches up to Size 2.5 and widespread wet sluffing with warm temperatures and light rain on Monday. In the eastern part of the region, extreme winds caused numerous thin wind slab avalanches in alpine areas below ridgetops, and strong solar radiation caused a few Size 2 released right to the ground. On Sunday there was a report of a size 1.5 skier triggered avalanche on a steep unsupported convex roll on a northerly aspect. This event likely released on the late December surface hoar layer approximately 60 cm deep. There are also a few reports of glide releases in steep south facing terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose snow avalanches to size 1.5 were ski cut in the region on Monday. With moderate winds, loose snow was also redistributed into soft windslabs that ran to size 1 with ski cuts in isolated locations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There are no new reports or observations of natural or human triggered avalanches in the past 2 days, and I suspect there were a lot of people in the mountains on the weekend. There was a size 2 accidentally triggered slab avalanche in the Spearhead Range on Thursday. A thin wind slab was triggered near ridge top on a relatively low-angle slope, which then stepped down to a weak layer approximately 100 cm deep lower on the slope. This avalanche is suspected to have released on the early January surface hoar layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new significant avalanche observations have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several size 1-2 wind slabs were triggered naturally and by skiers on Tuesday morning. Wind slabs were also triggered remotely by a skier and a helicopter on Monday on steep lee slopes. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche activity has begun to slow, but occasional skier-triggered avalanches are still being reported, failing on persistent weak layers from early January. Many of these events were on SE through SW aspects, with the odd persistent slab on other aspects. Some solar-related and loose dry natural activity was observed on Monday. </span><span class="s_3FE45715" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche activity has begun to slow, but occasional skier-triggered avalanches are still being reported, failing on persistent weak layers from early January. Many of these events were on SE through SW aspects, with the odd persistent slab on other aspects. Some solar-related and loose dry natural activity was observed on Monday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations include snowballing and several wet loose sluffs ip to Size 1.5 on sun-exposed slopes. A few large slab avalanches up to Size 3, involving the persistent weakness buried at the beginning of January also released due to intense warming on south aspects on Monday. Check out</span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/42a4a472-cc87-409a-8a7c-be32e318aa77" target="_blank"><span class="s_9255B882"> this incident report </span></a><span class="s_AA239A9B">from the Duffey Lake area on the weekend. The 60cm deep slab avalanche may have release on the surface hoar persistent weakness buried at the beginning of the month.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday a size 2 windslab avalanche was skier-triggered in a chute above Crater Lake. The crown was about 30m wide with a maximum height of 80cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. Loose wet avalanches are possible on steep sun exposed slopes, and should increase in likelihood as temperatures rise.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">New avalanche observations on Tuesday were limited to small sluffs from steep alpine terrain.  Upper elevation winds were sporadic most of the day but when they did touch down along the ridge tops and peaks sluffs were quick to materialize.  Ski cutting on some steep slopes near treeline produced nothing more than deep ski penetrations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few loose moist avalanches to size 1.5 were reported from the region. They occurred on steep solar aspects. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">A few windlsabs to size 2 were also reported in alpine terrain. They all seemed to have formed due to strong northwest winds.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new significant avalanche observations have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose snow avalanches and windslabs to size 1.5 were ski cut in the region on Tuesday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. Loose wet avalanches are possible on steep sun exposed slopes during the day. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Wednesday there were reports of a few small loose wet avalanches on steep sun exposed slopes, and couple accidentally skier-triggered size 1 slab or loose snow avalanches in steep south facing terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations include snowballing and several wet loose sluffs ip to Size 1.5 on sun-exposed slopes, and several natural slab avalanches up to size 2.5 from warming (south aspects) and windloading (east through south aspects). In most cases the suspected failure plane was the early January interface. There is also a report of a size 2.5 glide crack release in the Coquihalla. Check out</span><a id='GoToAdded' href="http://www.avalanche.ca/cac/library/incident-report-database/view/42a4a472-cc87-409a-8a7c-be32e318aa77" target="_blank"><span class="s_9255B882"> this incident report </span></a><span class="s_AA239A9B">from the Duffey Lake area on the weekend. The 60cm deep slab avalanche may have release on the surface hoar persistent weakness buried at the beginning of the month.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent reports include numerous natural moist slab avalanches up to Size 2.5 and widespread wet sluffing with warm temperatures and light rain on Monday. In the eastern part of the region, extreme winds caused numerous thin wind slab avalanches in alpine areas below ridgetops, and strong solar radiation caused a few Size 2 released right to the ground. On Sunday there was a report of a size 1.5 skier triggered avalanche on a steep unsupported convex roll on a northerly aspect. This event likely released on the late December surface hoar layer approximately 60 cm deep. There are also a few reports of glide releases in steep south facing terrain. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of wind slabs to size 2 was observed on Tuesday. Solar-triggered loose snow avalanches also failed on steep sun-exposed slopes. Occasional skier-triggered avalanches have been failing on persistent weak layers from early January over the last week. These have mostly been on steep south-facing slopes or sheltered slopes below treeline.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday a size 2 windslab avalanche was skier-triggered in a chute above Crater Lake. The crown was about 30m wide with a maximum height of 80cm. On Tuesday a snowmobiler triggered a size 1 windslab on a slope which was reported to be &quot;normally very stable&quot;. Reports suggest that the recent strong winds will be responsible for ongoing windslab activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several naturally-triggered size 1 wind slabs were observed on Tuesday. A skier also triggered a size 1.5 slab on a north aspect at 1300 m, which failed on buried surface hoar.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several size 1-2.5 wind slabs were triggered naturally and by skiers on Tuesday and Wednesday. Cornice falls were also reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of wind slabs to size 2.5 was observed on Tuesday. Solar-triggered loose snow avalanches also failed on steep sun-exposed slopes. A skier was caught in a size 1.5 slab in the Selkirks and lost some gear. This was on a south aspect at 2500m. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches noted</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of wind slabs to size 2 was observed on Tuesday. Solar-triggered loose snow avalanches also failed on steep sun-exposed slopes. Occasional skier-triggered avalanches have been failing on persistent weak layers from early January over the last week. These have mostly been on steep south-facing slopes or sheltered slopes below treeline.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural and human-triggered cycle of wind slabs to size 2 was observed on Tuesday and Wednesday. Occasional skier-triggered avalanches have been failing on persistent weak layers over the last week. These have mostly been on steep south-facing slopes or sheltered slopes below treeline. A naturally-triggered size 3 slab was observed on a north aspect at 2600 m, which may have failed on the November crust. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several size 1-2.5 wind slabs were triggered naturally and by skiers on Tuesday and Wednesday. Cornice falls were also reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Wednesday there were reports of a few small loose wet avalanches on steep sun-exposed slopes, and couple of skier-triggered size 1 slab or loose snow avalanches in steep south facing terrain. There were no new avalanches reported on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations mostly involve snowballing and several wet loose sluffs up to Size 1.5 on sun-exposed slopes. Daytime warming probably contributed to a size 2.5 slab avalanche that most likely failed on the crust/facet combo near the ground in Gates Lake area (NW of Pemberton). The slide, which was 100m wide and 200m long, released on a west aspect at 1800m, and had a crown of 80-150cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Due to inclement weather, observations have been limited; however, on Monday a size 2 windslab avalanche was skier-triggered in a chute above Crater Lake. The crown was about 30m wide with a maximum height of 80cm. On Tuesday a snowmobiler triggered a size 1 windslab on a slope which was reported to be &quot;normally very stable&quot;. Forecast weather suggests that there will be ongoing windslab activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous wind slab avalanches to size 2 were reported from NE, E and SE facing slopes Wednesday.  Loose wet avalanches to size 1 were also observed on steep solar aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several naturally-triggered size 1 wind slabs were observed on Tuesday. A skier also triggered a size 1.5 slab on a north aspect at 1300 m, which failed on buried surface hoar.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Due to inclement weather observations have been very limited; however. numerous moist or wet snow avalanches to size 2 were reported from the region on Wednesday. They occurred as loose snow avalanches or as glide cracks, and released on a variety of aspects at treeline and below. I would suspect a sharp increase in windslab activity with weather forecast for Thursday night.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No new significant avalanche observations have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No new significant avalanche observations have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Xe on small slopes in Elk Pass area BTL produced no results.  One Size 1 moist  sluff on S asp 2300m - isolated event.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple of large glide slab releases have been observed. Otherwise, no new avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche activity has decreased over the last couple of days. A natural and human-triggered cycle of wind slabs to size 2 was observed on Tuesday and Wednesday. Occasional skier-triggered avalanches failed on persistent weak layers over the last week. These have mostly been on steep south-facing slopes or sheltered slopes below treeline. A naturally-triggered size 3 slab was observed on a north aspect at 2600 m, which may have failed on the reloaded November crust. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple of slabs (size 1 and 2.5) failed naturally on NW aspects at around 2400 m on Thursday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several naturally-triggered size 1 wind slabs were observed on Tuesday. A skier also triggered a size 1.5 slab on a north aspect at 1300 m, which failed on buried surface hoar. No avalanches have been reported since then.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no recent avalanche observations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Report into the office a Skier remotely triggered sz 2 from 50m away on Kent Ridge.  Slide was 5-50cm deep, 60m wide and ran approx 100m.  Slide failed on the ground.  No other avalanches were observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations mostly involve snowballing and several wet loose sluffs up to Size 1.5 on sun-exposed slopes. Daytime warming probably contributed to a size 2.5 slab avalanche that most likely failed on the crust/facet combo near the ground in Gates Lake area (NW of Pemberton) on Wednesday. The slide, which was 100m wide and 200m long, released on a west aspect at 1800m, and had a crown of 80-150cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Due to inclement weather observations have been very limited; however, numerous moist or wet snow avalanches to size 2.5 were reported from the region on all aspects at treeline and below. On Thursday numerous avalanches ran to size 3.5 in the north of the region where recent snow accumulations were the highest. They occurred in response to heavy snowfall and strong to extreme winds.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations from Thursday.  On Wednesday numerous wind slab avalanches to size 2 were reported from NE, E and SE facing slopes along with loose wet avalanches to size 1 were also observed on steep solar aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">A few loose snow avalanches to size one occurring on upper elevation S, SW and even NE facing slopes were reported Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">A few loose snow avalanches to size one occurring on upper elevation S, SW and even NE facing slopes were reported Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural activity. On Friday a group of skiers triggered a small (size 1.5) hard slab avalanche the failed when the 3rd skier traversed across an east facing slope at 2000m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A slab avalanche size 2 was reported from the Jumbo area. It would have been triggered by a cornice fall on a steep alpine slope. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations mostly involve snowballing and several wet loose sluffs up to Size 2 on sun-exposed slopes. A few wind slabs were observed to size 2 in the north of the region. They were formed by strong west winds a few days ago and have most likely gained some strength.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple natural avalanches up to size 3 were observed in  Roger’s Pass area as well as a remote skier triggered slab avalanche size 1.5 on a windloaded feature at top of treeline in the same area. Another natural slab avalanche size 1.5 was reported which would have run on a steep NE facing slope. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Thursday and Friday numerous avalanches ran to size 3.5 in the north of the region where recent snow accumulations were the highest. They occurred in response to heavy snowfall and strong to extreme winds. Most recent occurrences were observed on east to northwest aspects at treeline and above. One result pulled down to basal weaknesses where it interacted with summer firn.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Several recent natural slab avalanches up to size 1.5 were reported which would have released in the new storm snow. A glide crack released to the ground producing a size 2.5 was also reported on a SW aspect. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A size 2 windslab avalanche was remotely triggered by a skier on Friday in the north of the region. It was triggered from 20m away on an east aspect at 1550m and ran 150m</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural avalanche activity was observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Loose snow avalanches continued Friday driven by strong SW winds. Activity was greatest on steep solar aspects which produced loose snow avalanches to size 1.5.  We received a couple of different reports of skiers intentionally triggering size 1 avalanches in cross loaded gulley features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Loose snow avalanches continued Friday driven by strong SW winds. Activity was greatest on steep solar aspects which produced loose snow avalanches to size 1.5.  We received a couple of different reports of skiers intentionally triggering size 1 avalanches in cross loaded gulley features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose wet avalanches to size 1 have been reported in steep, sun-exposed terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple natural avalanches up to size 3 were observed in  Roger’s Pass area as well as a skier remote triggered slab avalanche size 1.5 on a windloaded feature at top of treeline in the same area. In the more South-West part of the region, a small skier triggered slab avalanche was reported as well as some minor sluffing in steep sheltered areas. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A slab avalanche size 2 and numerous loose avalanches would have been triggered yesterday on steep sun exposed slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple small slab avalanches were triggered when skier controlled on E aspect slope. Several natural slab avalanches from 1 to 2.5 in the Roger Pass area. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent observations mostly involve snowballing and wet loose sluffs to size 2 on sun-exposed slopes. Ongoing wet loose avalanche activity is quite likely with forecast warm temperatures.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Prior to the weekend numerous avalanches ran naturally or with explosives to size 3.5 in the north of the region where recent snow accumulations were the highest. They occurred in response to heavy snowfall and strong to extreme westerly winds. One result pulled down to basal weaknesses that interacted with summer firn. Wind slab and storm slab activity remains a possibility, especially in locations to the north where snow accumulations were greatest.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday stiff wind slabs were reported to have run naturally in the north of the region on northeast and east aspects. In isolated occurrences, these wind slab avalanches triggered full-depth avalanches that ran on basal facets 100cm below the surface and ran up to 200m wide and 200m long.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche was reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural avalanche activity was observed or reported</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche was reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Very small loose point releases is steep terrain were observed Saturday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Activity has been limited to size 1 loose snow avalanches on slopes receiving direct sun.  Interestingly, a glide avalanche was observed on Mt. Fernie Saturday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural activity. On Saturday a size 2 avalanche was spotted that was suspected to be sled triggered.  It was just below ridgetop on an east aspect at 2200m.  On Friday a group of skiers triggered a small (size 1.5) hard slab avalanche the failed when the 3rd skier traversed across an east facing slope at 2000m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Activity has been limited to size 1 loose snow avalanches on slopes receiving direct sun.  Interestingly, a glide avalanche was observed on Mt. Fernie Saturday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few natural slab avalanches up to size 2.5 released on steep solar aspect with the exception of one on a NE aspect.  Several loose snow avalanches up to size 2 on S facing slopes were also reported. A glide crack release produced a size 2.5 avalanche below treeline on a NE facing slope.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous loose snow avalanches size 1 were reported on steep solar aspects in the Bugaboos area. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Loose wet avalanches to size 1 have been reported in steep, sun-exposed terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few small natural slab and loose avalanches up to size 1.5 were reported which would have initiated in steep E and NE aspects.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural avalanches observed or reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural loose snow avalanches up to size 2 on solar aspects were reported and a size 1 slab on the same aspect.  2 glide crack releases producing size 2.5 avalanches in the below treeline band on N and NE aspects were also reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent observations mostly involve snowballing and wet loose avalanches to size 2 on sun-exposed slopes. Ongoing wet loose avalanche activity is quite likely with forecast warm temperatures.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A snowcat triggered a size 2 slab on a cross loaded north aspect at 1400 m on Sunday. A recent natural size 1.5 avalanche was also observed on a steep SW aspect near Terrace.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Recent activity has been limited to size 1 loose snow avalanches on slopes receiving direct sun.  Interestingly, a glide avalanche was observed on Mt. Fernie Saturday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, hard wind slabs failed naturally in the north of the region on northeast and east aspects. In isolated occurrences, these triggered full-depth avalanches that ran on basal facets. No avalanches have been reported since then.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Activity on Sunday was limited to small loose wet avalanches on southerly facing slopes receiving direct sun.  On Saturday a size 2 avalanche was spotted that was suspected to be sled triggered.  It was just below ridge top on an east aspect at 2200m. The observer guessed the crown was aprox. 80 cm deep. On Friday a group of skiers triggered a small (size 1.5) hard slab avalanche the failed when the 3rd skier traversed across an east facing slope at 2000m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">Recent activity has been limited to size 1 loose snow avalanches on slopes receiving direct sun.  Interestingly, a glide avalanche was observed on Mt. Fernie Saturday.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">For the past 5 days avalanche activity has been limited to loose wet avalanches from steep south facing terrain receiving direct sun.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no recent avalanches reported, but expect activity to pick up with the forecast stormy weather.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent activity has been limited to isolated relatively harmless wet loose snow avalanches on sun-exposed slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from Monday are limited to relatively harmless natural wet sluffs on steep sun-exposed slopes, and dry sluffs with ski cutting on faceted shady slopes. Expect wind and storm slab avalanche activity to pick up with stormy weather throughout the forecast period.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few loose avalanches up to size 2 were reported on steep S-SE facing slopes. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few recent loose snow avalanche on steep terrain as well as a couple small natural slab avalanches on N and NE aspects were reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some snowballing and loose avalanches on S facing slopes was reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural avalanches observed or reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Friday, hard wind slabs failed naturally in the north of the region on northeast and east aspects. In isolated occurrences, these triggered full-depth avalanches that ran on basal facets. No avalanches have been reported since then.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Reports from Monday are limited to isolated relatively harmless natural wet sluffs on steep sun-exposed slopes, and dry sluffs with ski cutting on faceted shady slopes. Expect wind and storm slab avalanche activity to pick up with stormy weather throughout the forecast period.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few wind slabs (size 1.5-2.5) have been triggered naturally and by a machine over the last few days. In one case, a steep wind-loaded SE-facing slope failed as a size 2.5 slab which stepped down to basal facets in the north of the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous moist loose avalanches up to size 1.5 and snowballing on S facing slopes was reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Naturally-triggered moist avalanches were observed near Terrace on Tuesday. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A couple natural slab avalanches on S-SW aspects size 2.5 were reported in the Northern part of the region. One would have initiated in a shallow/crossloaded feature and would have stepped down from a 5 cm deep surface hoar instability to a 30 cm deep facet instability and then to the old facet/crust combo at the bottom of the snowpack down 85 cm. A skier triggered size 2 slab avalanche was also reported in the central part of the region which would also have initiated in a cross-loaded feature on a NW aspect. Suspect failure on the January 4th surface hoar down around 40 cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Expect wind and storm slab avalanche activity to pick up with stormy weather throughout the forecast period.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Expect wind and storm slab avalanche activity to pick up with stormy weather throughout the forecast period.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no recent avalanches reported, but expect activity to pick up with the forecast stormy weather.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanche activity was reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanche was reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">One report of a natural size 1.5 avalanche from steep NE facing terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new natural avalanche observations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanche was reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No reports of new avalanche activity.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There have been no new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Stiff pockets of wind slab up to size 1.5 and sluffing up to size 1.5 were reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Storm snow was already sluffing far and fast yesterday. We expect more of that happened today and also the storm slabs probably producing some avalanches too. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle of wet slabs was triggered by rain at the beginning of the storm on Wednesday around the Coquihalla.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent natural avalanche was reported. An explosive shot resulted in a size 2 slab on a W slope which is suspected to have run on the early January weak surface. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity noted other than some loose dry sluffs from steep rocky alpine terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm snow was already starting to sluff easily far and fast in steep terrain yesterday afternoon. Soft slabs were also forming and were starting to react to skier traffic. Suspect more of that kind of activity today. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm snow was already sluffing easily in steep terrain yesterday. We expect that more of that happened today and also some soft slabs formation probably producing some recent avalanches in the new snow. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Surface sluffs were failing naturally and with skier traffic in steep terrain on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several size 1 soft slabs were triggered by skiers on mainly northerly aspects on Wednesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche observations were seen.  Field teams spent the majority of the day in the Ghost working on a rescue scenario.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small soft slabs and loose dry avalanches have been failing naturally and with skier traffic. A size 3 avalanche failed naturally in very steep terrain on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Aggressive ski cutting and ski testing did not provide any results today.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control resulted in a size 2.0 slab avalanche on a East-Northeast aspect that was about 30 cms thick.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose snow natural and skier controlled avalanches up to size 1.0 were reported from the Kootenay Pass area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small soft slabs and loose dry avalanches have been failing naturally and with skier traffic. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose avalanche cycle up to 1.5 ran on the January 23rd interface mostly on NE aspects. There was also a few small skier triggered avalanches also on NE aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few natural slab avalanches were reported size 2 on E-NE aspects in the storm snow. A few small slabs were also triggered by skiers on the early January surface hoar found under 60-70 cm below treeline on a North facing aspect. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural cycle happened yesterday up to size 2.5 on various aspects but mostly SE which mostly ran on the January 23rd facet/suncrust/surface hoar interface. Several loose and slab avalanches were also skier triggered on the same interface up to size 2 on Easterly aspects.  It is interesting to note that a couple small skier triggered slab avalanche ran on the early January surface hoar layer in the Cariboo region, in an area very close to the North Columbia North border which could suggest that it could be more reactive in that area. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1 loose dry avalanches were observed on Thursday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> A small natural avalanche cycle took place in the storm snow up to size 2 which ran on the January 23rd interface mostly on N and E face. Multiple loose and slab avalanches were also skier triggered in the new snow up to size 1.5 also on the January 23rd interface on various aspects but mostly NE and E aspects. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new observations from last 24 hrs.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Aggressive ski cutting and ski testing did not provide any results Friday. Some size 1.0 sluffs +24 hours old.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">New soft windslabs and loose dry sluffing up to size 1.5 as the new snow continues to accumulate. Explosive control resulted in slab avalanches up to size 2.0 that were 10-45 cms deep on Northerly aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, reports of size 1-2 natural slab avalanches occurred. Explosive avalanche control produced numerous size 1-2 slab avalanches on NW-NE aspects from 1800-2200 m. Most releases were within the old storm snow. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose dry snow sluffing up to size 1.5 in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous size 2.0 natural slab avalanches were seen at treeline elevations from steeper terrain features. Treeline and below treeline storm slabs have shown a weak bond to the crust buried below. Active avalanche control work done on Friday concluded 1.5-2.0 slab avalanches at all elevations. A size 3 avalanche failed naturally in very steep terrain on Thursday.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">The avalanche danger will rise with continued storm snow accumulations and strong NW winds. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural avalanche cycle was reported in the south part of the region Friday, likely connected to stronger winds along with the new snow. Avalanches were generally up to size 2.5 with a few size 3. Loose snow slides and soft slabs are running quite far and fast on the sugary facets the storm snow covers. Most reports were for small avalanches (to size 1.5) from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural avalanches have been reported. Several size 1.0 skier triggered avalanches occurred specifically over convex rolls at treeline elevations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715"> On Thursday small natural avalanche cycle took place in the storm snow up to size 2 which ran on the January 23rd interface mostly on N and E face. Friday either no new activity or small loose were common; a few small slabs. GNP was the expception with moderate Na cycle to size 3 Fri AM in low density HST.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Mostly small loose avalanches (sluffs) up to 1.5 reported. The little bit of explosive testing had limited results to size 2I'd be watching for the recent storm snow settling into a slab on the sun crust or surface hoar... and for wind building bigger pillows behind ridges and in cross-loaded gulleys.</span></p>
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</style><p class="p_CC664AAA"><span class="s_1681A555">No new avalanches reported from the first few sets of observations Saturday. Loose snow slides and soft slabs are running quite far and fast on the sugary facets the storm snow covers. Most reports were for small avalanches (to size 1.5) from steep terrain.</span><span class="s_AA239A9B" /></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural sluffing has been reported from steep terrain features. On Saturday, numerous size 2.0 natural slab avalanches were seen at treeline elevations from steeper terrain features. Treeline and below treeline storm slabs have shown a weaker bond to the crust buried below. Active avalanche control work done on Friday concluded 1.5-2.0 slab avalanches at all elevations. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No reports of new natural avalanche activity. Some explosives control results up to size 2.0 and some loose dry snow sluffing in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A recent size 3 cornice triggered avalanche was observed on a N aspect at 2700m on one of the back bowls on Mt Rundle.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some loose dry snow sluffing to about size 1.0. Aggressive slope testing by snowmobiles on steep fans did not show any signs of triggering in the Crowsnest North area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There were a couple of Natural avalanches up to size 2.5 that started in steep terrain in the alpine and pulled out storm slabs up to about 150 cms deep on fan features. The 35 cms of dry new snow was reported to be running fast and far. Explosives control resulted in avalanches up to size 2 that were about 100 cms deep. These features are continually exposed to sluffing, and even though the depth is about twice the recent snow fall amounts, it is believed that the sliding layer is the January 23rd weak layer/crust combination.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Pin-wheeling and snowballing in top 5-10 cms in steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Saturday, loose dry sluffing was reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday and Friday, a relatively small natural avalanche cycle took place in the storm snow up to size 2 which ran on the January 23rd interface, mostly on N and E facing slopes. Over the weekend, only a couple of small slab avalanches on northerly aspects were reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Only two small avalanches (N and NE aspects) associated with explosive control were reported on Saturday, and none were reported Sunday. On Thursday and Friday, a small avalanche cycle produced avalanches up to size 1.5 running on the recently buried upper surface hoar layer.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were reported through the weekend. On Friday, a couple of small (size 1) avalanches were triggered on convex rolls by ski cutting on south aspect slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Sluffing of new snow in steep terrain was observed on Saturday. Small slabs could be ski-cut on exposed lee slopes near ridge line.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent reports are of sluffing from steep terrain and small slabs (up to size 2 which isn't that small) forming in pockets behind ridges and ribs. I expect the number and size of windslab avalanches will increase with forecast wind, even if there isn't very much additional new snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few loose dry avalanches to size 1.5 were observed on Sunday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosive avalanche control on Monday produced loose avalanches that ran on the upper surface hoar layer and deeper slab avalanches (up to 100 cm deep) that ran on basal facets on very steep north-facing alpine slopes. There have been no natural avalanches reported since the small cycle (up to size 1.5) on Thursday and Friday last week.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were reported through the weekend. On Friday, a couple of small (size 1) avalanches were triggered on convex rolls by ski cutting on south aspect slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few natural avalanches, likely wind slab events, were observed on Sunday in the alpine. Sluffing of new snow in steep terrain was observed on Saturday. Small slabs could be ski-cut on exposed lee slopes near ridge line.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was a cycle of loose dry avalanches to size 1.5, and a couple of large (size 2-2.5) slabs on NE-facing slopes on Sunday. On Monday, numerous loose avalanches and a few slabs to size 2 failed naturally and with explosives. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose dry avalanches and soft slabs to size 1.5 were triggered naturally and by skiers on Sunday. Explosives triggered several size 1-2 slabs on Monday, failing on a buried crust down 20-30 cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanche activity occurred on higher elevation wind loaded slopes up to size 2.5 on Sunday. Loose snow avalanches were also reported running in the storm snow. A skier triggered a slab avalanche at approximately 1200 m on a north aspect in the recent storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new observed or reported on Monday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday, there were a few, mostly loose snow avalanches on north-facing slopes at higher elevations. There was one small (size 1) human-triggered avalanche reported from 1500 m at valley bottom near a creek. I suspect this is the kind of place surface hoar (most likely the Jan 24th layer, buried 40 cm) would be well preserved. Another small human-triggered avalanche was reported from a north-facing slope in the alpine.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Sunday's reports from professional avalanche safety operations almos unanomously reported &quot;No New Avalanches&quot;. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few loose dry and soft slab avalanches to size 1.5 have been triggered naturally and by skiers over the last couple of days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches have been failing in steep terrain. In most areas, a cohesive storm slab is yet to develop. At Kootenay Pass, a storm slab exists. Explosives triggered several size 1-2 slabs on Monday there, failing on a buried crust down 20-30 cm.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was a cycle of loose dry avalanches (size 1-2), and a few size 2-2.5 slabs over the last couple of days. The most common terrain for this activity has been steep headwalls and fans which have been loaded by loose snow spilling down onto them. A few cornice drops have also been observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday, there were a few, mostly loose snow avalanches on north-facing slopes at higher elevations. There was one small (size 1) human-triggered avalanche reported from 1500 m near valley bottom near a creek. I suspect this is the kind of place surface hoar (most likely the Jan 24th layer, buried 40 cm) would be well preserved. Another small human-triggered avalanche was reported from a north-facing slope in the alpine.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose dry avalanches were reported on steep terrain on Tuesday. Explosive avalanche control on Monday produced loose avalanches that ran on the upper surface hoar layer and deeper slab avalanches (up to 100 cm deep) that ran on basal facets on very steep north-facing alpine slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches reported from this region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural sluffing from steeper terrain features. Reports of rider triggered soft slabs up to size 1.0 from NW-SE aspects above 1500 m. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural sluffing from steep terrain features. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanche activity occurred on higher elevation wind loaded slopes up to size 2.0. Loose snow avalanches were also reported running in the storm snow treeline and below elevations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose dry sluffing from steep terrain. SSL forming, Skier triggered slab produced a size 2.0 on a SE aspect near 1400 m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanche activity observed on Tuesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several small (size 1) slab avalanches were human triggered mostly on north and east aspects in the alpine on Monday. There were a couple of natural avalanches to size 2 reported from steep, cross-loaded alpine terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new observed or reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some loose snow sluffing from steep terrain. Natural wind slabs up to size 2.5 were running full path on the East side of Glacier National Park in the highway corridor.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural slab avalanches up to size 2.5 were reported from the Selkirks. Explosive control in the monashees resulted in a size 3.0 slab avalanche that was about 60 cms deep and ran full path. Sluffing continues to be reported from steep terrain up to size 1.5</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1 to 2 loose dry avalanches have been failing with natural and human triggers in steep terrain. A few slabs to size 2 have also been observed, in some cases failing on a crust/facet interface below recent storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was one skier accidental avalanche size 2.0 that released below treeline on a steep East facing roll, the slab was about 55 cms deep and released on a weak layer of surface hoar (probably Jan23rd). Natural sluffing from steep terrain up to size 1.5. Wind slab avalanches skier controlled up to size 1.5 on East aspects. A few natural slab avalanches releasing in the storm snow down about 60 cms.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cycle of loose dry avalanches (size 1-2), and a few size 2-2.5 slabs have been triggered naturally and by skiers over the last few days. Cornice fall triggered three size 2 slabs on NE-facing slopes on Tuesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Two slab avalanches size 2.5 naturals occurred out of steep wind loaded terrain on an East aspects. Numerous size 2.0 loose and moist avalanches occurred naturally on steeper solar aspects in the afternoon. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Loose dry sluffing from steep terrain. One skier triggered size 2.0 from a NE aspect around 1280 m, from a 40 degree slope.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">One natural slab avalanche size 1.5 was reported that was about 30 cms deep.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Small loose wet avalanches have been observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanche observations reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several rider triggered slab avalanches were initiated on NE-E aspects above 1900 m, all classified as sizze 1.0. The failure plane being the surface hoar/crust/facet layer down 20-40 cm, which has now been buried for a week. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">There was one skier accidental avalanche size 2.0 that released below treeline on a steep East facing roll, the slab was about 55 cms deep and released on a weak layer of surface hoar (probably Jan23rd). Natural sluffing from steep terrain up to size 1.5. Wind slab avalanches skier controlled up to size 1.5 on East aspects. A few natural slab avalanches releasing in the storm snow down about 60 cms.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanches were reported to be mostly size 1.0-1.5, however Glacier National Park reported several size 3.0 naturals on the east side of the Selkirks. There were a few skier accidental and skier controlled avalanches reported up to size 1.5 that were in the 30-50 cms deep range. There were also a couple of avalanches triggered remotely by moving adjacent to avalanche terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural and skier controlled avalanches were reported  up to size 2.0 on North thru East aspects in the alpine and at treeline. Loose snow sluffing in steep terrain continues to be reported up to size 1.0.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanche activity up to size 2.0 was reported from a NE aspect around 1200 m, suspect cornice fall pulling out the slab on the slope below. Isolated small slabs up to size 1.5 initiated from steep alpine features.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche control work using explosives produced numerous slab avalanches up to size 3.0 in the Northern parts of the region. These ran on NE-S aspects 1300 m and above. Failure planes were ground and within recent storm snow, all on previously controlled slopes. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1 to 2 loose dry avalanches have been failing with natural and human triggers in steep terrain. Increasingly, human-triggered slabs (size 1 to 2) are failing on the Jan 23 interface. In many cases, these events have been on wind-loaded aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A cycle of loose dry avalanches, and a few size 1-2 slabs have been triggered naturally and by skiers over the last few days. Cornice fall triggered three size 2 slabs on Tuesday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few loose dry and soft slab avalanches to size 1.5 have been triggered naturally and by skiers over the last few days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches were observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A couple of cornices were reported to release naturally from North thru East aspects up to size 1.5. Sluffing continues to be reported from steep terrain in wind sheltered areas.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Most recent avalanche activity shows the most recent surface hoar/facet/ crust layer (down 30-50 cm) becoming reactive remotely. This remote triggered avalanche was a size 2.0 slab avalanche (initiated 50 m away from the skier) at treeline elevation. Another report of a size 2.0 slab avalanche (skier triggered) also occurred. Both incidents were at 1200-1300 m on North aspects with crowns 50-60 cm deep, 30-40 m wide, and running up to 150 m in length. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">From the Northern parts of the region, a natural slab avalanche size 2.5 was reported from a East aspect at 2000 m, failing on the buried surface hoar layer from early January. This layer has been fairly quiet recently, goes to show it may still be reactive in isolated areas. Another noted size 2.0 slab avalanche failed on the recent buried weakness from a NNW aspect around 1600 m.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Several rider triggered slab avalanches up to size 2.0 have been reported south of the Coquihalla. These avalanches were triggered from SE-E aspects  at 1600-1700 m, failing on the most recently buried crust/surface hoar/facet layer. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous natural slab avalanches size 1.0-2.5 on NE-E aspects, one being a cornice release, and others releasing on older buries surface hoar layers. Rider triggered size 1.0 on SE aspect at 1500 m on most recently buried surface hoar/crust interface. Numerous natural loose wet avalanches from  steeper solar aspects up to size 1.0. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">With forecast rising freezing levels and a high solar influence, loose wet avalanches will continue and potentially step down and entrain most snow above the buried surface hoar/crust interface. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Only one small sz 1 slab avalanche was observed on Mt Fister (N or Mt Nestor). on a steep E aspect alpine feature.  The slide was 20m wide and ran 100m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural size 2 slab avalanche was reported from the Southern part of the region. No additional information besides the size. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, reports from the Northern parts of the region, saw a natural slab avalanche size 2.5 from an East aspect at 2000 m, failing on the buried surface hoar layer from early January. This layer has been fairly quiet recently, goes to show it may still be reactive in isolated areas. Another noted size 2.0 slab avalanche failed on the recent buried weakness from a NNW aspect around 1600 m.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Several rider triggered slab avalanches up to size 2.0 have been reported south of the Coquihalla. These avalanches were triggered from SE-E aspects  at 1600-1700 m, failing on the most recently buried crust/surface hoar/facet layer.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural sluffing from steep terrain features. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, a remote triggered slab avalanche size 2.0 initiated 50 m away from the skier at treeline elevation. Another report of a size 2.0 slab avalanche (skier triggered) also occurred. Both incidents were at 1200-1300 m on North aspects with crowns 50-60 cm deep, 30-40 m wide, and running up to 150 m in length.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, several natural loose, slab and glide avalanches were spotted from a heli flight up to size 2.5. I suspect loose wet avalanches continued in below treeline elevations.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanches size 1.0 have been reported from steep un-supported terrain features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">A cycle of loose dry avalanches and size 1-2 slabs, triggered naturally and by skiers, has been slowly decreasing over the last few days. Cornice fall triggered three size 2 slabs on Tuesday. Avalanche activity may increase again on Saturday in response to solar radiation and warming. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few small loose dry avalanches have been triggered naturally and by skiers over the last few days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Size 1 to 2 loose dry avalanches have been failing with natural and human triggers in steep terrain. Human-triggered slabs (size 1 to 2) have also been failing on the Jan 23 interface. In many cases, these events have been on wind-loaded aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No natural avalanche activity has been reported.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, numerous natural slab avalanches size 1.0-2.5 on NE-E aspects, one being a cornice release, and others releasing on older buries surface hoar layers. Rider triggered size 1.0 on SE aspect at 1500 m on most recently buried surface hoar/crust interface. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">With forecast rising freezing levels and a high solar influence, loose wet avalanches are likely. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A couple of cornices were reported to release naturally from North thru East aspects up to size 1.5. Sluffing continues to be reported from steep terrain in wind sheltered areas.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The cycle of small natural and skier triggered avalanches up to size 1.5 continues to result in 20-40 cms slabs releasing. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The cycle of small natural and skier controlled avalanches continues to result in avalanches up to size 1.5 that are about 30-40 cms deep. Expect this cycle to continue with warming trend.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The recent warming and solar influence triggered numerous loose wet natural avalanches were reported up to size 2. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There was one natural slab size 3.0 that was reported from the North of the region on Friday. Loose snow sluffing to size 1.0 from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural and skier triggered avalanches continued on Friday. As the storm slab settles, the size of the avalanches has increased to average about size 2.0. Most of these avalanches were in the 30-40 cms deep range, however the fractures are beginning to propagate up to about 200 metres wide. Some areas also reported a thin layer of new snow that was releasing naturally, but without much volume.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The cycle of natural and skier triggered avalanches continued on Friday with the average avalanche size increasing to size 2.0. The West Monashee area near Mabel Lake was the most reactive area in the region with natural avalanches up to size 3.0. There was one skier accidental avalanche size 1.5 from the Southern Selkirks that released below treeline at 1450 metres and was 40 cms deep.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Sluffing up to size 1.0 continues to be reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural sluffing from steep terrain features.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, a remote triggered slab avalanche size 2.0 initiated 50 m away from the skier at treeline elevation. Another report of a size 2.0 slab avalanche (skier triggered) also occurred. Both incidents were at 1200-1300 m on North aspects with crowns 50-60 cm deep, 30-40 m wide, and running up to 150 m in length.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Report of a few small cornice failures on a S aspect in the Chester Lake area.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No natural avalanche activity has been reported.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Friday, several natural loose, slab and glide avalanches were spotted from a heli flight up to size 2.5. I suspect loose wet avalanches continued in below treeline elevations.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">I would suspect some solar-induced loose wet avalanche activity in response to warming and strong solar input on Saturday. Human-triggered slabs (size 1 to 1.5) have also been failing on the Jan 23 interface. In many cases, these events have been on wind-loaded aspects.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some loose wet avalanches to size 1.5 occurred in recent days in response to warm temperatures and strong solar effect. As well, there was an isolated size 1.5 cornice release.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported from the region</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches reported. Aggressive slope testing in the Allen Creek area produced no results on steep wind loaded slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanches up to size 3.0 were reported from East aspects in the Monashees. Wind slab releases continued naturally up to size 2.5, and skiers triggered wind slabs up to size 1.0</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported. I would suspect a transition from loose wet avalanche activity to storm slab instabilities with forecast snowfall.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Numerous solar induced point releases to size 1.5 were reported running on steep, south-facing terrain. These occurred in response to warming on Saturday. A few size 1 slabs have also been reported running on the January 23rd interface. They ran 30cm deep between 1800m and 1900m on east facing terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated loose wet sluffs have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated loose wet sluffs have been reported. The Coquihalla area has seen some glide slabs release on slopes with granite slabs as the ground cover. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There was evidence of several loose wet slides up to sz 1 on steep solar aspects that occurred with Saturdays heat wave.  Winds kept the temps down on Sunday and as a result no new natural avalanche activity was observed. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The sun caused a natural cycle of loose and slab avalanches up size 2.0 that were mostly started in very steep un-skiable terrain. Wind slabs also continued to release naturally or were triggered by skiers. The West Monashee continued to be the most reactive area reported, with natural avalanches up to size 3.5 that were releasing in the recent storm snow.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some pockets of wind slab up to size 1.5 were reported, and sluffing up to size 1.0 continues to be reported from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent avalanche control in the region triggered cornice releases to size 2. Shallow slabs were also triggered below the cornices.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">A report from Little Sand Creek indicated significant widespread solar induced avalanche activity which most likely occurred with warming on Friday or Saturday. The avalanches reportedly ran from ridgetop to valley bottom. Solar-induced avalanche activity is expected to taper-off with forecast cooling.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Snowballing was observed on steep, sun-exposed terrain. A size 1 loose snow avalanche was also observed in steep unskiable east facing terrain.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Observations were limited in the region. I would suspect more solar-induced recent avalanche activity with the warming on Saturday.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Avalanche activity has picked up over the last couple days with the increase in load and temperatures. Many loose wet avalanches up to size 2.0 have occurred below treeline, where the recent precipitation has fallen as rain. Higher in the terrain both explosive and rider controlled triggering has been observed, predominantly in wind loaded areas. A single, large, cornice triggered natural was reported  (size 3.0) on a north facing slide path in the Bear Pass region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated windslabs up to size 2.0 have been controlled at ridgecrest and loose wet sluffing has been observed below 1200m due to the persistent warm temperatures.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several natural slab avalanches up to size 2.5 continue through the region. These mostly ran within storm snow instabilities on wind loaded aspects. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated windslabs up to size 2.0 have been controlled at ridgecrest and loose wet sluffing has been observed below 1200m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few size 1 slabs have recently been reported running on the January 23rd interface. They ran 30cm deep between 1800m and 1900m on east facing terrain. With forecast weather, I would suspect a spike in new snow instabilities. With the increased load on the January 23rd interface, persistent slab avalanches are likely to increase in size and destructive potential.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">There was evidence of several loose wet slides up to sz 1 on steep solar aspects that occurred with Saturdays heat wave.  Winds kept the temps down on Sunday and as a result no new natural avalanche activity was observed. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new natural avalanche activity has been reported. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">An explosives control mission triggered a slab avalanche size 2.5 on a SE aspect around 2500 m. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new avalanches reported. Aggressive slope testing in the Allen Creek area produced no results on steep wind loaded slopes.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The region has seen a natural avalanche cycle. Natural slabs and cornice falls up to size 3.0 have been reported, predominantly on north-northeasterly terrain. Many loose wet avalanches up to size 2.0 have occurred below treeline, where the recent precipitation fell as rain. Both explosive and rider controlled avalanches have also been observed, predominantly in wind loaded areas. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported. I would suspect a transition from loose wet avalanche activity to storm and wind slab instabilities with forecast snowfall.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Wind slabs also continued to release naturally or were triggered by skiers up to size 2. Region wide, numerous reports of skier triggered slab avalanches up to size 2 were initiated. Most of these avalanches have failed on the January 23 persistent weak layers. These occurred anywhere from 1600 m-2200  m and on a variety of aspects. With forecast storm snow and wind transport these layers may become more reactive naturally under the new loads. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control over the weekend triggered cornice releases to size 2 and slabs to size 2.5. The slabs released in alpine terrain on north to east facing terrain and were up to 100cm deep. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">A more recent size 2 natural cornice release was also reported. It occurred at 2050m on a northeast aspect. When it landed on the slope below it triggered a 20cm deep slab which ran 150m.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches. This will change as the upcoming storm intensifies.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated loose wet sluffs have been reported. The Coquihalla area has seen some glide slabs release on slopes with granite slabs as the ground cover. Avalanche activity will increase as we move into the next storm. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing new in the past 48 hours.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanche activity continues up to size 2, with a glide crack release size 2.5. Natural activity has occurred on most aspects, with sluffing from steep terrain features. Rider triggered avalanches up to size 2 continue to be triggered on the January 26th interface that is buried 40-80 cm below the surface at treeline and below treeline elevations. With forecast storm snow and wind transport these layers may become more reactive naturally under the new loads.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Skier triggered size 1 slab avalanches were reported. These were initiated in the immediate lee of slopes primarily on NE aspects around 2200 m. No new natural activity has been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural slab avalanches up to size 2, and loose avalanches up to size 1.5 continue through the region. Rider triggered slab avalanches up to size 1.5 persist, running on buried surface hoar and crust interfaces on most aspects around 15-2000 m. </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Over the past couple of days a widespread natural avalanche cycle occurred up to size 2.5 mostly on NE-E aspects above 2000 m. A large natural size 3 slab avalanche was also reported from a large uneven south facing slope. the suspected failure plane being the buried crust down 40-80 cm. Several skier triggered avalanches up to size 2 were initiated from a variety of aspects and elevations ranging from 155-2200 m. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We have reports of natural, explosive and rider triggered windslabs up to size 1.5 failing on northwest through east facing terrain These are failing at treeline and in the alpine. As the storm snow deepens, expect the activity (size and frequency) to pick up.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Isolated windslab events have been reported from alpine lee zones.  As the storm snow deepens, expect the avalanche activity to pick up.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The region has seen a natural avalanche cycle. Natural slabs and cornice falls up to size 3.0 have been reported, predominantly on north-northeasterly terrain. Many loose wet avalanches up to size 2.0 have occurred below treeline, where the recent precipitation fell as rain. Both explosive and rider controlled avalanches have also been observed up to size 2.5, predominantly in wind loaded areas. Some areas are reporting reverse loading from changing wind directions and have seen windslab failures in southeast facing terrain features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported. I would suspect a transition from loose wet avalanche activity to storm slab instabilities with forecast snowfall.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle has passed with windslab avalanches at treeline and in the alpine up to size 2.5 and loose wet sluffing at lower elevations.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control over the weekend triggered cornice releases to size 2 and slabs to size 2.5. The slabs released in alpine terrain on north to east facing terrain and were up to 100cm deep. On Sunday a significant (size 2.5?) wind slab avalanche was triggered by some cornice fall on Planetary Ridge. It occurred in alpine terrain on a northeast aspect. The avalanche, which ran full path, had a crown 100cm deep and about 50m wide. It is unclear if these releases were wind slab or persistent slab avalanches.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">I would suspect mostly fresh wind slab activity with weather forecast for Wednesday.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported from the region.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The region has seen a natural avalanche cycle. Natural slabs and cornice falls up to size 3.0 have been reported, predominantly on north-northeasterly terrain. Many loose wet avalanches up to size 2.0 have occurred below treeline, where the recent precipitation fell as rain. Both explosive and rider controlled avalanches have also been observed up to size 2.5, predominantly in wind loaded areas. Some areas are reporting reverse loading from changing wind directions and have seen windslab failures in southeast facing terrain features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No new avalanches have been reported.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">Over the past couple of days a widespread natural avalanche cycle occurred up to size 2.5 mostly on NE-E aspects above 2000 m. A large natural size 3 slab avalanche was also reported from a large uneven south facing slope. the suspected failure plane being the buried crust down 40-80 cm. Several skier triggered avalanches up to size 2 were initiated from a variety of aspects and elevations ranging from 155-2200 m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle has passed with windslab avalanches at treeline and in the alpine up to size 2.5 and loose wet sluffing at lower elevations.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural slab avalanches up to size 2, and loose avalanches up to size 1.5 continue through the region. Rider triggered slab avalanches up to size 1.5 persist, running on buried surface hoar and crust interfaces on most aspects around 15-2000 m.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few small, skier-triggered loose snow avalanches failed within the new snow in steep terrain.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">No other avalanches were reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No recent avalanches have been reported. This may be more a result of limited observations rather than a reflection of actual conditions.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Nothing new in the last several days.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural loose snow sluffing from steep terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We have reports of natural, explosive and rider triggered windslabs up to size 1.5 failing on northwest through east facing terrain These are failing at treeline and in the alpine. Remote and accidental triggering have been observed.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural activity up to size 2.0 has been observed on northeast aspects where the recent storm snow is 25cm or deeper. Be locally aware of how much new snow you are dealing with.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanche activity continues with loose dry and slab avalanches up to size 2. North through NorthEast aspects producing the slab activity, and South generally producing the loose dry avalanches and sluffing from steep terrain features. Rider triggered avalanches up to size 2 continue to be triggered on the early February interface and the January 26th interface that is buried 40-80 cm below the surface.&nbsp; One skier triggered slab avalanche size 2.5 was initiated from a North aspect at 2100 m, failing on the Feb. interface. </span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">No recent avalanches have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Explosives control and ski cutting produced several loose snow avalanches to size 1.5. They mostly occurred in steep start zones on a variety of aspects and elevations. A small cornice chunk was also reported to have fallen at 2100m on a northeast aspect, triggering a size 1 loose snow avalanche on the slope below.</span></p><p class="p_CC664AAA"><span class="s_3FE45715"> </span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">No new obs,</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">We have reports of natural, explosive and rider triggered windslabs up to size 2.5 failing on northwest through east facing terrain. These are failing predominantly at treeline and in the alpine. Remote and accidental triggering have been observed. The south end of the region has seen the larger releases with wider propagation; at times linking terrain around ridge features. These areas have also seen storm slab events on open, convex features below treeline.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural activity up to size 2.0 has been observed on northeast aspects where the recent storm snow is 25cm or deeper. Be locally aware of how much new snow you are dealing with.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">On Wednesday a skier-triggered size 1.5 wind slab was reported to have released on a northwest aspect. It failed on the melt-freeze crust which exists under the recently fallen snow. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Otherwise, no other significant activity has been reported. This may be more a result of limited observations due to weather, rather than a reflection of actual conditions.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Thursday, explosives control in the region produces isolated loose snow avalanches to size 1.5. They occurred on north to northeast aspects in steep alpine terrain.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">With forecast weather, I would suspect a gradual shift from direct action storm snow instabilities to solar induced instabilities.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A few size 1 loose snow avalanches were reported running out of steep headwall features. No other avalanche have been reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">On Wednesday a few small, skier-triggered loose snow avalanches failed within the new snow in steep terrain.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">No other avalanches were reported.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several large natural slab avalanches from large bowls and terrain features occurred up to size 3.5. The failing layers were within the new storm snow stepping down to the Jan. 23rd interface. Numerous rider triggered slab avalanches also occurred up to size 2 on a variety of aspects particulary above 1800 m. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">Heads up out there! Suspect avalanche activity to continue through the forecast period, additional concerns being solar radiation as a natural trigger.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Some natural avalanche activity occurred on Wednesday. One loose dry avalanche size 2.5 initiated from steep East facing terrain above 2000 m and a skier triggered size 1 slab avalanche from a NW aspect around 1900 m.  Earlier this week a large natural size 3 slab avalanche was reported from a large uneven south facing slope, the suspected failure plane being the buried crust down 40-80 cm. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">Heads up out there! I suspect avalanche activity to continue through the forecast period, additional concerns being periods of solar radiation as a natural trigger.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">The region saw a natural avalanche cycle. Natural slabs and cornice falls up to size 3.0 were reported, predominantly on north-northeasterly terrain. Many loose wet avalanches up to size 2.0 have occurred below treeline, where the recent precipitation fell as rain. Both explosive and rider controlled avalanches were observed up to size 2.5, predominantly in wind loaded areas. Some areas reported reverse loading from changing wind directions and have seen windslab failures in southeast facing terrain features.</span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">A natural cycle has passed with windslab avalanches at treeline and in the alpine up to size 2.5 and loose wet sluffing at lower elevations. Isolated rider controlled avalanches up to size 1.0 in wind loaded areas have also been reported. </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanche activity continues with slab avalanches up to size 2.5. Most aspects and elevations above 1400 m are the main performers. Rider triggered avalanches up to size 2 continue to be triggered on the early February interface and the January 26th interface. The persistent slab is touchy and reactive to light loads like skiers and snowmobilers. Heads up out there! Suspect avalanche activity to continue through the forecast period, additional concerns being solar radiation as a natural trigger.  </span></p>
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</style><p class="p_CC664AAA"><span class="s_3FE45715">Several small slab avalanches occurred size 1 from steep, cross-loaded terrain features. A skier triggered size 1.5 slab avalanche occurred from a NE aspect at 2300 m. Natural loose dry sluffing continued from steep unsupported terrain.</span></p>
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">A few isolated loose dry avalanches from steeper terrain.</span></p>