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</style><p class="p_CC664AAA"><span class="s_3FE45715">25-50 cm of storm snow fell between Sunday and Tuesday night. Temperatures reached -2 C at treeline in the south of the region (and +2 C near Barkerville) on Monday afternoon. The new snow sits on an unstable snowpack with three active weak layers we are monitoring:</span></p><p class="p_CC664AAA"><span class="s_3FE45715">1) Down about 40-80 cm is a crust and/or surface hoar layer that was buried in mid-January. The surface hoar is up to 10 mm in size, found at all elevation bands and has been very reactive on north through east aspects between 1900-2600 m. </span></p><p class="p_CC664AAA"><span class="s_3FE45715">2) Deeper in the snowpack, the early-January persistent weak layer is found 50 to 100 cm below the surface. This layer has been reported as the most active persistent weak layer during a recent natural avalanche cycle that took place in the region. It has also been the most reactive to recent explosives control.</span></p><p class="p_CC664AAA"><span class="s_3FE45715">3) Another weak layer buried mid-December consisting of a facet/surface hoar/crust combination is buried 100 to 150 cm deep. It has been most problematic at and below tree line. Many avalanches that failed at shallower weak layers 'stepped down' to this interface during the recent avalanche cycle and in recent explosives control.</span></p><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.avalanche.ca/mountain-information-network/submissions/ee9d5ef2-3539-4eb4-8d5a-8c9c15691c24" target="_blank"><span class="s_B5813F7D">See here for some recent snowpack test results</span></a><span class="s_3FE45715">.</span></p>