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RegisterDec 15th, 2022–Dec 16th, 2022
Northwest Coastal, Kitimat, Nass, Rupert, Seven Sisters, Shames, Stewart, Howson, Ningunsaw.
With north winds continuing, be aware of the potential for reverse loading and encountering Wind Slabs in places you might not expect them.
Be especially cautious around tree line elevations where the recent snow is more likely to sit on top of a weak layer of preserved surface hoar.
A few small wind slab avalanches were reported in the last 48hrs from the northern part of the region. These avalanches occurred on southeast aspects.
If you head out in the backcountry please support your community by submitting a MIN report!
20 to 50cm of recent snow overlies a layer of surface hoar (buried in early December), sized 5-10 mm. With northwest winds continuing, Wind Slabs have the potential to form on south through southeast aspects and cross-loaded features.
A layer that was buried in mid-November can be found 80 to 120cm deep at treeline and above. This layer consists of a crust below 1200m and a layer of surface hoar above this elevation. This layer has not shown any recent signs of instability.
In the alpine snowpack depths over 2 meters have been reported but the snowpack below treeline is still generally quite shallow.
Thursday night
Some clouds. No new snow. Wind from the northwest up to 40km/h in the alpine. Temperatures in the alpine around -4˚C.
Friday
Partly cloudy. A chance of light flurries. Wind from the west early in the day shifting to north late in the at 15km/h. A high of -2˚C and a low of -7˚C.
Saturday
Mostly cloudy. Up to 5cm of new snow at the warm air collides with the icoming cold air. Wind from the north at 30km/h. Temperatures starting at -7˚C and dropping to -15˚C by the end of the day.
Sunday
Mostly clear. No new snow. Wind from the north at 20km/h. Temperature plunging to -20˚C.
More details can be found in the Mountain Weather Forecast.