Avalanche Forecast
Issued: Dec 21st, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
isnowsell,
Avalanche Canada
If pushing into bigger terrain continue to assess for cohesive, wind slabs on the surface. Recent snow may still need time to bond to the underlying layers.
Summary
Confidence
High
Avalanche Summary
A small slab overlaying a crust was triggered from a short distance away on Tuesday, as reported in this MIN report.
If you head out into the mountains, please share your photos or observations on the Mountain Information Network. Your information helps us understand local conditions!
Snowpack Summary
Roughly 50 cm of low-density snow has fallen since Sunday. The new snow is generally light, loose, and unconsolidated. in sheltered northerly terrain, recent snow has buried a weak layer of surface hoar over a melt-freeze crust.
The mid and lower snowpack generally well settled and bonding.
At treeline the snowpack depth generally is 100 to 170 cm.
Weather Summary
Cold arctic air continues to blanket Southwest BC until Friday when a warm and wet storm begins to move inland.
Wednesday night
Clear. temperatures -10 to -20 C and light to moderate easterly winds in the alpine.
Thursday
Sunny with clouds building in the afternoon, and no precipitation. Temperatures -10 to -20 C and light northeast winds.
Friday
Cloudy with snow, up to 20 cm. Temperatures of 0 to -5 C, and moderate to strong south winds. Freezing levels rise to around 1000 m.
Saturday
Cloudy with rain and wet snow (approximately 40mm). Temperatures above freezing, and strong winds in the alpine. Freezing levels rise to around 2000 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Wind slabs may be poorly bonded to the underlying crust.
- Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
Problems
Wind Slabs
The surface snow remains low density and unconsolidated. This makes it ideal for wind transport. Watch for deep drifts and firm slabs.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 22nd, 2022 4:00PM
