Avalanche Forecast
Issued: Dec 22nd, 2022 4:00PM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeA shift to warm and stormy conditions begins. Look for isolated pockets of wind slabs before committing to steep terrain.
Summary
Confidence
High
Avalanche Summary
We haven't received any notable avalanche reports during this cold spell. Looking forward, avalanche activity could start to increase on the weekend once we see more snow, wind, and warmer air.
Please continue to share any observations or photos on the Mountain Information Network.
Snowpack Summary
Southwest wind and light amounts of new snow could form isolated pockets of wind slab in steep, lee terrain features. Wind affected snow covers the snowpack in exposed alpine and treeline terrain, with soft snow found in sheltered areas. The snowpack is still fairly thin and faceted, with roughly 120 cm at treeline.
Weather Summary
Thursday Night
Increasing clouds with no precipitation, 20 km/h south wind, treeline temperature -20 °C.
Friday
Cloudy with snowfall, accumulation 5 cm, 20 to 40 km/h southwest wind, treeline temperatures -17 °C.
SaturdayCloudy with snowfall, accumulation 5 to 15 cm, 30 to 60 km/h southwest wind, treeline temperatures -7 °C.
SundayCloudy with snowfall, accumulation 5 to 15 cm, 40 km/h southwest wind, treeline temperatures -6 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
- Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
Problems
Wind Slabs
Strong wind may form pockets of wind slabs in lee terrain features.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 23rd, 2022 4:00PM