Avalanche Forecast
Issued: Dec 28th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
trettie,
Avalanche Canada
Make conservative decisions and give new storm snow time to heal and bond to the underlying crust.
Summary
Confidence
Moderate
Avalanche Summary
Wet loose avalanche activity has likely ended. As fresh snow and wind arrive on Wednesday night, new and likely rider triggerable wind slabs will form over the new crust.
Snowpack Summary
The upper snowpack up to 1400m is moist and saturated from the recent rain. between 1400m and 1600m the moist surface has formed a crust with 10cm of new dry snow above it.
As the freezing level drops this new crust will likely extend down to or below 1000m. at treeline and above new wind and storm slabs will form as the next storm arrives.
Once again terrain below treeline has limited or no coverage.
Weather Summary
Wednesday Night
Mainly cloudy with flurries bringing 15cm of new snow. Light southeast winds. Freezing levels around 800m .
Thursday
Stormy with 25mm of new precipitation . Moderate south winds and Freezing levels rising to 1300m.
Friday
Stormy with up to 45mm of new precipitation expected. Moderate to strong southwest winds and freezing levels rising to 1500m.
Saturday
Cloudy with light flurries bringing around 5mm of new precipitation. Light west winds and freezing level rising to 1200m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for fresh storm slabs building throughout the day.
- Make observations and assess conditions continually as you travel.
- Be alert to conditions that change with aspect and elevation.
- Closely monitor how the new snow is bonding to the crust.
Problems
Storm Slabs
New snow and wind will form storm slabs throughout the day. The largest and most reactive slabs will likely be found on north and east aspects. Avalanches could be larger than expected due to the crust slabs will form over.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Dec 29th, 2022 4:00PM
