Avalanche Forecast
Issued: Mar 8th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Cornices.
jsmith,
Avalanche Canada
Lingering wind slabs may remain reactive to human triggers on a variety of aspects in the alpine.
Avoid travelling on slopes below cornices.
Summary
Confidence
High
Avalanche Summary
No new avalanches were reported in this region on Tuesday.
Snowpack Summary
Cornices are large and may fail with daytime heating.
Sun crust on sunny aspects. Recent southeasterly winds formed wind slabs on a variety of aspects at treeline and above.
These slabs are sitting on a crust that may have small facets associated with it in isolated locations.
The mid and lower snowpack is well-settled and strong.
Check out a recent North Shore Snowpack Update for a visual description of what the snowpack may look like in this region.
Weather Summary
Wednesday Night
Partly cloudy / Light southeast ridgetop wind / Low temperature at treeline -2 C / Freezing level 600 m.
Thursday
Mix of sun and cloud / Light southeast ridgetop wind / High temperature at treeline 5 C / Freezing level 1200 m.
Friday
Increasing cloudiness / Light southeast ridgetop wind / High temperature at treeline 3 C / Freezing level 700 m.
Saturday
Cloudy with flurries; 5-10 cm / Moderate southwest ridgetop wind / High temperature at treeline 3 C / Freezing level 800 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
- Avoid travelling on slopes below cornices.
- Be alert to conditions that change with elevation and sun exposure.
Problems
Wind Slabs
Lingering wind slabs may remain reactive on a variety of aspects in the alpine.
Aspects: North, North East, East, South West, West, North West.
Elevations: Alpine.
Likelihood
Expected Size
Cornices
Cornices are large and may fail with daytime heating. Cornice failures act as heavy triggers and can trigger large avalanches on slopes that a single rider would not trigger.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Mar 9th, 2023 4:00PM
