Avalanche Forecast
Issued: Apr 23rd, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
jsmith,
Avalanche Canada
In localized areas that receive more than 15 cm of new snow, fresh wind slabs may form on lee features in the alpine.
Be alert to conditions that change with aspect and elevation.
Summary
Confidence
Avalanche Summary
Numerous naturally triggered wet loose avalanches up to size 1.5 were reported on sunny aspects on Monday.
Field observations are currently very limited in this region. Please consider sharing your observations to the Mountain Information Network.
Snowpack Summary
New snow and wind may form fresh wind slabs on lee features in the alpine.
A hard melt-freeze crust exists on the snow surface on sun-exposed slopes to the mountain tops. The crust will transition to wet snow with daytime warming and generally re-freeze at night.
Cornices are large and may become weak with daytime warming.
Weather Summary
Tuesday night
Cloudy with flurries, 3 to 15 cm snow. 30 to 40 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 900 m.
Wednesday
Mostly cloudy with isolated flurries, 0 to 10 cm snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.
Thursday
Mix of sun and cloud. 10 to 20 km/h north ridgetop wind. Treeline temperature +2 °C. Freezing level 1600 m.
Friday
Sunny. 10 to 20 km/h southeast ridgetop wind. Treeline temperature +6 °C. Freezing level 2000 m.
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.
- Be alert to conditions that change with aspect and elevation.
- Pay attention to cornices and give them a wide berth when traveling on or below ridges.
- When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
Problems
Wind Slabs
In localized areas that receive more than 15 cm of new snow, fresh wind slabs may form on lee features in the alpine.
Aspects: North, North East, East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 24th, 2024 4:00PM
