Avalanche Forecast
Issued: Apr 4th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
rgoddard,
Avalanche Canada
Continue to make good terrain travel choices.
Later in the day Wednesday, increased winds will start to transport snow and may create fresh wind slabs.
Summary
Confidence
Moderate
Avalanche Summary
Recent avalanche activity has been limited to small (size 1) loose dry avalanches out of steep northerly aspects.
Snowpack Summary
Southerly winds will begin to transport whatever remaining snow is out there on southern aspects and possibly build new wind slabs. Polar aspects at higher elevations and areas that are shaded may still hold up to 30 cm of low-density snow. Below 1600 m and on most solar aspects a crust can likely be found in many places. New snow bonding to this crust should be suspect and investigation is required.
The middle and lower portions of the snowpack are strong and well-bonded.
Weather Summary
Tuesday Night
Mostly cloudy, no accumulation, winds southerly 15 to 30 km/h, freezing levels reaching 600 m.
Wednesday
Mostly cloudy, up to 5 cm accumulation starting in the afternoon, winds south 40 to 50 km/h, freezing levels reaching 1100 m.
Thursday
Cloudy, 20 to 30 cm accumulation starting Wednesday evening, winds south 45 to 55 km/h, freezing levels to 1300 m.
Friday
Cloudy, up to 20 cm accumulation overnight and tapering off in the morning, winds southwest 25 to 25 km/h gusting to 75, freezing level 900 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Carefully evaluate steep lines for wind slabs.
- Make observations and assess conditions continually as you travel.
- Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
Problems
Wind Slabs
In certain areas where trees and terrain features have sheltered the recent snow from the effects of the sun. This snow may be transported by increasing southerly winds. If the wind shifts, expect to see even more wind slab formation.
Aspects: North, North East, East, South East, West, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 5th, 2023 4:00PM
