Avalanche Forecast
Issued: Mar 24th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
jsmith,
Avalanche Canada
Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
Summary
Confidence
High
Avalanche Summary
Numerous rider triggered size 1 wind slab avalanches were reported on northerly aspects in the alpine around the Sky Pilot zone on Thursday.
If you head out in the backcountry, let us know what you are seeing by submitting a report to the Mountain Information Network.
Snowpack Summary
10-20 cm of new snow Thursday night and light southwest wind.
Below the recent snow is a melt-freeze crust, existing on all aspects at treeline and below. The crust extends to mountain tops on sunny aspects. In north facing high alpine terrain the surface snow may have remained cold and dry.
The mid and lower snowpack are generally well settled and strong.
Weather Summary
Friday Night
Mostly cloudy with isolated flurries; 0-5 cm / 20 km/h west ridgetop wind / Low temperature at treeline around 0 C / Freezing level 500 m
Saturday
Mostly cloudy with flurries; 3-15 cm / 10 km/h west ridgetop wind / High temperature at treeline around -3 C / Freezing level 700 m
Sunday
Mix of sun and cloud / 10 km/h southeast ridgetop wind / High temperature at treeline around -2 C / Freezing level 800 m
Monday
Sunny / 20 km/h east ridgetop wind / High temperature at treeline around 2 C / Freezing level 1500 m
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
- Carefully evaluate steep lines for wind slabs.
- Avoid exposure to slopes that have cornices overhead.
- When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
Problems
Wind Slabs
10-20 cm of new snow and southwesterly wind may have formed small wind slabs on lee aspects in the alpine.
Aspects: North, North East, East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Mar 25th, 2023 4:00PM
