Avalanche Forecast
Issued: Nov 22nd, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Avalanche Canada,
Avalanche Canada
Use caution in steep terrain; avalanches are still possible on wind-loaded slopes.
Summary
Confidence
Moderate
Avalanche Summary
Some small avalanches were observed Thursday in steep alpine terrain near White Pass. Check this MIN post for further details.
Early season reports have been extremely limited. Please consider helping forecasters and your backcountry community by submitting your observations to the Mountain Information Network.
Snowpack Summary
Strong northeast winds have moved and changed the surface snow at all elevations. Expect to find hard wind slabs on leeward south and westerly slopes.
The lower snowpack is generally strong, with the potential for various crusts at the base.
Snow depths are highly variable across the region with approximately 50 cm around treeline, and up to 100 cm in wind-loaded locations in the alpine.
Weather Summary
Friday Night
Mostly cloudy. 30 km/h ridgetop northeast wind. Treeline temperature -15 °C.
Saturday
Mostly sunny. 30 to 40 km/h northeast ridgetop wind. Treeline temperature -15 °C with temperature inversion of -10 °C at 1500 m.
Sunday
Mostly sunny. 10 km/h northest ridgetop wind. Treeline temperature -13 °C with temperature inversion of -5 °C at 1800 m.
Monday
A mix of sun and cloud. 25 to 40 km/h southwest wind. Treeline temperature high -10 °C
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Use ridges or ribs to avoid areas of wind-loaded snow.
- Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for slabs before you commit to it.
- Seek out sheltered terrain where new snow hasn't been affected by wind.
Problems
Wind Slabs
Previous strong northeasterly winds built slabs in leeward features. These slabs may still be possible to trigger. It's a good idea to investigate before entering committing terrain.
Aspects: South, South West, West, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Nov 23rd, 2024 4:00PM
