Avalanche Forecast
Issued: Apr 5th, 2023 4:00PM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeWatch for wind slab formation in exposed alpine terrain with increased winds starting Thursday.
Summary
Confidence
High
Avalanche Summary
Several solar-triggered, wet loose avalanches up to size 1 were reported on Tuesday in steep, south-facing terrain.
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
Dry, powder snow remains on shaded (northerly) slopes. While moist snow or thin crusts exist on solar slopes and all aspects below ~1700 m.
The mid-snowpack is generally well-settled.
The lower snowpack includes a layer of weak sugary crystals near the ground. This layer has not produced recent avalanche activity in this area, but professionals continue to monitor for signs of it becoming active.
Weather Summary
Wednesday night
Mostly clear. Moderate southwest ridgetop wind. Alpine temperatures 0 to -5 C. Freezing level at valley bottom.
Thursday
Mix of sun and cloud. Moderate southwest ridgetop wind. Alpine temperatures 0 to -5 C. Freezing level 2000 m.
Friday
Mostly cloudy with isolated flurries and trace accumulation. Moderate southwest ridgetop winds. Alpine temperatures 0 to -5 C. Freezing level 2200 m.
Saturday
Cloudy with isolated flurries and trace accumulation. Moderate to strong southwest ridgetop winds. Alpine temperatures 0 to -5 C. Freezing level 1800 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Pay attention to the wind, once it starts to blow fresh sensitive wind slabs are likely to form.
- Make observations and assess conditions continually as you travel.
Problems
Wind Slabs
Alpine winds will increase on Thursday. Expect wind slabs to form in any terrain that a surface crust does not exist.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 6th, 2023 4:00PM