Issued: Apr 12th, 2023 4:00PM
The alpine rating is Wind Slabs., the treeline rating is , and the below treeline rating is Known problems include
Continually assess conditions as you move through terrain. Rider triggerable wind slabs will still be found on lee and cross loaded features.
NWe recently recieved a report of deep slab avalanches that released during the atmospheric river event over the weekend.
No recent avalanches have been reported but observations are becoming increasingly limited.
Below 1000 meters, a thick crust exists on or near the surface. Above this elevation, 20-50 cm of dry snow has accumulated above a melt-freeze crust that extends to mountain tops. This previous storm snow has been blown into wind slab on west through east aspects. Below this is a well settled snowpack.
Increasing cloud with the possibility of light flurries bringing trace amounts of new snow. Light westerly winds and freezing levels falling to 800 m.
Mostly cloudy with the possibility of flurries bringing trace amounts of new snow. Light southwest winds and a high of -2°C at 1200 m.
Mostly sunny with the possibility of light flurries bringing trace amounts of new snow. Light southerly winds and a high of -2°C at 1200 m.
Stormy with up to 20 cm of new snow expected. Moderate to strong southerly winds and freezing levels rising to 1300 m with the snowline around 1000 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Be especially cautious as you transition into wind affected terrain.
- Use ridges or ribs to avoid areas of wind loaded snow.
- Be alert to conditions that change with aspect and elevation.
- Minimize your exposure time below cornices.
Rider triggerable wind slab can likely be found at treeline and above on lee and cross loaded features.
Aspects: North, North East, East, West, North West.
Elevations: Alpine, Treeline.
Valid until: Apr 13th, 2023 4:00PM