Avalanche Forecast
Issued: Mar 6th, 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
Wind slabs may remain reactive on a variety of aspects at treeline and above.
Sheltered terrain at lower elevations will likely offer the best and safest riding.
Summary
Confidence
High
Avalanche Summary
Explosive avalanche control work near Whistler produced size 1 wind slab avalanches at treeline and above on a variety of aspects on Sunday.
Snowpack Summary
30-60 cm of snow last week and shifting strong winds formed wind slabs on a variety of aspects at treeline and above. These slabs are sitting on either hard surfaces or small facets.
A couple crusts with facets sitting above them can be found at treeline and above down 60-180 cm.
The remainder of the mid and lower snowpack is well-settled, strong, and consolidated.
Weather Summary
Monday Night
Mostly cloudy with very isolated flurries; 0-3 cm / Light southeast ridgetop wind / Low temperature at treeline -9 C / Freezing level valley bottom
Tuesday
Cloudy with flurries; 3-5 cm / Light south ridgetop wind / High temperature at treeline -3 C / Freezing level 1000 m.
Wednesday
Mix of sun and cloud / Light southeast ridgetop wind / High temperature at treeline -2 C / Freezing level 1200 m.
Thursday
Mix of sun and cloud / Light southeast ridgetop wind / High temperature at treeline -2 C / Freezing level 1200 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.
- Recent wind has varied in direction so watch for wind slabs on all aspects.
- Avoid steep, rocky, and wind effected areas where triggering slabs is more likely.
- Seek out wind sheltered terrain below treeline where you can avoid wind slabs and find great riding.
- Avoid travelling on slopes below cornices.
Problems
Wind Slabs
Wind slabs may remain reactive on a variety of aspects at treeline and above.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 7th, 2023 4:00PM
