Avalanche Forecast
Issued: Feb 26th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Lynnea Baker,
Extreme NW and SW winds have are cross loading slopes and creating hard windslab in lees.
Summary
Weather Forecast
Sunday: Cloudy with scattered flurries. Strong SW winds at ridgetop. Alpine high -5. Freezing levels 1200m.
Monday: Cloudy with flurries, amounting to 15 cm. Strong SW ridgetop winds. Alpine high -1. Freezing levels 1800m.
Tuesday: Cloudy with flurries, amounting to 10 cm. Moderate SW winds gusting extreme. Alpine high -1. Freezing levels 1900m.
Snowpack Summary
Strong to extreme winds have formed hard windslabs 10-30cm deep. This overlies pressed surfaces and old hard windslab 10-30 cm deep, or Feb crust. Feb 15 crust is 1 cm thick and exists to tree line all aspects and higher on solar aspects. Well settled midpack. Facets above Dec 4 crust, beginning to break down, buried 150-200 cm.
Avalanche Summary
A few natural wind slab avalanches have been reported in the park up to sz 2 this week. Thanks for the great observations on the Mountain Information Network, we love seeing your adventures.
Confidence
Intensity of incoming weather systems is uncertain
Problems
Wind Slabs
Winds of variable direction have formed slabs in both standard and reverse loaded lees.
- Avoid steep lee and cross-loaded slopes
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 1st, 2022 4:00PM
