Avalanche Forecast
Issued: Feb 19th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
Lynnea Baker,
Weather models are inconsistent with forecasted snow amounts for this weekends storm. If snowfall amounts are higher than 30 cm hazard could be higher at all elevations. Investigate surfaces slabs thoroughly.
Summary
Weather Forecast
Tonight: Flurries, accumulation 7 cm. Light gusting to strong SW winds. Low -7.
Sun: Flurries, accumulation 6 cm. Light NE ridge top winds. Alpine temps high -11.
Mon: Cloudy with sunny periods and isolated flurries. Moderate NE winds. Alpine temps high -23, low -28.
Tues: Cloudy with sunny periods. Light NE winds. Alpine temps high -26, low -30.
Snowpack Summary
10-20 cm of snow is forecasted for Sat night through Sun. This will overlie pressed surfaces and hard windslabs from extreme SW winds. A melt freeze crust up to 2000m and higher on solar aspects is found 30-50 cm down, no failures in test on this layer. Well settled midpack. Dec 4 crust, buried 150-200 cm.
Avalanche Summary
No recent avalanches observed. If you go out on an adventure be sure to share your experience and snowpack information on the Mountain Information Network, we really appreciate any observations.
Confidence
Problems
Storm Slabs
10-20 cm of snow with strong winds tapering off through the storm will create reactive storm slabs atop hard pressed surfaces. Evaluate storm slabs continuously as they build throughout Sunday.
- Use caution in lee areas. Recent snowfall mixed with wind loading has created storm slabs.
- Watch for fresh storm slabs on exposed lee slopes at all elevations.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 22nd, 2022 4:00PM
