Avalanche Forecast
Issued: Apr 4th, 2018 3:35PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
pgoddard,
Avalanche Canada
Winter continues. Snow forecast for Thursday is expected to create storm slabs at upper elevations.
Summary
Confidence
Moderate - Intensity of incoming weather systems is uncertain
Weather Forecast
THURSDAY: Rain to about 1300 m, with up to 25 cm wet snow falling at higher elevations. Moderate to strong southerly winds. Freezing level near 1500 m.FRIDAY: Light snow. Light southerly winds. Freezing level near 1500 m.SATURDAY: Light to moderate snow, falling as rain below treeline. Light winds. Freezing level rising to 1750 m.Weather models disagree on the amount of precipitation expected this week.
Avalanche Summary
No new avalanches have been reported.
Snowpack Summary
Alpine areas around Squamish are expected to develop new storm slabs on Thursday. New snow will add to recent snow which overlies variable surfaces including crusts and facets. Little is known about these buried weak layers, but they are more likely to be problematic on shady aspects. The mid and lower snowpack are generally strong.At treeline and below, a strong spring snowpack exists. Rain may break down surface crusts on Thursday, but the snowpack is expected to regain strength once the temperature drops again.
Problems
Storm Slabs
Snow and wind are expected to build slabs which could be triggered with the weight of a person.
Minimize exposure during periods of heavy loading from new snow, wind or rain.Use conservative route selection: choose moderate angled and supported terrain with low consequence.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Apr 5th, 2018 2:00PM
