Avalanche Forecast

Issued: Mar 8th, 2022 4:00PM

The alpine rating is moderate, the treeline rating is low, and the below treeline rating is low. Known problems include Wind Slabs.

Marcus Waring,

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Wind slabs have not developed as quickly as anticipated but isolated pockets of wind slab are still a concern.

Cornices have grown large and deserve a wide safety margin.

Summary

Weather Forecast

Wed: Sunny with cloudy periods. No precipitation. Alpine high -15 C. Wind NW 10-25 km/h

Thursday: Mix of sun and cloud. No precipitation. Alpine high -12. Wind light gusting to 35km/h

Friday: Mainly cloudy with isolated flurries. Trace precipitation. Wind SW 20-40km/h.

Snowpack Summary

Moderate NW wind is redistributing surface snow & forming fresh wind slab in exposed alpine terrain. A crust down 25-40cm is decomposing but can still be found below 2300m on south aspects. A widespread weak facet layer still lurks at the bottom of the snowpack in all areas

Avalanche Summary

A natural size 2 wind slab was reported on the West aspect of Mt.Wilson. Estimated date March 6-7.

A natural size 2 cornice failure was reported on Mt. Wilcox. Estimated date March 7.

Confidence

Problems

Wind Slabs

An icon showing Wind Slabs

Be on the lookout for reverse loading due to Northerly wind. Wind slabs may be forming in abnormal locations.

  • Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: All aspects.

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Mar 9th, 2022 4:00PM

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