Avalanche Forecast

Issued: Dec 11th, 2011 4:00PM

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

Parks Canada aaron beardmore, Parks Canada

Little snow and light wind (NW) over the next few days will not affect the danger rating. No new avalanches observed or reported today. Previous high winds contributed to marginal ski conditions in the alpine.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable

Problems

Deep Persistent Slabs

An icon showing Deep Persistent Slabs
The weak base of depth hoar and facets is now less sensitive to human triggering. We have now entered a period of "low likelihood - high consequence". Shallow and faceted areas are likely trigger points.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

2 - 4

Valid until: Dec 12th, 2011 4:00PM

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