Avalanche Forecast

Issued: Feb 24th, 2012 9:20AM

The alpine rating is high, the treeline rating is high, and the below treeline rating is considerable. Known problems include Persistent Slabs and Wind Slabs.

Parks Canada jim phillips, Parks Canada

Intense weather and heavy precipitation is forecast later today and tonight. This will maintain maintain avalanche danger at high levels.

Summary

Problems

Persistent Slabs

An icon showing Persistent Slabs
The surface hoar and sun crust layers from earlier in February are now buried up to 80 to 180cm creating a deep persistent weakness and are VERY reactive to light triggers such as skiers or riders.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Very Likely

Expected Size

1 - 3

Wind Slabs

An icon showing Wind Slabs
Gusty winds have redistributed storm snow into slabs which sit on sun crust and surface hoar layers. These are most prevalent in wind exposed areas.

Aspects: North, North East, East, South East, South.

Elevations: Alpine, Treeline.

Likelihood

Likely - Very Likely

Expected Size

1 - 3

Valid until: Feb 25th, 2012 8:00AM