Avalanche Forecast

Issued: Apr 28th, 2012 4:00PM

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

Parks Canada a.l. horton, Parks Canada

The melt freeze crust may be weaker at lower elevations on Sunday due to mild overnight temperatures.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain on Sunday

Problems

Loose Wet

An icon showing Loose Wet
Spring conditions exist with a strong melt freeze crust that will deteriorate rapidly with warm sunny conditions. Expect loose snow avalanches to size 2 below treeline on steeper slopes by mid-day.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Deep Persistent Slabs

An icon showing Deep Persistent Slabs
Large triggers such as cornice failure or serac fall can trigger very large avalanches. Recently, ice fall released a large slab avalanche on a steep north facing glacial slope on Mt Andromeda.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood

Possible

Expected Size

2 - 4

Valid until: Apr 29th, 2012 4:00PM