Avalanche Forecast

Issued: Apr 29th, 2013 3:00PM

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

Alberta Parks burke.duncan, Alberta Parks

Periods of relatively heavy snowfall on Monday with more expected Tuesday.  Add in strong winds and mild temperatures and thin storm slabs are quick to develop in higher terrain.  Bulletins will be issued intermittently for the rest of the season.

Summary

Confidence

Fair - Forecast snowfall amounts are uncertain on Tuesday

Weather Forecast

Avalanche Summary

No new observed or reported.- sky conditions obscured.

Snowpack Summary

Several cm's new snow and strong westerly winds quick to form thin new storm slabs.

Problems

Storm Slabs

An icon showing Storm Slabs
Avoid areas with overhead hazard.>Avoid cross loaded features.>

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 3

Wind Slabs

An icon showing Wind Slabs
Wind slabs are found in Alpine areas on lee and cross-loaded features. In most areas these slabs sit on a crust. Take the time to evaluate the bond of the wind slabs to the crusts below.
Be cautious as you transition into wind affected terrain.>

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 4

Loose Wet

An icon showing Loose Wet
Solar aspects are susceptible to increasing avalanche danger each day as solar radiation affect the snowpack. Plan your day to avoid exposure to large sunny slopes in the afternoons.
Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet.>Make your travel plans to take advantage of overnight freezing.>

Aspects: North, North East, East.

Elevations: All elevations.

Likelihood

Unlikely - Possible

Expected Size

1 - 3

Valid until: Apr 30th, 2013 2:00PM