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Archived

Avalanche Forecast

Apr 16th, 2013–Apr 17th, 2013
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kananaskis.

Sunny conditions on Wednesday will lead to rising avalanche danger on solar aspects. Time your trip appropriately and be aware of overhead terrain.

Confidence

Fair - Timing or intensity of solar radiation is uncertain

Weather Forecast

Sunny periods are expected Wednesday with winds shifting from the NE to the W. Temperatures at ridgetop will be near -12 and no precipitation is expected.

Avalanche Summary

No new avalanches, but observations were extremely limited.

Snowpack Summary

Trace amounts of new snow overnight. Wind slabs are present in lee and cross-loaded terrain at higher elevations. Isolated pockets of wind slab are also found on S aspects. Previously formed crusts persist.

Avalanche Problems

Loose Wet

Sunny periods Wednesday will lead to a rapid destabilization of the snow on solar aspects. Wet avalanches are expected.
Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet.>Avoid areas with overhead hazard.>

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

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 3

Wind Slabs

Storm slabs up to 60cm thick are present at and above treeline in lee and cross-loaded features. Thin slabs are also found on South aspects due to recent Northerly winds. Carefully evaluate the bond between these slabs and the crusts beneath.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 4