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Archived

Avalanche Forecast

Apr 19th, 2016–Apr 20th, 2016
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Banff Yoho Kootenay.

High freezing levels and poor overnight recovery are expected until Thursday.

Weather Forecast

Freezing level will climb to 3800m and remain there until Thursday based on our weather models. Weather stations showing above freezing temperatures at 2900m.

Snowpack Summary

The snowpack is enduring repeated freeze/thaw cycles. Avalanche danger predominantly relates to temperature under these conditions (spring).

Avalanche Summary

No avalanches observed or reported today however it is likely that afternoon loose/wet avalanches are a daily occurrence.

Confidence

Avalanche Problems

Loose Wet

All avalanche terrain should be avoided later in the day when the crust on top of the snowpack breaks down due to daytime heating. There will be little overnight recovery until Thursday!
Travel early on frozen crusts before the heat of the day.Watch for clues, like sluffing off of cliffs, that the snowpack is warming up.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Very Likely

Expected Size: 1 - 2

Wet Slabs

Wet slabs will be a major concern with the forecasted high freezing levels and poor overnight recovery. If it is not a significantly frozen snowpack in the morning make other plans.
Travel early before the heat of the day, and avoid big slopes in the afternoon.If triggered the loose wet sluffs may step down to deeper layers resulting in large avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 2 - 3