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Archived

Avalanche Forecast

Feb 25th, 2016–Feb 28th, 2016
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
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: Waterton Lakes.

Fast travel will reward those who get out early. Bring ski crampons for the morning and skin wax for the afternoon. JH

Weather Forecast

A trailing warm front spinning off of an Aleutian low pressure center will bring an end to the clear skies and cool weather we have been enjoying. Current models are predicting a warming spike for Friday afternoon, with freezing levels as high as 3300m. Saturday will be cloudy with scattered flurries and freezing levels up to 2200m.

Snowpack Summary

The upper snowpack is now well settled, with a surface crust forming overnight on solar aspects and breaking down with mid-day warming. At treeline and in the alpine a crust down 30-55cm persists as a concern. Widespread below 2200m and extending into the alpine on solar aspects, this was responsible for several large avalanches last week.

Avalanche Summary

A few loose wet avalanches up to size 1.0 were observed on solar aspects below treeline today. Otherwise there has been no new activity since last weekend.

Confidence

Avalanche Problems

Persistent Slabs

Carefully evaluate terrain features by digging and testing on adjacent, safe slopes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 3

Loose Wet

Travel early before the heat of the day, and avoid big slopes in the afternoon.Use caution above cliffs and terrain traps where small avalanches may have severe consequences.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2