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Archived

Avalanche Forecast

Apr 7th, 2022–Apr 8th, 2022
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
3: Considerable
The avalanche danger rating below treeline will be considerable
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Kananaskis.

New snow is forecast for tomorrow with 5-8cm expected. Important things to consider at this time of year is freezing levels, and quality of freeze overnight as the clouds move in. Rain at lower elevations will deteriorate the stability quickly, especially with a poor freeze. 

Confidence

Moderate - Uncertainty is due to the timing, track, & intensity of the incoming weather system.

Weather Forecast

A return to winter again for Friday with snow forecast to begin around noon. Amounts will only be 5-8cm but what will be important to note will be the freezing level. This snow may fall as rain at lower elevations which will rapidly deteriorate the snowpack so pay close attention. Winds will be out of the SW pushing into the moderate range so pay close attention to what's going on up higher. 

Avalanche Summary

Numerous loose wet slides on solar aspects up to sz 2. 

Snowpack Summary

An average of 20cm of recent storm snow is found at Treeline, which remains dry and low density on polar aspects, and turning moist, crusty and rugged on solar aspects up to the alpine. The recent snow appears well bonded to the layers below, but isolated pockets of wind slab are found in the Alpine. Watch for new windslabs developing in the alpine with the incoming snow and if rain falls at lower elevations, stability will be poor. 

Terrain and Travel

  • Pay attention to isolated alpine features as well as cross-loaded features at treeline.
  • Be alert to conditions that change with elevation and wind exposure.
  • Rain or periods of intense solar radiation can rapidly enhance the effects of warming.

Avalanche Problems

Loose Wet

Watch the freezing level closely, if the forecast precip falls as rain at lower elevations loose wet avalanches will be a problem

Aspects: All aspects.

Elevations: Below Treeline.

Likelihood: Possible

Expected Size: 1.5 - 2.5

Wind Slabs

New snow and forecasted winds may create new windslabs in upper elevations and isolated areas at treeline. Watch where this new snow is overlying the recent crusts. 

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2