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Archived

Avalanche Forecast

Mar 26th, 2015–Mar 27th, 2015
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
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Little Yoho.

Pay attention to the freezing levels on Friday. Some forecast are suggesting freezing levels as high as 2600 m. If sun comes out conditions will deteriorate rapidly.

Weather Forecast

The freezing levels are forecast to rise to 2600 m on Friday before dropping back down on the weekend. Isolated wet flurries expected on Friday.

Snowpack Summary

20-30 cm of recent storm snow at upper elevations is starting to form soft wind slabs on lee terrain in the alpine. These wind slabs overlay a variety of hard surfaces, particulary on south aspects. The mid pack and base of the snowpack are well settled and well bonded overall.

Avalanche Summary

No avalanches observed or reported in this area today. See report of skier triggered avalanche in Banff/Yoho/Kootenay Region.

Confidence

Freezing levels are uncertain on Friday

Avalanche Problems

Wind Slabs

Windslabs continue to develop today and are still sensitive to human triggering on lee features at treeline and above. Cornices will also be a concern with the new snow and wind.

  • Use caution in lee areas. Recent wind loading have created wind slabs.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Loose Wet

Rising freezing levels on Friday may create a loose wet avalanche problem at lower elevations.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Possible - Likely

Expected Size: 1 - 2