Avalanche Forecast

Issued: Jan 21st, 2013 5:40PM

The alpine rating is considerable, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs.

snow safety, Parks Canada

Banff Yoho Kootenay.

Summary

Weather Forecast

Continued warm and dry for Tuesday. Cooling trend and light snowfall forecasted for Wednesday.

Snowpack Summary

Touchy windslabs that are reactive to human triggering exist in the alpine. Warm day time temperatures may cause these slabs to become more reactive. Extra caution on sunny slopes in the afternoon is warranted.

Avalanche Summary

Class 2 wind slab on north aspect at 2400 m near Bow Summit was triggered by skiers on Monday. A class 1.5 skier triggered wind slabÂ (north aspect, 2300m) on Observation peak in past 248 hours.

Confidence

Due to the number and quality of field observations

Problems

Wind Slabs

Touchy wind slabs that are reactive to human triggering exist in the alpine. See avalanche discussion.

Be cautious as you transition into wind affected terrain.Be aware of the potential for wide propagations due to the presence of hard windslabs.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 2

Valid until: Jan 22nd, 2013 4:00PM