Avalanche Forecast

Issued: Oct 21st, 2017 4:00PM

The alpine rating is below threshold, the treeline rating is below threshold, and the below treeline rating is below threshold.

stephen holeczi, Parks Canada

Banff Yoho Kootenay.

Its winter up high with 50-100cm. If heading into the alpine, make the mental shift to thinking about avalanches and the types of terrain that could pose problems. This is especially true for ice climbers in or under steep gullies. SH

Summary

Weather Forecast

Another 20-30cm in the alpine is possible starting Saturday night through to Monday and another pulse on Wednesday.Â Temperatures be warmer on Monday and Tuesday (warmest in the front ranges) with clearer weather.

Snowpack Summary

Some recent storms have deposited the base of the snowpack which is 50-100cm deep in the high alpine, with lesser amounts below down to the snowline at 2000m. The most recent one this week deposited 40-60cm up high, with pockets of wind slab and fragile cornices starting to appear on high leeward slopes from previous strong to extreme SW winds

Avalanche Summary

Sluffs to size 2 in steep gullies in the alpine have been noted with very limited observations.

Confidence

Valid until: Oct 22nd, 2017 4:00PM