Avalanche Forecast

Issued: Apr 26th, 2014 4:00PM

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

snow safety, Parks Canada

Banff Yoho Kootenay.

Summary

Weather Forecast

Continued cool temps and occasional snow showers tomorrow. Temperatures are forecast to rise dramatically by midweek.

Snowpack Summary

Potentially 5 cm in the higher elevations overnight.Â 10 - 15 cm of new snow in the alpine. Temps expected to remain seasonally cold with light winds. A supportive crust exists on all aspects at approx. From 1900m into the alpine on solar aspects. Isolated windslabs were reported in the high alpine (3000m) near ridges.

Avalanche Summary

No new avalanches were observed or reported today.

Confidence

Problems

Wind Slabs

Possible small pockets poorly boded to older surface in steep locations.

Avoid freshly wind loaded features.

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

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Deep Persistent Slabs

Weak basal facets are generally well bridged. However, at isolated shallower locations a large deep slab may be triggered.

Be aware of the potential for large, deep avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely

Expected Size

3 - 4

Valid until: Apr 27th, 2014 4:00PM