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Avalanche Forecast

Archived

Apr 10th, 2022–Apr 11th, 2022

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Little Yoho.

Be on the lookout for new windslabs at ridge top and in lee features. Winter is making a return with this ridge of high pressure so be ready for those colder temperatures.

We expect a "Cold and Snowy scenario" into the middle of the week at least.

Weather Forecast

A ridge of high pressure dominates the weather over the rockies in the foreseeable future, expect cold temperatures and small flurries in the next few days.

Snowpack Summary

Up to 20 cm of new snow fell with Friday's storm as temperatures dropped after a significant warm up. 10-30 cm of soft, dry snow sits on a firm crust on N aspects. On solar aspects a series of crusts exist in the snowpack at all elevations.

Avalanche Summary

Small wind slabs were found at Lake Louise and Sunshine on Saturday. Stubborn wind slabs were found in the Bow Summit area on Sunday. These wind slabs are small in magnitude at treeline, suspect in the Alpine they will be larger at immediate lees and ridge tops, be cautious in these areas.

Confidence

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.