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Avalanche Forecast

Archived

Feb 7th, 2022–Feb 10th, 2022

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

Regions

Waterton Lakes.

Warm temps and wind are eroding snow and waterfall ice near town. Good skiing is still available near Cameron Lake area.

South facing ice climbs on Crandell are rapidly deteriorating.

Weather Forecast

Tues: Cloudy, with strong ridge top winds switching to NW. Alpine temps -4. FL valley bottom

Wed: Cloudy, with clearing near noon and trace precip overnight. Alpine temps +2 with moderate to strong wind. FL 1500m

Thursday: Clear with a alpine high of +3. Ridge top winds S-X and switching back to west. FL 1500m

Snowpack Summary

Warm temps and X-westerly wind has built 20- 40 cm windslabs in lees. Moist snow to approximately 1800m This overlies Jan 18 crust extending all aspects up to 2000m, and higher on solar aspects. Well settled midpack, with facets above Dec 4 crust, buried 150-200 cm, above Nov layers.

Avalanche Summary

No new avalanches observed. Please post any avalanche observations on the Mountain Information Network, we really appreciate any observations.

Confidence

Due to the number of field observations

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.