Avalanche Forecast

Archived

Feb 6th, 2021–Feb 7th, 2021

Alpine

Natural avalanches possible, human triggered probable.

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

Jasper.

Cold temps should lead to a decrease in avalanche hazard.

Keep in mind that an emergency situation may be amplified by the cold temperatures. Be prepared and watch for frostbite.

Weather Forecast

Partly cloudy skies, light winds and cold temperatures forecasted with daytime high temperatures expected to be around -20C.

Snowpack Summary

Cold temps promoting surface facetting. HST (25-55cm) bonding well to underlying surfaces (facets, surface hoar and wind affected snow depending on location). Wind slabs in the ALP and exposed TL. A well settled mid-pack, except in areas with a shallow snowpack, can be found throughout the forecast region. Variable HS (90-200cm).

Avalanche Summary

No avalanches observed. Poor visibility, unable to see most avalanche paths.

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Confidence

Due to the quality 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.