Avalanche Forecast

Archived

Feb 5th, 2021–Feb 6th, 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.

Excellent skiing can be found at tree line and below. Be cautious of newly formed wind slabs in the alpine and exposed tree line features.

Weather Forecast

Light to moderate NW winds overnight. Cloudy with a few flurries (4cm) and light ridge top winds on on Saturday. Partly cloudy, light north winds and dropping temperatures ( low of -27C) on Sunday.

Snowpack Summary

Recent HST (40-60cm) is forming wind slabs in the alpine and exposed tree line. This new snow overlies previous surface facetting, surface hoar and wind affected snow depending on the location. A well settled mid-pack, except in areas with a shallow snowpack, can be found throughout the forecast region. Variable HS (90-200cm) throughout the area.

Avalanche Summary

No new avalanches observed today, but no road patrol to the south area of the park.

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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.