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Avalanche Forecast

Archived

Mar 11th, 2022–Mar 12th, 2022

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
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.

Sheltered areas hold great riding conditions.

Low avalanche hazard still means small avalanches may be triggered in isolated areas or extreme terrain.

Avoid overhead exposure to cornices.

Weather Forecast

Saturday:Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Alpine temperature: High -7 °C. Ridge wind west: 15 km/h gusting to 45 km/h.

Sunday:Mainly cloudy with isolated flurries. Precipitation: Trace. Alpine temperature: Low -7 °C, High -4 °C. Mostly light ridge wind occasionally gusting to 40 km/h. Freezing level: 1600 metres

Snowpack Summary

Sheltered areas hold up to 30cm low density snow over top a well settled mid pack. Moderate NW winds adding to cornice growth in the alpine; wind effect tree line and above. A crust down 25-40cm is decomposing and found below 2300m on S aspects. A widespread weak facet layer still lurks at the bottom of the snowpack all areas.

Avalanche Summary

No new natural avalanche activity observed or reported in the last couple days.Local ski resort reported few small wind slab avalanches triggered by large explosives in steep  alpine on Thursday.

Confidence

Timing, track, or intensity of incoming weather system is uncertain

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.