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Avalanche Forecast

Archived

Jan 31st, 2013–Feb 1st, 2013

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

Jasper.

Recent new snow have softened treeline conditions in sheltered areas.  Good skiing can be found.  Ice climbing conditions are great!

Weather Forecast

Scattered flurries with 5 cm possible over Thursday night.  Friday skies will clear and it will be sunny and warm with light to moderate Westerly winds.

Snowpack Summary

Wind slabs in exposed lee features, faceted mid-pack at lower elevations, and poor travel with difficult trail-breaking below treeline. Persistent hard slab and sastrugi widespread above treeline.

Avalanche Summary

No new avalanches were observed or reported today.

Confidence

The weather pattern is stable

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.