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Avalanche Forecast

Archived

Mar 25th, 2018–Mar 26th, 2018

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

Regions

Jasper.

More snow has fallen in the Icefields region than to the North recently. Plan your day and manage terrain accordingly.

Weather Forecast

A warm front off the pacific will make it's way inland giving unsettled weather and light snowfall.Monday in the Icefields area will be cloudy with flurries (up to 5cm). Alpine temps low -13C, high -7C. Ridgetop winds will be moderate from the SW.Tuesday will see more snowfall (up to 10cm) with ongoing cool temps and strong SW winds.

Snowpack Summary

15 to 25cm of storm snow fell in the Icefields last week (5-10cm in the Jasper area), all that has been redistributed by gusty west winds, creating extensive wind effect TL and above. Several crusts are now buried on solar aspects (up to 45cm deep in isolated areas) with light, dry snow between the windslab and the upper crust at higher elevations.

Avalanche Summary

No new natural activity has been observed or reported.

Confidence

Intensity of incoming weather systems 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.