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Avalanche Forecast

Archived

Apr 16th, 2013–Apr 17th, 2013

Alpine
Natural avalanches unlikely.
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

Little Yoho.

Weather Forecast

Another nice day with cool temps and light winds is forecast for Wednesday. Thursday and Friday will be mixed sun and cloud with scattered flurries. Freezing levels rising to 2000 m on Thursday.

Snowpack Summary

In the alpine last weeks storm snow is settling and bonding to crusts on solar aspects and to faceted snow on north and east aspects. Isolated thin wind slabs can be expected in the high alpine. Temperatures stayed cool today and the crusts below tree-line stayed supportive well into the afternoon.

Avalanche Summary

No avalanches have been observed or reported in the past three days.

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.