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Avalanche Forecast

Archived

Feb 24th, 2015–Feb 25th, 2015

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.
Below Treeline
Natural avalanches unlikely.

Regions

Sea To Sky.

Generally safe avalanche conditions. Watch out for unstable snow on isolated terrain features.

Confidence

Good

Weather Forecast

Increasing snowfall intensity throughout the day on Wednesday with as much as 2-5 cm expected by the evening and another 2-5 cm each for Thursday and Friday. Freezing levels hovering around 1200 m and generally light but gusty southeast through northwesterly winds.

Avalanche Summary

No new avalanches were reported on Monday.

Snowpack Summary

A variable snow surface generally includes up to 5 cm of soft snow on a supportive crust with surface hoar or surface facets, breaking down to corn snow on all but high north aspects with daytime warming and sun-exposure. Wind slabs may be found in the alpine, or lower in glaciated drainages from katabatic winds. But in general, the snowpack is strong.

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.