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Avalanche Forecast

Archived

Feb 23rd, 2015–Feb 24th, 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

Cloudy with sunny periods on Tuesday as temperature inversions dissipate and freezing levels drop to 1500 m. Mainly cloudy with isolated light flurries for Wednesday and Thursday, with freezing levels hovering around 1500 m and light but gusty winds.

Avalanche Summary

No new avalanches were reported on Sunday.

Snowpack Summary

A variable snow surface generally includes a supportive crust with surface hoar or surface facets, all breaking down to corn snow with daytime warming and sun-exposure. In general, the snowpack is strong, but may weaken during peak warming periods. Cornices may fail with warm temperatures. Wind slabs may be found in the alpine, or lower in glaciated drainages from katabatic winds.

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.