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Avalanche Forecast

Archived

Mar 9th, 2015–Mar 10th, 2015

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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Sea To Sky.

There is precipitation in the forecast !

Confidence

Good - The weather pattern is stable

Weather Forecast

Clear skies should hold for most of Tuesday. On Wednesday a pulse of Pacific moisture will move through the region bringing 10 to 15cm of snow at higher elevations. Ridge top winds are forecast to be moderate from the west on Tuesday, switching to strong and southwesterly with Wednesday's system. Freezing levels will be around 2200m on Tuesday, and then drop to about 1600m for Wednesday and Thursday, then rising again to 3000m on Friday

Avalanche Summary

No new avalanches have been reported. Forecast sunny skies may increase the likelihood of loose wet avalanches on solar aspects, as well as cornice failures.

Snowpack Summary

Snow surfaces can best be described as variable. Melt-freeze conditions can be found on solar aspects in the alpine, and on all aspects at lower elevations. On high north-facing terrain, you may find stubborn old wind slabs and surface facets. The snowpack is generally strong and well settled. However, be aware that cornices may become weak with daytime warming.

Problems

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.