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Avalanche Forecast

Archived

Dec 23rd, 2017–Dec 24th, 2017

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

Regions

Northwest Inland.

The best riding is in sheltered areas. Enjoy the clear crisp weather and submit your photos and observations to the Mountain Information Network (MIN)!

Confidence

High - The weather pattern is stable

Weather Forecast

SUNDAY: Sunny with some cloud, moderate east winds, treeline temperatures around -14 C.MONDAY: Sunny, moderate northwest winds, treeline temperatures around -16 C.TUESDAY: Sunny, moderate northwest winds, treeline temperatures around -18 C.

Avalanche Summary

No new avalanches have been reported. On Thursday, some small avalanches were triggered by ski cutting on small wind loaded pockets in the Hankin area.

Snowpack Summary

Surface snow has been affected by recent winds from a variety of directions. The degree of wind affect varies throughout the region, with the most dramatic winds associated with outflow conditions in the western parts of the region near coastal inlets. Sheltered areas may still have 10 to 30 cm of powder from previous storms. Roughly 20 cm below the surface, a highly variable weak layer exists. It comprises of facets in cold areas, crusts on solar aspects, and in protected areas below 1500 m, feathery surface hoar. In most places, insufficient snow has fallen above this layer for it to be reactive, but it should be considered in deep snow areas, or where the wind has blown additional snow over the top of it.

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.