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Avalanche Forecast

Archived

Nov 7th, 2022–Nov 11th, 2022

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

Maligne.

Good start to the ski season. Snow depths are variable. Early season hazards are prevalent.

Confidence

Low

Avalanche Summary

Numerous Loose Dry point release avalanches observed on Nov 7 in the Alpine. Isolated Slab avalanches observed at Parkers Ridge to Sz 1.5. These avalanches released to ground on rock slabs.

Snowpack Summary

20-30cm of low density snow has been redistributed by variable winds over the last 4 days. Pockets of windslab have been observed at Tree Line and above. Snow depth is highly variable, anywhere from 60-120 cm deep. Snowpack is overall supportive at Parkers Ridge.

Weather Summary

High pressure moving in from the North, expect a mix of sun and cloud, little snow, and cold temps. Temps will be warming throughout the week. FL staying at Valley Bottom.

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.

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.