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Avalanche Forecast

Archived

Nov 4th, 2019–Nov 5th, 2019

Alpine
Below Threshold.
Treeline
Below Threshold.
Below Treeline
Below Threshold.
Alpine
Below Threshold.
Treeline
Below Threshold.
Below Treeline
Below Threshold.
Alpine
Below Threshold.
Treeline
Below Threshold.
Below Treeline
Below Threshold.

Regions

Kananaskis.

Lots of early season hazards lurking just below the surface to ruin your ski/snowboard winter. And climbers should be aware of overhead terrain and exposure to even small avalanches in exposed spots. Storm coming late Tuesday will raise hazard levels

Confidence

-

Weather Forecast

A cold front is expected to push into the region midday on Tuesday bringing cold temps, northerly winds and up to 20cm of snow. Wednesday should stabilize with a return to warmer weather on Thursday.

Avalanche Summary

Isolated loose dry avalanches up to size 1.5 in steep Alpine terrain on N and E aspects have occurred in the past 24 hours.

Snowpack Summary

10 to 20cm of generally heavy, wet snow fell in the past 36 hours. Wind loading is evident in lee and cross-loaded terrain in the Alpine and upper Treeline elevations. The early season crust is buried 20 to 40cm and is reported to be supportive to skiers weight in some locations. Basal facets exist below the crust.

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.

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.