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Avalanche Forecast

Archived

Nov 18th, 2022–Nov 23rd, 2022

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

Lake Louise.

Warmer temperatures up high and sunny skies Saturday may lead to small loose avalanches in steep South facing terrain. Early season conditions are present with a thin snowpack, lots of variability in snow depth, and plenty of lurking hazards to hit.

Confidence

Moderate

Avalanche Summary

No new avalanches observed or reported.

Snowpack Summary

A light dusting blankets previously wind-affected surfaces in the alpine. The thin snowpack is quickly facetting with the recent cool temperatures and surface hoar growth is occurring. A sun crust can be found on the South aspects near treeline. 50-80 cm of total snow at treeline throughout the region, with up to 120 cm in loaded alpine features. Below treeline, the snowpack is generally below the threshold for avalanches.

Weather Summary

The drought continues. Expect a significant inversion Saturday morning with alpine temperatures reaching near 0C under sunny skies and moderate North West wind. The inversion continues Sunday although slightly cooler. For more info, see https://avalanche.ca/weather/forecast

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches may cause climbers to fall or belayers and gear to become buried.

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.