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Avalanche Forecast

Archived

Nov 22nd, 2020–Nov 23rd, 2020

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

Waterton Lakes.

A supportive melt freeze crust makes for some fun skiing above 1900m in spots. Travel is quite variable and can be treacherous below that elevation or outside the Cameron Lake region. Regular avalanche bulletins begin December 3rd.

Weather Forecast

Avalanche Canada's Mountain Weather Forecast is a great regional-scale resource for up-to-date weather information. Here you'll find snow amounts, freezing levels and other aspects of weather important to assessing winter conditions in the mountains.

SPOTWX is a good resource for local scale weather forecasts.

Snowpack Summary

At Cameron Lake- Approx. 20cm of soft snow sits over a thick melt freeze crust. The lower snowpack is well consolidated and bonding well to the November 6th rain crust in the limited areas we have been able to test so far. Average snow depth at 2000m is 100cm but shrinks to an average of 40cm below 1850m.

Most other areas are still below threshold.

Avalanche Summary

No new avalanches have been reported in the past 72 hours.

Confidence

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.