Avalanche Forecast

Issued: Dec 1st, 2015 4:00PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs.

jonas hoke, Parks Canada

Waterton Lakes.

Summary

Weather Forecast

Strong south winds continuing through Thursday. With the temperature inversion of the past couple of days having dissipated, temperatures are forecast to increase to above freezing overnight in the valley bottoms but remain relatively cool in the alpine.

Snowpack Summary

Moderate to strong south west winds at ridgetop are building fresh windslabs in lee areas and scouring exposed ridgecrests back down to the November 17th melt freeze crust. Recent surface hoar growth of up to 10mm in the valley bottoms. Middle and lower snowpack are generally well settled with no notable weak layers.

Avalanche Summary

No new avalanche activity has been observed or reported.

Confidence

Problems

Wind Slabs

Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: North, North East, East, South East.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Dec 4th, 2015 4:00PM