Avalanche Forecast
Issued: Feb 1st, 2020 4:00PM
The alpine rating is Storm Slabs and Deep Persistent Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeStay out of avalanche terrain!
The Icefields Parkway and the Maligne Lake road are closed until avalanche control efforts can be completed. Check 511.alberta.ca/ for updates.
Summary
Weather Forecast
Sunday will be cloudy with sunny periods and isolated flurries, trace amount of snow, -16 °C, and Southwest winds 20 km/h gusting to 45 km/h. Monday will be similar to Sunday.
See Weather synopsis here: Avalanche Canada Mountain Weather Forecast
Snowpack Summary
40cm or more snow arrived in the storm in the past 24 hours with strong winds and warm temperatures. Expect thick storm slabs over the facetted midpack and weak basal facets and depth hoar.
Avalanche Summary
A patrol to North end of Medicine lake noted several low elevation loose wet avalanches along Medicine slabs. The team's morning patrol on the Parkway only got to the Icefields center where the snow was too deep to proceed. Visibility was poor and it was a blizzard.
Confidence
Forecast snowfall amounts are uncertain
Problems
Storm Slabs
Up to 40 cm in last 24 hrs with Mod SW winds. We should see widespread avalanche activity at all elevation with large avalanches running full path.
- It is a good time to stay within the boundaries of a ski resort.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Deep Persistent Slabs
It is very likely that this new and heavy snow load will overload this weakness and we will see avalanches running to ground on this layer. No one should be entering avalanche terrain at this time!
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 2nd, 2020 4:00PM