Avalanche Forecast
Issued: Feb 3rd, 2020 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs and Deep Persistent Slabs.
Jasper Snow Safety,
Parks Canada
The Icefields Parkway and the Maligne Lake road are still closed. Check 511.alberta.ca/ for updates.
Summary
Weather Forecast
Tuesday will be mostly cloudy and isolated flurries, trace amount of snow, -16 C, and Southwest winds 20 km/h. Wednesday will be bring 6 cm of snow, -16C, light gusting moderate westerly winds.
See Weather synopsis here: Avalanche Canada Mountain Weather Forecast
Snowpack Summary
50 cm snow arrived in Jan 31 / Feb 1 with strong winds and warm temperatures. The storm created thick storm slabs over the facetted midpack and weak basal facets and depth hoar.
Avalanche Summary
Considering the depth of new snow very little natural activity seen accept in the Wilson area. Explosives work over the last 2 days produced inconsistent results. Icefields area from size 1 to 3 with 50 to 100% cleanout. Loose dry results up to size 2.5 from Medicine Slabs but nothing hitting the road.
Confidence
Due to the number and quality of field observations on Tuesday
Problems
Storm Slabs
Up to 50 cm during the recent storm with Mod SW winds.
- The new snow will require several days to settle and stabilize.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Deep Persistent Slabs
Recent 50 cm of new snow has the potential to overload this weakness
- If triggered the storm slabs may step down to deeper layers resulting in large avalanches.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 4th, 2020 4:00PM
