Avalanche Forecast
Regions: Jasper.
Some new snow is on the way at higher elevations
Weather Forecast
The atmospheric river arrives
Sat: Flurries with up to 6cm with gusting moderate SW winds
Sun: Flurries with up to 10cm with moderate SW winds gusting to strong. Freeze level: 1900m
Mon: Storm tapers with isolated flurries and back to a westerly and cooler temps.
A detailed forecast can be found from Avalanche Canada's, Mountain Weather Forecast.
Snowpack Summary
5-10 cm of snow sits above the recent November rain crust which goes as high as 2200m in the terrain. Total snow pack height in alpine is around 45-85 cm and sits on top of a variable weak basal crust from early October. A variety of surfaces can be found in the alpine from wind pressed/scoured features to wind slabs in the lee in the high alpine.
Avalanche Summary
A field team yesterday reported no new avalanches but signs of wind transport in the high alpine peaks and ridge tops.
Confidence
Intensity of incoming weather systems is uncertain on Saturday
Avalanche Problems
Wind Slabs
New wind slabs building with the storm. Suspect the problem will mostly be in the alpine at ridgetops.
- Use caution in lee areas. Recent wind loading has created wind slabs.
- 885
Aspects: North, North East, East, West, North West.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1 - 2