Avalanche Forecast
Issued: Mar 20th, 2020 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Deep Persistent Slabs.
Darren vonk,
Parks Canada
Colder temperatures are on the way. Good skiing can still be found on sheltered polar aspects Tree line and below. Keep your activities mellow and finish early. Now is not the time to get into complicated situations.
Summary
Weather Forecast
Saturday: Cloudy with sunny periods. High -8 No new snow expected. Freezing levels at Valley bottom
Sunday: Cloudy with isolated flurries. HIgh -7 with 30km/h SW winds
Monday: Snow. Up to 10cm of snow High -4 Gusty SW winds to 40km/h Freezing levels to Valley bottom
More detailed forecast at: Mountain weather forecast
Snowpack Summary
Snowpack continues to settle due to Diurnal conditions. Scoured from previous winds. Old hard slabs exists in the alpine and open tree line. More confidence in the southern snowpack. Cornices remain an overhead hazard,
The mornings can provide good travel on the melt freeze crust. By early afternoon the crust will start to break down.
Avalanche Summary
A road patrol down highway 93 noted a few wet loose avalanches to size 1.5 out of TL and below on solar aspects. Water running on cliff bands that are in direct sunlight also observed in the Maligne lake road area.
Confidence
Problems
Deep Persistent Slabs
This problem will require a large trigger, thin spots or rapid day time warming.
- Be aware of the potential for full depth avalanches due to weak layers at the base of the snowpack.
- Avoid shallow snowpack areas where triggering is more likely.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Mar 21st, 2020 4:00PM
