Avalanche Forecast
Issued: Mar 7th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Marcus Waring,
Moderate to strong North- Northwest wind on the Icefields Parkways has started to redistribute soft surface snow, building wind slabs in the alpine and at tree line. Be on the lookout for reverse loading due to non-typical wind direction.
Summary
Weather Forecast
Tuesday: Cloudy with sunny periods and isolated flurries. Trace precipitation. Alpine temp hight -16 C. Wind North 15-35 km/h. Freezing level valley bottom
Wed: Sunny with cloudy periods. No precipitation. Alpine high -15 C. Wind NW 10-25 km/h
Thursday: Mix of sun and cloud with isolated flurries. Trace precipitation. Alpine high -11.
Snowpack Summary
Moderate to strong NNW wind is redistributing 10-30cm of recent snow and forming fresh wind slab at tree line and above. A crust down 25-40cm is decomposing but can still be found below 2500m on south aspects. A widespread weak facet layer still lurks at the bottom of the snowpack in all areas.
Avalanche Summary
No new avalanche activity observed in the past 3 days.
One natural size 2 cornice avalanche was observed on Thursday on Churchill. This cornice failure entrained loose dry snow below.
Confidence
Problems
Wind Slabs
Be on the lookout for reverse loading due to Northerly wind. Wind slabs may be forming in abnormal locations.
- Use caution in lee areas. Recent wind loading have created wind slabs.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 8th, 2022 4:00PM
