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Archived

Avalanche Forecast

Mar 7th, 2022–Mar 8th, 2022
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Jasper.

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.

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

Avalanche 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: Possible - Likely

Expected Size: 1 - 2