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Archived

Avalanche Forecast

Apr 22nd, 2022–Apr 23rd, 2022
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Jasper.

Forecasted new snow did not materialize. Isolated wind slabs exist in the Alpine and dry loose activity continues. Despite the Low danger rating, safe travel practice is still required especially in high consequence terrain.

Weather Forecast

Parkers Ridge area

Saturday - Mostly cloudy isolated flurries trace precipitation. Alpine Low -5C High -1C. Wind NW 10-20km/h. Freezing level (FL) 2200m; valley bottom (VB) overnight

Sunday - Mix of sun and cloud. Alpine High 0C Low -6C. Wind SW 10-30km/h. FL 2300m; 1500m overnight

Monday - Isolated flurries up to 4cm.

More info @ Avalanche Canada MWF

Snowpack Summary

5-15cm low density snow sits over previously wind effected surface or supportive sun/temperature crust. Isolated pockets of wind slab possible near ridge top from sporadic southwesterly winds during the past week. A variety of crusts are present in upper snowpack at all elevations; mid pack is well consolidated.

Avalanche Summary

Friday - isolated dry loose activity to size one Icefields area. Marmot ski area reporting no significant activity. Thursday - large serac fall observed off Athabasca below the ramp size 2.5; a few loose dry - one size 1.5 seen on the Sky Ladder. Please consider submitting a MIN report if you observe any new activity.

Confidence

Avalanche Problems

Loose Dry

This problem is specific to steep terrain. Activity expected to continue especially on southerly aspects during peak solar. Sluffs may gain enough mass to knock you off your feet as new snow sits over a firm bed surface in most locations.

  • Avoid travel above cliffs and in terrain traps, where small avalanches may have severe consequences.
  • Be cautious of sluffing in steep terrain.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Possible - Likely

Expected Size: 1 - 1.5