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Avalanche Forecast

Archived

Apr 22nd, 2022–Apr 23rd, 2022

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely, human triggered possible.

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

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.