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Archived

Avalanche Forecast

Nov 15th, 2017–Nov 16th, 2017
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Jasper.

Good early season riding can be found at TL and above, though it can be difficult to access from below treeline Wind effect in the Alpine on Northerly aspects

Weather Forecast

Localized convective storms moving through the Icefields and Wilson regions. Actual amounts will very, from trace to 5 - 7cm overnight Wednesday. Temperatures will remain floating near -5. Light to moderate, gusty SE winds will be moving fresh snow in exposed areas.

Snowpack Summary

Only trace amounts of snow below 1700m. Above 2000m, a generally strong, and supportive early winter snowpack exists with depths ranging from 30 to 100+ cm depending on aspect and exposure to wind. Wind effect to the recent snow has loaded northerly exposed slopes and ridge tops in the alpine, expect this to continue.

Avalanche Summary

Observed no new avalanche activity on highway 93N. Climbers should still remain vigilant as even triggering a small avalanche in a gully feature or above cliffs can have severe consequences.

Confidence

Avalanche Problems

Wind Slabs

Newly formed wind slab 20-30 deep predominately on exposed alpine lees. Human triggering possible in the alpine. Be wary!
Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.Be careful with wind loaded pockets while approaching and climbing ice routes.

Aspects: North, North East, East, South East, South.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2