Archived

Avalanche Forecast

Nov 11th, 2018–Nov 12th, 2018

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

2: Moderate

The avalanche danger rating at treeline will be moderate

Below Treeline

Below Threshold

The avalanche danger rating below treeline will be below threshold

Regions: Jasper.

Early season hazards due to the shallow snowpack (skiers) and thin, newly formed ice (climbers) remain a primary concern.

Weather Forecast

Click here

for the Avalanche Canada mountain weather forecast.

Snowpack Summary

The Oct. 25th crust/facet combo remains the main concern. This layer is buried an average of 20 to 50cm, and is present on most slopes with sufficient snowpack for safe skiing - we expect this layer to linger for sometime. The snowpack below treeline is mostly below threshold depths for avalanche activity.

Avalanche Summary

Last week the Oct 25th layer produced some large natural avalanches (up to size 2.5) throughout the Rockies from as far south as Kananaskis Country, north to Yoho, the Icefields, Jasper and Marmot Basin Ski Hill.

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Avalanche Problems

Deep Persistent Slabs

Best to assume all skiable slopes have this layer, and assess the strength of this interface before committing to a line.

Watch for whumpfing, hollow sounds, and shooting cracks.Carefully evaluate terrain features by digging and testing on adjacent, safe slopes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2.5