Archived

Avalanche Forecast

Mar 4th, 2012–Mar 5th, 2012

Alpine

4: High

The avalanche danger rating in the alpine will be high

Treeline

4: High

The avalanche danger rating at treeline will be high

Below Treeline

3: Considerable

The avalanche danger rating below treeline will be considerable

Alpine

4: High

The avalanche danger rating in the alpine will be high

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

Below Treeline

3: Considerable

The avalanche danger rating below treeline will be considerable

Alpine

3: Considerable

The avalanche danger rating in the alpine will be considerable

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Regions: Jasper.

Up to 40 cm of snow is possible from Sunday night to Monday afternoon. We are expecting a significant avalanche cycle on Monday.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

on Monday

Avalanche Problems

Storm Slabs

Heavy snow expected on Monday. Moderate to strong SW winds will be building wind slabs that will be sitting on top of a weak buried surface hoar layer in some locations. Past variable winds make locating this surface hoar layer challenging.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely - Very Likely

Expected Size: 1 - 3

Persistent Slabs

Open slopes on Northeast to South aspects have slabs that are sitting on surface hoar 20-60cm down. On southerly aspects, the surface hoar formed on a sun crust, increasing the possibility of remote triggering and wide propagations.

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

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 4