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Archived

Avalanche Forecast

Feb 17th, 2014–Feb 18th, 2014
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
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
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Banff Yoho Kootenay.

Weather Forecast

For Tuesday scattered flurries with accumulations near 10 cm at treeline forecasted for along the Divide. Day time high temperatures of -8 in the alpine.

Snowpack Summary

The recent storm snow is settling and bonding to itself, however there is still a weak bond at the storm snow interface down 30-50 cm. South west winds in the past 48 hours have started to create touchy wind slabs in lee alpine terrain. These wind slabs are reactive to skier triggering.

Avalanche Summary

Natural and skier triggered avalanches up to size two are being observed at tree-line and alpine elevations throughout the region. A skier remote class 2 was triggered on a SW aspect near tree line in the Emerald Lake vicinity today.

Confidence

Avalanche Problems

Persistent Slabs

The recent storm snow is settling and bonding to itself. There is still a poor bond at the storm snow interface (facets and surface hoar) down about 30-40 cm.
Use caution in lee areas in the alpine and treeline. Recent storm snow has formed touchy slabs.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 3

Wind Slabs

Continued south west winds have created fresh wind slabs in lee alpine terrain. These wind slabs are reactive to skier triggering.
Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine.

Likelihood: Possible - Likely

Expected Size: 1 - 2