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Archived

Avalanche Forecast

Jan 26th, 2013–Jan 27th, 2013
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
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low

Regions: Banff Yoho Kootenay.

Windslabs from this week's storm are predominantly found in the alpine, W of the divide. Good skiing can be found in protected tree-line and below tree-line features.

Weather Forecast

The region should see increasing cloudiness with trace amounts of snow tomorrow, along with gusty W/NW winds. Temperatures should cool slightly. Sunday night and Monday may bring 15-20cm of snow and moderate/strong NW winds.

Snowpack Summary

Up to 30cm this week along and W of the divide, with lesser amounts to the E. Soft wind slabs are sitting on previous hard wind slabs in the alpine. Mainly facetted midpack in thin snowpack areas. Jan 6 surface hoar can be found in various locations down approx.30 cm. This layer may wake up with Monday's storm if we get more than 25cm of snow.

Avalanche Summary

Solar point releases from steep south-facing slopes in the alpine. Isolated thin soft slabs noted from NE facing convexities in Kootenay near tree-line.

Confidence

Forecast snowfall amounts are uncertain

Avalanche Problems

Wind Slabs

Soft wind slabs up to 40cm thick exist mainly along and W of the divide in exposed terrain. Areas E of the divide have seen light snow and only very thin slab formation. Watch for the bond between these slabs and the hard surfaces below.
Avoid freshly wind loaded features.Note recent avalanche activity.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 2 - 2