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Archived

Avalanche Forecast

Nov 19th, 2012–Nov 20th, 2012
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Waterton Lakes.

While warm and windy conditions have kept snow accumulation to a minimum, be aware that some avalanche hazard  does exist. Visitor Safety technicians will start producing regular Avalanche Bulletins each Tuesday and Friday beginning on December 1.

Weather Forecast

Expecting continued warm temps with minimal accumulations

Snowpack Summary

Warm temperatures and strong winds have persisted for the last week  Minor accumulation amounts for this period above 1500m only. S and W slopes are largely scoured. HS at LP has settled to one half its original value.

Avalanche Summary

None - Of note however are the collapse of many water ice routes: Expert's Choice, Quick and Dirty ,Compound Slabs, etc have all gone from nearly formed to total collapse in the last 48hrs.

Confidence

Avalanche Problems

Wind Slabs

Although likely to be isolated and discontinuous, these should be obvious. Skiers looking for deeper snow  patches should be wary. These may also be found approaching or above many of the forming ice routes and could be triggered with wind or warming
There is not enough snow to travel on skis yet.Be careful with wind loaded pockets while approaching and climbing ice routes.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2