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Archived

Avalanche Forecast

Feb 1st, 2017–Feb 2nd, 2017
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
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
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low

Regions: Lizard-Flathead.

The best and safest riding may be in sheltered terrain around tree line

Confidence

Moderate - Forecast snowfall amounts are uncertain on Saturday

Weather Forecast

Thursday: Mix of sun and cloud / Light south wind / Alpine temperature -12Friday: Cloudy with sunny breaks and isolated flurries / Light southwest wind / Alpine temperature -5Saturday: Flurries, accumulation 5-10cm / Light to moderate southwest wind / Alpine temperatures of about -3More details can be found on the Mountain Weather Forecast.

Avalanche Summary

Recent avalanche activity in the region has been reported as natural and skier triggered wind slabs up to size 2 in the alpine and at tree line.

Snowpack Summary

In general, snow surfaces are best described as heavily wind affected with scouring and sastrugi formation noted on many terrain features. Crusts can be found near the surface on solar aspects at high elevations and on all aspects below 1600m. There have been isolated reports of a surface hoar layer from early January buried about 40 cm deep in sheltered areas, although not much is known about its current reactivity. About 70cm below the surface, you'll find sugary facet crystals which formed during December's cold snap. Although avalanches are currently unexpected at this interface, this layer could come back to life with with warming, significant loading or a large trigger at a thin spot.

Avalanche Problems

Wind Slabs

Recent avalanche observations suggest wind slabs are still reactive to the weight of a person.
Be cautious as you transition into wind affected terrain.Use ridges or ribs to avoid pockets of wind loaded snow.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2