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Archived

Avalanche Forecast

Apr 10th, 2015–Apr 11th, 2015
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
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
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: Kootenay Boundary.

A relatively small storm will bring one more blast of winter conditions to this region. Watch out for fresh wind slabs.

Confidence

Fair - Intensity of incoming weather systems is uncertain on Saturday

Weather Forecast

Saturday: 5-10 cm new snow above 1500 m, with rain below that. Ridgetop winds up to 50 km/h from the southwest. Sunday: Cloudy with some sunshine. Flurries possible. Freezing level around 1500 m. Ridgetop winds around 30 km/h from the west. Monday: Light snow 2-4 cm. Freezing level rising to around 1800 m in the afternoon. Ridgetop winds around 40 km/h from the southwest.

Avalanche Summary

No recent avalanches have been reported. Observations are becoming more limited as we enter into spring. If you're out in the mountains, please consider posting your observations to our webpage using the Mountain Information Network. 

Snowpack Summary

Melt-freeze surface conditions exist on sun-exposed slopes. On shaded slopes, 10-20cm of recent snow overlies a thick supportive melt-freeze crust. At higher elevations these accumulations may have been blown around by variable winds and thin wind slabs may exist on a variety of aspects. The mid-March crust/facet complex is buried around 50cm below the surface. This layer is generally considered dormant, although it could be reactivated in isolated terrain by prolonged warm temperatures. The mid and lower snowpack are strong and well settled.

Avalanche Problems

Wind Slabs

New snow may get blown into fresh wind slabs on the immediate lee of ridge lines and other terrain breaks.
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.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 3