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Archived

Avalanche Forecast

Dec 2nd, 2016–Dec 3rd, 2016
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
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
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: Jasper.

Really going to have to curb your enthusiasm this weekend until the snowpack strengthens. Rapid ice developing on the parkway. Climbers need to carefully evaluate approach and overhead slopes and pack your avi gear.

Weather Forecast

Seasonally cold temperatures through the weekend. Winds expected to be moderate to strong, SW. Weather models really inconsistence on snowfall amounts; let's go with getting somewhere between 5 to 30cms!

Snowpack Summary

Strong relentless winds has formed touchy wind slabs 50+cm on open features at TL and above. Trump crust down 70cms at 2200m, unreactive so far.

Avalanche Summary

Field team in Parkers and Hilda area. Limited alpine observations due to poor visibility. Natural activity limited to TL observations. 2 natural slides up to sz 2.5 on N and E aspects, 2200 to 2400ms. One possible skier triggered sz 1, 2200ms in the Christmas Trees above Hilda hostel.

Confidence

Intensity of incoming weather systems is uncertain

Avalanche Problems

Wind Slabs

Open lee features have new and possibly very reactive windslabs. Avoid traveling through these features.
Avoid steep lee and cross-loaded slopes

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

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 3