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Archived

Avalanche Forecast

Dec 2nd, 2019–Dec 3rd, 2019
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: Jasper.

Weather system set to drift through the region Tuesday and Wednesday; up to 25 cm new snow and moderate to strong winds.

Avoid areas where wind loading is observable and present during the storm.

Weather Forecast

A series of pacific lows tracking inland will bring strong westerly winds and significant snowfall on Tuesday and Wednesday. Details here: Mountain Weather Forecast.

Snowpack Summary

The shallow snowpack areas will be faceting and loosing support underfoot though much of the forecast region due to the sustained cold temps. Windslabs and wind effect in exposed areas. Oct. and Nov. crusts preserved in the mid and lower snowpack; both seem have a good bond to the overlaying snow.

Avalanche Summary

No new avalanches observed or reported.

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Avalanche Problems

Wind Slabs

Windslab will continue to build over the next 48 hours in all open areas with moderate to strong west/north-west winds. Ice Climbers should be especially observant to wind loading patterns when choosing a venue for the day.

  • Use caution in lee areas. Recent wind loading have created wind slabs.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2