Archived

Avalanche Forecast

Dec 19th, 2017–Dec 20th, 2017

Alpine

1: Low

The avalanche danger rating in the alpine will be low

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

1: Low

The avalanche danger rating in the alpine will be low

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

1: Low

The avalanche danger rating in the alpine will be low

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: Jasper.

Small isolated pockets of windslab may be found in exposed areas at upper elevations.

Weather Forecast

Scattered flurries throughout the week, totalling 10cm by Friday. Temps to remain cool, warming slightly with a clearing trend mid-week. Winds intensifying to moderate SW on Wednesday, then switching to the North by the end of the week.

Snowpack Summary

Small amounts of new snow cover a variety of wind affected surfaces and rocks. Midpack layers are unreactive in field tests. Recent winds have formed some isolated pockets of soft windslab in exposed areas at upper elevations.

Avalanche Summary

No natural activity observed by field team in Columbia Icefield Area. Minimal sloughing and very isolated pockets of soft slab triggered by ski cutting.

Confidence

Avalanche Problems

Wind Slabs

Use caution above ledges and cliffs where small avalanches may have severe consequences.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1