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Archived

Avalanche Forecast

Jan 28th, 2017–Jan 29th, 2017
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
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: South Coast.

20-30 cm of new snow with strong southwest winds will elevate the avalanche danger on Sunday.

Confidence

Moderate - Intensity of incoming weather systems is uncertain

Weather Forecast

SUNDAY: Snow starting mid-morning with 20-30 cm by the afternoon, strong southwest winds, freezing level dropping to 1200 m.MONDAY: Cloudy, light west winds, freezing level dropping to 800 m with alpine temperatures around -2 C.TUESDAY: Cloudy with sunny periods, light west winds, alpine temperatures around -4 C.

Avalanche Summary

No new avalanches have been reported. Storm slab avalanches will become reactive throughout the day on Sunday, particularly on wind loaded slopes.

Snowpack Summary

A midday storm will deliver 20-30 cm of new snow by Sunday afternoon. Expect thicker and touchier storm slabs to develop on north and east facing wind loaded features. The new snow may bond poorly to sun crusts on steep south facing slopes. The mid and lower snowpack are well settled and stable.

Avalanche Problems

Storm Slabs

Expect widespread reactive storm slabs with 20-30 cm of new snow and strong southwest winds. Take extra caution in wind affected terrain and avoid terrain traps such as cliffs and gullies.
Use caution around ledges and cliffs where small avalanches may have severe consequences.Use caution in lee areas in the alpine and treeline. Storm snow is forming touchy slabs.Avoid freshly wind loaded features.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2