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Archived

Avalanche Forecast

Dec 7th, 2017–Dec 8th, 2017
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
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
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 Inland.

Stick to shady terrain. Wet loose avalanches are most likely on sun-exposed slopes.

Confidence

High - The weather pattern is stable

Weather Forecast

FRIDAY: Sunny with some valley clouds, moderate west wind, freezing level around 3000 m with inversions in the valleys.SATURDAY: Mix of sun and cloud, moderate southwest wind, freezing level around 2700 m with inversions in the valleys.SUNDAY: Clouds clearing in the afternoon, light wind, freezing level rising to 3400 m.

Avalanche Summary

Small wet loose avalanches (size 1) have been reported out of steep south and west facing slopes. More wet loose activity can be expected with sustained warming this week.

Snowpack Summary

Warm temperatures are rapidly settling the snowpack. Expect widespread melting of the surface snow, especially on south-facing slopes. Crusts may form overnight, but will melt quickly in the mornings. Lingering wind slabs may be found in the alpine, but are trending towards being unreactive. The snow has formed a strong bond to the late November rain crust which is now 30-50 cm deep. Treeline snow depths are approximately 1 m throughout the region.

Avalanche Problems

Loose Wet

Sustained warm temperatures are weakening the surface snow, especially on steep slopes exposed to the sun.
Use extra caution on sunny slopes or if the snow is moist or wet.Use caution above cliffs and terrain traps where small avalanches may have severe consequences.

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

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 2