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Avalanche Forecast

Dec 11th, 2019–Dec 12th, 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
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.

With continued snow and wind expected throughout the day on Thursday, storm slabs may become more reactive throughout the day.  

Confidence

Moderate - Forecast snowfall amounts are uncertain.

Weather Forecast

WEDNESDAY NIGHT - Snow, 5-10 cm / southwest winds, 30-50 km/h / alpine low temperature near -2 / freezing level 1100 m

THURSDAY - Snow, 5-15 cm / southwest winds 30-50 km/h / alpine high temperature near -3 / freezing level 1200 m

FRIDAY - Cloudy with scattered flurries, 5 cm / southwest winds, 10-20 km/h / alpine high temperature near -4 / freezing level 1000 m

SATURDAY - Cloudy with sunny periods and isolated flurries / light southwest winds / alpine high temperature near -5 / freezing level 800 m

Avalanche Summary

New snow and wind will mean that storm slabs are likely forming and chances are good that they will become more reactive throughout the day on Thursday.

Snowpack Summary

5-10 cm of new snow from Wednesday right likely sits on a weak layer of feather surface hoar. Another 5-15 cm is expected throughout the day, bringing total new snow amounts to 10-25 cm. The middle of the snowpack contains a mix of hard crusts and facet/crust layers. Snowpack depths remain very shallow throughout the region with about 75-100 cm at upper treeline elevations. Below treeline terrain is below the threshold for avalanches.

Avalanche Problems

Storm Slabs

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2