Avalanche Forecast
Issued: Dec 11th, 2019 4:00PM
The alpine rating is Storm Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeWith continued snow and wind expected throughout the day on Thursday, storm slabs may become more reactive throughout the day.
Summary
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.
Problems
Storm Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 12th, 2019 5:00PM