Avalanche Forecast
Issued: Dec 11th, 2019 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
kdevine,
Avalanche Canada
Snow is expected to continue to fall all day, with strong winds. Storm slabs may become more reactive throughout the day, watch for changing conditions.
Summary
Confidence
Moderate - Forecast snowfall amounts are uncertain.
Weather Forecast
WEDNESDAY NIGHT - Flurries, 5-10 cm / southwest winds, 30-50 km/h / alpine low temperature near -5
THURSDAY - Flurries, 5-10 cm / west winds 40-60 km/h / alpine high temperature near -3
FRIDAY - Mainly cloudy with scattered flurries / southwest winds, 10-20 km/h / alpine high temperature near -5
SATURDAY - Cloudy with sunny periods and isolated flurries / light northwest winds / alpine high temperature near -6
Avalanche Summary
Strong winds and up to 20 cm of new snow by the end of the day on Thursday could mean that storm slabs form and become more reactive throughout the day.
On Tuesday, there were a reports of natural and human triggered avalanches to size 1.
On Monday, there were reports of explosives triggered avalanches up to size 2.5 on south facing slopes.
Last weekend, there were reports of human and explosives triggered avalanches up to size 2.
Snowpack Summary
5-10 cm of new snow sits on feathery surface hoar in many areas, and on a crust on steep south facing slopes. Another 5-10 cm is forecast to fall throughout the day on Thursday, which could bring total new snow amounts to 20 cm. Forecast strong winds will likely form storm slabs throughout the day, particularly in areas that see upwards of 20 cm of new snow. The bottom half of the snowpack consists of several crusts mixed with sugary facets.
Problems
Storm Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 12th, 2019 5:00PM
