Avalanche Forecast
Issued: Dec 4th, 2015 3:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
triley,
Avalanche Canada
There is a great deal of variability in the region. Avalanche Danger is increasing as a series of storms approaches from the southwest.
Summary
Confidence
Low - Due to the number and quality of field observations
Weather Forecast
Light snow Friday night resulting in 3-5 cm by Saturday morning combined with moderate southwest winds. 5-10 cm during the day Saturday with strong southerly winds and freezing levels around 1200 metres. 10-20 cm on Sunday with rising freezing levels and strong southwest winds. Storm continuing on Monday.
Avalanche Summary
No new avalanches reported.
Snowpack Summary
There is a great deal of variability in the region. The Duffey Lake area has received the most snow and rain during the recent storms, and it has also had the highest freezing levels. The Coquihalla has a shallower snowpack with slightly cooler temperatures. Storm slabs of varying depths are developing above a mixture of old surfaces left behind after the recent high pressure. We have not had many observations from this region, if you are out in the mountains please submit your observations to the Mountain Information Network.
Problems
Storm Slabs
Storm slabs continue to develop with each new pulse of Pacific moisture. Incremental loading like this can add a great amount of uncertainty for forecasting avalanche danger.
Use ridges or ribs to avoid pockets of wind loaded snow.>Be alert to conditions that change with elevation.>Choose conservative lines and watch for clues of instability.>
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 5th, 2015 2:00PM
