Avalanche Forecast
Issued: Dec 19th, 2011 9:18AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
ccampbell,
Avalanche Canada
Summary
Confidence
Good - -1
Weather Forecast
Tuesday: Light snowfall with 5-10cm of accumulation, freezing levels dropping to valley bottoms and moderate westerly winds. Wednesday: Mostly clear and dry with freezing levels in valley bottoms and light southeasterly winds. Thursday: Increasing cloud with flurries possible late in the day. Freezing levels remaining in valley bottoms.
Avalanche Summary
Recent avalanches have been limited to easy to trigger, but small sluffs.
Snowpack Summary
5-10cm of recent snow in the Duffy Lake area, and 10-20cm in Coquihalla Pass, overlies a variety of surfaces including a 1cm melt-freeze crust below approximately 1850m, and well settled old storm snow in sheltered sites or wind crust in exposed areas above 1850m. Buried surface hoar persists down 15-20cm and recently gave easy shears in the Duffy Lake area. It is widespread and up to 25mm near valley bottom, becoming less prevalent and smaller with elevation and disappearing completely as you approach treeline. Locally deep and weak wind slabs are lurking and cornices are sensitive.
Problems
Wind Slabs
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 20th, 2011 8:00AM
