Avalanche Forecast
Issued: Nov 19th, 2011 8:50AM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems include This bulletin is based on limited data. Local variation in conditions and danger levels are likely to exist. To produce more accurate forecasts, we need information. Please send an email to forecaster@avalanche.ca.
Summary
Confidence
Poor - Due to limited field observations
Weather Forecast
Sunday: Expect clouds to build and winds to shift to southwesterly. Temperatures will remain cool. Flurries could begin in the evening. Monday & Tuesday: Periods of snow, especially the west side of the region. Winds will stay southwesterly and increase significantly as the storm intensifies. Expect freezing levels to reach 1500m on Tuesday.
Avalanche Summary
Observations are extremely limited at this time. No new avalanches have been reported.
Snowpack Summary
10-30cm of new snow has fallen in the last 48hrs, with significantly more at the south end of the region. Snowpack depths are likely in the 60-80cm range at about 1600m and about 125cms at 2000m. In the upper snowpack, windslab and storm snow instabilities exist around lee features and ridgelines. Watch for the possibility of reverse loading with the recent Easterly winds.
Problems
Wind Slabs
Variable winds have created the potential for windslabs on all aspects.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Nov 20th, 2011 8:00AM