Avalanche Forecast
Issued: Dec 13th, 2016 7:33AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
chris gooliaff,
Parks Canada
Pack plenty of extra clothing, warm fluids, and a headlamp for these cold, short days.
Summary
Weather Forecast
Sunny with cloudy periods, alpine highs of -17*C, and light NW winds. More of the same for the remainder of the week with no signs of snow for Rogers Pass until late in the weekend...bundle up and enjoy the sunshine!
Snowpack Summary
Light snow over the weekend has hidden widespread hard wind slabs formed during the cold Arctic outbreak. The new snow has also formed thin surface slabs in the immediate lee of ridges and alpine features. Recent snowpack tests indicate both of these slabs are stubborn to initiate and move slowly if propagated.
Avalanche Summary
No new avalanche activity observed in the highway corridor in the last 48hrs.
Confidence
Problems
Wind Slabs
Thin, stubborn windslabs on the surface hide the hard windslabs formed by the cold Arctic air moving in. The hard slabs are prevalent near ridge tops or further downslope in valleys that acted as a wind funnel for the cold air flow.
The recent snow may now be hiding windslabs that were easily visible before the snow fell.Use caution in lee areas. Recent wind loading has created wind slabs.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 14th, 2016 8:00AM
