Avalanche Forecast
Issued: Nov 13th, 2017 8:16AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
mark herbison,
Parks Canada
Recent snow accumulation, warming temps and forecasted increasing winds promoting a formation of a storm slab.Early season hazards are lurking below the snow surface, ski / ride cautiously.
Summary
Weather Forecast
Snow today with accumulation up to 12cm by this evening. Alpine high of -2 with a rising freezing level to 1800m. Winds are forecasted to pick up over the day, 20km/hr gusting to 60km/hr from the south. Light snow to continue through Monday night and into Tuesday with another 25cm on Wednesday.
Snowpack Summary
10cm overnight, 25cm now covering the Nov 9 SH (spotty in distribution, hard to find), 35-50cm over the Halloween crust at treeline. The crust sits on 50-70cm of mixed forms and for the time being is well bonded. The lower snowpack is a 20cm layer of melt frozen crust. Snowpack is 90-130cm above 1900m.
Avalanche Summary
No natural or rider triggered avalanches have been reported.
Confidence
Intensity of incoming weather systems is uncertain on Monday
Problems
Storm Slabs
25cm of storm snow now covers the Nov 9 SH (reported up to 20mm at TL, but not found in recent snow profiles). Warming temps and increasing south winds will promote formation of a storm slab. Keep a keen eye out for changing conditions over the day.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Nov 14th, 2017 8:00AM
