Avalanche Forecast
Issued: Nov 30th, 2012 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Persistent Slabs.
Brad White,
Avalanche Canada
Decent ski quality reported in sheltered locations at treeline. SH
Summary
Weather Forecast
5-10cm at TL by Sat. night and light amounts through to Monday. We may see increased alpine SW flow Sat. with freezing levels up to 1600-1700 during the day. Possibly rain in lower elevation areas W of divide such as Field.
Snowpack Summary
Sunshine study plot CTH24RP on Nov. 6 CR approx. 20 cm above ground. Crust is breaking down. Small SH noted (3mm) 10cm below surface. 90-100cm at TL in most areas, and average 5cm HN24 with little wind effect
Avalanche Summary
Lake Louise ski hill had no results from explosives control in alpine terrain. No other avalanches observed.
Confidence
Problems
Wind Slabs
Watch locally for thin wind slabs developing in the lees of ridges if we receive increased winds Sat as there is a lot of snow available for transport.
Aspects: North, North East, East, South East, South.
Elevations: Alpine.
Likelihood
Expected Size
Persistent Slabs
The Nov 6 raincrust is down 50-90 cm. Although we have not seen any recent activity on this crust, this is still a significant layer in the snowpack. Evaluate this layer carefully prior to entering steeper/bigger terrain.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 1st, 2012 4:00PM
