Avalanche Forecast
Issued: Feb 9th, 2019 4:00PM
The alpine rating is Loose Dry and Deep Persistent Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Weather Forecast
Sunday will be cloudy, no precipitation, alpine temperatures high -11 C, and light ridge winds. Sunday will be mix of sun and cloud with isolated flurries, alpine temperature low -22 C and high -14 C with light ridge winds. A detailed mountain weather forecast is available from Avalanche Canada.
Snowpack Summary
50cm from Feb 2nd was followed by strong Northerly winds and cold temperatures. This snow overlies a dormant but persistent weaknesses of surface hoar, crusts, and/or facets. Cold temps have weakened the structure of the slab over this layer and it lays dormant, for now. A deep persistent basal facet/depth hoar weakness exists in shallow areas.
Avalanche Summary
A recent natural slab avalanche (Sz 2.5) was observed on a NW aspect, 2400m above Maligne Lake. On Feb 7th, 3 people were involved in a sz 2 in the Maligne area. The slide was triggered in the basal weakness while traveling through the trees on a W aspect, 1950m, on a 30 degree slope. One member was fully buried and recovered by their partners.
Confidence
Problems
Loose Dry
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Deep Persistent Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 10th, 2019 4:00PM