Avalanche Forecast
Issued: Dec 10th, 2017 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Deep Persistent Slabs.
a.l. horton,
Parks Canada
Be extra cautious on steep solar aspects during the heat of the day. Pay attention to signs that upper snowpack is weakening (snowballing, moist or wet snow especially around rocky areas, water running over rocks etc.).
Summary
Weather Forecast
Temperatures will rise through the night on Sunday as the freezing level climbs to 3400m by mid-day on Monday. Winds will ease to Light Westerly and skies will be clear. Temperatures and freezing level will drop on Tuesday with similar weather expected on Wednesday.
Snowpack Summary
Melt freeze crust on steep solar aspects treeline and above. There is a well settled snowpack in most locations. A 30 - 70 cm thick slab overlies a crust and bonding appears to be strengthening at this interface. The Halloween Oct 31 crust sits near the bottom of the snowpack from treeline to 2700 m.
Avalanche Summary
No patrol occurred on Sunday. No avalanches reported.
Confidence
on Monday
Problems
Deep Persistent Slabs
Solar triggering is possible on steep south facing slopes.
Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Dec 11th, 2017 4:00PM
