Avalanche Forecast
Issued: Jan 29th, 2015 4:00PM
The alpine rating is Persistent Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeThere has been significant change to the lower elevation snowpack over the past week. This will be an important interface to monitor as the next pulse of snow arrives this weekend.
Summary
Weather Forecast
Cool temps for the next few days, with freezing levels creeping up to treeline elevation on Friday afternoon. 10cm of snow expected to fall in the Columbia Icefield area by Sunday night.
Snowpack Summary
Recent warm temperatures and rain followed by cooler temps have produced a widespread crust up to 2400 on all aspects. Above this, previous wind affected surfaces in exposed areas and wind slabs on lee aspects.
Avalanche Summary
The avalanche activity has slowed with the cooler temperatures. Several small loose wet slides were observed today along the Endless Chain out of steep, rocky, solar aspects around 2100m.
Confidence
Intensity of incoming weather systems is uncertain
Problems
Persistent Slabs
Forecasters have had easy test results on this layer recently. The tricky thing about this layer is that it is not widespread but can be found in sheltered areas.
Choose well supported terrain without convexities.Avoid shallow snowpack areas where triggering is more likely.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Jan 30th, 2015 4:00PM