Avalanche Forecast
Issued: Feb 21st, 2020 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
snow safety,
Parks Canada
The wind slab problem has been added to tree line elevation due to consistent winds and forecasted snow amounts on Saturday.
Excellent skiing found in the sheltered areas.
Summary
Weather Forecast
Expect to see ~10cm of new snow throughout the day on Saturday. The strong winds will gradually decrease becoming light from the SW by the evening. Temps will drop, with an alpine high of -15. Sunday into Monday will see another 10-15cm of snow, light winds and slightly warmer temps.
Snowpack Summary
Continued snow transport and cornice growth today in the high alpine. Sun crust formation on steep solar facing terrain. Overall the deep snowpack (observed as 3m+ in some areas) is strong in Little Yoho with no significant shear test results.
Avalanche Summary
No new avalanche observations or reports on Friday. On Thursday wind slabs were observed up to size 1.5 today along the Icefields Parkway in loaded pockets in the alpine.
A size 2.5 skier remote was reported Wednesday on the scramblers route of Cascade Mountain on a steep SW slope in the alpine, no involvement.
Confidence
Problems
Wind Slabs
Consistent moderate to strong Southerly winds continues to build fresh wind slab in the alpine and remains possible to trigger. Cornices have grown very large in recent weeks, so watch your exposure to them carefully.
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Feb 22nd, 2020 4:00PM
