Avalanche Forecast
Issued: Mar 19th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Timothy Johnson,
Travel is desperate below 1700m due to a breakable crust. Watch out for lingering wind slab in the alpine and exposed tree line features.
Summary
Weather Forecast
Sunday
Cloudy with sunny periods and isolated flurries.
Precipitation: Trace.
Alpine temperature: High -9 °C.
Ridge wind W 20-40 km/h.
Freezing level at valley bottom.
Monday
Cloudy with sunny periods and isolated flurries.
Precipitation: Trace.
Alpine temperature: Low -12 °C, High -6 °C.
Ridge wind W 15 km/h gusting to 40 km/h.
Freezing level: 1500 metres.
Snowpack Summary
There is a 1-5cm breakable temperature crust on all aspects below 1700m. Also a sun crust on solar aspects to at least 2100m. Freezing levels on Saturday were around 2200m. The midpack is mostly solid but there could be a Feb 13 interface down 20-50cm as a suncrust on solar aspects and a facet layer on polar aspects.
Avalanche Summary
No new recent avalanches have been observed around Jasper, but large cornices have been falling off causing large avalanches in Banff National Park
Confidence
Due to the number and quality of field observations
Problems
Wind Slabs
Watch out for lingering wind slabs down into exposed treeline features.
- Be careful with wind loaded pockets while approaching and climbing ice routes.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 20th, 2022 4:00PM
