Avalanche Forecast
Issued: Feb 20th, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Loose Dry.
Tereza Turecka,
Wind slabs may be forming in unusual spots due to northerly winds. Ice climbers, watch out for spin drifts from above.
Summary
Weather Forecast
Monday:A mix of sun and cloud.Precipitation: Nil.Alpine temperature: High -25 C.Ridge wind east: 15 km/h.Freezing level at valley bottom.
Tuesday:Sunny with cloudy periods.Precipitation: Nil.Alpine temperature: Low -30 C, High -20 C.Ridge wind northeast: 10 km/h.Freezing level at valley bottom.
Snowpack Summary
Up to 15 cm of new snow. New wind slabs in the alpine and exposed tree line from strong SW winds and incremental precipitation. Weak temperature crust up to 1900m and solar crust on solar aspects up to 2800m. December facets down 20-70cm, showing signs of rounding within bulletin region. Basal facets & depth hoar present throughout area.
Avalanche Summary
Icefields patrol and Maligne road patrol did not observe any new natural avalanche activity. Visibility was fair overall on Sunday.
Confidence
Due to the number of field observations
Problems
Wind Slabs
These slabs are sitting on old hard surfaces (old wind slabs, temperature and sun crusts).
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Loose Dry
Most concern for ice climbers. Avoid narrow gullies and climbs exposed to steep rocky terrain.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 21st, 2022 4:00PM
