Avalanche Forecast
Issued: Feb 23rd, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Persistent Slabs and Storm Slabs.
lcrawley,
Avalanche Canada
New snow with wind will raise the avalanche danger.
Dial back terrain choices as the storm builds slabs over buried weak layers.
Summary
Confidence
Avalanche Summary
Only small dry loose avalanches in steep terrain have been reported in the past couple of days.
Snowpack Summary
Up to 30 cm of recent snow could fall by the end of the day Saturday. This will add to the 5 cm that buried a variety of layers including surface hoar and facets in sheltered terrain, a crust on south and west-facing slopes as well as old wind slab on exposed terrain.
The widespread crust buried in early February is down 5 to 40 cm. This crust may have a layer of facets above it.
The remainder of the snowpack is settled and not concerning.
Weather Summary
Friday Night
Cloudy with up to 15 cm of new snow. 10 to 20 km/h southwest winds. Treeline temperature -10 °c.
Saturday
Cloudy with up to 10 cm of new snow. 10 to 20 km/h southwest winds. Treeline temperature -8 °c.
Sunday
Cloudy with 10 to 20 cm of new snow. 10 to 20 km/h south winds switching to northeast in the afternoon. Treeline temperature -10 °c.
Monday
Cloudy with 5 cm of new snow. 10 to 20 km/h northeast winds. Treeline temperature -20 °c.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Fresh snow rests on a problematic persistent slab, don't let good riding lure you into complacency.
- Watch for fresh storm slabs building throughout the day.
- Seek out sheltered terrain where new snow hasn't been wind-affected.
Problems
Persistent Slabs
The crust that was buried in early February has weak, sugary facets or surface hoar on top of it, making it a bad weak layer.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Storm Slabs
Wind and new snow will form storm slabs throughout the day. These slabs will be most reactive where they overlie surface hoar, facets, or a crust.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 24th, 2024 4:00PM
