Wind Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Likely
- Size
- 1–1.5
New snow and moderate winds have formed wind slabs in lee features.
Avalanche forecast
View on mapSouth Okanagan
Mar 19 – 20, 2025Avalanche Canada
Archived · expired 2 years ago
Avalanche danger
Fri
Sat
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
Highlights
Caution as you transition into wind effected terrain.
Avalanche problems
Confidence
Moderate
Avalanche Summary
Two small (size 1) wind slabs were reported since Monday.
Snowpack Summary
35 to 50 cm of snow overlies a supportive crust.
Two weak layers of surface hoar and/or faceted grains associated with a crust from late January and mid-February may be found 80 to 100 cm deep.
The mid and lower snowpack is well settled and strong.
Weather Summary
Wednesday night
Cloudy with 5 to 10 cm of snow. 30 to 50 km/h south ridgetop wind. Treeline temperature -5 °C.
Thursday
Mostly cloudy. 20 to 40 km/h southwest ridgetop winds. Treeline temperature -5 °C.
Friday
Mostly cloudy with 5 to 10 cm of snow. 40 to 60 km/h south ridgetop wind. Treeline temperature -5 °C.
Saturday
Mix of sun and cloud. 20 t0 40 km/h west ridgetop wind. Treeline temperature -6 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.