Wind Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
Warm temperatures may increase the likelihood of triggering slabs, especially in steep, rocky, alpine terrain.
Avalanche forecast
View on mapCoquihalla
Apr 13 – 14, 2025Avalanche Canada
Archived · expired last year
Avalanche danger
Tue
Wed
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
Highlights
Cornice falls may trigger large avalanches on slopes below.
Avoid traveling on slopes below cornices and give them a wide berth while traveling on ridetops.
Avalanche problems
Cornices
NNEESESSWWNW- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1.5–2.5
Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.
Confidence
Moderate
Avalanche Summary
No new avalanches were reported on Saturday.
NOTE: Observations are currently very limited in this region.
Snowpack Summary
Up to 15 cm of recent snow in the alpine and strong variable wind may have formed small wind slabs on a variety of aspects at upper elevations. The recent snow sits on top a crust.
Recent snow amounts taper quickly with elevation.
The snowpack is generally well-settled and strong.
Lower elevations are melting out rapidly.
Weather Summary
Sunday Night
Mostly clear. 5 to 10 km/h south ridgetop wind. Treeline temperature 4 °C. Freezing level 2500 m.
Monday
Mix of sun and cloud. 10 to 20 km/h south ridgetop wind. Treeline temperature 7 °C. Freezing level 2600 m.
Tuesday
Sunny. 10 to 20 km/h west ridgetop wind. Treeline temperature 5 °C. Freezing level 2400 m.
Wednesday
Sunny. 10 to 20 km/h north ridgetop wind. Treeline temperature 2 °C. Freezing level 1900 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Avoid travelling on slopes below cornices.
- Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.
- Back off slopes as the surface becomes moist or wet with rising temperatures.