Wind Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
Moderate southwest wind is forming fresh wind slabs at upper elevations. In some areas slabs may be more reactive where they overlay surface hoar or a crust.
Wind will continue to build fresh wind slabs, be cautious as you transition into wind affected terrain.
Verify conditions and check for signs of instability before entering steep slopes.
Moderate southwest wind is forming fresh wind slabs at upper elevations. In some areas slabs may be more reactive where they overlay surface hoar or a crust.
Jan 5 to 7
No new avalanches have been reported.
Jan 4
Very small (0.5) avalanches were reported in the area around sun peaks at lower elevations.
If you head into the backcountry, consider sharing your observations with the Mountain Information Network.
Up to 20 cm of new snow has been accompanied by moderate southwest winds which adds to the 10 to 15 cm that has accumulated over the past few days totalling about 25 cm.
This snow may be sitting on a thin crust on steep southerly aspects, as well as surface hoar or a rime crust in isolated areas.
A mid-December crust lies 40–50 cm deep, found up to 2200 m. Additional crusts exist in the mid and lower snowpack, including a mid-November crust with facets above and below, but neither of these layers are currently a concern.
Wednesday Night
Mostly cloudy. Up to 5 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C.
Thursday
Mostly cloudy. 2 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -9 °C.
Friday
Mostly cloudy. Up to 10 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -6 °C.
Saturday
Mix of sun and clouds. 60 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1100 m.
More details can be found in the Mountain Weather Forecast.