Avalanche Forecast
Issued: Dec 26th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
lbaker,
Avalanche Canada
Forecast wind may form fresh wind slabs on lee features at treeline and above.
Avoid steep, rocky, and wind affected areas where triggering slabs are more likely.
Summary
Confidence
High
Avalanche Summary
No new avalanches were reported in this region on Monday.
Data in this region is limited. Please consider sharing your observations on the Mountain Information Network (MIN).
Snowpack Summary
A dusting of new snow overlies a thin layer of surface hoar at treeline and below. In the alpine 10-15 cm of snow and strong southwest wind are forming wind slabs on lee features.
40 to 60 cm deep is a hard crust. Below this crust, a weak layer of surface hoar is present in some areas.
Average snowpack depths at treeline are 70-130 cm. Snow depth tapers rapidly below treeline.
Weather Summary
Tuesday Night
Partly cloudy with no precipitation, southwest alpine wind 20 to 40 km/h, treeline temperature -4 °C.
Wednesday
Mix of sun and cloud, south alpine wind 40 to 50 km/h, treeline temperature -3 °C, freezing levels rise to 1500 m through the day.
Thursday
Cloudy with isolated flurries, up to 2 cm snow, southwest alpine wind 30 to 60 km/h, treeline temperature -1 °C.
Friday
Mix of sun and cloud with isolated flurries, trace amounts of snow, southwest alpine wind 10 to 30 km/h, treeline temperature -1 °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.
- Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
- Use ridges or ribs to avoid areas of wind loaded snow.
Problems
Wind Slabs
In areas where there is still snow available for transport, forecast moderate to strong wind may form fresh wind slabs on lee features.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Dec 27th, 2023 4:00PM
