Avalanche Forecast
Issued: Dec 23rd, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
mconlan,
Avalanche Canada
New snow may not bond well to the old surface. Assess for slabs prior to committing to steep terrain.
Summary
Confidence
Avalanche Summary
No avalanches were reported on Thursday. Looking forward, riders could trigger wind slabs in steep terrain features in wind-exposed terrain.
Please consider submitting a MIN report if you head into the backcountry.
Snowpack Summary
Around 10 to 20 cm of new snow and southwest wind are likely forming wind slabs in lee terrain features at higher elevations. Soft snow prevails in sheltered terrain, which may not bond well to previous surfaces of sugary faceted grains and small surface hoar crystals.
The majority of the snowpack is faceted, with roughly 100 cm found at treeline.
Weather Summary
Friday Night
Cloudy with snowfall, accumulation 1 to 3 cm, 20 to 40 km/h southwest wind, treeline temperatures -9 °C.
Saturday
Cloudy with snowfall, accumulation 5 to 10 cm, 40 km/h southwest wind, treeline temperatures -5 °C.
SundayMix of sun and cloud with isolated snowfall, accumulation 2 to 5 cm, 20 km/h southwest wind, treeline temperatures -3 °C.
MondayCloudy with snowfall, accumulation 2 to 5 cm, 40 to 60 km/h southwest wind, treeline temperature -2 °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.
- Closely monitor how the new snow is bonding to the old surface.
Problems
Wind Slabs
New snow and strong wind have likely formed new wind slabs in lee terrain features at higher elevations. The new snow may not bond well to previous surfaces formed during last week's cold spell.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 24th, 2022 4:00PM
