Avalanche Forecast
Issued: Apr 9th, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Loose Wet.
jsmith,
Avalanche Canada
20 to 30 cm of recent snow and strong wind have formed wind slabs on lee features at treeline and above.
Avoid steep, rocky, and wind effected areas where triggering slabs are more likely.
Summary
Confidence
High
Avalanche Summary
Numerous naturally triggered wind slab avalanches up to size 1.5 were reported on primarily northerly aspects in the alpine on Monday.
If you go into the backcountry, please consider submitting your observations to the Mountain Information Network.
Snowpack Summary
20 to 30 cm of recent snow and strong southwest wind have formed wind slabs on lee features at treeline and above.
The recent snow overlies a crust on all slopes except true north facing terrain at upper elevations where the previous snow remained dry.
Many areas below treeline are either snow free or have very thin snow coverage. Expect difficult travel at lower elevations.
Weather Summary
Tuesday Night
Partly cloudy. 10 to 20 km/h west ridgetop wind. Treeline temperature -4° C. Freezing level 800 m.
Wednesday
Mostly sunny. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1500 m.
Thursday
Cloudy with flurries, 10 to 15 cm snow. 40 to 50 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1200 m.
Friday
Sunny. 10 to 20 km/h southeast ridgetop wind. Treeline temperature 1 °C. Freezing level 1700 m.
Check out the Mountain Weather Forecast for additional weather information.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Avoid steep, rocky, and wind effected areas where triggering slabs is more likely.
- Be especially cautious as you transition into wind affected terrain.
- Watch for signs of instability like whumpfing, hollow sounds, shooting cracks or recent avalanches.
- Back off slopes as the surface becomes moist or wet with rising temperatures.
Problems
Wind Slabs
20 to 30 cm of recent snow and strong southwest wind have formed wind slabs on lee features at treeline and above.
Aspects: North, North East, East, West, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Loose Wet
Expect the sunshine to trigger wet loose avalanches on sunny slopes.
Aspects: East, South East, South, South West, West.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Apr 10th, 2024 4:00PM
