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
10 to 20 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
Moderate
Avalanche Summary
A skier triggered size 1 wind slab avalanche was reported on a north aspect in the alpine on Monday.
If you go into the backcountry, please consider submitting your observations to the Mountain Information Network.
Snowpack Summary
10 to 20 cm of recent snow and strong south wind have formed wind slabs on lee features at treeline and above.
Below the recent snow is a crust everywhere except true north facing terrain at upper elevations.
The facet/crust layer that produced large avalanches during early March is down 80 to 150 cm. It is currently considered to be dormant in most locations.
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 -7° C. Freezing level 700 m.
Wednesday
Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1700 m.
Thursday
Mostly cloudy with isolated flurries, 0 to 3 cm snow. 30 to 40 km/h south ridgetop wind. Treeline temperature -2 °C. Freezing level 1600 m.
Friday
Sunny. 10 to 20 km/h south ridgetop wind. Treeline temperature 2 °C. Freezing level 2000 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
10 to 20 cm of recent snow and strong south 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
