Avalanche Forecast
Issued: Apr 21st, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
ahanna,
Avalanche Canada
Evaluate your line for pockets of wind slab, especially around ridgecrest and in extreme terrain.
Summary
Confidence
Avalanche Summary
No recent avalanche activity has been reported.
Snowpack Summary
A dusting of new snow sits over a widespread melt-freeze crust on all but high north-facing alpine terrain, where snow remains dry and wind affected.
Weather Summary
Sunday night
Cloudy with a trace of snow at upper elevations. 40 to 60 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1400 m.
Monday
Clouds clearing through the day. 20 to 40 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level rising to 1900m.
Tuesday
A mix of sun and cloud. 20 to 40 km/h southeast ridgetop wind. Treeline temperature 0 °C. Freezing level 2300m.
Wednesday
Flurries bringing up to 5 cm of snow at upper elevations. 40 to 60 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1900m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
- When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
- Pay attention to cornices and give them a wide berth when traveling on or below ridges.
Problems
Wind Slabs
Thin pockets of wind slab are possible where wind has deposited sufficient snow into lee terrain features at upper elevations. Wind slabs may be especially reactive where they sit over a crust.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 22nd, 2024 4:00PM
