Avalanche Forecast
Issued: Apr 12th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
jsmith,
Avalanche Canada
Lingering wind slabs may remain reactive to human triggers on lee aspects at treeline and above.
Watch for recently formed and reactive wind slabs as you transition into wind affected terrain.
Summary
Confidence
Avalanche Summary
No new avalanches were reported on Tuesday. However, observations are currently very limited in this region.
Observations are limited at this time of year, please consider sharing any information or photos you have on the Mountain Information Network to help guide our forecasts.
Snowpack Summary
A melt-freeze crust likely exists on all aspects below 1400 m. Above 1400 m, dry snow has likely been redistributed into deeper deposits on north-facing terrain features by strong southerly winds.
The middle and lower snowpack are strong and well-bonded.
At lower elevations, the snowpack was recently rain soaked.
Weather Summary
Wednesday night
Mostly cloudy / 10 km/h southwest ridgetop wind / Temperature at treeline around -3 C / Freezing level 700 m
Thursday
Cloudy with isolated flurries; 3-10 cm / 10 km/h southwest ridgetop wind / Temperature at treeline around 0 C / Freezing level 1000 m
Friday
Mix of sun and cloud / 30 km/h south ridgetop wind / Temperature at treeline around 2 C / Freezing level 1300 m
Saturday
Snow(rain below 1000m); 10-20 cm / 50 km/h south ridgetop wind / Temperature at treeline around 2 C / Freezing level 1300 m
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.
- Avoid steep, rocky, and wind effected areas where triggering slabs is more likely.
- Pay attention to cornices and give them a wide berth when traveling on or below ridges.
Problems
Wind Slabs
Lingering wind slabs may remain reactive to human triggers on lee aspects at treeline and above.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Apr 13th, 2023 4:00PM
