Avalanche forecast

Kootenay Boundary

Apr 10 – 11, 2022Avalanche Canada
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Avalanche danger

Tue
Wed
Alpine
1 · Low
Treeline
1 · Low
Below
1 · Low
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Highlights

Check for pockets of wind slab around steep and high-consequence features.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–1.5

    Easterly winds Monday could build fresh slabs in less common areas. Check for reactive slabs around steep and high-consequence slopes.

Confidence

Moderate - Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.

Weather Forecast

Sunday night: Blustery with isolated flurries ending early morning, trace to 5 cm. Light southwest wind. Ridgetop low -9 C.

Monday: Mostly cloudy with sunny breaks. Moderate and increasing east-northeast wind. Ridgetop high -2 C.

Tuesday: Mostly cloudy. Moderate east wind. Ridgetop high -5 C.

Wednesday: Mostly cloudy with sunny breaks. Moderate east wind. Ridgetop high -4 C.

Avalanche Summary

Wednesday through Friday, rapid warming triggered several wet loose and wet slab avalanches to size 1.5 around the region. The snowpack has since cooled and avalanche activity is unlikely, but re-frozen debris could be a real travel hazard.

Snowpack Summary

A dusting of up to 15 cm has covered a crust on all aspects and elevations. Wind has redistributed loose snow into gullies and depressions with pocket wind slabs below steep, open features.

Multiple crusts exist in the upper snowpack. The mid and lower snowpack are well settled.

Terrain and Travel

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

Regions covered