Avalanche forecast

Kootenay Boundary

Apr 12 – 13, 2017Avalanche Canada
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Archived · expired 9 years ago

Avalanche danger

Fri
Sat
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
1 · Low
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Highlights

New snow and shifting wind directions may create wind slabs on a variety of aspects, including slopes that are generally windward.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2
    Shifting wind directions have created fresh wind slabs on a variety of aspects.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain

Weather Forecast

THURSDAY: 10-20 cm of new snow (higher end of range in the west). Light to moderate southwesterly ridgetop winds. Freezing level around 1500m.FRIDAY: Mostly cloudy. Light Southwesterly ridgetop winds. Freezing level around 1500 m.SATURDAY: Mix of sun and cloud. Light westerly ridgetop winds. Freezing level around 1700m.

Avalanche Summary

Numerous naturally triggered loose wet avalanches to size 1.5 were reported in this region on Tuesday. Fresh wind slabs will be the primary concern on Thursday.

Snowpack Summary

New snow and shifting wind directions have created fresh wind slabs on a variety of aspects at Treeline and above. The new snow will be prone to sliding in steep terrain where it is sitting on a crust. Cornices are large in some areas and could trigger large avalanches when they fail.

Regions covered