Avalanche forecast

Kootenay Boundary

Apr 6 – 7, 2018Avalanche Canada
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Avalanche danger

Sun
Mon
Alpine
3 · Considerable
Treeline
2 · Moderate
Below
2 · Moderate
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Highlights

Snow is forecasted for Saturday with associated strong winds. Be cautious of periods of rapid precipitation or wind loading, as avalanche activity may increase.

Avalanche problems

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2
    Snowfall on Saturday with strong southerly winds will form new slabs. Observe for the bond of new snow with the old surface before committing into avalanche terrain.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Precipitation may fall as rain at low elevations. Watch out during your egress, particularly in steep and gullied terrain, where small avalanches can build and have severe consequences.

Confidence

Moderate - Intensity of incoming weather systems is uncertain

Weather Forecast

SATURDAY: Cloudy with snowfall, accumulation 10 to 15 cm, moderate southerly winds, alpine temperature -2 C, freezing level 1600 m.SUNDAY: Mostly cloudy with early-morning snowfall, accumulation 5 to 10 cm, light westerly winds, alpine temperature -2 C, freezing level 1600 m.MONDAY: Partly cloudy, light southwesterly winds, alpine temperature -1 C, freezing level 1800 m.

Avalanche Summary

Small loose wet avalanches were naturally triggered on Thursday in steep alpine terrain.

Snowpack Summary

Up to 10 cm of storm snow overlies settled snow from last weekend. A 5 cm thick crust is found around 40 cm deep on all aspects and elevations, except above 1900 m on north slopes.The snowpack below this is generally well-settled and strong.

Regions covered