Lawinenlagebericht

Kootenay Boundary

Mar 19 – 20, 2013Avalanche Canada
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Archiviert · abgelaufen 14 years ago

Lawinengefahr

Thu
Fri
Hochgebirge
4 · Gross
Waldgrenze
4 · Gross
Unterhalb
3 · Erheblich
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Kernpunkte

Lawinenprobleme

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Very Likely
    Größe
    1–5
    New storm slabs are likely to develop during Wednesday’s storm. Lee loaded slopes may be particularly touchy. A buried crust may provide an easy sliding surface for avalanches.

Confidence

Fair - Forecast snowfall amounts are uncertain for the entire period

Weather Forecast

Wednesday: Heavy snow (20- 35 cm). Strong SW winds. Alpine temperature near -3.Thursday: Light snow. Light SW winds. Alpine temperature near -13.Friday: Light snow. Light winds. Alpine temperature near -12.

Avalanche Summary

Numerous size 1-2 avalanches have been triggered naturally, by skiers, explosives and vehicles over the last couple of days. In most cases, the new snow was failing on the hard crust below. Many were soft slabs where the wind had shifted the snow onto lee slopes, and several were loose dry avalanches.

Snowpack Summary

Snow and wind forecast for Wednesday are expected to add to recent storm slabs, which overlie a hard supportive crust. On solar aspects, the new snow may land on a thin sun crust which formed in some areas over the last couple of days. Strong winds are likely to build touchy slabs on lee slopes. Cornices are large and fragile.

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