Lawinenlagebericht

Banff Yoho Kootenay

Feb 26 – 27, 2012Parks Canada
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Archiviert · abgelaufen 15 years ago

Lawinengefahr

Sun
Mon
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
3 · Erheblich
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Kernpunkte

We are entering a tricky time. Evaluation of where the Valentines surface hoar exists, how much snow overlies this weak layer, and what terrain you are in will be important to avoiding an incident. Clearing skies over the weekend with light winds. SH

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2
    Moderate winds in the past few days have also created thin, but stiffer wind slab conditions 25-35 cm deep on ridgetop lee terrain. If there is no surface hoar present, these will settle out in the next few days.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    2–3
    At treeline 35-50 cm of settled storm snow sits overtop of the Valentines surface hoar, up to 90 cm in the sunshine region on lee alpine features. This problem will be slow to stabilize, and will exist for some time.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Due to the number and quality of field observations on Saturday

Abgedeckte Regionen