Lawinenlagebericht

Jasper

Feb 13 – 14, 2017Parks Canada
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Archiviert · abgelaufen 10 years ago

Lawinengefahr

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

Avalanche control is planned for the Icefields Parkway and Maligne Lake Road on Monday.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    1–3
    Extreme SW winds building windslab with recent storm snow.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    2–3
    Avalanches initiated within the storm snow may step down to deeper layers and in some cases gouging to ground in thin snowpack areas.

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–3
    30-40cm of storm snow has formed a touchy storm slab.

Weather Forecast

Winds easing to light on Monday with clear skies and alpine temperatures approaching 0.  Warm daytime temperatures continuing until the middle of the week then maybe some valley bottom rain showers???

Snowpack Summary

Extreme winds building windslab likely down slope of ridge-lines and on cross-loaded gulley features. A reactive storm slab can be found in sheltered locations at tree-line and on most slopes below tree-line. The new slabs and storm snow is sitting on several touchy surface hoar and facet layers over a weak base.

Avalanche Summary

Several avalanches to size 2 were observed on west facing cross-loaded features in the alpine today.

Confidence

on Monday

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