Lawinenlagebericht

Banff Yoho Kootenay

Dec 19 – 20, 2011Parks Canada
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Archiviert · abgelaufen 15 years ago

Lawinengefahr

Mon
Tue
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
2 · Mässig

Kernpunkte

15-30cm fell Sunday, which is making conditions touchy at higher elevations. Skiers had a close call today, causing a size 2.5 avalanche in the Lake Louise backcountry today on basal facets. Click the Facebook link below to see pictures.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–3
    Many soft wind slabs 15-30cm will be developing in lee areas that will be touchy to human triggering with increased forecast alpine winds on Monday afternoon.
  • Loose Dry

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2
    Lots of loose snow at all elevations that will spindrift heavily with any wind input, especially in gullies and climbing terrain.
  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    2–3
    The new snow load is adding stress to the snowpack that sits over basal depth hoar and facets. This will be easiest to trigger from thin areas. The Lake Louise avalanche slid on this layer to ground.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Wind speed and direction is uncertain on Monday

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