Lawinenlagebericht

Banff Yoho Kootenay

Dec 6 – 7, 2012Parks Canada
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Lawinengefahr

Thu
Fri
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
1 · Gering
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Kernpunkte

Avalanche Control planned for Thursday for the Sunshine Ski Area access road paths. Please no climbing or skiing in this area. LP

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    2–3
    The past 2 days, strong SW winds have hammered the region leaving widespread reactive hard and soft slabs in the alpine & treeline.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–3
    Despite the new load from wind and snow, no new avalanches have been reported on this layer. Consider this layer and recent additional load in your terrain choices.

Weather Forecast

Winds taper tonight and will be light westerly with very light precipitation, if any, for next couple of days. Mid mountain temperatures will be cooler (-12C for highs and overnight lows of -20C).

Snowpack Summary

Over the past 8 days we've received up to 66 cm (Sunshine region), less East of the divide.  We've been hammered by very strong SSW winds leaving widespread soft and hard surface slabs in it's wake, particularly on the E. side of the divide. The Nov crust in the bottom third of the snowpack remains concern, especially after the recent load of snow.

Avalanche Summary

Surprisingly little slab activity reported or observed today. Some storm soft slabs to size 2 were reported along HWY 93 N.  A size 2 came off Bourgeau Left ice climb yesterday evening and again today.

Confidence

Due to the number of field observations

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