Lawinenlagebericht

Banff Yoho Kootenay

Jan 20 – 21, 2012Parks Canada
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Archiviert · abgelaufen 15 years ago

Lawinengefahr

Fri
Sat
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering

Kernpunkte

The next storm is coming and may deliver 10-15cm late Friday and Saturday, along with strong west winds. The avalanche hazard will spike, and the snowpack will need some time to readjust to the added load and warm temp's.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2
    Thin windslabs exist at treeline and in the alpine. These are faceting out with the cold temperatures, but may be triggered by riders in the next few days. An avalanche on this layer may be enough to step down to the basal facets.
  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    2–3
    Climbers should avoid Cascade Falls and Rogan's Gully this weekend. There is a large amount of snow above these routes and with the coming storm and warm temp's, natural avalanches will threaten routes with large bowls above.
  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–3
    Cold temperatures are facetting a well settled midpack which overrides a weaker facetted base. This weak base is found most places except the west side of the divide. Many thin spots exist in the alpine and treeline due to previous strong winds.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Saturday

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