Lawinenlagebericht

Waterton Lakes

Jan 9 – 12, 2018Parks Canada
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Archiviert · abgelaufen 9 years ago

Lawinengefahr

Wed
Thu
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
2 · Mässig
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Kernpunkte

Rapid change to the snowpack means rapid change to the avalanche hazard. Minimize your overhead hazard to steep slopes this week.

Lawinenprobleme

  • Loose Dry

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    1

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2
    Caution when the new snow becomes stiff and develops into a slab.

Weather Forecast

The temperature is forecasted to plummet Tuesday afternoon into the -15C to -20C range until Friday. With the drop in temperatures we are also expecting 20cm of new snow on Tuesday and into Wednesday. Winds will shift to the NE and become light during the snowfall before swinging back West and increasing to a normal blustery Waterton on Friday.

Snowpack Summary

Temperatures have been above freezing in the townsite for the last four days. This has made the snowpack moist. With dropping temperatures forecasted the surface of the snow will become a crust. This could provide a good sliding surface for the forecasted new snow. Rapid change to the snowpack typically increases avalanche hazard. 

Avalanche Summary

There have been small loose wet avalanches from steep slopes with a smooth bed surface due to the above freezing temperatures. We can expect to see an increase in avalanche activity with the forecasted snow on Tuesday and through the week. 

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Tuesday

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