Lawinenlagebericht

Waterton Lakes

Feb 20 – 23, 2022
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Archiviert · abgelaufen 5 years ago

Lawinengefahr

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

Kernpunkte

Weather models are inconsistent with forecasted snow amounts for this weekends storm. If snowfall amounts are higher than 30 cm hazard could be higher at all elevations. Investigate surfaces slabs thoroughly.

Lawinenprobleme

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    1–2

    10-20 cm of snow with strong winds tapering off through the storm will create reactive storm slabs atop hard pressed surfaces. Evaluate storm slabs continuously as they build throughout Sunday.

Weather Forecast

Tonight: Flurries, accumulation 7 cm. Light gusting to strong SW winds. Low -7.

Sun: Flurries, accumulation 6 cm. Light NE ridge top winds. Alpine temps high -11.

Mon: Cloudy with sunny periods and isolated flurries. Moderate NE winds. Alpine temps high -23, low -28.

Tues: Cloudy with sunny periods. Light NE winds. Alpine temps high -26, low -30.

Snowpack Summary

10-20 cm of snow is forecasted for Sat night through Sun. This will overlie pressed surfaces and hard windslabs from extreme SW winds. A melt freeze crust up to 2000m and higher on solar aspects is found 30-50 cm down, no failures in test on this layer. Well settled midpack. Dec 4 crust, buried 150-200 cm.

Avalanche Summary

No recent avalanches observed. If you go out on an adventure be sure to share your experience and snowpack information on the Mountain Information Network, we really appreciate any observations.

Confidence

Intensity of incoming weather systems is uncertain

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