Lawinenlagebericht

Jasper

Feb 2 – 3, 2021
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Archiviert · abgelaufen 6 years ago

Lawinengefahr

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

Periodic afternoon closures expected on Highway 93N,Tuesday. Expect delays of up to 2 hours for Avalanche Control.

Plan your travel accordingly.

Lawinenprobleme

  • Loose Dry

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

    Size and likelihood dependent on precip amounts. Previous surface faceting could make this problem more reactive.

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2.5

    Likelihood and size dependent on wind effect and precip amounts

Confidence

Forecast snowfall amounts are uncertain on Tuesday

Weather Forecast

Overnight: Continued flurries. Accumulation: 10 to 14 cm. Alpine temperature: High -3 °C. Ridge wind south: 15-35 km/h. Freezing level: 1800m.

Tuesday: Cloudy with sunny periods and isolated flurries. Risk of a thundershower? Precipitation: Trace. Alpine temperature: High -4 °C. Mostly light ridge wind occasionally gusting to 45 km/h.

Snowpack Summary

Up to a total of 30cm of storm snow accumulated by Tuesday morning. Expect to find new wind slab on lee ridge-top features and below. The new snow will overlie previously wind affected surfaces in non-sheltered areas in the alpine and below as well as widespread surface facets. Strong mid-pack in deeper areas overlies supportive basal layers.

Avalanche Summary

Patrol teams reporting variable snowfall through the forecast region. Poor visibility and no new avalanche activity reported or observed.

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