Lawinenlagebericht

Jasper

Mar 29 – 30, 2021
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Archiviert · abgelaufen 6 years ago

Lawinengefahr

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

Back to winter conditions for a short period, freezing levels and temperatures will rise again on Wednesday.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–3

    Recently formed wind slabs can be found in lee features near ridge crests, and in cross-loaded gullies.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1.5–3

    When in the Whistlers/Portal and Maligne regions identify and to assess the bond at this mid-pack layer.

  • Loose Dry

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

    New snow instability will heal with time, careful in steep and confined terrain

Weather Forecast

Partly cloudy skies, moderate NW ridgetop winds with freezing levels at valley bottom are forecasted for Tuesday. A few flurries with freezing levels rising to 1700m on Wednesday.

Snowpack Summary

Varied snowfall through the region. Up to 20cm settled HN in the Icefields Area. This new snow overlies previous surfaces such as hard windslab and variable crusts at TL/ALP elevations. The snow pack varies throughout the region from strong supportive snow in deeper areas to weak facetted snow in the shallow areas.

Avalanche Summary

Numerous loose dry avalanches from extreme terrain, west aspect, sz. 2-2.5 in the Weeping Wall / Mount Wilson Area.

Several windslabs, south to west aspects, sz 2-3 in the Icefields Area.

Confidence

Freezing levels are uncertain on Wednesday

Abgedeckte Regionen