Bollettino valanghe

Jasper

Mar 29 – 30, 2021
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Archiviato · scaduto 6 years ago

Pericolo valanghe

Wed
Thu
Alta quota
3 · Marcato
Limite del bosco
2 · Moderato
Sotto il limite
1 · Debole

In sintesi

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

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–3

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

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely - Possible
    Dimensione
    1.5–3

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

  • Loose Dry

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    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

Regioni coperte