Bollettino valanghe

Jasper

Jan 18 – 19, 2017Parks Canada
Vedi sulla mappa
Archiviato · scaduto 10 years ago

Pericolo valanghe

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

In sintesi

Conditions are changing in the alpine. Be cautious as you transition into wind affected terrain.

Problemi valanghivi

  • Storm Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2
    Forecasted snow amounts expected to be 10 to 30cms over the next 48 hours. New slabs expected to be touchy in lee terrain, particularly on North Easterly terrain at upper elevations.

  • Deep Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    2–3
    Concern for new snow overloading the season's weak faceted basal layers.

Weather Forecast

Precipitation to continue through the week, with amounts up to 25cm over the next 72hours. Temps cooling gradually and freezing levels sinking down to 1000m by Friday. Winds will be moderate to strong from the Southwest.

Snowpack Summary

Moist HST to 2500m ranging from 10-20cm, with heavier amounts to the South. Multiple surface and buried wind slabs overlying a variety of faceted weaknesses to ground. Extensive scouring and wind affect in the alpine.

Avalanche Summary

Only small loose slides observed out of steep rocky terrain at treeline and lower elevations. Poor visibility in the alpine today.

Confidence

Intensity of incoming weather systems is uncertain

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