Bollettino valanghe

Jasper

Dec 28 – 29, 2013Parks Canada
Vedi sulla mappa
Archiviato · scaduto 13 years ago

Pericolo valanghe

Sat
Sun
Alta quota
4 · Forte
Limite del bosco
3 · Marcato
Sotto il limite
2 · Moderato
Apri la mappa completa

In sintesi

Some new snow is on the way. This will surely overload deep persistent slab and basal weakness.  Conservative route selection and avoidance of big terrain in the alpine is advised. Have a safe and happy holiday season!

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely - Possible
    Dimensione
    1–2
    New snow and winds will contribute to wind slab development.

  • Deep Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    2–3
    Expect this layer to get overloaded if forecast snowfall amounts materialize.

Weather Forecast

Snow and cooling temperatures are expected in the Icefields area.  Localized areas may see up to 20 cms.

Snowpack Summary

No significant precipitation over the last week (1mm in past 72 hours / 5mm past 7 days). Snowpack is generally shallow, weak, with a variably distributed deep persistent slab overlying weak basal layers of depth hoar, crusts, and/or facets. A steady southwest flow has created pockets of windslab in exposed areas at treeline and above.

Avalanche Summary

1 new natural slab avalanche observed today in the alpine on a Southwest aspect - size 2. Likely ran on basal weakness. Numerous natural slab avalanches to size 2.5 observed in the past week, primarily on cross loaded gully features in the alpine.

Confidence

Intensity of incoming weather systems is uncertain

Regioni coperte