Bollettino valanghe

Banff Yoho Kootenay

Feb 29 – Mar 1, 2012Parks Canada
Vedi sulla mappa
Archiviato · scaduto 15 years ago

Pericolo valanghe

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

In sintesi

A lot of settlement in the snowpack was heard and felt today on a ski tour in Kootenay. This kept us on well-supported, low consequence terrain. With small amounts of snow in the next few days, the tip-toeing around convex slopes will continue.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2
    Moderate winds in the past few days have also created thin, but stiffer wind slab conditions 25-35 cm deep on ridgetop lee terrain. These have been seen to step down to the Valentine layer. Several natural slides were observed off Mt Bosworth today.

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    2–3
    Stability tests on the Valentine layer in Kootenay today showed easy results, sudden planar, down 40-50cm. This is enough snow to create a large avalanche. This layer ranges from 20cm depth near Bow Summit, to 60cm near Sunshine and Yoho.

  • Deep Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–2
    Near Bow Summit yesterday, we encountered moderate, sudden collapse shears on basal depth hoar. Steep, thin areas mainly E. of the divide will be prone. Lake Louise reported recent, isolated slides triggered on surface hoar which stepped to ground.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Regioni coperte