Bollettino valanghe

Jasper

Apr 26 – 27, 2019Parks Canada
Vedi sulla mappa
Archiviato · scaduto 7 years ago

Pericolo valanghe

Sun
Mon
Alta quota
3 · Marcato
Limite del bosco
2 · Moderato
Sotto il limite
1 · Debole

In sintesi

Watch for reverse loading as the wind direction switches to the North late Saturday.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2.5

    Expect windslab on most aspects in the alpine.

  • Persistent Slabs

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

    Snow on Saturday night could increase the likelihood of triggering.

Weather Forecast

Parker Ridge:

Saturday: Cloudy with sunny periods and isolated flurries. Treeline temperature: High -5 C.

Ridge wind north: 20 km/h gusting to 75 km/h.

Freezing level: 1500 metres.

Sunday : Flurries. Accumulation: 6 cm. Treeline temperature: Low -12 C, High -6 C.

Mostly light ridge wind occasionally gusting to 35 km/h.

Freezing level: 1600 metres.

Snowpack Summary

10cm of snow is forecast for Parker Ridge on Saturday. This new snow will overly several crusts / facet layers in the upper 40cm, and a faceted layer down 70cm on shady aspects. Watch for a switch in wind direction Saturday afternoon to the north. Windslabs can be expected on most aspects in the alpine.

Avalanche Summary

Recent signs of cornice failure and wind slabs in the high alpine.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Saturday

Regioni coperte