Bollettino valanghe

Jasper

Apr 24 – 25, 2019Parks Canada
Vedi sulla mappa
Archiviato · scaduto 7 years ago

Pericolo valanghe

Fri
Sat
Alta quota
2 · Moderato
Limite del bosco
1 · Debole
Sotto il limite
1 · Debole
Apri la mappa completa

In sintesi

Watch for building wind slabs in the alpine.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–2

    Continued winds Tuesday redistributed recent storm snow to lee features combined with new snow, and warm temperatures.

  • Persistent Slabs

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

    New load with warm temps could increase the likelihood of triggering.

  • Loose Wet

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–1.5

    Cooling weather on Wednesday should keep the snow cold. Watch out for sunny periods and slopes catching the sun.

Confidence

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

Weather Forecast

Parker Ridge:

A mix of sun and cloud.

Precipitation: Nil.

Alpine temperature: High -2 C.

Ridge wind west: 10-20 km/h.

Freezing level: 2100 metres.

Snowpack Summary

Ongoing moderate to strong westerly winds have created fresh wind slabs in immediate lee features. This snow now overlies several crusts / facet layers in the upper 40cm, and a faceted layer down 70cm on shady aspects. Expect unsupportive slush at lower elevations (below treeline).

Avalanche Summary

Recent whumfing in low angle alpine terrain.

1 size 1.5 Steep N aspect alpine, cornice triggered windslab that appears to have stepped down to a persistent layer.

Regioni coperte