Bollettino valanghe

Jasper

Mar 22 – 23, 2012Parks Canada
Vedi sulla mappa
Archiviato · scaduto 15 years ago

Pericolo valanghe

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

In sintesi

A skier remotely triggered a size 3 avalanche today in the Portal creek drainage from 300m away, deep instabilities remain in the snowpack.

Problemi valanghivi

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    2–4
    The buried surface hoar layer remains a concern in areas that have not recently avalanched. Variable winds have made judging bridging strength/depth a difficult task. Solar effect will weaken the bridging effect of the slab on exposed slopes.

  • Storm Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–3
    Recent mod-strong alpine winds have formed slabs and large cornices on lee slopes. Cornices anchors are weakened by solar radiation, especially along rocky, wind-exposed ridges. Cornice failure and windslab avalanches may trigger deeper layers.

  • Loose Wet

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2
    Surface snow is responding to the strong solar radiation effect that happens in March and April. Ice climbers should also be wary of large pillows of snow still overhanging routes on solar aspects.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain

Regioni coperte