Bollettino valanghe

Jasper

Mar 17 – 18, 2014Parks Canada
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Archiviato · scaduto 13 years ago

Pericolo valanghe

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

In sintesi

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2
    Wind slabs can be found on sheltered lee aspects in the alpine and if triggered could step down and release a larger slide.

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    1–3
    Where wind slabs overly the February 10th facet layer very touchy conditions exist at tree-line and is borne out by numerous avalanche incidents in the last few days. The frequency of slabs stepping down to a deeper layer has increased dramatically.

  • Loose Dry

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2
    The 35cm of snow that fell in the last day has been observed to travel far and fast when it fails. Loose snow slides are likely with any solar affect particularly at lower elevations.

Weather Forecast

Cooling trend with a few flurries before the next pulse of snow arrives on Wednesday night.

Snowpack Summary

The Columbia Icefields received 35cm of low density snow over the weekend. Prior to that the alpine was found to be scoured old snow or hard windslabs.

Avalanche Summary

Field patrols today observed the debris of 3 large avalanches from the weekend cycle. Failure layers appeared to be the February 10th layer on one and the basal facets on the other two larger slides which had been triggered by cornice collapse.

Confidence

Regioni coperte