Bollettino valanghe

Banff Yoho Kootenay

Apr 2 – 3, 2019Parks Canada
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Archiviato · scaduto 7 years ago

Pericolo valanghe

Thu
Fri
Alta quota
Senza grado
Limite del bosco
Senza grado
Sotto il limite
Senza grado
Apri la mappa completa

In sintesi

Forecasters have transitioned to springtime danger ratings. Early starts and finishes are crucial. Avalanche danger relates directly to solar input and daytime warming.

Problemi valanghivi

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely
    Dimensione
    1–2
    Dry snow remains on alpine, north aspect slopes. We have not seen an avalanche regarding this problem for a while, but continue to observe the weakness in snowpack assessments. Heads up - if anywhere could release a dry slab it would be here.

  • Loose Wet

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely - Possible
    Dimensione
    1–1.5
    Likely a cooler day with forecasted cloud cover for Wed and crusts will likely remain intact for the day. Should the forecasted weather be inaccurate, monitor the solar input and daytime heating to avoid any gully features where wet snow may run.

Weather Forecast

Likely a cooler day tomorrow with some cloud to moving in this evening and building tomorrow with a few flurries expected by late afternoon.  Winds will be mostly light  SW with occasional gusts.  Avalanche danger is related directly to solar input and and warming daytime temperatures.

Snowpack Summary

The snow surface is melt-freeze crust on all areas except alpine and treeline north and east aspects where there's up to 20 cm of old soft snow.  There is still concern for a buried facet layer in the upper 30 cm of the snowpack on alpine N aspects and pockets of unconsolidated snow.

Avalanche Summary

No new avalanches were observed today. There have been several small cornice failures over the past w days associated with the warmest parts of the day.

Confidence

Regioni coperte