Bollettino valanghe

Northwest Inland

Jan 9 – 10, 2013Avalanche Canada
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Archiviato · scaduto 14 years ago

Pericolo valanghe

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

In sintesi

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–3
    Be alert for new wind slabs behind terrain breaks such as ridges, ribs and gully walls.

  • Deep Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely - Possible
    Dimensione
    2–5
    A deeply buried facet/crust weakness exists near the base of the snowpack. This layer could be triggered by large loads such as a cornice collapse or from a thin-spot trigger point.

Avalanche Summary

Snowmobilers witnessed naturally-triggered slabs and loose dry sluffs in the Seaton Basin on Monday. We have had no reports from anyone in the field since then. Please tell us what you're seeing at [email protected]

Snowpack Summary

Light amounts of snow are sitting over a weak, faceted old snow surface, which is causing loose dry sluffing in steep terrain. In wind-affected areas, wind slabs have formed behind terrain breaks such as ridges and ribs. A strong mid-pack overlies a weak base layer of facets and the remnants of a crust.

Confidence

Fair - Due to limited field observations

Weather Forecast

Thursday: Moderate NW winds. Alpine temperature near -7. No snow.Friday: Moderate SW wind. Alpine temperature near -5. 5 cm snow, late in the day.Saturday: Light W wind. Alpine temperature near -9. Around 5 cm snow.

Regioni coperte