Bulletin d’avalanche

Jasper

Dec 6 – 7, 2016Parks Canada
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Archivé · expiré 10 years ago

Danger d’avalanche

Tue
Wed
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Arctic air has arrived. Stay warm.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    This condition would be found mainly on open lee slopes or cross-loaded gullies. Avoid traveling through or underneath these features.

Weather Forecast

Tuesday and Wednesday will be -18 to -30, sunny, light NE to NW winds, and no precipitation. Thursday will be mixed cloud and -20 with light flurries in the evening into Friday. 

Snowpack Summary

On Saturday night we received 10-20cm new snow with ridge-top snow transport and cross loading on Sunday. Winds have shifted light Northerly. Wind slabs 50+cm on some open features at TL and above. Nov 12 crust is exposed in open Alpine features on the windward side and down 40 to 70cms or more in the lee. Temperature gradient promoting facetting.

Avalanche Summary

No patrol Monday. Sunday's Icefield's patrol observed several loose dry activity on solar aspects. 2300 to alpine small windslabs 24-48 hrs old.

Confidence

The weather pattern is stable

Régions couvertes