Bulletin d’avalanche

Jasper

Nov 12 – 13, 2020
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Archivé · expiré 6 years ago

Danger d’avalanche

Fri
Sat
Alpin
2 · Modéré
Limite forestière
1 · Faible
Sous la limite
Sans niveau
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Points saillants

Early season hazards are very present at the moment. Watch out for wind slabs in unexpected places due to variable winds. 

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2

    Variable winds may have created pockets of wind slab in unexpected locations

Weather Forecast

Thursday:

Mainly cloudy with isolated flurries.

Precipitation: Trace.

Alpine temperature: High -10 °C.

Ridge wind southwest: 20-40 km/h.

Freezing level at valley bottom.

Snowpack Summary

Treeline has a snowpack of 40-50cm with overall supportive travel. 5cm of recent snow has settled quickly.  The Nov. 4th rain crust exists up to 2600m depending on location in the forecast area. Variable winds in the past 72 hrs have formed wind slabs on all aspects at ridge top. 

Avalanche Summary

No new avalanches have been reported.

Confidence

Due to the number of field observations

Régions couvertes