Bulletin d’avalanche

Banff Yoho Kootenay

Feb 13 – 14, 2013Parks Canada
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Archivé · expiré 14 years ago

Danger d’avalanche

Wed
Thu
Alpin
3 · Marqué
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
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Points saillants

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    Forecasted light snowfall and strong westerly winds on Tuesday night will create fresh wind-slabs in lee terrain in the alpine.

Weather Forecast

Light snow and strong westerly winds are forecasted for Tuesday night. On Wednesday the airmass will cool and the winds will shift to north-west. Little in the way of new snow is forecasted for the end of the week. 

Snowpack Summary

If forecasted strong westerly winds on Tuesday night arrive, fresh windslabs will be created in alpine lee terrain. Where shallow the mid-pack is weak and facetted. In deeper snow country west of the divide the mid-pack remains strong. Pit at 2200 m in Kootenay Park showed Jan 6 surface hoar down 55 cm and is non reactive with compression tests.

Avalanche Summary

No recent avalanches observed or reported.

Confidence

Wind speed and direction is uncertain on Wednesday

Régions couvertes