Bulletin d’avalanche

Waterton Lakes

Apr 11 – 14, 2019Parks Canada
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Archivé · expiré 7 years ago

Danger d’avalanche

Sat
Sun
Alpin
Sans niveau
Limite forestière
Sans niveau
Sous la limite
Sans niveau
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Points saillants

Incoming precipitation will increase the hazard where it falls as rain down low, and where it will form new windslabs up high.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Unlikely - Possible
    Taille
    1–2
    Strong winds and snowfall above treeline on Friday and Saturday will form new windslabs. These will become more reactive if the sun comes out.

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–1.5
    Rain on Saturday may trigger loose avalanches below treeline where snow remains.

Weather Forecast

Friday: Cloudy with sunny periods and isolated showers/flurries with a 1900m freezing level and light winds.Saturday: Showers with flurries up high, up to 10cm of new snow above treeline. Freezing level 1800m with SW winds gusting to 85km/hSunday: Cloudy with sunny periods and light gusting strong SW winds. Freezing level 1600m.

Snowpack Summary

In most areas we are seeing a typical spring snowpack with crusts breaking down in the heat of the day. If you can get above snowline, expect to see 5cm of new, wet snow on Friday and 10cm on Saturday falling as rain at lower elevations. The midpack is generally moist and well settled.

Avalanche Summary

No new recent avalanches observed.

Confidence

Régions couvertes