Bulletin d’avalanche

Waterton Lakes

Avalanche Canada
Voir sur la carte

Danger d’avalanche

Sat
Sun
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
Périmé — ce bulletin a expiré 5 months ago. Vous consultez des conditions passées, pas le bulletin en cours.

Points saillants

35 cm of new snow accompanied by moderate to strong winds have continued to form wind slabs in lee terrain. Keep an eye out for signs of wind effect and warming. We will have a couple days of pleasant weather prior to the Sunday's storm.

Problèmes avalancheux

  • Wind Slabs

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

    Sunday we are forecasted to receive more snowfall. In addition to current wind slabs, we will see more wind slab development with the incoming storm.

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–1.5

    Solar aspects at the height of daytime warming is where this problem will be most likely.

Confidence

High

  • The snowpack structure is well understood.

Avalanche Summary

Several dry loose avalanches, up to size 1.5, observed in the alpine.

Snowpack Summary

30 cm of recent snowfall is being redistributed by moderate SW winds into wind slabs in lee features. A widespread rain crust sits below. Under the crust is moist snow that is slowly refreezing. The mid and lower snowpack is well settled.

Weather Summary

Friday

Sunny. Alpine Low of -8 °C, High of 1 °C. SW wind gusting to 60 km/h. Freezing level at 2200 m.

Saturday

Sunny with cloudy periods. Alpine Low of 0 °C, High of 4 °C. SW wind gusting to 55 km/h. Freezing level at 2400 m.

Sunday

Up to 7 cm of snow. Alpine Low of -2 °C, High of -1 °C. SW wind gusting to 60 km/h. Freezing level at 2000 m.

Current weather forecast: Mountain Weather Forecast

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Rocks will heat up with daytime warming and may become trigger points for loose wet avalanches.

Régions couvertes