Lawinenlagebericht

Purcells

Dec 7 – 8, 2024Avalanche Canada
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Lawinengefahr

Mon
Tue
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering

Kernpunkte

New snow may not bond well to the old. Test before committing to larger terrain.

Concern remains for a weak layer near the base of the snowpack in shallow areas with facets over a crust.

Lawinenprobleme

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–1.5

    Snowfall amounts are uncertain and may change dramatically over a short distance. If you find more than 10 cm of new snow, watch out for storm slabs.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2

    Avalanches on weak faceted snow at the base of the snowpack are becoming less likely, but remain possible on steep, smooth slopes. This problem seems to be local to Invermere, but information is limited.

Avalanche Summary

No new slab avalanches have been reported. Small wet loose avalanches were triggered by riders on Thursday.

Snowpack Summary

Treeline snow depths are generally 50 to 70 cm, with deeper wind-loaded pockets in the alpine.

New snow is expected to land on a variety of different layers including sun crusts, surface hoar in sheltered areas, and wind-affected snow.

In the Invermere area, weak faceted snow at the base of the snowpack has caused several small but notable deep persistent slab avalanches.

Early-season hazards are present at all elevations. Stay alert and assess terrain carefully.

Confidence

Low

Weather Summary

Friday Night

Cloudy. 30 to 40 km/h west ridgetop wind. Treeline temperature -7 °C.

Saturday

Cloudy with 5 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Sunday

A mix of sun and cloud. 20 to 30 km/h northwest ridgetop wind. Treeline temperature -7 °C.

Monday

Sunny. 10 km/h west ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Be mindful that deep instabilities are still present in the snowpack.
  • Watch for fresh storm slabs building throughout the day.

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