Lawinenlagebericht

Coquihalla

Dec 29 – 30, 2025Avalanche Canada
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Archiviert · abgelaufen 9 months ago

Lawinengefahr

Wed
Thu
Hochgebirge
2 · Mässig
Waldgrenze
1 · Gering
Unterhalb
1 · Gering

Kernpunkte

Snow is available for transport. Moderate winds will build wind slabs at upper elevations.

Actively look for signs of instability and don't commit to steep slopes if the snow feels dense.

Lawinenprobleme

  • Wind Slabs

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

    Low density snow and forecasted moderate wind has formed a wind slab problem that continues to be possible to human trigger. Expect wind loading, and danger to be greatest in open, higher elevation terrain.

Confidence

Moderate

  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No new avalanches reported.

Low density snow is available for transport, we suspect that small wind slabs may build with the forecasted moderate west winds. Human triggering is possible.

Snowpack Summary

Cold, low-density snow has been redistributed by moderate westerly wind, developing wind slabs at upper elevations.

Consecutive storms have accumulated up to 130 cm of settling snow over a crust formed during the warm-up and buried on December 16th.

Snow depths at treeline range widely, from 100 to 300 cm as a result of wind redistribution.

Weather Summary

Sunday Night
Mostly cloudy. 30 km/h west ridgetop wind. Treeline temperature -5 °C.

Monday
Mix of sun and clouds. 30 km/h west ridgetop wind. Treeline temperature -3 °C.

Tuesday
Mix of sun and clouds. 30 km/h southwest ridgetop wind. Treeline temperature 3 °C.

Wednesday
Mostly sunny. 30 km/h southwest ridgetop wind. Treeline temperature 2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Carefully evaluate steep lines for wind slabs.

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