Avalanche Forecast

Issued: Dec 16th, 2024 4:00PM

The alpine rating is low, the treeline rating is low, and the below treeline rating is below threshold.

Avalanche Canada Avalanche Canada, Avalanche Canada

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It's a good time to explore avalanche terrain.

Keep in mind small, isolated avalanches are still possible with low hazard and can have serious consequences on steep features.

Summary

Confidence

Moderate

Avalanche Summary

A rider was caught in a size 1.5 wind slab avalanche in White Pass on Sunday. Check this MIN for full details.

Small avalanches are still possible with low hazard. Keep in mind small avalanches can have serious consequences on steep features. It's important to stay alert and continue to use good travel habits in avalanche terrain.

Observations have been limited. Please consider sharing your observations through the Mountain Information Network.

Snowpack Summary

5 to 10 cm of very wind affected snow sits on a supportive crust. At upper elevations, deeper deposits of wind-loaded snow may exist, up to 30 cm deep. These small wind slabs are likely quite stubborn but may still be possible to trigger in isolated high elevation areas.

The remainder of the snowpack has no current layers of concern. 

The alpine snowpack depth around White Pass is approximately 180 cm, with the depth at treeline measuring around 80 cm.

Weather Summary

Monday Night

Cloudy. 20 km/h northeast ridgetop wind. Treeline temperature -13 °C.

Tuesday

Partly cloudy. 20 to 40 km/h northeast ridgetop wind. Treeline temperature -18 °C.

Wednesday

Mostly sunny. 20 to 30 km/h variable ridgetop wind. Treeline temperature -24 °C.

Thursday

Cloudy. 40 to 50 km/h northeast ridgetop wind. Treeline temperature -15 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Periods of low danger may be a good time to increase your exposure.
  • Carefully evaluate steep lines for wind slabs.
  • A hard crust on the snow surface will help strengthen the snowpack, but may cause tough travel conditions.

Valid until: Dec 17th, 2024 4:00PM

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