Avalanche Forecast

Issued: Dec 12th, 2024 4:00PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Storm Slabs.

Avalanche Canada Avalanche Canada, Avalanche Canada

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Investigate the bond of the new snow to the old.

Buried surface hoar has been reported in the northern part of the region, but observations are limited.

Summary

Confidence

Low

Avalanche Summary

No new avalanches have been reported since before last weekend.

Please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

Thursday's snowfall dropped around 10 cm onto surface hoar crystals. Observations are few and far between so it's unknown how widespread the surface hoar is.

Below that is a thick rain-crust, down 20 to 30 cm, from late last week.

The remainder of the snowpack is strong, with various hard layers and crusts.

Weather Summary

Thursday Night

Cloudy with 5 cm of snow in the north. 20 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Friday

Mostly cloudy. 10 km/h west then east ridgetop wind. Treeline temperature -4 °C.

Saturday

Cloudy with 5 to 10 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -7 °C.

Sunday

A mix of sun and cloud with 2 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Make observations and continually assess conditions as you travel.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.

Problems

Storm Slabs

An icon showing Storm Slabs

Small storm slabs may take longer to bond as they could sit on weak surface hoar.

Aspects: All aspects.

Elevations: Alpine, Treeline.

JavaScript chart by amCharts 3.20.8

Likelihood

Possible

Expected Size

1 - 1.5

Valid until: Dec 13th, 2024 4:00PM

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