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Avalanche Forecast

Dec 7th, 2024–Dec 8th, 2024
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Coquihalla, Manning, Skagit.

Stick to conservative terrain on Sunday. New snow is building fresh storm slabs which may be triggered by riders.

Confidence

Low

Avalanche Summary

We are still awaiting reports from the storm. We suspect the likelihood of natural and human triggered storm slab avalanches to continue into Sunday.

If you are going out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

Storm totals of 20 to 50 cm are expected by the end of the day Sunday. The new snow is expected to bond well.

The mid and lower snowpack is generally well-settled and bonded.

Snow depths at treeline vary across the region. Around 90 cm is reported in the Coquihalla and 50 cm near Manning Park.

Weather Summary

Saturday Night

10 to 20 cm of snow. 40 to 60 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1000 m.

Sunday

5 to 15 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1000 m.

Monday

Mostly sunny. <10 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1000 m.

Tuesday

Mostly sunny. <10 km/h northwest ridgetop wind. Treeline temperature 0 °C. Freezing level 3000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Don't let storm day fever lure you into consequential terrain.
  • Stick to simple terrain features and be certain your location isn't threatened by overhead hazard.
  • Avoid freshly wind-loaded terrain features.

Avalanche Problems

Storm Slabs

New snow continues to build fresh storm slabs through the day Sunday. Storm slabs will likely be most reactive in wind-loaded terrain features.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2