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Archived

Avalanche Forecast

Dec 27th, 2024–Dec 28th, 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
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

Regions: Flathead, Lizard, Lizard-Flathead.

7:20 AM Update: Heavy snowfall continues, meaning storm slabs are likely reactive to riders. Conservative terrain travel is recommended.

Confidence

Moderate

Avalanche Summary

On Friday, explosive control near Fernie produced several size 1-2 storm slabs from northeast alpine terrain.

If you head out in the backcountry, let us know what you are seeing by submitting a MIN report!

Snowpack Summary

Continued snowfall adds 25 cm more snow overnight in some areas. Accompanying southwest wind will redistribute this new snow, forming deeper deposits on leeward slopes at higher elevations.

Below the new snow, a thick melt-freeze crust exists below approximately 1500 m.

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

Snow depths at treeline range from 120 to 180 cm.

Weather Summary

Friday Night

Cloudy with up to 5 cm of new snow - local enhancements up to 25 cm. 20 to 50 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Saturday

Cloudy with 7 to 15 cm of new snow. 30 to 60 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Sunday

Cloudy with up to 5 cm of new snow. 5 to 15 km/h northeast ridgetop wind. Treeline temperature -5 °C.

Monday

Cloudy with up to 3 cm of new snow. 10 to 30 km/h west ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.

Avalanche Problems

Storm Slabs

Recent snowfall and southwest winds have formed fresh storm slabs that will be deepest and most reactive in wind-loaded areas.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2.5