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Archived

Avalanche Forecast

Dec 20th, 2023–Dec 21st, 2023
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
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
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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

Carefully assess conditions as you gain elevation. Where precipitation fell as snow, storm slabs are possible.

At low elevations, you'll find a wet and compacted snowpack.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported in this region.

If you do head into the backcountry please consider submitting observations and/or photos on the Mountain Information Network.

Snowpack Summary

Light, mixed precipitation continues. In terrain where more than 20 cm of storm snow has accumulated, small storm slabs may avalanche under the weight of a human. At treeline and below precipitation is likely to fall as rain, keeping the snow surface moist.

The mid and lower snowpack is made up of a series of crusts and rounded grains. The snowpack is generally well consolidated.

Overall, the snow depth remains shallow, creating challenging travel conditions and hiding early season hazards just below the snow surface.

Weather Summary

Wednesday Night

Cloudy. Light rain expected, snow above 1500 m. Light to moderate southwest ridgetop wind. Treeline temperature around 0°C.

Thursday

Cloudy. Light rain expected, 5-10 cm snow above 1500 m. Areas around Powell River may get moderate rain or 20 cm of snow. Moderate south or southwest ridgetop wind. Treeline temperature around 0°C.

Friday

Mostly cloudy. 20-30 cm of new snow expected above 1000 m. Strong southwest ridgetop wind overnight, becoming moderate northwest through the day. Treeline temperature around -2 °C.

Saturday

Partly cloudy. No new snow expected. Light west ridgetop wind. Treeline temperature around -5 °C. Freezing level around 500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Don't be too cavalier with decision making, storm slabs may remain sensitive to human triggering.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Be cautious of buried obstacles especially below treeline.

Avalanche Problems

Storm Slabs

Rider triggerable storm slab could form in the alpine and down into upper treeline where new precipitation may have fallen as snow.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5