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Archived

Avalanche Forecast

Dec 28th, 2023–Dec 29th, 2023
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Tutshi, Wheaton, White Pass East, White Pass West, Yukon.

Strong winds have formed wind slabs on all aspects and cross loaded slopes. Avalanche danger varies widely; avoid deep wind slabs, especially on steep terrain.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the region. Winds slabs likely remain triggerable by humans.

If you head into the backcountry please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

A recent storm deposited 50 to 70 cm of snow and was redistributed by strong southerly winds across all elevations. Winds have since shifted from the north and wind slabs are now found on all aspects and at all elevations.

The mid and lower snowpack is reported to be well settled, with a thick, well-bonded crust approximately 30 to 50 cm above the ground at elevations below 1200 m. Snow depth ranges from 75 to 200 cm across the region.

Weather Summary

Thursday Night

Cloudy with flurries up to 5 cm. Light to moderate southeast wind. Treeline temperature around -11 °C. Possible temperature inversion.

Friday

Cloudy with snowfall beginning in the pm 15-20 cm. Moderate southeast wind . Treeline temperature around -8 °C. Possible temperature inversion.

Saturday

Cloudy with snowfall expect overnight totals around 30 cm. Strong southerly wind. Treeline temperature rising to -3 °C.

Sunday

Daytime clearing with light flurries. Trace amounts of new snow. Moderate south west wind. Treeline temperature rising to -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • Watch for areas of hard wind slab on alpine features.
  • Stay off recently wind loaded slopes until they have had a chance to stabilize.

Avalanche Problems

Wind Slabs

50-70 cm of storm snow and recent shifting winds have formed wind slabs on a variety of aspects. The freshest, most reactive wind slabs may be found in atypical features in the alpine due to reverse-loading by northeast wind.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2