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Archived

Avalanche Forecast

Nov 24th, 2024–Nov 25th, 2024
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

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

Remain vigilant in steep terrain; small avalanches may still be triggerable on wind-loaded slopes.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been observed.

Early season reports have been extremely limited. Please consider helping forecasters and your backcountry community by submitting your observations to the Mountain Information Network.

Snowpack Summary

Previous and forecast strong winds from variable directions have moved and changed the surface snow at all elevations.

Expect to find widespread sastrugi snow in open exposed areas, and hard wind slabs on leeward slopes.

The lower snowpack is generally strong, with the potential for various crusts at the base.

Snow depths are highly variable across the region with approximately 50 cm around treeline, and up to 100 cm in wind-loaded locations in the alpine.

Weather Summary

Sunday Night

Mostly clear. 25 to 45 km/h southwest ridgetop wind. Treeline temperature -17 °C with a temperature inversion of -5 °C above 1500 m..

Monday

Cloudy with 0 to 3 cm of snow. 55 to 65 km/h southwest ridgetop wind. Treeline temperature -12 °C

Tuesday

Cloudy with 1 to 3 cm of snow. 15 to 20 km/h southwest ridgetop wind. Treeline temperature -12 °C.

Wednesday

Cloudy with 0 to 2 cm of snow. 30 km/h northeast ridgetop wind. Treeline temperature -15 °C

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for slabs before you commit to it.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Watch for areas of hard wind slab on alpine features.

Avalanche Problems

Wind Slabs

Strong southwesterly winds are expected to start overnight Sunday. While there is not much snow available to be blown, some thin fresh windslabs may form on lee features.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5