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Archived

Avalanche Forecast

Apr 11th, 2025–Apr 12th, 2025
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

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

Exercise caution when moving into wind-loaded terrain.

Recent snowfall and strong winds have formed small wind slabs in lee features at higher elevations.

Confidence

Moderate

Avalanche Summary

On Thursday in white pass, small (size 1) wind slab and loose dry avalanches where reported near ridge top.

If you observe an avalanche, please share your observations on the Mountain Information Network.

Snowpack Summary

Up to 15 cm of new snow is now resting on wind pressed surfaces and wind slabs in open terrain while leaving 15-25 cm of settled surface snow in sheltered areas. A melt-freeze crust covers most solar slopes as well as northerly slopes up to 1250 m.

Below 1100 m the snowpack is wet and unconsolidated.

  • A buried surface hoar or crust layer, 40 to 60 cm deep, is variable in distribution.

  • A December crust with facets, 100 to 150 cm deep on all aspects up to 1750 m, has shown no significant test results.

Snow depth ranges from 100 cm at highway elevations to over 300 cm in the alpine.

Weather Summary

Friday Night

Mostly cloudy with flurries. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -8 °C. Freezing level 0 m.

Saturday

Mostly cloudy with flurries. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -6 °C. Freezing level 500 m.

Sunday

Cloudy with up to 10 cm snow. 50 to 70 km/h south ridgetop wind. Treeline temperature -4 °C. Freezing level 900 m.

Monday

Mostly cloudy with flurries. 40 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Avalanche Problems

Wind Slabs

Watch for wind slabs near and below ridge crests as continued light snowfall and wind will promote their formation.

Aspects: North, North East, East, North West.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2