Avalanche Forecast

Issued: Apr 11th, 2024 4:00PM

The alpine rating is moderate, the treeline rating is low, and the below treeline rating is below threshold. Known problems include Wind Slabs.

Avalanche Canada mconlan, Avalanche Canada

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

Wind slabs may be found at higher elevations. Head to wind-sheltered terrain for the best riding.

Summary

Confidence

Moderate

Avalanche Summary

We haven't received any reports of recent avalanches. Looking forward, we expect that riders could trigger newly formed wind slabs in wind-loaded alpine terrain.

Please consider sharing your observations to the Mountain Information Network.

Snowpack Summary

The alpine has received upwards of 45 cm of snow over the past few days, with more forecast for Friday. Strong southwest wind is also forecast, which may redistribute the snow to cross-loaded and lee terrain features. Wind-protected areas surfaces remain soft.

Cornices are large and looming at this time of year.

Weather Summary

Thursday Night

Cloudy with 1 to 3 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Friday

Cloudy with 2 to 10 cm of snow with the most expected around White Pass. 50 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Saturday

Cloudy with 2 to 10 cm of snow with the most expected around White Pass. 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Sunday

Cloudy with 2 to 5 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Wind slabs are most reactive during their formation.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Problems

Wind Slabs

An icon showing Wind Slabs

Strong southwest wind is forecast for Friday with some new snow, which may form slabs in wind-exposed terrain. Assess for slab development and seek sheltered terrain for the softest riding.

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

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Apr 12th, 2024 4:00PM

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