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Archived

Avalanche Forecast

Apr 8th, 2024–Apr 9th, 2024
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
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
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
1: Low
The avalanche danger rating below treeline will be low

A bit of new snow and wind will promote wind slab development in high elevation terrain through the day Tuesday.

Confidence

Moderate

Avalanche Summary

There have been no reports of avalanche activity in the past 2 days.

Snowpack Summary

Expect to find 5-15 cm of new snow sitting on the snow surface above 1500 m. This is likely being redistributed by primarily southwest wind in alpine and treeline lee terrain. It likely sits on a crust or moist snow except on high northerly aspects where the snow has stayed dry.

The lower snowpack is settled and well bonded.

Weather Summary

Monday Night

Cloudy with 3-10 cm snow at higher elevations. Ridgetop wind southwest 30 to 50 km/h . Treeline temperature -3 °C. Freezing level 1400 m.

Tuesday

Mainly cloudy with 2 to 5 cm of snow at upper elevations. Ridgetop wind northwest 15 to 30 km/h. Treeline temperature -2 °C. Freezing level 1500 m.

Wednesday

Mix of sun and cloud. Ridgetop wind southwest 10 to 25 km/h. Treeline temperature 1 °C. Freezing level 1900 m.

Thursday

Mix of sun and cloud. Ridgetop wind southwest 10 to 25 km/h. Treeline temperature 1 °C. Freezing level 1900 m.

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.
  • Carefully evaluate steep lines for wind slabs.
  • Wind slabs may be poorly bonded to the underlying crust.

Avalanche Problems

Wind Slabs

New snow accumulating Monday through Tuesday combined with southwest wind will build wind slabs exposed lee terrain.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5