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Archived

Avalanche Forecast

Apr 7th, 2024–Apr 8th, 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
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 low avalanche hazard doesn't mean there are no avalanche hazards. Watch for wind-affected snow directly lee of ridges and high points and steer clear.

Confidence

High

Avalanche Summary

Several wet loose avalanches from steep south-facing slopes were skier triggered on Saturday.

Wind slabs are unlikely to be human-triggered. The most likely areas where wind slabs may linger are directly lee of high spots and ridge features.

Snowpack Summary

Roughly 20 cm of new snow is dry and settled on north-facing slopes and becomes moist on solar-facing slopes, covering a melt-freeze crust on all aspects and elevations.

A second crust formed in late March can also be found in the upper snowpack at variable depths depending on aspect and elevation.

A persistent weak layer of facets sits atop a second buried crust down 80 to 180 cm. This layer is unlikely to be human-triggered in areas where a thick crust above the weak layer is present.

Weather Summary

Sunday Night

Mainly cloudy, 15 to 20 km/h northwest ridgetop wind. Treeline temperature -5° C.

Monday

Mostly clear skies, increasing cloud overnight with flurries 2 to 5 cm, 20 to 30 km/h southwest wind. Treeline temperature -3° C. Freezing level 1800 m.

Tuesday

Cloudy in the morning with scattered flurries tapering in the afternoon, 2 to 4 cm. 30 to 40 km/h southwest wind. Treeline temperature 0° C. Freezing level 2000 m.

Wednesday

Partly cloudy, 10 to 15 km/h wind, treeline temperature 0° C, freezing level 2000 to 2100 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

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

Avalanche Problems

Wind Slabs

Wind slabs may continue to linger in immediate lee features in the alpine.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 1 - 1.5