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Archived

Avalanche Forecast

Apr 3rd, 2024–Apr 4th, 2024
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
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

Regions: Bull, Elkford East, Elkford West, Flathead, Lizard, Lizard-Flathead, South Rockies.

New snow and strong east wind may form reactive wind slabs on lee features at treeline and above.

Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

Confidence

Moderate

Avalanche Summary

Numerous naturally triggered wet loose avalanches up to size 2 were reported on all aspects in the alpine on Tuesday.

Data is limited in this region. Please consider posting your observations to the Mountain Information Network.

Snowpack Summary

10 to 20 cm of forecast snow and strong easterly wind may form reactive wind slabs on lee features at treeline and above. The new snow overlies a crust on all aspects and elevations.

A persistent weak layer of facets are sitting on top of a second buried crust down 100 to 180 cm. This layer is unlikely to human trigger in areas where a thick crust above the weak layer is present.

Weather Summary

Wednesday Night

Cloudy with flurries, 5 to 10 cm. 20 to 30 km/h east ridgetop wind. Treeline temperature -3° C. Freezing level 1600 m.

Thursday

Cloudy with isolated flurries, 3 to 10 cm. 40 to 50 km/h east ridgetop wind. Treeline temperature -4° C. Freezing level 1600 m.

Friday

Mostly sunny. 10 to 20 km/h east ridgetop wind. Treeline temperature -1° C. Freezing level 1900 m.

Saturday

Cloudy with isolated flurries, 0 to 5 cm snow. 10 to 20 km/h north ridgetop wind. Treeline temperature -2° C. Freezing level 1700 m.

Check out the Mountain Weather Forecast for additional weather information.

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.
  • Avoid freshly wind loaded terrain features.
  • Wind slabs may be poorly bonded to the underlying crust.

Avalanche Problems

Wind Slabs

10 to 20 cm of forecast snow and strong easterly wind may form reactive wind slabs on lee features at treeline and above.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2