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Archived

Avalanche Forecast

Apr 4th, 2024–Apr 5th, 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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
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: Akamina, Crowsnest North, Crowsnest South.

20 to 25 cm of accumulated snow has developed into storm slabs. Human-triggered avalanches are more likely in lee features where east winds have helped consolidate the snow.

Confidence

Moderate

Avalanche Summary

No new avalanche activity was reported. With the forecast snow and rising freezing levels, avalanche activity is expected to increase.

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

Snowpack Summary

20 to 25 cm of accumulated storm snow has formed storm slabs at all elevations. These storm slabs may be more reactive on lee slopes from moderate easterly winds treeline and above. The new snow overlies a crust on all aspects and elevations.

A persistent weak layer of facets is 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

Thursday Night

Cloudy with snow, 10 to 15 cm. 10 to 20 km/h northeast ridgetop wind. Treeline temperature -4° C.

Friday

Cloudy with isolated flurries, 2 to 4 cm. 10 to 20 km/h east ridgetop wind. Treeline temperature -2° C. Freezing level 1900 m.

Saturday

Mainly cloudy with isolated flurries, 0 to 3 cm. 10 to 20 km/h north ridgetop wind. Treeline temperature -2° C. Freezing level 2100 m.

Sunday

Mainly cloudy with isolated flurries, 3 to 6 cm. 15 to 20 km/h west ridgetop wind. Treeline temperature -3° C. Freezing level 2000 m.

Check out the Mountain Weather Forecast for additional weather information.

Sunday

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for changing conditions today, storm slabs may become increasingly reactive.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.

Avalanche Problems

Storm Slabs

20 to 25 cm of accumulated new snow has formed a storm slab over a supportive melt-freeze crust, which may become more reactive as temperatures rise throughout the day and storm snow settles into a cohesive slab.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1.5 - 2.5