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Archived

Avalanche Forecast

Feb 15th, 2025–Feb 16th, 2025
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Akamina, Crowsnest North, Crowsnest South, Elkford East.

Storm slabs have been reactive - start with conservative terrain and watch for signs of instability.

For the best and safest riding, seek out areas of soft snow with no wind effect.

Confidence

Moderate

Avalanche Summary

On Friday, skiers cut several small (size 1) storm slabs and dry loose avalanches near Castle Mountain. On Thursday, a skier accidentally triggered a small size 1 wind slab in a fan feature on a northeast-facing alpine slope.

Looking forward, we expect the potential for triggering small storm slabs and loose dry avalanches will remain likely.

Snowpack Summary

Up to 20 cm of very low-density new snow fell in the last storm, accompanied by light to moderate northerly wind. An additional 5 to 10 cm may fall by the end of the day Sunday. The combined storm snow overlies 20 to 40 cm of mostly faceted snow sitting on a weak layer from late January. The weak layer consists of a crust on sun-exposed slopes and a layer of surface hoar on all other aspects. The mid and lower snowpack is generally well settled.

Weather Summary

Saturday Night

Cloudy with 0 to 3 cm of snow. 5 to 10 km/h west ridgetop wind. Treeline temperature -18 °C.

Sunday

Cloudy with 4 to 8 cm of snow. 5 to 15 km/h variable ridgetop wind. Treeline temperature -15 °C.

Monday

Partly cloudy with 0 to 3 cm of snow. 5 to 10 km/h northeast ridgetop wind. Treeline temperature -16 °C.

Tuesday

A mix of sun and clouds. 15 km/h northeast ridgetop wind. Treeline temperature -18 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep your guard up as storm slabs may remain sensitive to human triggering.
  • Avoid freshly wind-loaded terrain features.
  • Use appropriate sluff management techniques.

Avalanche Problems

Storm Slabs

Storm slabs will be more reactive in lee wind-loaded areas near ridgetops.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 1.5

Loose Dry

Loose dry avalanches will be likely in steep terrain where new snow hasn't formed a slab.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely - Very Likely

Expected Size: 1 - 1.5