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Archived

Avalanche Forecast

Jan 10th, 2025–Jan 11th, 2025
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
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

Regions: Akamina, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West, South Rockies.

Strong winds may have created wind slabs in unexpected areas, potentially lower on the slope.

Assess for wind slab before committing to steep lines.

Confidence

Moderate

Avalanche Summary

On Thursday a large (size 2.5) wind slab avalanche was initiated using explosives and ran 600 meters in length. Elevation and aspect were not reported.

On Tuesday, a few natural size 1.5 wind slab avalanches were reported on southeast alpine slopes. See the MIN for details.

If you are headed into the backcountry please consider sharing your observations via the Mountain Information Network.

Snowpack Summary

Ongoing strong north west through to south west wind has scoured exposed slopes, transporting snow to leeward aspects. Isolated wind slabs are likely to exist on all aspects in the alpine and treeline.

At treeline and below a layer of facets over a crust, from early December, can be found down 40 to 70 cm.

The lower snowpack is generally well-settled.

Treeline snowpack depth varies significantly across the region, from 50 to over 150 cm.

Weather Summary

Friday Night

Mostly cloudy with 0 to 2 cm of snow. 30 to 60 km/h northwest ridgetop wind. Treeline temperature -9 °C.

Saturday

Mostly cloudy with 0 to 2 cm of snow. 30 to 60 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Sunday

Mostly cloudy with 0 to 2 cm of snow.. 20 to 40 km/h north ridgetop wind. Treeline temperature -7 °C.

Monday

Mix of sun and cloud with trace amounts of snow possible. 10 to 25 km/h northwest ridgetop wind. Treeline temperature -10 °C.

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.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

Avalanche Problems

Wind Slabs

Ongoing strong north west through to south west wind has scoured exposed slopes, transporting snow to leeward aspects. Isolated wind slabs are likely to exist on all aspects in the alpine and treeline.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2