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Archived

Avalanche Forecast

Jan 21st, 2025–Jan 22nd, 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
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: Kakwa, McBride, McGregor, North Rockies, Pine Pass, Renshaw, Robson, Sugarbowl.

Some new snow combined with wind will keep wind slabs as the main concern at upper elevations.

Confidence

Moderate

Avalanche Summary

There is no new avalanche actiity to report in the past few days.

Keep posting your observations to the Mountain Information Network!

Snowpack Summary

An additional 5-15 cm falling Monday night combined with wind has been redistributed in to alpine and treeline lee terrain. On solar aspects treeline and below, the new snow overlies a variety of crusts from recent warming, sun, and rain.

We continue to track early January and early December surface hoar and crust layers down 30 to 50 cm and down 80 to 130 cm, respectively. Both are considered unlikely to trigger.

Weather Summary

Tuesday Night

Cloudy with clear breaks. 25 to 45 km/h northwest ridgetop wind. Treeline high temperature -12 °C.

Wednesday

Cloudy with sunny breaks. 25 to 50 km/h west and southwest ridgetop wind. Treeline high temperature -7 °C.

Thursday

Mainly cloudy with scattered flurries, accumulation 5-10 cm. 30 to 50 km/h northwest ridgetop wind. Treeline high temperature -4 °C.

Friday

Mix of sun and cloud. 20 to 40 km/h northwest ridgetop wind. Treeline high temperature -5 °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.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

Avalanche Problems

Wind Slabs

Recent wind slabs scattered across higher elevation terrain may remain sensitive to human triggering. Slabs may be most reactive where they have formed over a crust.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2