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Archived

Avalanche Forecast

Dec 20th, 2024–Dec 21st, 2024
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: East Kakwa, Kakwa, McGregor, North Rockies, Pine Pass, Renshaw, Robson, Sugarbowl, Tumbler.

Watch for newly formed wind slabs as you get above the trees.

The best and safest riding will be in areas sheltered from the wind.

Confidence

Low

Avalanche Summary

No new avalanches were reported on Thursday.

On Wednesday there were reports of small dry loose avalanches. No slabs were reported.

Data is very limited in this region. Please submit a report on the Mountain Information Network. Even a simple photo is a huge help to other backcountry users.

Snowpack Summary

Last night's snowfall of 10 to 20 cm brings totals to 30 to 50 cm of snow above a melt-freeze crust from early December. Lower amounts will be found on the eastern slopes. At upper elevations, wind has likely redistributed snow to lee features.

There are no deeper layers of concern.

Data is very limited in this region.

Weather Summary

Friday NightCloudy with up to 5 cm of snow. 40 to 70 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1700 m.

SaturdayMostly cloudy. 30 to 50 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1900 m.

Sunday

Sunny. 40 to 60 km/h south ridgetop wind. Treeline temperature -2 °C.

Monday

A mix of sun and cloud with up to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Expect slab conditions to change drastically as you move into wind-exposed terrain.

Avalanche Problems

Wind Slabs

Watch for deeper and more reactive deposits of snow around ridges and in lee features.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2