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Archived

Avalanche Forecast

Dec 14th, 2024–Dec 15th, 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
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: Flathead, Lizard, Lizard-Flathead, Moyie, St. Mary.

Watch where the wind is dropping snow. This is where you'll find wind slabs.

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

Confidence

Moderate

Avalanche Summary

Several small (size 1 to 1.5) storm slabs were triggered near Fernie on Saturday.

Snowpack Summary

Up to 15 cm of new snow fell accompanied by strong southwest wind forming larger deposits on north and east aspects. In sheltered terrain, this new snow could overlie surface hoar.

Another layer of surface hoar and/or crust can be found down 20 to 40 cm. Where this crust is thin or not present a layer of surface hoar may be found.

Check out this MIN from the Purcell side of this region and this one from the Fernie area.

The middle of the snowpack is generally expected to be well-settled and stable. Total snow depths vary from 100 to 150 cm at treeline.

Weather Summary

Saturday Night

Cloudy. 40 to 60 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Sunday

Cloudy with 1 to 2 cm of snow. 30 to 40 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday

Mostly cloudy with up to 5 cm of snow. 15 to 30 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Tuesday

Mostly cloudy. 20 to 30 km/h west ridgetop wind. Treeline temperature -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the old surface.
  • Be careful as you transition into wind-affected terrain.
  • Make observations and continually assess conditions as you travel.

Avalanche Problems

Wind Slabs

A new wind slab problem could build throughout the day. Where slab properties are not observed dry loose avalanches are possible.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5