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Archived

Avalanche Forecast

Mar 11th, 2025–Mar 12th, 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
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
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

Regions: East Kakwa, Kakwa, McGregor, North Rockies, Pine Pass, Renshaw, Robson, Sugarbowl, Tumbler.

Recent storm snow may take a bit more time to stabilize.

Confidence

Moderate

Avalanche Summary

We did not receive any new reports of avalanches on Monday. A few small to large (size 1 to 2) avalanches were triggered over the weekend within the storm snow.

Snowpack Summary

Around 30 to 60 cm of snow since Saturday overlies a hard melt-freeze crust and perhaps isolated surface hoar crystals in wind-sheltered treeline terrain. The snow may be deeper and touchier in wind-exposed lee features.

A weak layer of surface hoar and/or faceted grains buried mid-February is around 50 to 100 cm deep.

The lower snowpack is well-settled.

Weather Summary

Tuesday Night

Partly cloudy. 10 km/h southeast ridgetop wind. Treeline temperature -8 °C.

Wednesday

Cloudy with 5 cm of snow. 40 km/h east ridgetop wind. Treeline temperature -12 °C.

Thursday

Cloudy with 5 to 10 cm of snow. 20 to 30 km/h northeast ridgetop wind. Treeline temperature -13 °C.

Friday

Mostly sunny. 10 km/h southeast ridgetop wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Be careful as you transition into wind-affected terrain.
  • Be aware of the potential for large avalanches due to buried weak layers.
  • Make observations and continually assess conditions as you travel.
  • Storm slabs in motion may step down to deeper layers resulting in large avalanches.

Avalanche Problems

Storm Slabs

All the recent snow may take a bit more time to stabilize. This is particularly true where it overlies weak surface hoar crystals and in wind-exposed lee features.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1.5 - 2.5

Persistent Slabs

It remains possible that riders could trigger surface hoar and/or faceted grains that were buried mid-February, especially at high elevations where a thick crust doesn't exist above it.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3