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Avalanche Forecast

Archived

Mar 17th, 2026–Mar 18th, 2026

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

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

Choose low consequence terrain.

Conditions are variable throughout the region, conservative decision making is the answer to this uncertainty.

Confidence

Low

  • We are uncertain about forecast rain amounts.
  • We are uncertain due to a limited number of field observations.

Avalanche Summary

A  natural avalanche cycle started on Monday but  observations have been limited in this region due to poor visibility. Avalanches have been observed up to size 3 in the northern part of the region.

Snowpack Summary

Ongoing rain will saturate the upper snowpack below treeline. At treeline and above, 40 to 70 cm of storm snow will continue to be redistributed by strong southwest wind, forming deep deposits on north and east aspects. A thick crust from earlier this month can be found down 40 to 80 cm at treeline and below.

Another crust, with facets above it, can be found down 150 cm.

The remainder of the snowpack is well settled and bonded.

Weather Summary

Tuesday Night
Cloudy. 10 to 20 cm of snow at treeline, rain at lower elevations. 60 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1700 m.

Wednesday
Cloudy. 5 to 10 cm of snow at treeline, rain at lower elevations. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

Thursday
Cloudy. 10 to 25 cm of snow at  treeline, rain at lower elevations. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

Friday
Cloudy. 10 to 25 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid avalanche terrain during periods of heavy loading from new snow, wind, or rain.
  • Use increased caution at all elevations. Storm snow is forming touchy slabs.
  • Avoid areas with overhead hazard.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.