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Avalanche Forecast

Archived

Mar 18th, 2026–Mar 19th, 2026

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

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

Recent snowfall amounts throughout the region have been variable; up to 80 cm of storm snow has been redistributed into deep deposits on north and east aspects. Ongoing rain has saturated the upper snowpack below treeline. A thick crust from earlier this month can be found down 50 to 80 cm at treeline and below.

The early February crust, with facets above it, can be found down 150 cm.

The remainder of the snowpack is well settled and bonded.

Weather Summary

Wednesday Night
Mostly cloudy. 5 to 10 cm of snow at treeline, rain at lower elevations. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1800 m.

Thursday
Mostly cloudy. 1 to 15 cm of snow at treeline, rain at lower elevations. 50 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

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

Saturday
Mix of sun and clouds. 2 to 10 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -7 °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.
  • Avoid avalanche terrain during periods of heavy loading from new snow, wind, or rain.
  • 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.