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Avalanche Forecast

Archived

Mar 19th, 2026–Mar 20th, 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 unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

North Rockies, East Kakwa, Kakwa, McGregor, Renshaw, Robson.

Choose low consequence terrain, and make observations as you travel.

Conditions are variable throughout the region and the avalanche danger could change with elevation and temperature.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are uncertain due to variable freezing levels.

Avalanche Summary

With heavy snow and rain, a natural avalanche cycle started on Monday and continued into Wednesday. The reported avalanches have been large to very large (as big as size 4). These avalanches have been a mix of slab and loose, dry and wet.

Looking forward, we expect natural avalanches to start tapering off as the temperature drops, which will happen first in the north end of the forecast area.

Snowpack Summary

Recent snowfall amounts throughout the region have been variable; 25 to 50 cm of settling storm snow has been redistributed into deep deposits on north and east aspects in the alpine. Ongoing rain has saturated the upper snowpack at and below treeline, with moist surface snow continuing into the alpine, as high as 2000 m.

A thick crust buried earlier in March can be found down 50 to 80 cm at treeline and below.

The early February crust, with facets above it, can be found down 100-160 cm.

The remainder of the snowpack is well settled and bonded.

Weather Summary

Thursday Night
Mostly cloudy. 5-10 cm of snow. 25-50 km/h southwest ridgetop wind, falling to 15-30 km/h through the night. Freezing level between 1200 and 1700 m.

Friday
Cloudy. 15-25 cm of snow or moderate rain. 40-60 km/h southwest ridgetop wind. Freezing level 1300 to 2000 m.

Saturday
Mix of sun and clouds. 3 to 4 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -8 °C.

Sunday
Mix of sun and clouds. 2 to 5 cm of snow. 40 km/h southwest 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.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Although avalanches are unlikely when a hard crust exists on the snow surface, the crust may pose a slip and fall 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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.