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Avalanche Forecast

Archived

Mar 24th, 2026–Mar 25th, 2026

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

Regions

North Columbia, South Columbia, Clemina, Esplanade, Jordan, North Monashee, North Selkirk, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold, Whatshan.

Snowfall should ease on Wednesday, but strong alpine winds will continue. Dangerous avalanche conditions are likely to persist at higher elevations.

Confidence

Moderate

  • We are uncertain about forecast snowfall amounts.
  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

After last week’s avalanche cycle, cooler temperatures have rapidly reduced activity.

Since the weekend, several small (size 1) slab avalanches have been both human and naturally triggered in wind-loaded alpine terrain. A few large (up to size 3) slabs have also been triggered by cornice failures, both natural and explosive-controlled.

With the recent arrival of new snow and strong winds, avalanche likelihood and potential size will increase.

Snowpack Summary

As much as 50 cm of new snow has accumulated at higher elevations, with amounts decreasing rapidly at lower elevations. Strong alpine winds have redistributed this snow in exposed terrain, creating areas of deeper wind loading.

Below approximately 2200 m, a thick crust with widespread rain runnels exists beneath the new snow. Moist snow is present below this crust.

Above 2200 m, a thinner crust or moist snow may be found beneath the recent storm snow.

Deeper weak layers may persist within the snowpack, particularly at higher elevations. However, due to the overall strength and depth of the upper snowpack, these layers are considered unlikely to be triggered.

Weather Summary

Tuesday Night
Mostly cloudy. 2 to 4 cm of snow. 60 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Wednesday
Mostly cloudy. 2 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Thursday
Mostly cloudy. 5 to 10 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -9 °C.

Friday
Mix of sun and clouds. 40 km/h southwest ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded features, especially near ridge crests, rollovers, and in steep terrain.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.
  • Be alert to conditions that change with aspect and elevation.

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.

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.