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Avalanche Forecast

Archived

Mar 23rd, 2026–Mar 24th, 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, human triggered possible.

Regions

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

Avalanche danger is expected to increase through the day as new snow continues to accumulate atop a widespread crust and winds increase.

Confidence

Moderate

  • We are confident the likelihood of avalanches will increase with the forecast weather.
  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

Following last week’s widespread avalanche cycle, temperatures have dropped, and avalanche activity has been minimal. A few small (size 1) slab avalanches have been reported since Saturday, both natural and human-triggered, primarily in wind-loaded alpine terrain.

Avalanche likelihood and size are expected to increase with forecast snowfall over the coming days.

Snowpack Summary

Approximately 10 to 30 cm of new snow accumulated over the weekend, with amounts decreasing rapidly at lower elevations. Recent westerly winds have redistributed this snow in exposed alpine 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

Monday Night
Partly cloudy. 1 to 2 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1600 m.

Tuesday
Cloudy. 10 to 20 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Wednesday
Mostly cloudy. 5 to 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Thursday
Mix of sun and clouds. 2 to 5 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • 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.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

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.

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.