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Avalanche Forecast

Archived

Mar 2nd, 2026–Mar 3rd, 2026

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

Northwest Coastal, Boundary, Kitimat, Rupert, Stewart.

Ongoing snow and wind are forming fresh storm slabs, further stressing weak layers deep in the snowpack. Very dangerous conditions persist, especially during heavy snow or strong winds.

Confidence

Moderate

  • We are confident the likelihood of avalanches will increase with the forecast weather.
  • We are uncertain due to how buried persistent weak layers will react with the forecast weather.

Avalanche Summary

A widespread natural cycle to size 3 occurred recently, with most activity on north through east aspects at treeline and alpine elevations. Avalanches ran within the storm snow and on buried weak layers.

Natural avalanche activity remains likely with ongoing snow and strong winds.

Snowpack Summary

Strong southwest winds and ongoing snowfall continue to build widespread storm and wind slabs, especially at higher elevations.

Since early February, new snow has buried (and continues to load) a variety of old surfaces, including surface hoar, facets, and crusts. This weak layer is most likely in wind-sheltered terrain and is buried roughly 90 to 180 cm deep.

Below this layer, the remaining snowpack is generally well settled and well bonded.

Weather Summary

Monday Night
Cloudy. 3 to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Tuesday
Cloudy. 5 to 15 cm of snow. 50 km/h south ridgetop wind. Treeline temperature -1 °C.

Wednesday
Mostly cloudy. 10 to 25 cm of snow at treeline and rain below treeline. 50 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Thursday
Mostly cloudy. 5 to 15 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °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.
  • Avalanches could start at higher elevations and travel into below treeline terrain.
  • Remote triggering is a concern; avoid terrain where triggering overhead slopes is possible.

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.