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Avalanche Forecast

Archived

Apr 5th, 2026–Apr 6th, 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 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

Kispiox, Microwave-Sinclair, North Bulkley, South Bulkley, Telkwa.

Fluctuating freezing levels, mixed precipitation, and moderate wind are creating dangerous avalanche conditions.

Continually assess as you travel, and stick to conservative terrain.

Confidence

Moderate

  • We are uncertain due to rapidly changing freezing levels.

Avalanche Summary

There was a remote-triggered wind slab in the Seaton area on Friday. Check out the MIN report here. Similar slopes should be eyed up critically.

If you are heading out, post a Mountain Information Network report!

Snowpack Summary

Mixed precipitation starting as rain and switching to snow with dropping freezing levels has deposited up to 20 cm of snow in the alpine. Treeline and below, moist surface snow is expected. This new snow will be redistributed by moderate south wind creating reactive storm slabs that will be more reactive in lee features.

This precipitation further buries, wind affected surfaces in exposed alpine terrain and settled faceted snow in sheltered terrain.

A thick crust from late January can be found at a wide range of depths, from 75 to 150 cm. Where it is shallowest, facets are most likely to exist above it, and the more problematic it is expected to be.

We do not have concerns about the snowpack below this layer.

Weather Summary

Sunday Night
Cloudy. 5 to 20 cm of snow above 1500 m. 40 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1400 m.

Monday
Mostly cloudy. 3 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1200 m.

Tuesday
Mix of sun and clouds. 1 to 5 cm of snow. 40 km/h northwest ridgetop wind. Treeline temperature -3 °C.

Wednesday
Mostly sunny. 30 km/h northwest ridgetop wind. Treeline temperature -3 °C.

Tuesday




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.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be aware of the potential for large avalanches due to buried weak layers.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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.