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Avalanche Forecast

Archived

Apr 3rd, 2026–Apr 4th, 2026

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

Regions

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

Friday's report of a remote-triggered wind slab is great data to help calibrate your exposure. The chance of a step-down avalanche underscores the importance of careful terrain selection.

Confidence

Moderate

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

Avalanche Summary

We have a fresh observation of a remotely triggered wind slab in the Seaton area on Friday. Check out the MIN report here.

On Tuesday, the field team reported a cornice-triggered size 3 persistent slab on a northeast aspect. It ran to valley bottom and is a good example of the persistent problem affecting the region. There have been no other recent report of avalanches, but observations are limited.

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

Snowpack Summary

About another 5 cm of new snow should accumulate by end-of day Saturday, adding to about 10 cm of new snow already redistributed by strong southwest winds, creating wind-pressed surfaces and wind slab in exposed alpine terrain. In more sheltered terrain, the new snow is burying 20 to 40 cm of older faceted snow. On steep solar aspects, particularly below 1700 m, it's likely burying sun crust.

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

Friday Night
Mainly cloudy with scattered flurries bringing less than 5 cm of new snow. 20 to 40 km/h southwest ridgetop wind, easing. Treeline temperature around -4 °C.

Saturday
Mostly cloudy with scattered light flurries and a trace of new snow. 15 to 20 km/h southwest ridgetop wind, easing. Treeline high temperature -3 °C.

Sunday
Mostly cloudy with increasing flurries bringing up to 5 cm of new snow, light rain below about 1200 m. 20 to 30 km/h southeast ridgetop wind, increasing. Treeline temperature approaching 0 °C as freezing level climbs to 1400 m.

Monday
Mostly cloudy with some clearing near end-of-day. Increasing wet snowfall bringing 15 to 30 cm of new snow to higher alpine, diminishing with elevation to mainly rain below about 1200 m. 40 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level reaching 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • 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

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.