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Avalanche Forecast

Archived

Feb 10th, 2026–Feb 11th, 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 unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Northwest Inland, Nass, Seven Sisters, Howson, Kispiox, Ningunsaw.

With new snow on the surface, even light winds may form pockets of fresh wind slabs atop a widespread crust.

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 precipitation amounts.

Avalanche Summary

Since the weekend, a few size 1 to 2 wind slab avalanches have been reported, averaging 20 to 30 cm in depth.

Observations have been limited by poor visibility and difficult weather, so be sure to post your observations to the MIN if you get out!

Snowpack Summary

Approximately 10 to 30 cm of new snow has accumulated since the weekend on top of a widespread crust. This crust is generally stronger and more supportive at treeline elevations and above, while it is weaker (or absent) below treeline, where moist snow persists.

A crust with surface hoar and/or faceted snow, buried on January 26, is roughly 50 to 90 cm below the surface. This layer is most likely to persist at higher elevations, while at lower elevations, it was likely rain-soaked and destroyed last week.

The remainder of the snowpack is generally well settled and bonded, with no significant concerns.

Snow depths at treeline range from 150 to 250 cm.

Weather Summary

Tuesday Night
Cloudy. Trace amounts of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

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

Thursday
Mostly cloudy. 5 to 15 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1100 m.

Friday
Mix of sun and clouds. 3 to 5 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded terrain features.
  • Wind slabs are most reactive during their formation.
  • Be aware of the potential for large avalanches due to buried surface hoar.

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.