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Avalanche Forecast

Archived

Jan 31st, 2026–Feb 1st, 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 possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

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

Storm slabs may still be reactive, especially where they overlie surface hoar.
Start with conservative terrain and watch for signs of instability.

Confidence

Moderate

  • We are uncertain about how quickly the snowpack will recover and gain strength.

Avalanche Summary

Friday

  • Several loose wet avalanches and one slab avalanche up to size 2 were observed.

Thursday

  • a few size 1-1.5 sluffs were reported, along with cracking in wind-affected areas.

Wednesday

  • Skier traffic and ski cutting produced a few size 1 to 1.5 wind slabs.

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

30 to 50 cm of settling storm snow has accumulated in the region since Monday. At upper elevations, it has been blown around by variable winds and overlies a hard crust. In sheltered areas, it overlies large surface hoar that may make storm slabs more reactive. Rain below 1300 m may have neutralized the surface hoar problem at lower elevations.

The mid and lower snowpack is well settled with no current layers of concern. Treeline snow depths throughout the region range from 150 cm to 250 cm.

Weather Summary

Saturday Night

Cloudy. 3 to 6 mm snow at treeline, rain below. 30 km/h south ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 m.

Sunday

Mostly cloudy. 1 to 3 cm of snow at treeline, rain below. 30 km/h south ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.

Monday

Mostly cloudy. 5 to 15 cm of snow. 50 km/h south ridgetop wind. Treeline temperature -1 °C. Freezing level 1100 m.

Tuesday

Mostly cloudy. 5 to 15 mm of precipitation as snow or rain at treeline. 60 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use small, low consequence slopes to test the bond of the new snow.
  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.
  • Be especially cautious as you transition into wind-affected terrain.

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.