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Avalanche Forecast

Archived

Feb 22nd, 2026–Feb 23rd, 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 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

Coquihalla, Manning, Skagit.

Storm slabs will continue to build through the day.

Carefully assess the bond of the new snow to the crusts and facets below.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are confident the likelihood of avalanches will increase with the forecast weather.
  • We are confident about new snow amounts, but uncertain about whether slabs will form.

Avalanche Summary

A few natural wind slabs were observed in steep, north facing  terrain on Sunday. No other recent avalanches have been observed.

We expect a natural avalanche cycle to occur with the incoming storm.

Snowpack Summary

New snow arrives with significant wind and lands on facets, exposed crust, and sun-affected snow.

Another widespread crust/facet layer from late January is buried 40 to 70 cm deep.

The mid and lower snowpack is generally well settled and strong.

In forested areas, a light dusting of new snow overlies hard melt-freeze lumps creating very difficult travel conditions.

Weather Summary

Sunday Night
Mostly cloudy. 10 to 25 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -4°C.

Monday
Cloudy. 5 to 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Tuesday
Mix of sun and clouds. 1 to 2 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -6 °C.

Wednesday
Mix of sun and clouds. 1 to 10 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Don't let storm day fever lure you into consequential terrain.
  • Watch for fresh storm slabs building throughout the day.
  • Storm slab size and sensitivity to triggering will likely increase through the day.

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.