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Avalanche Forecast

Archived

Mar 23rd, 2026–Mar 24th, 2026

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

Crowsnest North, Crowsnest South.

Wind slabs are expected to form over the day. Watch for fresh and reactive slabs near ridgelines.

Confidence

Moderate

  • We are uncertain due to the variability of wind effect on the snowpack.
  • The snowpack structure is well understood.

Avalanche Summary

Small loose wet avalanches were reported on Sunday. Last week's rain and warm temperatures produced a widespread wet avalanche cycle. Moving forward, we expect reactivity to rider triggers in wind-loaded terrain features.

If you are heading into the backcountry, please consider sharing conditions via the MIN.

Snowpack Summary

By Tuesday afternoon, up to 10 cm of new snow may have fallen, redistributed into deeper deposits on north and east facing slopes. New snow sits over a melt-freeze crust, which will likely bond poorly.

The snowpack below is moist to ground, and well consolidated. The snowpack rapidly tapers at lower elevations.

Weather Summary

Monday Night
Mostly clear skies. 50 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1900 m.

Tuesday
Mostly cloudy. 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1700 m.

Wednesday
Mostly cloudy. 10 to 15 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1900 m.

Thursday
Mix of sun and clouds. 4 to 5 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

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.