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Avalanche Forecast

Archived

Apr 8th, 2025–Apr 9th, 2025

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

Regions

South Rockies, Akamina, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

Watch for wind loaded pockets in the alpine.

Practice good travel habits in case something unexpected happens.

Confidence

Moderate

Avalanche Summary

Over the weekend, small wet loose avalanches were reported to size 1.

On Friday, skiers remotely triggered a slab on a northeasterly lee ridge feature at treeline near Mt. Fisher.

Snowpack Summary

5 to 10 cm of new snow likely sits on a crust at higher elevations, transitioning to moist snow below 2000 m. High alpine north facing slopes may still hold dry snow above a thick crust from late March.

The snowpack is quickly disappearing below treeline.

Weather Summary

Tuesday Night

Mostly cloudy with 0 to 2 cm of snow. 40 to 70 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

Wednesday

Cloudy. 40 to 70 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1800 m.

Thursday

Mostly sunny. 20 to 30 km/h southwest ridgetop winds. Treeline temperature +2 °C. Freezing level 2800 m.

Friday

A mix of sun and cloud with 5 to 15 cm. 20 to 35 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • This is a good time for exploring terrain.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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.