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Avalanche Forecast

Archived

Apr 16th, 2025–Apr 17th, 2025

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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Akamina, Crowsnest North, Crowsnest South.

Up to 20 cm of new snow fell along the divide on Wednesday, possibly forming wind slabs in open areas and along ridgelines.

Confidence

Moderate

Avalanche Summary

No recent avalanche activity has been reported.

Snowpack Summary

Wednesday’s storm delivered 10 to 20 cm of snow on top of a thick melt-freeze crust. The snowpack is generally well bonded, with no concerning layers, and continues to melt rapidly at lower elevations.

Weather Summary

Wednesday Night

Partly cloudy. 20 km/h northeast ridgetop wind. Treeline temperature -8 °C.

Thursday

Mix of sun and cloud with 0 to 5 cm of snow. 20 km/h northeast ridgetop wind. Treeline temperature -4 °C. Freezing level 1700 m.

Friday

Sunny. 20 km/h west ridgetop wind. Treeline temperature +2 °C. Freezing level 2400 m.

Saturday

Mix of sun and cloud. 20 km/h southwest ridgetop wind. Treeline temperature +1 °C. Freezing level 2300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the crust.
  • Be careful as you transition into wind-affected terrain.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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.