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Archived

Avalanche Forecast

Mar 28th, 2025–Mar 29th, 2025
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

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

There is uncertainty with the speed of recovery of the snowpack. Maintain conservative terrain choices.

Confidence

Moderate

Avalanche Summary

A widespread natural avalanche cycle from Tuesday to Thursday involved buried weak layers deep in the snowpack.

Where a surface crust exists, these layers will be difficult to trigger.

Read the Forecaster Blog for an opportunity to reflect on this week's widespread avalanche activity.

Snowpack Summary

Roughly 5 to 10 cm of accumulated recent snow buries a surface crust that can be found on most aspects and elevations, which becomes more supportive as you gain elevation.

The upper snowpack is a mix of refrozen and moist snow depending on elevation, over a generally settled mid-pack that sits on a persistent weak layer of facets from late January buried 70 to 120 cm deep.

Weather Summary

Friday Night

Cloudy with scattered flurries, 3 to 5 cm. 15 to 20 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1300 m.

Saturday

Mostly cloudy with isolated flurries, 2 to 5 cm. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1700 m.

Sunday

Partly cloudy. 10 to 20 km/h northeast wind. Treeline temperatures -1 °C. Freezing level 1800 m.

Monday

Partly cloudy, isolated flurries 2 cm. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1700 m.

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.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.

Avalanche Problems

Persistent Slabs

Where a melt-freeze crust has developed, this layer will be difficult to trigger. With uncertain freezing levels, areas of concern are steep, rocky terrain, where there is no melt-freeze crust.

Aspects: North, North East, East, North West.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 1.5 - 2.5