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

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