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Archived

Avalanche Forecast

Jan 25th, 2024–Jan 28th, 2024
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Waterton, Waterton Lakes.

Another big warm-up is on the way. Expect hazard to increase through the weekend as freezing levels rise. Persistent layers may become more reactive with warm temps.

Confidence

Moderate

Avalanche Summary

Several large avalanches observed from last weeks wind event, some failing to persistent layers. No new avalanches observed in the last 48h.

Snowpack Summary

Small wind slabs forming in the Alpine with Strong SW winds. Below 2000m a new crust exists from last weeks warms temps. The Dec 23 Melt Freeze Crust and Facets are down 40-100 cm. An early season basal crust complex exists in most places in the alpine and at treeline. Significantly less snow in the eastern areas of the park. Snowpack depths between 30 - 170 cm.

Weather Summary

Fri

Partly cloudy with scattered flurries. Freezing levels will rise to 2000m. Ridgetop winds will increase moderate to strong SW.

Sat

Partly cloudy with scattered flurries. Freezing levels will rise to 2300m. Ridgetop winds will be strong to extreme SW

Sun

Partly cloudy with scattered flurries and rain showers. Freezing levels to 2700m with extreme SW winds.

For more info see: Mountain Weather Forecast.

Avalanche Problems

Wind Slabs

Be aware windslabs might step down to deeper layers

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5

Persistent Slabs

This layer is likely out of the ski triggerable range, however could be initiated as a part of a step down avalanche.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely

Expected Size: 2 - 3