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Avalanche Forecast

Archived

Dec 26th, 2024–Dec 29th, 2024

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

Regions

Waterton Lakes, Waterton.

Keep your eye out for small thin windslabs in lee areas. New snow is expected through the weekend however snowfall amounts are still very uncertain.

Confidence

Low

Avalanche Summary

No new avalanches observed however minimal field work.

Snowpack Summary

Up to 10cm of new snow overlies older hard windslabs in the alpine and treeline and a thin melt freeze crust below treeline.

Snowpack depths at treeline range from 80 - 120 cm.

Weather Summary

Fri

Broken cloud today with a chance of flurries. Ridgetop winds 50 - 60 km/hr from the southwest. High of -4°C.

Sat

Overcast, light snow, up to 5cm possible. Ridgetop winds 60-70 km/hr from the southwest. High of -4°C.

Sun

Overcast, snow becoming heavier in the PM up to 15cm possible. Treeline high of -5°C. Winds decreasing to 20-30 km/h

Check out the Mountain Weather Forecast for the most up to date information.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

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.