Avalanche Forecast

Issued: Jan 22nd, 2024 4:00PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is moderate. Known problems include Wind Slabs and Persistent Slabs.

KT, Avalanche Canada

Waterton Lakes, Waterton.

Small new windslabs may form with strong SW winds throughout the forecast period. Triggering a persistent slab may be possible in isolated areas and may be more reactive if moisture penetrates down to this layer from rain or temps above zero.

Summary

Confidence

Moderate

Snowpack Summary

Small wind slabs forming in the Alpine with Strong SW winds. Below 2000m there is moist surface snow which will refreeze with cooling temps. The Dec 23 Melt Freeze Crust and Facets are down 40-100 cm. An early season basal crust complex exists 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

Tues

Partly cloudy with scattered flurries. Minimal snow accumulation. Wind SW 40-60. Freezing Level 1800 m. Alpine High 0°C

Wed

Partly cloudy with scattered flurries. Minimal snow accumulation. Wind SW 40-60. FL 1700 m, Alpine High of -2°C

Thurs

Partly cloudy with scattered flurries. Minimal snow accumulation. Wind SW 40-60. FL 1800 m, Alpine High of -2°C

For more info see: Mountain Weather Forecast.

Terrain and Travel Advice

Be carefull around freshly wind loaded features.

Problems

Wind Slabs

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 most reactive in steep sheltered places below treeline as moisture penetrates down to the Dec 23 crust.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Jan 25th, 2024 4:00PM