Archived

Avalanche Forecast

Dec 25th, 2017–Dec 28th, 2017

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

1: Low

The avalanche danger rating in the alpine will be low

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

1: Low

The avalanche danger rating in the alpine will be low

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: Waterton Lakes.

Watch for wind chill and wind slabs in Waterton

Weather Forecast

Remaining cold for the week. West winds forecasted to increase to moderate Tuesday afternoon and into Wednesday. Possible snow forecasted on Thursday evening.

Snowpack Summary

Where the snow was not effected by the wind it is settling and with cold temperatures and a shallow snowpack, likely faceting. Below tree-line but above 1600m has a crust/facet combo at the bottom on the snowpack. After strong west winds this weekend you can expect to find wind slabs in deposition zones and gullies at all elevations.

Avalanche Summary

No new avalanche observation in Waterton.

Confidence

Due to the number and quality of field observations

Avalanche Problems

Wind Slabs

Strong winds have scoured wind exposed terrain down to valley bottom. Wind slabs could likely be found on immediate lee slopes at all elevations.

Be careful with wind loaded pockets near ridge crests and in terrain depressions

Aspects: North, North East, East.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2