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Archived

Avalanche Forecast

Mar 3rd, 2022–Mar 6th, 2022
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
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Waterton Lakes.

Akamina Parkway has reopened.

Though natural avalanche activity has tapered with cooling temps allow snowpack time to adjust to significant new load.

20 cm of light unconsolidated surface snow has improved ski quality but be vigilant with sluffing.

Weather Forecast

Tonight: Flurries, accumulating to 5cm. Light wind. Alpine temps -7.

Fri: Cloudy with isolated flurries. Light NE winds. Alpine temps high -6. Freezing levels valley bottom.

Sat: Mix of sun and cloud. Light NE wind. Alpine temps high -9. Freezing levels VB.

Sun: Sunny with cloudy periods. Moderate SW winds. Alpine high -9, Low -13. Freezing levels VB.

Snowpack Summary

Over 70cm of snow and mod SW winds formed storm slabs up to 100cm in ALP. BTL the storm rained to 2000m before temps cooled bringing 15-20cm snow. This overlies old windslab 10-30 cm deep. Feb 15 crust is 1 cm thick and exists to tree line all aspects and higher on solar aspects. Well settled midpack. Facets above Dec 4 crust, buried 150-200 cm.

Avalanche Summary

Evidence of a widespread natural cycle from last 24-72 hrs with storm slab, wet slab and wet loose avalanches to size 3 can be seen around the park. Numerous avalanches reaching valley bottom. Thanks for the great observations on the Mountain Information Network, we love seeing your adventures.

Confidence

Due to the number of field observations

Avalanche Problems

Storm Slabs

Up to 70cm of new snow and moderate SW winds has formed slabs in the alpine up to 100cm deep.

  • If triggered the storm slabs may step down to deeper layers resulting in large avalanches.
  • Use caution on open slopes and convex rolls

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1.5 - 3

Loose Dry

Cooling temperatures towards the tail end of the storm is depositing 15-20 cm of light unconsolidated snow at all elevation. Watch for loose dry slides in steep unsupported terrain. Manege your sluff.

  • Be careful of loose dry sluffing in steep, confined or exposed terrain.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 1.5