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Archived

Avalanche Forecast

Apr 5th, 2016–Apr 6th, 2016
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Banff Yoho Kootenay.

The cool weather of Tuesday locked down the snowpack with frozen surface crusts into alpine elevations. We expect the same for Wednesday - avalanche and travel conditions are good, but the ski quality is poor.

Weather Forecast

One more day of overcast skies and cool weather before another big warm up. Wednesday look to remain below freezing at treeline, although valley bottoms will again reach 7 degrees. Another warm ridge of high pressure arrives on Thursday, and temperatures will skyrocket for Thursday afternoon and Friday.

Snowpack Summary

A skiff of new snow on top of surface crusts that remained intact today except at valley bottom elevations. The morning snowpack is strong when frozen, but this can rapidly break down with warming. In many places the snowpack is sitting on a deep persistent layer of facets that has been avalanching with solar heating over the previous week.

Avalanche Summary

Today remained cool, with no new avalanches observed or reported. Our field trip through Surprise Pass showed a snowpack locked up from the cold temperatures with no new avalanches anywhere.

Confidence

Avalanche Problems

Loose Wet

Valley bottom temperatures will rise above freezing on Wednesday, and in the afternoon any steep slopes in the forest or low elevation gullies should be avoided when the crust on top of the snowpack melts.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2