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Archived

Avalanche Forecast

Mar 3rd, 2019–Mar 4th, 2019
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Jasper.

Its finally warming!!Keep an eye out on solar S-W aspects as the sun starts to bake them, You will see increased reactivity in point releases.

Weather Forecast

Monday: Sunny, No new precipitation expected. Overnight low: -18 and afternoon high: -10 C. Light E windsTuesday: Sunny with cloudy periods, Low -18 high -9C, Light East ridge windsMountain weather forecast available at Avalanche Canada.

Snowpack Summary

The upper snowpack remains faceted on all aspects. Wind effect in open terrain from previous SW and now N winds. Much of the mid-pack is faceted with some strength and support on skis but not always under foot. Isolated sensitivity to Jan 18th layer at treeline and below, but not consistent to all areas. Large depth hoar on the ground, everywhere.

Avalanche Summary

A road patrol down highway 93S did not reveal much in the way of new avalanches, 1 Size 1 loose dry on steep alpine  NW aspect slope covering recent ski tracks. A bit more wind in the area is adding to the cohesion in the snow pack.

Confidence

Due to the quality of field observations

Avalanche Problems

Loose Dry

Cold temperatures continue to facet the surface snow causing it to loose cohesion. Point release activity will increase with strong solar input on steep S and W aspects at all elevations.
Minimize exposure to terrain traps where the consequences of an avalanche could be serious.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5

Deep Persistent Slabs

The basal weakness (aka depth hoar) is generally dormant; however, these may be possible to trigger in isolated shallow snowpack places.
Be cautious in shallow snowpack areas where triggering is more likely.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely

Expected Size: 1.5 - 2.5