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Archived

Avalanche Forecast

Mar 27th, 2012–Mar 28th, 2012
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
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
2: Moderate
The avalanche danger rating in the alpine will be moderate
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
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

Regions: Jasper.

5-10cm is expected Tuesday night into Wednesday with seasonally warm temperatures. This will likely improve overall ski quality. Natural activity is reduced but stay vigilant especially on large committing terrain features.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Avalanche Problems

Persistent Slabs

The buried surface hoar layer 50-120cm down remains a concern in areas that have not avalanched. Whumphing is still being observed on North shaded glades below treeline. Be cautious of this layer as triggering it would be high consequence.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 2 - 4

Wind Slabs

Steady moderate Southwest winds continue to build windslabs and cornices on Northerly aspects. Natural activity is reduced with this problem but be vigilant with shallow spots or large cornice failures being possible triggers.

Aspects: North, North East, East, South East, South.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Loose Wet

Cloud cover today reduced daytime heating but anytime the sun pokes out, loose wet avalanche activity will increase. Expect this activity originating from steep S or W aspect rock bluffs or gullies starting mid afternoon.

Aspects: North, North East, East.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 3