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Archived

Avalanche Forecast

Nov 30th, 2017–Dec 1st, 2017
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
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
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

Regions: Jasper.

Excellent riding can be found in sheltered treeline locations. Sensitive windslabs still plague the alpine, but loading is occurring at all elevations. Keep your head up.

Weather Forecast

Friday Accumulation: 8 cm.Alpine temperature: High -8 °C.Ridge wind southwest: 15 km/h gusting to 45 km/h.Freezing level at valley bottom.Thur-Sun 11mmSaturday minimal snow winds shifting to the north and light as the cold arctic air envelops the area on sunday

Snowpack Summary

Wind slabs continue to build in exposed lee features. A significant crust (black friday, Nov.23) can be found down 30 to 70cms. A persistent slab overlays this crust and so far the bond appears to be strengthening at this interface. The Halloween crust sits well down in the snowpack at TL locations and as high as 2700m.

Avalanche Summary

No new avalanches observed or reported

Confidence

Avalanche Problems

Wind Slabs

Sensitive wind slabs continue building at ridge tops and if triggered, has the potential to step down to the deeper instability.
Avoid freshly wind loaded features.Avoid exposure to overhead avalanche terrain during periods of moderate to intense transport.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3