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Archived

Avalanche Forecast

Nov 18th, 2016–Nov 19th, 2016
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Glacier.

Winter's Back! However early season hazards like rocks, trees and open creeks are prevalent below 1900m. There's still lots of winter left, ride conservatively out there!

Weather Forecast

Expect mainly cloudy skies today, without much precip, ridge top wind coming from the south east 10-20 kph & and freezing level at 1300m. Scattered flurries Saturday will bring 5 cm of new snow and freezing level is expected to rise to 1600m.

Snowpack Summary

35-55cm of new snow covers a thick supportive crust (Nov 13) with a moist near-isothermal snowpack below. Previous winds have transported this new snow and formed soft slabs in lee features at ridge top. Below 1900m snow depths are less than 50cm with many early season hazards (rocks, trees & open creeks!) lurking at or just below the surface.

Avalanche Summary

Natural avalanche activity has decreased with minimal minimal new snow and dropping temperatures. However with the clearing skies field teams observed previous avalanches up to size 2 from Mt Macdonald, Cheops and Jupitor. These avalanches occurred Tues-Wed on steep Northerly aspects and were triggered by the previous strong winds

Confidence

Avalanche Problems

Storm Slabs

Recent snowfall & previous mod winds have formed storm slabs at ridgetop and below on specific features. New low density snow sits on top and sluffing can be expected on steeper terrain features.
Use caution in lee areas. Recent wind loading have created wind slabs.Be cautious of sluffing in steep terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2