Avalanche Forecast Northwest Inland

Monday 4th February 2019

Avalanche Danger Ratings Mon 4th Feb 4:49PM Danger Ratings Alpine: Considerable Danger Ratings Treeline: Moderate Danger Ratings Below Treeline: Low Wind Slabs Wind Slabs

Avalanche Canada Forecaster: mbender

Date Issued:

Valid Until:

Strong northeast winds have created wind slabs in exposed terrain at upper elevations.

Confidence

Moderate -

Weather Forecast

TUESDAY: Mostly clear skies, light north wind, alpine temperature -16 C.WEDNESDAY: Mostly cloudy with light snowfall, light northwest wind, alpine temperature -10 C.THURSDAY: Mix of sun and cloud with isolated flurries, moderate northwest wind, alpine temperature -10 C.

Avalanche Summary

Numerous avalanches were triggered by skiers and naturally within the recent storm snow on the weekend. Check out this MIN report describing widespread slab activity.

Snowpack Summary

Strong northeast winds have redistributed the recent 20 to 40 cm of storm snow in exposed terrain, forming wind slabs. This snow overlies previously wind-affected snow in the high alpine and a widespread melt-freeze crust elsewhere. In the central and northern parts of the region, the storm snow may sit on feathery surface hoar crystals in sheltered terrain at all elevations.In the south of the region, the remainder of the snowpack has been reported as well-settled.Around and north of Hazelton, 50 to 100 cm of snow may overly two weak layers of surface hoar or sugary faceted grains.

Wind Slabs Wind Slabs

Likelihood

Possible

Expected Size

1 - 2

Strong northeast winds have redistributed the recent storm snow. Expect touchy wind slabs in cross-loaded and lee terrain features near ridges.

Avoid freshly wind loaded features, especially near ridge crests, roll-overs and in steep terrain.Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

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