Avalanche Forecast Northwest Inland

Sunday 3rd February 2019

Avalanche Danger Ratings Sun 3rd Feb 3:53PM Danger Ratings Alpine: Considerable Danger Ratings Treeline: Moderate Danger Ratings Below Treeline: Low Wind Slabs Wind Slabs

Avalanche Canada Forecaster: mconlan

Date Issued:

Valid Until:

Strong northeast winds have created wind slabs in exposed terrain. Use added caution, particularly if you notice the snow stiffening during your travels.

Confidence

High -

Weather Forecast

SUNDAY NIGHT: Clear skies, strong northeast wind, alpine temperature -21 C.MONDAY: Mostly clear skies, light to moderate northeast wind, alpine temperature -16 C.TUESDAY: Mostly clear skies, light north wind, alpine temperature -8 C.WEDNESDAY: Mostly cloudy with light snowfall, light northwest wind, alpine temperature -7 C.

Avalanche Summary

Numerous avalanches were triggered by skiers and naturally within the recent storm snow on Saturday. 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

Likely - 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.

Be aware of the potential for wide propagation.Avoid freshly wind loaded features, especially near ridge crests, roll-overs and in steep terrain.Good day to make conservative terrain choices, particularly where the wind has redistributed recent snow.

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

Elevations: Alpine, Treeline.

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