Avalanche Forecast South Coast Inland

Sunday 3rd February 2019

Avalanche Danger Ratings Sun 3rd Feb 4:24PM Danger Ratings Alpine: Moderate Danger Ratings Treeline: Moderate Danger Ratings Below Treeline: Low Wind Slabs Wind Slabs

Avalanche Canada Forecaster: mbender

Date Issued:

Valid Until:

The main concern is wind slabs at upper elevations. Cold temperatures will persist for a few more days.

Confidence

High - The weather pattern is stable

Weather Forecast

SUNDAY Night: Mainly cloudy with scattered flurries, moderate northeast wind, alpine temperature -20 C MONDAY: Mainly sunny, light to moderate northeast wind, alpine temperature -13 C with an alpine temperature inversionTUESDAY: Mix of sun and cloud, light northeast wind, alpine temperature -11 C with an alpine temperature inversionWEDNESDAY: Mix of sun and cloud, light northwest wind, alpine temperature -10 C.

Avalanche Summary

No avalanches were reported in the region on Saturday or Sunday.

Snowpack Summary

15-30 cm of new snow with moderate southwesterly winds is sitting on a crust on all but northerly aspects, wind-affected surfaces in the alpine, and possibly a mixture of weak feathery surface hoar and/or sugary facets in sheltered terrain at treeline and below.A crust that recently formed right to mountain top on southerly aspects and on all aspects below 1700 m is now buried 50-80 cm deep. Additionally at this depth, feathery surface hoar may be found in shady sheltered areas at treeline. This layer is reported to be most prevalent in the far southeast of the region near Manning Park.The remainder of the snowpack is generally well-settled and strong.

Wind Slabs Wind Slabs

Likelihood

Possible

Expected Size

1 - 2

Recent new snow fell in conjunction with strong southwest wind. Expect to see windslabs on a variety of aspects as the wind shifts to the north.

Be careful with wind loaded pockets, especially near ridge crests and roll-overs.Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

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