Avalanche forecast

Northwest Inland

Mar 13 – 14, 2019Avalanche Canada
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Archived · expired 8 years ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
2 · Moderate
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Highlights

Watch out for locally heavier snowfall amounts on Thursday.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Watch out for wind slabs on lee (downwind) features in exposed areas. These may be especially touchy, since they overly weak facetted snow.

Confidence

Moderate - Intensity of incoming weather systems is uncertain

Weather Forecast

Hudson Bay (1500m):TPres -4; Wind 6-11 West; Precip yesterday 2mmHungry Hill (820m):HN24 2mm/cm; TMin -12; TMax +4; TPres -10Telkwa (1660m):Tsai Ck (1370m):Approx 25mm during last storm that ended in the eve of Mar 11. TPres -8.Tr on Sandra's table, Sky BKN; Smithers Cam: sky looks CLR.

Avalanche Summary

Few observers in the field Monday but reports are consistent with a natural avalanche cycle of storm slabs and wind slab up to size 2.

Snowpack Summary

The region is expected to receive 10-15 Wednesday night through Thursday, which will add to the previous 15 to 30 cm of storm snow accumulations since Monday. This new snow rests on previously wind hammered snow, sun crusts (on solar aspects), and sugary facets. February's cold weather weakened the upper- and mid-snowpack. In some sheltered areas, 20-50 cm of the snowpack was faceting, or sits on facets (sugary snow),In the south of the region, the lower snowpack is generally strong.

Regions covered