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Archived

Avalanche Forecast

Mar 13th, 2019–Mar 14th, 2019
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Northwest Inland.

Watch out for locally heavier snowfall amounts on Thursday.

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.

Avalanche Problems

Wind Slabs

Watch out for wind slabs on lee (downwind) features in exposed areas. These may be especially touchy, since they overly weak facetted snow.
Watch for whumpfing, hollow sounds, shooting cracks or recent avalanches.Seek out sheltered areas where the snow is unaffected by wind.Avoid terrain traps where small avalanches can have increased consequences.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2