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Archived

Avalanche Forecast

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

Regions: South Coast.

Only very light snow is expected on Thursday. If more than 10 cm arrives, avalanche danger will be MODERATE.

Confidence

High -

Weather Forecast

WEDNESDAY NIGHT: Flurries with 1 or 2 cm of snow expected.THURSDAY: Light snow, 2-4 cm. Light, possibly moderate southwest winds. Freezing level around 900 m.FRIDAY: Dry with a mix of sun and cloud. Freezing level rising to around 1700 m. Light southwesterly winds.SATURDAY: Dry with a mix of sun and cloud. Freezing level around 1800 m. Light southerly winds.

Avalanche Summary

Explosive control produced small (size 1) slab avalanches on Tuesday. No other avalanches were reported.

Snowpack Summary

Relatively light amounts of moist snow have fallen on a variety of snow surfaces including a crust on steep southerly slopes and possibly weak surface hoar crystals on sheltered and shaded slopes. The new snow may take a little time to bond, especially on northerly aspects at higher elevations.A layer of weak and sugary faceted grains sits on a melt-freeze crust about 50 to 120 cm deep. The layer is likely most prominent in the North Shore Mountains and on north aspects. This layer continues to be reactive in snowpack tests. The problem is not typical for the region and we expect this persistent weak layer to continue to linger.The lower snowpack is generally strong.

Avalanche Problems

Wind Slabs

Thin wind slabs may develop on the downwind side of ridges as light amounts of new snow fall on this region.
Use caution in lee (downwind) areas.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2