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Archived

Avalanche Forecast

Jan 9th, 2017–Jan 10th, 2017
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
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: South Coast.

Continually assess conditions as you travel and watch out for isolated (wind) slabs.

Confidence

Moderate - Due to the number of field observations

Weather Forecast

TUESDAY: Sunny with 20 Km/hr northeast winds. Freezing level dropping to sea level. Treeline temperatures around -4.WEDNESDAY: Sunny with occasional cloud. Light and variable winds. Freezing level at sea level. Treeline temperatures around -7.THURSDAY: Sunny with clouds in the afternoon. Light westerly winds 10-15 Km/hr. Freezing level at sea level. Treeline temperatures around -6.

Avalanche Summary

Only minor loose wet Size 1 natural avalanches were observed yesterday in the North Shore mountains.

Snowpack Summary

The North Shore mountains received 10cm of new snow which came in wet and heavy, bonding well to 15 cm of settling snow from Friday's storm. New snow amounts closer to Squamish were almost double (15-20cm).  Watch out for small wind slabs on north-facing slopes in the lee of exposed features. Friday's snow buried a variable interface composed of faceted (sugary) snow and old hard wind slabs (especially at higher elevations). Recent reports suggest the snow has bonded fairly well to this interface. The mid and lower snowpack are well settled and stable.

Avalanche Problems

Storm Slabs

Watch for pockets of slabs, especially in lee (wind loaded) areas at higher elevations.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.Use caution above cliffs where small avalanches may have severe consequences.Minimize overhead exposure during periods of heavy loading from new snow, wind.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2