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Archived

Avalanche Forecast

Jan 2nd, 2013–Jan 3rd, 2013
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
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
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
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Cariboos.

Be aware of the potential for an above freezing layer on Thursday. This warm air (combined with solar warming) may destabilize the surface snow and cornices.

Confidence

Good

Weather Forecast

Thursday: Expect lots of valley cloud with temperatures reaching -6, moderate southwesterly winds and a chance of isolated flurries. An above freezing layer may persist giving temperatures up to 3 between 2000-2500m.Friday: Mostly cloudy with temperatures around -9. Winds turn northerly and remain moderate with a slight chance of flurries.Saturday:Continued cloudy with temperatures reaching -8 under light southerly winds. Building flurries are possible.

Avalanche Summary

Loose snow avalanches continue to be reported from steep terrain. This problem may be compounded by above freezing temperatures or solar radiation on South and West facing terrain.

Snowpack Summary

Minor surface hoar growth continues in areas that are sheltered from the wind. Near surface facetting is maintaining dry and loose surface snow. Previous moderate to strong winds have built windslabs in lee locations in the alpine and at treeline.  The midpack is strong and well settled while the deep weaknesses remain dormant.

Avalanche Problems

Wind Slabs

Changing wind directions may build windslabs in unusual locations.
Be cautious as you transition into wind affected terrain.>Use ridges or ribs to avoid pockets of wind loaded snow.>

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 4

Cornices

Above freezing temperatures or solar radiation may make cornices weaker.
Give cornices a wide berth when travelling on or below ridges.>

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 4