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Observation: Whitney Basin
Observation Date
2/8/2013
Observer Name
Ted Scroggin
Region
Uintas
Location Name or Route
Gold Hill Basin
Weather
Sky
Obscured
Precipitation
Light Snowfall
Wind Direction
Southwest
Wind Speed
Moderate
Weather Comments
On again off again snow showers with about 2-3" new snow and gusty southwest winds at times followed by calm conditions.
Snow Characteristics
New Snow Depth
3"
New Snow Density
Low
Snow Surface Conditions
Powder
Dense Loose
Wind Crust
Melt-Freeze Crust
Snow Characteristics Comments
Not much change in the conditions out there this afternoon, the 3" new snow did little to soften the hard frozen tracks in the popular riding areas.
Red Flags
Red Flags
Wind Loading
Poor Snowpack Structure
Red Flags Comments
Gusty winds at times were finding enough loose snow to blow and drift onto north through east facing slopes. No big issues in my travels early this afternoon, the wind drifts that were forming were of the soft slab variety, shallow and breaking at your skis and sleds. I would anticipate these to become more widespread and unmanageable as the storm develops. Still many areas with a shallow and weak snow pack, in those places where a slab is present, it seems a little relaxed and not reactive. Snow pit tests did not produce any alarming results. This will likely change with the forecasted storm
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Increasing Danger
Problem #1 Comments
I would anticipate fresh and sensitive wind slabs along the upper ridgelines on those slopes facing north through southeast as the storm intensifies.
Avalanche Problem #2
Problem
New Snow
Trend
Increasing Danger
Problem #2 Comments
With each new snow and wind loading event the area appears to go through a decent natural avalanche cycle, overloading the shallow and weak snow pack areas. Many slopes hang in the balance waiting for a trigger.