Snowpit on Mt. Judah

Location Name: 
Mt. Judah
Region: 
Donner Summit Area
Date and time of observation: 
Tue, 01/18/2011 - 14:48
Location Map: 
United States
39° 17' 41.3484" N, 120° 18' 47.25" W
See map: Google Maps
US


Red Flags: 
Obvious avalanche path
Observation made by: Forecaster
Snowpit Observations
More detailed information about the snowpack: 

Decent refreeze last night and light to moderate east winds keeping the snow surface colder today. For this general area between 7,100' and 8,200', N and W aspects remained frozen all day. E aspects had 1 to 2 cm of snow surface melt that refroze by 2:30 pm and was supportable crust by 3:30 pm. Significant melting only occurred on SE-S-SW aspects. Boot pen on open S aspect (pit and noted lat/long location) at 2:45 pm was 10cm (4 inches). Free water from Dec 13 rain event and recent melt freeze have percolated through at least the top 1m of the snowpack. No evidence of instability observed while on tour in this area.

Snowpit or crown profile photo or graph: 
Weather Observations
Blowing Snow: 
No
Air temperature: 
Above Freezing
Wind Speed: 
Light
Precipitation: 
Air temperature trend: 
Warming
Wind Direction: 
East
Accumulation rate: 
More detailed information about the weather: