Wet snow obs on Donner Pass

Location Name: 
Donner Pass
Region: 
Donner Summit Area
Date and time of observation: 
Sat, 04/02/2011 - 08:50
Location Map: 
United States
39° 18' 56.4228" N, 120° 19' 40.548" W
See map: Google Maps
US


Red Flags: 
Rapid warming
Observation made by: Forecaster
Snowpit Observations
More detailed information about the snowpack: 

No evidence of an overnight refreeze in this area at 8:30am. Free water visible in all wet layers but did appear to have decreased overnight. Surface layer was increasing in melt rate and free water production.

Photo 1: Glide crack on NW shoulder of Donner Peak at 39.311955,-120.321836 (N aspect, 7,500').

Photo 2: Glide cracks on E side of Donner Pass summit at 39.31574,-120.32351 (NE aspect, 7,000').

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

Occasional cloud breaks and significant solar input. One very brief (less than 1 minute long) light rain shower at 9:25am.