Testpit and obs from Hidden Peak

Location Name: 
Hidden Peak
Region: 
West Shore Area
Date and time of observation: 
Mon, 01/31/2011 - 11:50
Location Map: 
United States
38° 58' 31.0476" N, 120° 7' 29.3232" W
See map: Google Maps
US


Red Flags: 
Recent loading by new snow, wind, or rain
Observation made by: Forecaster
Snowpit Observations
More detailed information about the snowpack: 

Recent E winds had scoured snow near and above treeline from NE aspects in this area creating sastrugi up to 1 foot tall and scouring down to patches of pre storm melt freeze crust.

Photo 1: ECTN result from snowpit graphed above. Blue marker is at the old snow surface. Red marker is at the base of the wind slab that formed overnight from E wind loading.

Photo 2: Reverse cornice formation on the W side of the summit ridge.

Photo 3: Wind scoured NE aspect just above treeline. This was the fetch for the pit location. No scouring below treeline.

Photo 4: Skier triggered cracking on test slope adjacent to and prior to snowpit data collection.

Snowpit or crown profile photo or graph: 
Snowpack photos: 
Weather Observations
Blowing Snow: 
No
Cloud Cover: 
Clear
Air temperature: 
Below Freezing
Wind Speed: 
Moderate
Precipitation: 
Air temperature trend: 
Warming
Wind Direction: 
East
Accumulation rate: 
More detailed information about the weather: