Mammoth Rock, Sherwins

SNOWPACK OBSERVATION
Mammoth Rock, Sherwins
Submission Info
Forecaster
Sunday, March 26, 2017 - 6:00pm
Red Flags: 
Recent loading by new snow, wind, or rain
Obvious avalanche path
Mammoth Rock, Sherwins
Snowpit Observations
More detailed information about the snowpack: 

Observer: doug lewis, Eastern Sierra Avalanche Center
Date: Mar 26, 2017, 5:56 PM
Loc: Mammoth Rock 
Lat/Lon:37.6130, -118.9923
Elevation: 9200 f
Aspect: N Angle: 33°
Signs of Instability: Recent Avalanches, Pin Wheels, Wind Loading
Sky Cover: SCT
Precipitation: Snow, Very light snowfall < .5 cm/hour
Wind Speed: Lightsubjective
Wind Direction: W
Current Temp:4°C
Blowing Snow: Light W
New Snow Storm:32cm 
Snow Temperature 20cm:-2.5° C 
Boot Penetration: 25cm

Comments: Warm temperatures @ the trailhead, above freezing at 1100. Westerly wind transport above 9000', Wet snow ( top 10cm) on Easterly thru Northeasterly aspects from 8000 to 9000, Northerly aspects moist above 8500 to 9200' dry above. Below pushing wet. Light wind skin on exposed North to Northeast aspects above 9000'. Dense moist powder above ~9200' on North to Northeast aspects. Soft wannabe corn on Northwesterly aspects below 9000'. Very aspect and elevation sensitive for best snow conditions. 1 of 3 Stability CT Tests: CT19 Q2, rest inconclusive. Several Loose Wet noted on E-SE aspects up to ~9000. 

Snowpit or crown profile photo or graph: 
Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
25% of the sky covered by clouds
Air temperature: 
Above Freezing
Wind Speed: 
Light
Precipitation: 
Snow
Air temperature trend: 
Cooling
Wind Direction: 
West
Accumulation rate: 
None
More detailed information about the weather: 

Gusty westerly winds early AM, diminishing somewhat through the day. Visible wind transport on East to South aspects where fetch available and not exhausted from earlier winds. 

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