Data Quality Reports for Session: 103891 User: dholdridge Completed: 01/24/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D061128.1NSA/METTWR/C2 - 2m Temp/RH sensor blocked with snownsamettwr2hC2.b1
D061128.2NSA/METTWR/C1 - Wind direction sensor frozennsamettwr4hC1.b1


DQRID : D061128.1
Start DateStart TimeEnd DateEnd Time
11/27/2006060811/27/20062226
Subject:
NSA/METTWR/C2 - 2m Temp/RH sensor blocked with snow
DataStreams:nsamettwr2hC2.b1
Description:
The 2m RH, Dew Point and Vapor Pressure values are incorrect due to the intake of the 
aspirated shield being blocked with snow and ice.  The RH% values are artificially larger 
than the 5m and Chilled Mirror values.
Measurements:nsamettwr2hC2.b1:
  • 2m Average Calculated Vapor Pressure(VP2m_AVG)
  • Standard Deviation of 2m Relative Humidity(RH2m_STD)
  • 2m Average Relative Humidity(RH2m_AVG)
  • Standard Deviation of 2m Calculated Dew Point(DP2m_STD)
  • Standard Deviation of 2m Calculated Vapor Pressure(VP2m_STD)
  • 2m Average Calculated Dew Point(DP2m_AVG)


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DQRID : D061128.2
Start DateStart TimeEnd DateEnd Time
11/24/2006233611/27/20060253
Subject:
NSA/METTWR/C1 - Wind direction sensor frozen
DataStreams:nsamettwr4hC1.b1
Description:
After a power outage the 40m wind direction sensor was frozen.  Data from this sensor was 
not representative of the true winds.
Measurements:nsamettwr4hC1.b1:
  • 40m Vector Averaged Wind Direction(WD40M_DU_WVT)
  • Standard Deviation of 40m Vector Averaged Wind Direction(WD40M_SDU_WVT)


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