Data Quality Reports for Session: 102911 User: sbenson Completed: 11/29/2006

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060308.1TWP/SONDE/C2 - Broken temperature sensortwpsondewnpnC2.b1
D060403.2TWP/SONDE/C2 - Broken temperature sensortwpsondewnpnC2.b1
D060418.1TWP/SONDE/C2 - Bad RH in lower 8kmtwpsondewnpnC2.b1


DQRID : D060308.1
Start DateStart TimeEnd DateEnd Time
01/15/2006114401/15/20061328
01/19/2006131801/19/20061320
01/22/2006114901/22/20061315
02/14/2006005502/14/20060207
02/21/2006023202/21/20060359
Subject:
TWP/SONDE/C2  - Broken temperature sensor
DataStreams:twpsondewnpnC2.b1
Description:
The temperature sensor on this radiosonde broke after launch.  All the temperature-related 
data are incorrect.
Measurements:twpsondewnpnC2.b1:
  • Relative humidity scaled, by total column amount from MWR(rh)
  • Dry-Bulb Temperature(tdry)
  • Surface dew point temperature(dp)

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DQRID : D060403.2
Start DateStart TimeEnd DateEnd Time
03/27/2006004303/27/20060208
Subject:
TWP/SONDE/C2  - Broken temperature sensor
DataStreams:twpsondewnpnC2.b1
Description:
The temperature sensor on this radiosonde broke after launch.  All the temperature-related 
data are incorrect.
Measurements:twpsondewnpnC2.b1:
  • Relative humidity scaled, by total column amount from MWR(rh)
  • Dry-Bulb Temperature(tdry)
  • Surface dew point temperature(dp)

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DQRID : D060418.1
Start DateStart TimeEnd DateEnd Time
04/10/2006024704/10/20060314
Subject:
TWP/SONDE/C2  - Bad RH in lower 8km
DataStreams:twpsondewnpnC2.b1
Description:
It appears that the RH sensor heating circuit failed during this sounding.  The RH 
oscillates rapidly between low (~0 %RH) and not so low (ambient %RH) and the oscillation seems 
to stop when the temperature is below ~35 degC.  According to Vaisala these are symptoms 
of failure in the ASIC (application specific integrated circuit) that controls the heating.
Measurements:twpsondewnpnC2.b1:
  • Relative humidity scaled, by total column amount from MWR(rh)
  • Surface dew point temperature(dp)

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