Data Quality Reports for Session: 147443 User: sws0982 Completed: 01/29/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D020110.1SGP/SONDE/C1 - Bad temperature in SGP/CF sounding 20020108:0528sgpsondewnpnC1.a1, sgpsondewnpnC1.b1
D020524.27SGP/SONDE/C1 - CF sounding 20020522:1130 bad temperature/RHsgpsondewnpnC1.a1, sgpsondewnpnC1.b1
D020526.1SGP/SONDE/C1 - Bad T/RH data in CF sounding 20020523:1129sgpsondewnpnC1.a1, sgpsondewnpnC1.b1
D060928.3SGP/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdrysgpsondewnpnC1.b1


DQRID : D020110.1
Start DateStart TimeEnd DateEnd Time
01/08/2002052801/08/20020714
Subject:
SGP/SONDE/C1 - Bad temperature in SGP/CF sounding 20020108:0528
DataStreams:sgpsondewnpnC1.a1, sgpsondewnpnC1.b1
Description:
Temperature values in this sounding went from 3.5 degC at the surface to
-33.3 degC at the next sample.  It appears that all the remaining
temperature values have an approximate -35 degC offset.  The pressure
and RH values appear reasonable.
Measurements:sgpsondewnpnC1.b1:
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
sgpsondewnpnC1.a1:
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)

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DQRID : D020524.27
Start DateStart TimeEnd DateEnd Time
05/22/2002113005/22/20021347
Subject:
SGP/SONDE/C1 - CF sounding 20020522:1130 bad temperature/RH
DataStreams:sgpsondewnpnC1.a1, sgpsondewnpnC1.b1
Description:
It appears that the sonde sensor boom was damaged upon launch.  The result
is that no RH data are reported and the reported temperature is something on
the order of 60 degC too low.
Measurements:sgpsondewnpnC1.b1:
  • alt
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
  • Humidity, relative(rh)
  • asc
sgpsondewnpnC1.a1:
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
  • alt
  • Humidity, relative(rh)
  • asc

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DQRID : D020526.1
Start DateStart TimeEnd DateEnd Time
05/23/2002112905/23/20021322
Subject:
SGP/SONDE/C1 - Bad T/RH data in CF sounding 20020523:1129
DataStreams:sgpsondewnpnC1.a1, sgpsondewnpnC1.b1
Description:
It appears that the sensor boom was damaged shortly after launch.  The
temperature reading jumps -60 degC and the RH goes to 0.
Measurements:sgpsondewnpnC1.b1:
  • alt
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
  • Humidity, relative(rh)
  • asc
sgpsondewnpnC1.a1:
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
  • alt
  • Humidity, relative(rh)
  • asc

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DQRID : D060928.3
Start DateStart TimeEnd DateEnd Time
09/28/2006172812/31/99992359
Subject:
SGP/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdry
DataStreams:sgpsondewnpnC1.b1
Description:
The output precision of the following variables was increased 20060928

alt  changed from 1m to 0.1m
dp   changed from 0.1degC to 0.01degC
pres changed from 0.1 hPa to 0.01 hPa
RH   changed from 1%RH to 0.01%RH
tdry changed from .1degC to 0.01degC

Note that the increase in precision does not necessarily imply an increase in accuracy.  
Users are cautioned to continue to use their best scientific judgement when using these or 
any other data.
Measurements:sgpsondewnpnC1.b1:
  • alt
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
  • Humidity, relative(rh)
  • Pressure, atmospheric, constant value of model level, RUC model output(pres)

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