Data Quality Reports for Session: 153694 User: courtlaugh Completed: 10/09/2013


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060928.4NSA/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdrynsasondewnpnC1.b1
D130717.1NSA/GVRP/C1 - Incorrect surface temperature and humiditynsagvrpC1.b1


DQRID : D060928.4
Start DateStart TimeEnd DateEnd Time
09/29/2006050012/31/99992359
Subject:
NSA/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdry
DataStreams:nsasondewnpnC1.b1
Description:
The output precision of the following variables was increased 20060929:

   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:nsasondewnpnC1.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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DQRID : D130717.1
Start DateStart TimeEnd DateEnd Time
06/16/2013230607/11/20131730
Subject:
NSA/GVRP/C1 - Incorrect surface temperature and humidity
DataStreams:nsagvrpC1.b1
Description:
Surface temperature and surface relative humidity intermittently drop out for a period of 
time, and when the values come back they are much higher than expected.
Measurements:nsagvrpC1.b1:
  • Temperature, air, at instrument height (1 or 2 m)(surfaceTemperature)
  • Humidity, relative, at instrument height (1 or 2 m)(surfaceRelativeHumidity)


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