Data Quality Reports for Session: 180136 User: zhuangy1 Completed: 10/03/2016

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D020613.3TWP/C2 Installationtwparscl1clothC2.c1Suspect
D061219.2TWP/ARSCL/C2 - Reprocess: ARSCL CloudBasePrecipitation field incorrecttwparscl1clothC2.c1Incorrect
D070104.1TWP/ARSCL/C2 - Reprocess: ARSCL CloudBasePrecipitation field incorrecttwparscl1clothC2.c1Incorrect
D080415.1TWP/ARSCL/C2 - Bad MMCR datatwparscl1clothC2.c1Incorrect


DQRID : D020613.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/01/1998000211/19/19982359Suspect
Subject:
TWP/C2  Installation
DataStreams:twparscl1clothC2.c1
Description:
The Nauru ARCS was installed during the period September-November
1998.  Data were being collected by the end of October, but for the
first several weeks of November, the site was undergoing considerable
change, so data from that period should be used with caution.  The
official site dedication occured on November 20.  Most on-site
activity ended following the dedication so we will consider November
20 to be the beginning of the Nauru operations.  The last members of
the installation team left Nauru on November 24.
Measurements:twparscl1clothC2.c1:
  • Reflectivity(Reflectivity)
  • CloudLayerBottomHeightMplCamp
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • CloudBase, Best estimate(CloudBaseBestEstimate)
  • SignaltoNoiseRatio
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • MMCR Reflectivity, Best estimate, Hydrometer(ReflectivityBestEstimate)
  • time_offset
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • Heights
  • MPL Cloth et al. Algorithm Cloud Mask(CloudMaskMplCloth)
  • CloudLayerTopHeightMplCamp
  • RadarFirstTop
  • CloudLayerTopHeightMplCloth
  • ModeId
  • Cloud Mask Occurrence, MPL Campbell et al. algorithm(CloudMaskMplCamp)
  • MMCR Reflectivity, clutter removed(ReflectivityNoClutter)
  • CloudBasePrecipitation
  • CloudLayerBottomHeightMplCloth
  • base_time
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)

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DQRID : D061219.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/11/2003000001/31/20052359Incorrect
Subject:
TWP/ARSCL/C2 - Reprocess: ARSCL CloudBasePrecipitation field incorrect
DataStreams:twparscl1clothC2.c1
Description:
The CloudBasePrecipitation field is incorrect and has no physical meaning.  An ARSCL 
processing error occurred when the smet60s data stream format changed, causing the wrong data 
field to be used to supply precipitation measurements to the ARSCL VAP.	The error caused 
no significant degradation in other ARSCL fields, since manual quality control corrected 
any related errors.
Measurements:twparscl1clothC2.c1:
  • CloudBasePrecipitation

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DQRID : D070104.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
03/01/2003000009/10/20032359Incorrect
Subject:
TWP/ARSCL/C2 - Reprocess: ARSCL CloudBasePrecipitation field incorrect
DataStreams:twparscl1clothC2.c1
Description:
The CloudBasePrecipitation field is incorrect and has no physical meaning. 
An ARSCL processing error occurred when the smet60s data stream format
changed, causing the wrong data field to be used to supply precipitation
measurements to the ARSCL VAP.  The error caused no significant
degradation in other ARSCL fields, since manual quality control corrected
any related errors.
Measurements:twparscl1clothC2.c1:
  • CloudBasePrecipitation

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DQRID : D080415.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/20/1999000012/29/19992359Incorrect
Subject:
TWP/ARSCL/C2 - Bad MMCR data
DataStreams:twparscl1clothC2.c1
Description:
The MMCR was not operating properly during this period so the data should not have been 
used in determining cloud boundaries or radar moments.
Measurements:twparscl1clothC2.c1:
  • Reflectivity(Reflectivity)
  • CloudLayerTopHeightMplCamp
  • CloudLayerBottomHeightMplCamp
  • RadarFirstTop
  • CloudLayerTopHeightMplCloth
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • SignaltoNoiseRatio
  • MMCR Reflectivity, clutter removed(ReflectivityNoClutter)
  • MMCR Reflectivity, Best estimate, Hydrometer(ReflectivityBestEstimate)
  • CloudLayerBottomHeightMplCloth

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