Data Quality Reports for Session: 151205 User: sbaxter Completed: 06/28/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D110803.1NSA/ARSCL/C1 - Reflectivity too highnsaarscl1clothC1.c1, nsammcrmode1bl200712011clothC1.c1, nsammcrmode2ci200712011clothC1.c1,
nsammcrmode3ge200712011clothC1.c1, nsammcrmode4ro200712011clothC1.c1


DQRID : D110803.1
Start DateStart TimeEnd DateEnd Time
01/10/2010000001/18/20101830
02/10/2010000002/23/20100230
Subject:
NSA/ARSCL/C1 - Reflectivity too high
DataStreams:nsaarscl1clothC1.c1, nsammcrmode1bl200712011clothC1.c1, nsammcrmode2ci200712011clothC1.c1,
nsammcrmode3ge200712011clothC1.c1, nsammcrmode4ro200712011clothC1.c1
Description:
The calibration of the MMCR was incorrect during this period, causing large positive 
shifts in reported reflectivity values.  As a result, the reflectivies reported by ARSCL are 
also too high.  However, other radar moments (MeanDopplerVelocity and SpectralWidth) and 
cloud boundaries reported in ARSCL data files are not affected and can be used.

Do not use ReflectivityBestEstimate, Reflectivity, or ReflectivityNoClutter values during 
this period.
Measurements:nsammcrmode4ro200712011clothC1.c1:
  • Cloud, reflectivity, at altitude(Reflectivity)
nsammcrmode3ge200712011clothC1.c1:
  • Cloud, reflectivity, at altitude(Reflectivity)
nsammcrmode1bl200712011clothC1.c1:
  • Cloud, reflectivity, at altitude(Reflectivity)
nsammcrmode2ci200712011clothC1.c1:
  • Cloud, reflectivity, at altitude(Reflectivity)
nsaarscl1clothC1.c1:
  • MMCR Reflectivity, Best estimate, Hydrometer(ReflectivityBestEstimate)
  • Cloud, reflectivity, at altitude(Reflectivity)
  • MMCR Reflectivity, clutter removed(ReflectivityNoClutter)

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