Data Quality Reports for Session: 105210 User: ericakey Completed: 04/16/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D020725.5NSA/ISSSONDE/C1 - Reprocess: Pressure variable name unstablensaisssondeC1.a1, nsaisssonde10sC1.a1
D041208.2NSA/SONDE/C1 - Incorrect surface altitudensaisssondeC1.00, nsaisssondeC1.a1, nsaisssonde10sC1.00, nsaisssonde10sC1.a1


DQRID : D020725.5
Start DateStart TimeEnd DateEnd Time
04/01/2001000001/13/20022359
Subject:
NSA/ISSSONDE/C1 - Reprocess: Pressure variable name unstable
DataStreams:nsaisssondeC1.a1, nsaisssonde10sC1.a1
Description:
During the time period referenced, the variable for pressure should have been recorded as 
"pres", but instead was recorded as "press" for the first 8 months and then was unstable 
for the next 2 months with some headers reporting pressure as "pres" and others reporting 
pressure as "press".  From 1/14/02 onward the variable name is consistently "pres".

Data quality are not affected, but the variability may prove challenging for users.  A 
reprocessing request has been submitted.
Measurements:nsaisssonde10sC1.a1:
  • pressure at constant pressure surface(pres)

nsaisssondeC1.a1:
  • pressure at constant pressure surface(pres)


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DQRID : D041208.2
Start DateStart TimeEnd DateEnd Time
05/21/1998000005/10/20022359
Subject:
NSA/SONDE/C1 - Incorrect surface altitude
DataStreams:nsaisssondeC1.00, nsaisssondeC1.a1, nsaisssonde10sC1.00, nsaisssonde10sC1.a1
Description:
The value of the station altitude (relative to mean sea level) is
incorrect in all NSA radiosonde files prior to 2/14/2004.  The correct
value is 8 m.  The incorrect value can be different.  Prior to 4/24/2002
(in platform nsaisssonde...) it was given as 12 m.  From 4/24/2002 to
2/13/2004 (in platform nsasondewnpn...) it is almost always given as
27 m (sometimes [rarely] 17 m).
Measurements:nsaisssonde10sC1.a1:
  • altitude above sea levelaltunits(alt)

nsaisssonde10sC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)

nsaisssondeC1.a1:
  • altitude above sea levelaltunits(alt)

nsaisssondeC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)


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