Data Quality Reports for Session: 150114 User: ttaywhocke Completed: 05/13/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D120105.2NSA/MET/C1 - Frosting/CondensationnsametC1.b1
D120423.1NSA/MET/C1 - CMH failurensametC1.b1
D121108.1NSA/MET/C1 - 10m wind data not reportingnsametC1.b1, nsatwrC1.b1
D121128.1NSA/MET/C1 - Incorrect liquid precipitation accumulationnsametC1.b1


DQRID : D120105.2
Start DateStart TimeEnd DateEnd Time
11/08/2011000002/22/20132035
Subject:
NSA/MET/C1 - Frosting/Condensation
DataStreams:nsametC1.b1
Description:
Beginning 20111108, the PWD began occasionally frosting over, signaling an alarm code and 
sometimes causing the PWD to stop reporting. A new PWD with hood heater attachment was 
installed 20130222.
Measurements:nsametC1.b1:
  • Rain, surface, 1-min avg(pws_precip_rate_mean_1min)
  • pws_cumul_snow
  • pws_pw_code_15min
  • PWS 10 minute mean visibility(pws_vis_mean_10min)
  • pws_pw_code_inst
  • pws_err_code
  • pws_cumul_rain
  • PWS 1 minute mean visibility(pws_vis_mean_1min)
  • pws_pw_code_1hr

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DQRID : D120423.1
Start DateStart TimeEnd DateEnd Time
12/07/2011221512/07/20112330
12/08/2011014512/08/20111345
12/25/2011030012/25/20110630
01/02/2012160001/03/20121900
01/05/2012033001/06/20120030
01/07/2012113001/08/20120100
01/08/2012073001/08/20120800
01/08/2012113001/09/20120000
01/14/2012080001/14/20121545
01/16/2012194501/17/20121945
01/18/2012180001/18/20121900
03/04/2012000003/04/20120200
12/04/2011130012/04/20111730
12/05/2011000012/05/20112100
12/05/2011213012/07/20110645
Subject:
NSA/MET/C1 - CMH failure
DataStreams:nsametC1.b1
Description:
Starting 14:17 GMT on 12/4/2011 the CMH Dew Point began reporting missing value, CMH 
relative humidity was flat-lining at 100% and CMH saturated vapor pressure was flat-lined at a 
high value.  This condition continued very intermittently for several months.  Issue was 
frosting and a failed ventilation fan.
Measurements:nsametC1.b1:
  • cmh_dew_point
  • cmh_temp
  • cmh_vapor_pressure
  • cmh_rh
  • cmh_sat_vapor_pressure

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DQRID : D121108.1
Start DateStart TimeEnd DateEnd Time
09/26/2012200010/03/20122330
Subject:
NSA/MET/C1 - 10m wind data not reporting
DataStreams:nsametC1.b1, nsatwrC1.b1
Description:
10 meter wind speed and direction data were not reporting after a scheduled power outage 
took place.   Sensor was replaced.
Measurements:nsametC1.b1:
  • Wind speed, lower, 1-min avg(wspd_arith_mean)
  • Wind speed vector mean(wspd_vec_mean)
  • wdir_vec_std
  • Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
nsatwrC1.b1:
  • wdir_vec_std
  • Wind speed, lower, 1-min avg(wspd_arith_mean)
  • Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
  • Wind speed vector mean(wspd_vec_mean)

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DQRID : D121128.1
Start DateStart TimeEnd DateEnd Time
02/04/2012102902/13/20120223
Subject:
NSA/MET/C1 - Incorrect liquid precipitation accumulation
DataStreams:nsametC1.b1
Description:
A problem with the present weather detector's firmware caused negative precipitation 
accumulation to be recorded. The problem was fixed with a sensor swap.
Measurements:nsametC1.b1:
  • pws_cumul_rain

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