Data Quality Reports for Session: 153982 User: jefferson Completed: 10/23/2013


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D121102.1PVC/MET/M1 - False positive precipitationpvcmetM1.b1
D121218.2PVC/MET/M1 - Tower loweredpvcmetM1.b1
D130117.4PVC/MET/M1 - PWD data intermittently missingpvcmetM1.b1
D130508.2PVC/MET/M1 - PWD failurepvcmetM1.b1
D130617.1PVC/MET/M1 - T/RH sensor failurepvcmetM1.b1


DQRID : D121102.1
Start DateStart TimeEnd DateEnd Time
08/11/2012000010/25/20121309
Subject:
PVC/MET/M1 - False positive precipitation
DataStreams:pvcmetM1.b1
Description:
Optical rain gauge recorded significantly more precipitation than expected. Instrument was 
removed/replaced and sent for recalibration.
Measurements:pvcmetM1.b1:
  • org_carrier_mean
  • Rain, surface, 1-min avg(precip_rate_mean)
  • precip_rate_min
  • precip_rate_sd
  • precip_rate_max


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DQRID : D121218.2
Start DateStart TimeEnd DateEnd Time
10/30/2012200012/13/20121830
Subject:
PVC/MET/M1 - Tower lowered
DataStreams:pvcmetM1.b1
Description:
The tower containing the wind sensor was not at full-height of 10 meters following 
Hurricane Sandy.
Measurements:pvcmetM1.b1:
  • wind_spd_arith_max
  • wind_dir_sd
  • wind_spd_arith_min
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • wind_spd_arith_sd
  • Wind speed, lower, 1-min avg(wind_spd_arith_avg)


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DQRID : D130117.4
Start DateStart TimeEnd DateEnd Time
10/29/2012170012/28/20120508
Subject:
PVC/MET/M1 - PWD data intermittently missing
DataStreams:pvcmetM1.b1
Description:
Present weather detector was occasionally reporting a hardware problem during this time. 
The reported error did not affect visibility readings, but caused all other data to report 
as missing. Error resolved its self with no indication of the problem cause.
Measurements:pvcmetM1.b1:
  • pwd_cumul_snow
  • pwd_pw_code_1_hr
  • pwd_avg_H2O_int_1_min
  • pwd_pw_code_inst
  • pwd_pw_code_15_min
  • pwd_cumul_water


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DQRID : D130508.2
Start DateStart TimeEnd DateEnd Time
01/27/2013041204/15/20131435
Subject:
PVC/MET/M1 - PWD failure
DataStreams:pvcmetM1.b1
Description:
Lens and rain sensor in present weather detector failed. Data during this time are suspect 
or missing.
Measurements:pvcmetM1.b1:
  • pwd_cumul_snow
  • pwd_pw_code_1_hr
  • Average 10 min visibility(pwd_avg_vis_10_min)
  • pwd_avg_H2O_int_1_min
  • pwd_pw_code_inst
  • pwd_pw_code_15_min
  • pwd_cumul_water
  • Average 1 min visibility(pwd_avg_vis_1_min)


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DQRID : D130617.1
Start DateStart TimeEnd DateEnd Time
05/21/2013112505/31/20131255
06/03/2013125806/03/20132002
Subject:
PVC/MET/M1 - T/RH sensor failure
DataStreams:pvcmetM1.b1
Description:
Temperature, relative humidity, and vapor pressure data are incorrect due to a failed 
sensor. Sensor replacement corrected the problem.
Measurements:pvcmetM1.b1:
  • Relative humidity mean(relh_mean)
  • vappress_sd
  • relh_sd
  • Vapor pressure mean(vappress_mean)
  • temp_sd
  • Mean Air Temperature or Hardware Error(temp_mean)


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