Data Quality Reports for Session: 143482 User: dipierro Completed: 07/03/2012


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D040722.3NSA/METTWR/C2 - Chilled Mirror grounding and timing issuesnsamettwr2hC2.b1
D041004.1NSA/METTWR/C2 - Data Incorrect during Maintenancensamettwr2hC2.b1
D041004.2NSA/METTWR/C2 - All Data Missing or Incorrect during Maintenancensamettwr2hC2.b1
D041004.3NSA/METTWR/C2 - PWS Data Suspectnsamettwr2hC2.b1
D041112.1NSA/METTWR/C2 - Instrument problemnsamettwr2hC2.b1
D050224.1NSA/METTWR/C2 - Tower Lowerednsamettwr2hC2.b1
D050527.3NSA/METTWR/C2 - Incorrect Maximum for Precip Valuesnsamettwr2hC2.b1
D050603.2NSA/METTWR/C2 - CMH Data Missing During Calibrationnsamettwr2hC2.b1
D050829.1NSA/METTWR/C2 - Tower Lowered, Data Not Representativensamettwr2hC2.b1
D060223.2NSA/METTWR/C2 - Wind speed values artificially lownsamettwr2hC2.b1
D060223.3NSA/METTWR/C2 - CMH Data incorrectnsamettwr2hC2.b1
D060223.4NSA/METTWR/C2 - PWS data incorrectnsamettwr2hC2.b1
D060406.2NSA/METTWR/C2 - CMH Intake Fan Failurensamettwr2hC2.b1
D060426.2NSA/METTWR/C2 - CMH Data Suspectnsamettwr2hC2.b1
D060426.4NSA/METTWR/C2 - CMH Data Suspectnsamettwr2hC2.b1
D060818.1NSA/METTWR/C2 - Reprocess: Barometric Data Changed from hPa to kPansamettwr2hC2.b1
D060913.2NSA/METTWR/C2 - CMH data missing and/or incorrect during maintenance.nsamettwr2hC2.b1
D060913.3NSA/METTWR/C2 - PWS data missing/incorrect due to maintenance.nsamettwr2hC2.b1
D060913.4NSA/METTWR/C2 - Met data incorrect due to tower being lowered for maintenance.nsamettwr2hC2.b1
D061128.1NSA/METTWR/C2 - 2m Temp/RH sensor blocked with snownsamettwr2hC2.b1


DQRID : D040722.3
Start DateStart TimeEnd DateEnd Time
11/06/2003171907/14/20041500
Subject:
NSA/METTWR/C2 - Chilled Mirror grounding and timing issues
DataStreams:nsamettwr2hC2.b1
Description:
From beginning of data stream, the chilled mirror data was intermittent at best.  Problems 
with grounding and timing issues between logging instruments caused data to be incorrect 
and at times missing.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D041004.1
Start DateStart TimeEnd DateEnd Time
09/17/2004013009/17/20040411
Subject:
NSA/METTWR/C2 - Data Incorrect during Maintenance
DataStreams:nsamettwr2hC2.b1
Description:
The 10m tower was lowered for 2-year change-out of the met sensors.  Data during this time 
is not representative.
Measurements:nsamettwr2hC2.b1:
  • RefTemp_AVG
  • RH2m_STD
  • DP5m_STD
  • Wind speed, vector-averaged(WinSpeed_U_WVT)
  • Relative humidity, average, at 2-m height(RH5m_AVG)
  • QLIVolt_AVG
  • VP5m_STD
  • WinDir_SDU_WVT
  • Temperature, air, average, at 2-m height(T2m_AVG)
  • T2m_STD
  • Wind speed, mean(WinSpeed_S_WVT)
  • Temperature, dew point, average, at 5-m height(DP5m_AVG)
  • VP2m_STD
  • T5m_STD
  • Pressure, vapor, at 2-m height(VP2m_AVG)
  • RH5m_STD
  • SatVPCMH
  • Relative humidity, average, at 2-m height(RH2m_AVG)
  • Pressure, vapor, at 5-m height(VP5m_AVG)
  • DP2m_STD
  • Temperature, dew point, average, at 2-m height(DP2m_AVG)
  • Wind direction, vector-averaged(WinDir_DU_WVT)
  • Temperature, air, average, at 5-m height(T5m_AVG)


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DQRID : D041004.2
Start DateStart TimeEnd DateEnd Time
09/17/2004221709/18/20040047
09/18/2004232409/19/20040307
Subject:
NSA/METTWR/C2 -  All Data Missing or Incorrect during Maintenance
DataStreams:nsamettwr2hC2.b1
Description:
All data incorrect or missing due to change of the Serial Data multiplexer and the Vaisala 
QLI data collector during these times.
Measurements:nsamettwr2hC2.b1:
  • RH2m_STD
  • RefTemp_AVG
  • Relative humidity, average, at 2-m height(RH5m_AVG)
  • QLIVolt_AVG
  • VP5m_STD
  • PWcod15mi
  • Precipitation Rate(PCPRate)
  • CMHTemp
  • T5m_STD
  • VPCMH
  • CMHDP
  • Pressure, vapor, at 5-m height(VP5m_AVG)
  • DP2m_STD
  • Temperature, dew point, average, at 2-m height(DP2m_AVG)
  • Wind direction, vector-averaged(WinDir_DU_WVT)
  • PWCod1hr
  • batt_volt
  • CumSnow
  • Wind speed, vector-averaged(WinSpeed_U_WVT)
  • DP5m_STD
  • CumH2O
  • WinDir_SDU_WVT
  • CMHRH
  • Temperature, air, average, at 2-m height(T2m_AVG)
  • T2m_STD
  • Wind speed, mean(WinSpeed_S_WVT)
  • Temperature, dew point, average, at 5-m height(DP5m_AVG)
  • VP2m_STD
  • Pressure, atmospheric(AtmPress)
  • Pressure, vapor, at 2-m height(VP2m_AVG)
  • PWSAlarm
  • RH5m_STD
  • SatVPCMH
  • InstPWCod
  • Relative humidity, average, at 2-m height(RH2m_AVG)
  • Visibility, 1 minute average(AvgVis1mi)
  • Temperature, air, average, at 5-m height(T5m_AVG)
  • Visibility, 10 minute average(AvgVis10m)


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DQRID : D041004.3
Start DateStart TimeEnd DateEnd Time
09/18/2004004809/18/20042323
09/19/2004030709/19/20041530
Subject:
NSA/METTWR/C2 - PWS Data Suspect
DataStreams:nsamettwr2hC2.b1
Description:
Data from the PWS is suspect during these times due to problems when the system was 
re-calibrated.  System was corrected.
Measurements:nsamettwr2hC2.b1:
  • PWCod1hr
  • CumSnow
  • PWSAlarm
  • CumH2O
  • PWcod15mi
  • InstPWCod
  • Visibility, 1 minute average(AvgVis1mi)
  • Precipitation Rate(PCPRate)
  • Visibility, 10 minute average(AvgVis10m)


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DQRID : D041112.1
Start DateStart TimeEnd DateEnd Time
11/11/2004201711/12/20042246
Subject:
NSA/METTWR/C2 - Instrument problem
DataStreams:nsamettwr2hC2.b1
Description:
CMH and PWS stopped reporting.  Communication cable found to be broken.
Measurements:nsamettwr2hC2.b1:
  • PWCod1hr
  • CumSnow
  • CumH2O
  • PWcod15mi
  • CMHRH
  • Precipitation Rate(PCPRate)
  • CMHTemp
  • VPCMH
  • CMHDP
  • PWSAlarm
  • SatVPCMH
  • InstPWCod
  • Visibility, 1 minute average(AvgVis1mi)
  • Visibility, 10 minute average(AvgVis10m)


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DQRID : D050224.1
Start DateStart TimeEnd DateEnd Time
02/15/2005225002/15/20052330
Subject:
NSA/METTWR/C2 - Tower Lowered
DataStreams:nsamettwr2hC2.b1
Description:
The tower was lowered to install the GroundMFR.  Data from the T/RH probes and the wind 
speed and direction sensors are not representative during the time period.
Measurements:nsamettwr2hC2.b1:
  • RH2m_STD
  • Wind speed, vector-averaged(WinSpeed_U_WVT)
  • DP5m_STD
  • Relative humidity, average, at 2-m height(RH5m_AVG)
  • WinDir_SDU_WVT
  • VP5m_STD
  • Temperature, air, average, at 2-m height(T2m_AVG)
  • T2m_STD
  • Wind speed, mean(WinSpeed_S_WVT)
  • Temperature, dew point, average, at 5-m height(DP5m_AVG)
  • VP2m_STD
  • T5m_STD
  • Pressure, vapor, at 2-m height(VP2m_AVG)
  • RH5m_STD
  • Relative humidity, average, at 2-m height(RH2m_AVG)
  • Pressure, vapor, at 5-m height(VP5m_AVG)
  • DP2m_STD
  • Temperature, dew point, average, at 2-m height(DP2m_AVG)
  • Wind direction, vector-averaged(WinDir_DU_WVT)
  • Temperature, air, average, at 5-m height(T5m_AVG)


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DQRID : D050527.3
Start DateStart TimeEnd DateEnd Time
11/06/2003000005/26/20051014
Subject:
NSA/METTWR/C2 - Incorrect Maximum for Precip Values
DataStreams:nsamettwr2hC2.b1
Description:
The max values for cumulative rain sum of 99 mm and the rain rate of 999 mm/hr are 
incorrect.  In communication with the manufacturer it has been found that the manual was in 
error.  The actual max values of the cumulative rain sum is 99.99 mm and the rain rate is 
999.99 mm/hr.
Measurements:nsamettwr2hC2.b1:
  • CumH2O
  • Precipitation Rate(PCPRate)


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DQRID : D050603.2
Start DateStart TimeEnd DateEnd Time
06/03/2005012306/03/20050229
Subject:
NSA/METTWR/C2 - CMH Data Missing During Calibration
DataStreams:nsamettwr2hC2.b1
Description:
The CMH was removed for it's bi-annual cleaning and calibration.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D050829.1
Start DateStart TimeEnd DateEnd Time
08/22/2005183008/22/20051850
Subject:
NSA/METTWR/C2 - Tower Lowered, Data Not Representative
DataStreams:nsamettwr2hC2.b1
Description:
The tower was lowered to remove equipment.  The data from the wind sensors and T/RH probes 
were not representative.
Measurements:nsamettwr2hC2.b1:
  • RH2m_STD
  • Wind speed, vector-averaged(WinSpeed_U_WVT)
  • DP5m_STD
  • Relative humidity, average, at 2-m height(RH5m_AVG)
  • WinDir_SDU_WVT
  • VP5m_STD
  • Temperature, air, average, at 2-m height(T2m_AVG)
  • T2m_STD
  • Wind speed, mean(WinSpeed_S_WVT)
  • Temperature, dew point, average, at 5-m height(DP5m_AVG)
  • VP2m_STD
  • T5m_STD
  • Pressure, vapor, at 2-m height(VP2m_AVG)
  • RH5m_STD
  • Relative humidity, average, at 2-m height(RH2m_AVG)
  • Pressure, vapor, at 5-m height(VP5m_AVG)
  • DP2m_STD
  • Temperature, dew point, average, at 2-m height(DP2m_AVG)
  • Wind direction, vector-averaged(WinDir_DU_WVT)
  • Temperature, air, average, at 5-m height(T5m_AVG)


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DQRID : D060223.2
Start DateStart TimeEnd DateEnd Time
02/19/2006190002/20/20061627
Subject:
NSA/METTWR/C2 - Wind speed values artificially low
DataStreams:nsamettwr2hC2.b1
Description:
Wind speed values were artificially low due to snow/ice accumulation on the anemometer 
cups during blizzard conditions.  The heaters on the cups were not able to keep up with 
conditions.
Measurements:nsamettwr2hC2.b1:
  • Wind speed, vector-averaged(WinSpeed_U_WVT)
  • Wind speed, mean(WinSpeed_S_WVT)


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DQRID : D060223.3
Start DateStart TimeEnd DateEnd Time
02/19/2006140502/20/20061107
02/21/2006061902/21/20062255
Subject:
NSA/METTWR/C2 - CMH Data incorrect
DataStreams:nsamettwr2hC2.b1
Description:
CMH data was incorrect due to blockage of intake by heavy, wet snow during blizzard 
conditions.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D060223.4
Start DateStart TimeEnd DateEnd Time
02/21/2006111302/21/20062359
Subject:
NSA/METTWR/C2 - PWS data incorrect
DataStreams:nsamettwr2hC2.b1
Description:
The Present Weather Sensor measurement optics were blocked by heavy, wet snow during 
blizzard conditions.
Measurements:nsamettwr2hC2.b1:
  • PWCod1hr
  • CumSnow
  • PWSAlarm
  • CumH2O
  • PWcod15mi
  • InstPWCod
  • Visibility, 1 minute average(AvgVis1mi)
  • Precipitation Rate(PCPRate)
  • Visibility, 10 minute average(AvgVis10m)


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DQRID : D060406.2
Start DateStart TimeEnd DateEnd Time
04/04/2006191404/06/20062025
Subject:
NSA/METTWR/C2 - CMH Intake Fan Failure
DataStreams:nsamettwr2hC2.b1
Description:
Intake fan failing causing poor readings from the CMH.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D060426.2
Start DateStart TimeEnd DateEnd Time
04/06/2006221204/11/20061812
Subject:
NSA/METTWR/C2 - CMH Data Suspect
DataStreams:nsamettwr2hC2.b1
Description:
CMH data was suspect due to incorrect intake fan installed.  Proper spares were not on 
hand.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D060426.4
Start DateStart TimeEnd DateEnd Time
04/20/2006153504/20/20062110
Subject:
NSA/METTWR/C2 - CMH Data Suspect
DataStreams:nsamettwr2hC2.b1
Description:
CMH data was suspect due to blockage of intake by snow.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D060818.1
Start DateStart TimeEnd DateEnd Time
11/06/2003000007/12/20061853
Subject:
NSA/METTWR/C2 - Reprocess: Barometric Data Changed from hPa to kPa
DataStreams:nsamettwr2hC2.b1
Description:
Barometric pressure data was converted from hPa to kPa in order to standardize the 
measurement units among ARM sites and to conform to accepted standard units determined by the 
scientific community.
Measurements:nsamettwr2hC2.b1:
  • Pressure, atmospheric(AtmPress)


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DQRID : D060913.2
Start DateStart TimeEnd DateEnd Time
08/11/2006175608/11/20061925
Subject:
NSA/METTWR/C2 - CMH data missing and/or incorrect during maintenance.
DataStreams:nsamettwr2hC2.b1
Description:
CMH measured data was missing and the derived variables were incorrect due to routine 
maintenance.
Measurements:nsamettwr2hC2.b1:
  • VPCMH
  • CMHDP
  • SatVPCMH
  • CMHRH
  • CMHTemp


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DQRID : D060913.3
Start DateStart TimeEnd DateEnd Time
08/21/2006222808/21/20062329
08/22/2006023308/22/20060301
08/23/2006221408/23/20062219
08/24/2006161708/24/20061628
08/25/2006025708/25/20060309
09/01/2006015809/01/20060331
Subject:
NSA/METTWR/C2 - PWS data missing/incorrect due to maintenance.
DataStreams:nsamettwr2hC2.b1
Description:
Present Weather Sensor data was missing or incorrect due to maintenance activities 
repeated approximately daily as we were trying to correct another problem.
Measurements:nsamettwr2hC2.b1:
  • PWCod1hr
  • CumSnow
  • PWSAlarm
  • CumH2O
  • PWcod15mi
  • InstPWCod
  • Visibility, 1 minute average(AvgVis1mi)
  • Precipitation Rate(PCPRate)
  • CMHTemp
  • Visibility, 10 minute average(AvgVis10m)


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DQRID : D060913.4
Start DateStart TimeEnd DateEnd Time
08/11/2006195208/11/20062006
Subject:
NSA/METTWR/C2 - Met data incorrect due to tower being lowered for maintenance.
DataStreams:nsamettwr2hC2.b1
Description:
Data from the tower is not representative of local conditions due to the tower being 
lowered for radiometer change.  Sensors not attached to the tower such as the Present Weather 
Sensor, the Chilled Mirror Hygrometer and the Barometer were not affected.
Measurements:nsamettwr2hC2.b1:
  • RH2m_STD
  • Wind speed, vector-averaged(WinSpeed_U_WVT)
  • DP5m_STD
  • Relative humidity, average, at 2-m height(RH5m_AVG)
  • WinDir_SDU_WVT
  • VP5m_STD
  • Temperature, air, average, at 2-m height(T2m_AVG)
  • T2m_STD
  • Wind speed, mean(WinSpeed_S_WVT)
  • Temperature, dew point, average, at 5-m height(DP5m_AVG)
  • VP2m_STD
  • T5m_STD
  • Pressure, vapor, at 2-m height(VP2m_AVG)
  • RH5m_STD
  • Relative humidity, average, at 2-m height(RH2m_AVG)
  • Pressure, vapor, at 5-m height(VP5m_AVG)
  • DP2m_STD
  • Temperature, dew point, average, at 2-m height(DP2m_AVG)
  • Wind direction, vector-averaged(WinDir_DU_WVT)
  • Temperature, air, average, at 5-m height(T5m_AVG)


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DQRID : D061128.1
Start DateStart TimeEnd DateEnd Time
11/27/2006060811/27/20062226
Subject:
NSA/METTWR/C2 - 2m Temp/RH sensor blocked with snow
DataStreams:nsamettwr2hC2.b1
Description:
The 2m RH, Dew Point and Vapor Pressure values are incorrect due to the intake of the 
aspirated shield being blocked with snow and ice.  The RH% values are artificially larger 
than the 5m and Chilled Mirror values.
Measurements:nsamettwr2hC2.b1:
  • RH2m_STD
  • Pressure, vapor, at 2-m height(VP2m_AVG)
  • Relative humidity, average, at 2-m height(RH2m_AVG)
  • DP2m_STD
  • Temperature, dew point, average, at 2-m height(DP2m_AVG)
  • VP2m_STD


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