Data Quality Reports for Session: 138729 User: zhiyu1wang Completed: 11/14/2011


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D001107.2NSA/C1 data loss due to cut fiber optic cablensaorgC1.a1, nsapwsC1.a0, nsamettwrC1.a1
D011119.1NSA/PWS/C1 - Present Weather Sensor Calibration/ChecksnsapwsC1.a1, nsapwsC1.b1
D011128.2NSA/PWS/C1 - Calibration driftnsapwsC1.a1
D020424.1NSA/METTWRC1 - METTWRCQ DATA REPORTED AS -9999nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.b1, nsamettwrC1.a1, nsamettwrC1.b1
D020424.2NSA/METTWRC1 - METTWRC1 NO DATA COLLECTED FROM TOWERnsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.b1, nsamettwrC1.a1, nsamettwrC1.b1
D020703.2NSA/ORG/C1 - Optical Rain Gauge incorrect at very low temperaturesnsaorgC1.a1, nsaorgC1.b1
D020703.3NSA/ORG/C1 - Optical Rain Gauge incorrect at very low temperaturesnsaorgC1.a1
D030411.4NSA/C2 - Missing met, pws, snodep data due to comm errornsapwsC2.a1, nsapwsC2.b1, nsasnodepC2.a1, nsamettiptwrC2.a1, nsamettiptwrC2.b1
D030613.1NSA/PWS/C1 - C1/BARROW PWS WORKING INTERMITTENTLYnsapwsC1.a1, nsapwsC1.b1
D080717.1NSA/TPS/C1 - Reprocess: Incorrect temporal resolutionnsatpsC1.b1


DQRID : D001107.2
Start DateStart TimeEnd DateEnd Time
03/14/2000000004/06/20002359
Subject:
NSA/C1 data loss due to cut fiber optic cable
DataStreams:nsaorgC1.a1, nsapwsC1.a0, nsamettwrC1.a1
Description:
The fiber optic line connecting the MET TWR to the data collection
facility was accidentally cut during snow removal.  Data are 
unrecoverable.
Measurements:nsapwsC1.a0:
  • Precipitation rate(precip_rate)
  • One Minute Visibility(one_minute_visibility)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • ten_min_pw_code_out_of_range_error
  • one_minute_PW_code
  • one_min_pw_code_out_of_range_error
  • pws_read_timeout_error
  • lon
  • alt
  • one_hour_PW_code
  • pws_serial_error
  • one_hour_pw_code_out_of_range_error
  • cumul_snow_out_of_range_error
  • Ten Minute Visibility(ten_minute_visibility)
  • ten_minute_PW_code
  • ten_minute_vis_out_of_range_error
  • Cumulative Snow(cumulative_snow)
  • filename
  • time_offset
  • cumul_liq_water_equiv_out_of_range_err
  • lat
  • one_minute_vis_out_of_range_error
  • present_weather_sensor_NWS_code
  • precip_rate_out_of_range_error
  • base_time

nsamettwrC1.a1:
  • Barometric Pressure(atmos_pressure)
  • Maximum Wind Direction(wind_dir_max)
  • Mean Vapor Pressure(vap_pres_mean)
  • alt
  • wind_spd_sd
  • Maximum Vapor Pressure(vap_pres_max)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • base_time
  • relh_sd
  • dew_pt_temp_sd
  • lon
  • win_spd_out_of_range_error
  • temp_out_of_range_error
  • dew_pt_temp_out_of_range_error
  • temp_hardware_error
  • filename
  • vap_pres_out_of_range_error
  • Temperature minimum(temp_min)
  • Temperature maximum(temp_max)
  • Relative humidity maximum(relh_max)
  • time_offset
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • win_dir_out_of_range_error
  • vap_pres_sd
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Relative humidity minimum(relh_min)
  • internal_temp_out_of_range_error
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • atmos_pressure_out_of_range_error
  • Minimum Wind Speed(wind_spd_min)
  • wind_dir_sd
  • Mean Wind Speed(wind_spd_mean)
  • temp_sd
  • Minimum Wind Direction(wind_dir_min)
  • relh_out_of_range_error
  • atmos_pressure_read_timeout_error
  • atmos_pressure_PTB_serial_error
  • read_timeout_count
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Minimum Vapor Pressure(vap_pres_min)
  • Relative humidity mean(relh_mean)
  • Maximum Wind Speed(wind_spd_max)
  • lat
  • internal_voltage_out_of_range_error
  • dew_pt_hardware_error

nsaorgC1.a1:
  • precip_no_data_error
  • base_time
  • precip_read_timeout_error
  • precip_NWS_code
  • lat
  • precip_out_of_range_error
  • Precipitation rate(precip_rate)
  • alt
  • precip_daily_accum
  • precip_serial_error
  • lon
  • time_offset
  • filename


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DQRID : D011119.1
Start DateStart TimeEnd DateEnd Time
10/09/2001233210/10/20010037
Subject:
NSA/PWS/C1 - Present Weather Sensor Calibration/Checks
DataStreams:nsapwsC1.a1, nsapwsC1.b1
Description:
During the listed period the Barrow Present Weather Sensor was being
checked and calibrated and the data was incorrect.  The calibration was off more than 3% 
previous to the re-calibration.
Measurements:nsapwsC1.a1:
  • ten_min_pw_code_out_of_range_error
  • Precipitation rate(precip_rate)
  • one_minute_vis_out_of_range_error
  • one_min_pw_code_out_of_range_error
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • one_hour_pw_code_out_of_range_error
  • cumul_snow_out_of_range_error
  • Ten Minute Visibility(ten_minute_visibility)
  • cumul_liq_water_equiv_out_of_range_err
  • One Minute Visibility(one_minute_visibility)
  • Cumulative Snow(cumulative_snow)
  • precip_rate_out_of_range_error
  • ten_minute_vis_out_of_range_error

nsapwsC1.b1:
  • Ten Minute Visibility(ten_minute_visibility)
  • One Minute Visibility(one_minute_visibility)
  • cumul_snow_out_of_range_error
  • ten_minute_vis_out_of_range_error
  • Cumulative Snow(cumulative_snow)
  • one_min_pw_code_out_of_range_error
  • cumul_liq_water_equiv_out_of_range_err
  • one_minute_vis_out_of_range_error
  • one_hour_pw_code_out_of_range_error
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Precipitation rate(precip_rate)
  • ten_min_pw_code_out_of_range_error
  • precip_rate_out_of_range_error


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DQRID : D011128.2
Start DateStart TimeEnd DateEnd Time
05/23/2000000010/10/20010037
Subject:
NSA/PWS/C1 - Calibration drift
DataStreams:nsapwsC1.a1
Description:
The calibration of the sensor drifted downwards slightly more than 3% during the more than 
two years in between calibrations.  The drift had no significant impact on the data 
produced.  Note: the period of this DQR extends back prior to 20000503 when the datastream 
was named nsapwsC1.a0.
Measurements:nsapwsC1.a1:
  • Cumulative Snow(cumulative_snow)
  • Ten Minute Visibility(ten_minute_visibility)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Precipitation rate(precip_rate)
  • One Minute Visibility(one_minute_visibility)


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DQRID : D020424.1
Start DateStart TimeEnd DateEnd Time
02/04/2002100602/04/20021022
02/11/2002210002/21/20021929
Subject:
NSA/METTWRC1 - METTWRCQ DATA REPORTED AS -9999
DataStreams:nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.b1, nsamettwrC1.a1, nsamettwrC1.b1
Description:
Due to local power outages caused by winter storms, the Bridgeview collection program 
became corrupted.  All tower data and associated instruments on the tower reported as -9999.
Measurements:nsapwsC1.a1:
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Ten Minute Visibility(ten_minute_visibility)
  • present_weather_sensor_NWS_code
  • Precipitation rate(precip_rate)
  • one_min_pw_code_out_of_range_error
  • cumul_snow_out_of_range_error
  • one_minute_PW_code
  • One Minute Visibility(one_minute_visibility)
  • ten_minute_vis_out_of_range_error
  • one_hour_PW_code
  • one_minute_vis_out_of_range_error
  • one_hour_pw_code_out_of_range_error
  • ten_minute_PW_code
  • cumul_liq_water_equiv_out_of_range_err
  • precip_rate_out_of_range_error
  • ten_min_pw_code_out_of_range_error
  • pws_read_timeout_error
  • pws_serial_error
  • Cumulative Snow(cumulative_snow)

nsamettwrC1.a1:
  • Maximum Vapor Pressure(vap_pres_max)
  • relh_sd
  • dew_pt_temp_sd
  • win_spd_out_of_range_error
  • temp_out_of_range_error
  • dew_pt_temp_out_of_range_error
  • temp_hardware_error
  • vap_pres_out_of_range_error
  • win_dir_out_of_range_error
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Relative humidity minimum(relh_min)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • Minimum Wind Speed(wind_spd_min)
  • wind_dir_sd
  • temp_sd
  • relh_out_of_range_error
  • atmos_pressure_read_timeout_error
  • atmos_pressure_PTB_serial_error
  • Mean Air Temperature or Hardware Error(temp_mean)
  • serial_port_error
  • Maximum Wind Speed(wind_spd_max)
  • dew_pt_hardware_error
  • Barometric Pressure(atmos_pressure)
  • Maximum Wind Direction(wind_dir_max)
  • Mean Vapor Pressure(vap_pres_mean)
  • wind_spd_sd
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Temperature minimum(temp_min)
  • Temperature maximum(temp_max)
  • Relative humidity maximum(relh_max)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • vap_pres_sd
  • internal_temp_out_of_range_error
  • atmos_pressure_out_of_range_error
  • Mean Wind Speed(wind_spd_mean)
  • Minimum Wind Direction(wind_dir_min)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Minimum Vapor Pressure(vap_pres_min)
  • Relative humidity mean(relh_mean)
  • internal_voltage_out_of_range_error

nsapwsC1.b1:
  • Ten Minute Visibility(ten_minute_visibility)
  • one_min_pw_code_out_of_range_error
  • one_minute_vis_out_of_range_error
  • one_hour_pw_code_out_of_range_error
  • pws_serial_error
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Precipitation rate(precip_rate)
  • ten_minute_vis_out_of_range_error
  • one_hour_PW_code
  • precip_rate_out_of_range_error
  • One Minute Visibility(one_minute_visibility)
  • Cumulative Snow(cumulative_snow)
  • cumul_liq_water_equiv_out_of_range_err
  • ten_min_pw_code_out_of_range_error
  • pws_read_timeout_error
  • cumul_snow_out_of_range_error
  • present_weather_sensor_NWS_code
  • ten_minute_PW_code
  • one_minute_PW_code

nsamettwrC1.b1:
  • Maximum Wind Speed(wind_spd_max)
  • Mean Wind Speed(wind_spd_mean)
  • temp_hardware_error
  • dew_pt_temp_sd
  • vap_pres_sd
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Relative humidity mean(relh_mean)
  • atmos_pressure_out_of_range_error
  • relh_sd
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • wind_spd_sd
  • temp_out_of_range_error
  • Maximum Wind Direction(wind_dir_max)
  • Maximum Vapor Pressure(vap_pres_max)
  • Minimum Wind Direction(wind_dir_min)
  • Minimum Wind Speed(wind_spd_min)
  • wind_dir_out_of_range_error
  • internal_temp_out_of_range_error
  • Relative humidity maximum(relh_max)
  • Relative humidity minimum(relh_min)
  • wind_spd_out_of_range_error
  • temp_sd
  • Mean Vapor Pressure(vap_pres_mean)
  • wind_dir_sd
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • internal_voltage_out_of_range_error
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • dew_pt_temp_out_of_range_error
  • Temperature maximum(temp_max)
  • atmos_pressure_PTB_serial_error
  • Minimum Vapor Pressure(vap_pres_min)
  • read_timeout_count
  • Temperature minimum(temp_min)
  • Barometric Pressure(atmos_pressure)
  • relh_out_of_range_error
  • dew_pt_hardware_error
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • atmos_pressure_read_timeout_error
  • vap_pres_out_of_range_error
  • Maximum Dew Point Temperature(dew_pt_temp_max)

nsaorgC1.a1:
  • precip_read_timeout_error
  • Precipitation rate(precip_rate)
  • precip_serial_error
  • precip_no_data_error
  • precip_NWS_code
  • precip_out_of_range_error
  • precip_daily_accum

nsaorgC1.b1:
  • precip_out_of_range_error
  • Precipitation rate(precip_rate)
  • precip_NWS_code
  • precip_daily_accum
  • precip_no_data_error
  • precip_serial_error
  • precip_read_timeout_error


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DQRID : D020424.2
Start DateStart TimeEnd DateEnd Time
02/04/2002102302/11/20022059
02/21/2002193002/21/20022002
Subject:
NSA/METTWRC1 - METTWRC1 NO DATA COLLECTED FROM TOWER
DataStreams:nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.b1, nsamettwrC1.a1, nsamettwrC1.b1
Description:
Power outage caused fatal errors in the Bridgeview collection program.  No data was 
ingested from the tower and sensors located on the tower.
Measurements:nsapwsC1.a1:
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Ten Minute Visibility(ten_minute_visibility)
  • present_weather_sensor_NWS_code
  • Precipitation rate(precip_rate)
  • one_min_pw_code_out_of_range_error
  • cumul_snow_out_of_range_error
  • one_minute_PW_code
  • One Minute Visibility(one_minute_visibility)
  • ten_minute_vis_out_of_range_error
  • one_hour_PW_code
  • one_minute_vis_out_of_range_error
  • one_hour_pw_code_out_of_range_error
  • ten_minute_PW_code
  • cumul_liq_water_equiv_out_of_range_err
  • precip_rate_out_of_range_error
  • ten_min_pw_code_out_of_range_error
  • pws_read_timeout_error
  • pws_serial_error
  • Cumulative Snow(cumulative_snow)

nsamettwrC1.a1:
  • Maximum Vapor Pressure(vap_pres_max)
  • relh_sd
  • dew_pt_temp_sd
  • win_spd_out_of_range_error
  • temp_out_of_range_error
  • dew_pt_temp_out_of_range_error
  • temp_hardware_error
  • vap_pres_out_of_range_error
  • win_dir_out_of_range_error
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Relative humidity minimum(relh_min)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • Minimum Wind Speed(wind_spd_min)
  • wind_dir_sd
  • temp_sd
  • relh_out_of_range_error
  • atmos_pressure_read_timeout_error
  • atmos_pressure_PTB_serial_error
  • Mean Air Temperature or Hardware Error(temp_mean)
  • serial_port_error
  • Maximum Wind Speed(wind_spd_max)
  • dew_pt_hardware_error
  • Barometric Pressure(atmos_pressure)
  • Maximum Wind Direction(wind_dir_max)
  • Mean Vapor Pressure(vap_pres_mean)
  • wind_spd_sd
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Temperature minimum(temp_min)
  • Temperature maximum(temp_max)
  • Relative humidity maximum(relh_max)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • vap_pres_sd
  • internal_temp_out_of_range_error
  • atmos_pressure_out_of_range_error
  • Mean Wind Speed(wind_spd_mean)
  • Minimum Wind Direction(wind_dir_min)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Minimum Vapor Pressure(vap_pres_min)
  • Relative humidity mean(relh_mean)
  • internal_voltage_out_of_range_error

nsapwsC1.b1:
  • Ten Minute Visibility(ten_minute_visibility)
  • one_min_pw_code_out_of_range_error
  • one_minute_vis_out_of_range_error
  • one_hour_pw_code_out_of_range_error
  • pws_serial_error
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Precipitation rate(precip_rate)
  • ten_minute_vis_out_of_range_error
  • one_hour_PW_code
  • precip_rate_out_of_range_error
  • One Minute Visibility(one_minute_visibility)
  • Cumulative Snow(cumulative_snow)
  • cumul_liq_water_equiv_out_of_range_err
  • ten_min_pw_code_out_of_range_error
  • pws_read_timeout_error
  • cumul_snow_out_of_range_error
  • present_weather_sensor_NWS_code
  • ten_minute_PW_code
  • one_minute_PW_code

nsamettwrC1.b1:
  • Maximum Wind Speed(wind_spd_max)
  • Mean Wind Speed(wind_spd_mean)
  • temp_hardware_error
  • dew_pt_temp_sd
  • vap_pres_sd
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Relative humidity mean(relh_mean)
  • atmos_pressure_out_of_range_error
  • relh_sd
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • wind_spd_sd
  • temp_out_of_range_error
  • Maximum Wind Direction(wind_dir_max)
  • Maximum Vapor Pressure(vap_pres_max)
  • Minimum Wind Direction(wind_dir_min)
  • Minimum Wind Speed(wind_spd_min)
  • wind_dir_out_of_range_error
  • internal_temp_out_of_range_error
  • Relative humidity maximum(relh_max)
  • Relative humidity minimum(relh_min)
  • wind_spd_out_of_range_error
  • temp_sd
  • Mean Vapor Pressure(vap_pres_mean)
  • wind_dir_sd
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • internal_voltage_out_of_range_error
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • dew_pt_temp_out_of_range_error
  • Temperature maximum(temp_max)
  • atmos_pressure_PTB_serial_error
  • Minimum Vapor Pressure(vap_pres_min)
  • read_timeout_count
  • Temperature minimum(temp_min)
  • Barometric Pressure(atmos_pressure)
  • relh_out_of_range_error
  • dew_pt_hardware_error
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • atmos_pressure_read_timeout_error
  • vap_pres_out_of_range_error
  • Maximum Dew Point Temperature(dew_pt_temp_max)

nsaorgC1.a1:
  • precip_read_timeout_error
  • Precipitation rate(precip_rate)
  • precip_serial_error
  • precip_no_data_error
  • precip_NWS_code
  • precip_out_of_range_error
  • precip_daily_accum

nsaorgC1.b1:
  • precip_out_of_range_error
  • Precipitation rate(precip_rate)
  • precip_NWS_code
  • precip_daily_accum
  • precip_no_data_error
  • precip_serial_error
  • precip_read_timeout_error


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DQRID : D020703.2
Start DateStart TimeEnd DateEnd Time
04/01/2001000010/13/20031946
Subject:
NSA/ORG/C1 - Optical Rain Gauge incorrect at very low temperatures
DataStreams:nsaorgC1.a1, nsaorgC1.b1
Description:
The ORG reports precipitation rates that are more than 2 orders of
magnitude greater than those reported by the present weather sensor
when the temperature drops below -25 C.  Examples of this error can
be seen in the data for January 11-13, 2000, however the problem is
not isolated to these days.

A drift occurs when temps are in the range of -25 C to -40 C that
exceeds the maximum drift allowed/expected for the instrument.  The
drift is then reported as precipitation.

The manufacturer of the instrument has not yet been able to identify a
fix for the problem.
Measurements:nsaorgC1.b1:
  • precip_out_of_range_error
  • Precipitation rate(precip_rate)
  • precip_serial_error
  • precip_NWS_code
  • precip_daily_accum
  • precip_read_timeout_error
  • precip_no_data_error

nsaorgC1.a1:
  • precip_NWS_code
  • precip_daily_accum
  • precip_serial_error
  • precip_no_data_error
  • precip_out_of_range_error
  • precip_read_timeout_error
  • Precipitation rate(precip_rate)


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DQRID : D020703.3
Start DateStart TimeEnd DateEnd Time
03/20/1998010103/31/20012359
Subject:
NSA/ORG/C1 - Optical Rain Gauge incorrect at very low temperatures
DataStreams:nsaorgC1.a1
Description:
The ORG reports precipitation rates that are more than 2 orders of
magnitude greater than those reported by the present weather sensor
when the temperature drops below -25 C.  Examples of this error can
be seen in the data for January 11-13, 2000, however the problem is
not isolated to these days.

A drift occurs when temps are in the range of -25 C to -40 C that
exceeds the maximum drift allowed/expected for the instrument.  The
drift is then reported as precipitation.

The manufacturer of the instrument has not yet been able to identify a
fix for the problem.
Measurements:nsaorgC1.a1:
  • precip_NWS_code
  • precip_daily_accum
  • precip_out_of_range_error
  • precip_serial_error
  • precip_read_timeout_error
  • precip_no_data_error
  • Precipitation rate(precip_rate)


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DQRID : D030411.4
Start DateStart TimeEnd DateEnd Time
11/25/2002143003/26/20032229
Subject:
NSA/C2 - Missing met, pws, snodep data due to comm error
DataStreams:nsapwsC2.a1, nsapwsC2.b1, nsasnodepC2.a1, nsamettiptwrC2.a1, nsamettiptwrC2.b1
Description:
An error in the communication sub-routine
of the Bridgeview collection software occurred
resulting in data loss from the Snow Depth
sensor, Present Weather Sensor and the 
Barometer.
Measurements:nsamettiptwrC2.a1:
  • atmos_pressure_read_timeout_error
  • atmos_pressure_PTB_serial_error
  • Barometric Pressure(atmos_pressure)
  • atmos_pressure_out_of_range_error

nsamettiptwrC2.b1:
  • Barometric Pressure(atmos_pressure)
  • atmos_pressure_PTB_serial_error
  • atmos_pressure_out_of_range_error
  • atmos_pressure_read_timeout_error

nsapwsC2.b1:
  • One Minute Visibility(one_minute_visibility)
  • cumul_liq_water_equiv_out_of_range_err
  • one_hour_pw_code_out_of_range_error
  • ten_minute_vis_out_of_range_error
  • one_min_pw_code_out_of_range_error
  • ten_minute_PW_code
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • precip_rate_out_of_range_error
  • one_minute_PW_code
  • one_hour_PW_code
  • Cumulative Snow(cumulative_snow)
  • pws_read_timeout_error
  • base_time
  • ten_min_pw_code_out_of_range_error
  • cumul_snow_out_of_range_error
  • pws_serial_error
  • Ten Minute Visibility(ten_minute_visibility)
  • Precipitation rate(precip_rate)
  • present_weather_sensor_NWS_code
  • one_minute_vis_out_of_range_error

nsasnodepC2.a1:
  • snow_depth_internal_QC
  • snow_depth_serial_error
  • snow_depth_read_timeout_error
  • Snow Depth(snow_depth)
  • snow_depth_out_of_range_error

nsapwsC2.a1:
  • ten_minute_PW_code
  • Cumulative Snow(cumulative_snow)
  • present_weather_sensor_NWS_code
  • pws_serial_error
  • one_min_pw_code_out_of_range_error
  • One Minute Visibility(one_minute_visibility)
  • pws_read_timeout_error
  • Ten Minute Visibility(ten_minute_visibility)
  • one_hour_pw_code_out_of_range_error
  • one_minute_PW_code
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • cumul_snow_out_of_range_error
  • ten_min_pw_code_out_of_range_error
  • ten_minute_vis_out_of_range_error
  • cumul_liq_water_equiv_out_of_range_err
  • one_minute_vis_out_of_range_error
  • Precipitation rate(precip_rate)
  • one_hour_PW_code
  • precip_rate_out_of_range_error


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DQRID : D030613.1
Start DateStart TimeEnd DateEnd Time
11/17/2002020004/22/20031918
Subject:
NSA/PWS/C1 - C1/BARROW PWS WORKING INTERMITTENTLY
DataStreams:nsapwsC1.a1, nsapwsC1.b1
Description:
The PWS worked intermittently throughout entire period.  Extensive troubleshooting located 
a broken wire in the RS-232 connector.  Contact was made intermittently allowing some 
data to be recorded.
Measurements:nsapwsC1.a1:
  • ten_min_pw_code_out_of_range_error
  • one_hour_PW_code
  • Precipitation rate(precip_rate)
  • pws_read_timeout_error
  • one_min_pw_code_out_of_range_error
  • one_minute_vis_out_of_range_error
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • one_hour_pw_code_out_of_range_error
  • cumul_snow_out_of_range_error
  • pws_serial_error
  • Ten Minute Visibility(ten_minute_visibility)
  • one_minute_PW_code
  • present_weather_sensor_NWS_code
  • ten_minute_PW_code
  • cumul_liq_water_equiv_out_of_range_err
  • One Minute Visibility(one_minute_visibility)
  • Cumulative Snow(cumulative_snow)
  • ten_minute_vis_out_of_range_error
  • precip_rate_out_of_range_error

nsapwsC1.b1:
  • Ten Minute Visibility(ten_minute_visibility)
  • One Minute Visibility(one_minute_visibility)
  • pws_read_timeout_error
  • cumul_snow_out_of_range_error
  • ten_minute_vis_out_of_range_error
  • Cumulative Snow(cumulative_snow)
  • one_min_pw_code_out_of_range_error
  • present_weather_sensor_NWS_code
  • cumul_liq_water_equiv_out_of_range_err
  • one_minute_vis_out_of_range_error
  • one_hour_pw_code_out_of_range_error
  • pws_serial_error
  • one_hour_PW_code
  • ten_minute_PW_code
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • one_minute_PW_code
  • ten_min_pw_code_out_of_range_error
  • Precipitation rate(precip_rate)
  • precip_rate_out_of_range_error


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DQRID : D080717.1
Start DateStart TimeEnd DateEnd Time
08/23/2006000002/29/20082359
Subject:
NSA/TPS/C1 - Reprocess: Incorrect temporal resolution
DataStreams:nsatpsC1.b1
Description:
The data were incorrectly collected and processed at 1 second temporal resolution rather 
than 1 minute resolution.  Data will be reprocessed to average to 1 minute.  Data quality 
are not compromised by this resolution error.
Measurements:nsatpsC1.b1:
  • Precipitation, total daily accumulated(precip_total)
  • enclosure_temp
  • Temperature, air(air_temp)
  • Precipitation rate(precip_rate)
  • Mean Wind Speed(wspd)


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