Data Quality Reports for Session: 111965 User: anuskitade Completed: 05/14/2008

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D001107.2NSA/C1 data loss due to cut fiber optic cablensamettwrC1.a1, nsaorgC1.a1, nsapwsC1.a0
D020424.1NSA/METTWRC1 - METTWRCQ DATA REPORTED AS -9999nsamettwrC1.a1, nsamettwrC1.b1, nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.b1
D020424.2NSA/METTWRC1 - METTWRC1 NO DATA COLLECTED FROM TOWERnsamettwrC1.a1, nsamettwrC1.b1, nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.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


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:nsamettwrC1.a1, nsaorgC1.a1, nsapwsC1.a0
Description:
The fiber optic line connecting the MET TWR to the data collection
facility was accidentally cut during snow removal.  Data are 
unrecoverable.
Measurements:nsamettwrC1.a1:
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Wind Speed out of range error(win_spd_out_of_range_error)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Dew Point Temperature out of range error(dew_pt_temp_out_of_range_error)
  • Number of timeouts reading the met tower data by height(read_timeout_count)
  • Maximum Wind Direction(wind_dir_max)
  • Relative humidity minimum(relh_min)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • Maximum Wind Speed(wind_spd_max)
  • lon(lon)
  • lat(lat)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Std Dev of Air Temperature(temp_sd)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Mean Relative Humidity(relh_mean)
  • Temperature maximum(temp_max)
  • Std Dev of Wind Direction(wind_dir_sd)
  • Dummy altitude for Zeb(alt)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Wind Direction out of range error(win_dir_out_of_range_error)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • base time(base_time)
  • Air Temperature Hardware Error(temp_hardware_error)
  • Time offset of tweaks from base_time(time_offset)
  • PTB Serial Error(atmos_pressure_PTB_serial_error)
  • Barometric Pressure(atmos_pressure)
  • Read Timeout Error(atmos_pressure_read_timeout_error)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Minimum Wind Speed(wind_spd_min)
  • Minimum Wind Direction(wind_dir_min)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Minimum Vapor Pressure(vap_pres_min)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Relative humidity maximum(relh_max)
  • GPS raw data filename(filename)
  • Maximum Vapor Pressure(vap_pres_max)
  • Relative Humidity out of range error(relh_out_of_range_error)
  • Mean Vapor Pressure(vap_pres_mean)
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Temperature minimum(temp_min)
  • Mean Wind Speed(wind_spd_mean)
  • Out of Range Error(atmos_pressure_out_of_range_error)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Internal Voltage out of range error(internal_voltage_out_of_range_error)
nsapwsC1.a0:
  • NWS code(present_weather_sensor_NWS_code)
  • lon(lon)
  • Ten Minute PW code \\(WMO SYNOP code\\)(ten_minute_PW_code)
  • One Minute PW code \\(WMO SYNOP code\\)(one_minute_PW_code)
  • Time offset of tweaks from base_time(time_offset)
  • Ten Minute PW code out of range error(ten_min_pw_code_out_of_range_error)
  • One Hour PW code \\(WMO SYNOP code\\)(one_hour_PW_code)
  • one Minute Visibility(one_minute_visibility)
  • Precipitation rate(precip_rate)
  • Ten Minute Visibility(ten_minute_visibility)
  • Cumulative Snow out of range error(cumul_snow_out_of_range_error)
  • PWS Precipitation Rate out of range error(precip_rate_out_of_range_error)
  • One Minute PW code out of range error(one_min_pw_code_out_of_range_error)
  • One Minute Visibility out of range error(one_minute_vis_out_of_range_error)
  • base time(base_time)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Present Weather Sensor Serial Error(pws_serial_error)
  • Dummy altitude for Zeb(alt)
  • Liquid Water Equivalent out of range error(cumul_liq_water_equiv_out_of_range_err)
  • Present Weather Sensor Read Timeout Error(pws_read_timeout_error)
  • GPS raw data filename(filename)
  • Ten Minute Visibility out of range error(ten_minute_vis_out_of_range_error)
  • Cumulative Snow(cumulative_snow)
  • One Hour PW code out of range error(one_hour_pw_code_out_of_range_error)
  • lat(lat)
nsaorgC1.a1:
  • ORG Serial Error(precip_serial_error)
  • Time offset of tweaks from base_time(time_offset)
  • Daily Accumulation(precip_daily_accum)
  • base time(base_time)
  • ORG No Data Error(precip_no_data_error)
  • NWS code(precip_NWS_code)
  • GPS raw data filename(filename)
  • Dummy altitude for Zeb(alt)
  • ORG Read Timeout Error(precip_read_timeout_error)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • Precipitation rate(precip_rate)
  • lat(lat)
  • lon(lon)

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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:nsamettwrC1.a1, nsamettwrC1.b1, nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.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:nsamettwrC1.a1:
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • Maximum Wind Speed(wind_spd_max)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Mean Relative Humidity(relh_mean)
  • Temperature maximum(temp_max)
  • Std Dev of Wind Direction(wind_dir_sd)
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • Serial Port Error(serial_port_error)
  • Barometric Pressure(atmos_pressure)
  • Read Timeout Error(atmos_pressure_read_timeout_error)
  • Minimum Wind Speed(wind_spd_min)
  • Minimum Wind Direction(wind_dir_min)
  • Minimum Vapor Pressure(vap_pres_min)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Relative humidity maximum(relh_max)
  • Out of Range Error(atmos_pressure_out_of_range_error)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Wind Speed out of range error(win_spd_out_of_range_error)
  • Dew Point Temperature out of range error(dew_pt_temp_out_of_range_error)
  • Maximum Wind Direction(wind_dir_max)
  • Relative humidity minimum(relh_min)
  • Std Dev of Air Temperature(temp_sd)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Wind Direction out of range error(win_dir_out_of_range_error)
  • Air Temperature Hardware Error(temp_hardware_error)
  • PTB Serial Error(atmos_pressure_PTB_serial_error)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Maximum Vapor Pressure(vap_pres_max)
  • Relative Humidity out of range error(relh_out_of_range_error)
  • Mean Vapor Pressure(vap_pres_mean)
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Temperature minimum(temp_min)
  • Mean Wind Speed(wind_spd_mean)
  • Internal Voltage out of range error(internal_voltage_out_of_range_error)
nsapwsC1.a1:
  • One Minute PW code out of range error(one_min_pw_code_out_of_range_error)
  • Ten Minute PW code out of range error(ten_min_pw_code_out_of_range_error)
  • One Minute PW code \\(WMO SYNOP code\\)(one_minute_PW_code)
  • NWS code(present_weather_sensor_NWS_code)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Liquid Water Equivalent out of range error(cumul_liq_water_equiv_out_of_range_err)
  • Cumulative Snow(cumulative_snow)
  • PWS Precipitation Rate out of range error(precip_rate_out_of_range_error)
  • Present Weather Sensor Read Timeout Error(pws_read_timeout_error)
  • Ten Minute Visibility out of range error(ten_minute_vis_out_of_range_error)
  • One Hour PW code out of range error(one_hour_pw_code_out_of_range_error)
  • One Minute Visibility out of range error(one_minute_vis_out_of_range_error)
  • Present Weather Sensor Serial Error(pws_serial_error)
  • Precipitation rate(precip_rate)
  • one Minute Visibility(one_minute_visibility)
  • Ten Minute PW code \\(WMO SYNOP code\\)(ten_minute_PW_code)
  • One Hour PW code \\(WMO SYNOP code\\)(one_hour_PW_code)
  • Ten Minute Visibility(ten_minute_visibility)
  • Cumulative Snow out of range error(cumul_snow_out_of_range_error)
nsaorgC1.b1:
  • NWS code(precip_NWS_code)
  • Daily Accumulation(precip_daily_accum)
  • Precipitation rate(precip_rate)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • ORG Read Timeout Error(precip_read_timeout_error)
  • ORG Serial Error(precip_serial_error)
  • ORG No Data Error(precip_no_data_error)
nsamettwrC1.b1:
  • Internal Voltage out of range error(internal_voltage_out_of_range_error)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Relative humidity maximum(relh_max)
  • Std Dev of Air Temperature(temp_sd)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Mean Vapor Pressure(vap_pres_mean)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • PTB Serial Error(atmos_pressure_PTB_serial_error)
  • Wind Speed out of range error(wind_spd_out_of_range_error)
  • Temperature maximum(temp_max)
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Minimum Wind Speed(wind_spd_min)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Mean Wind Speed(wind_spd_mean)
  • Dew Point Temperature out of range error(dew_pt_temp_out_of_range_error)
  • Barometric Pressure(atmos_pressure)
  • Number of timeouts reading the met tower data by height(read_timeout_count)
  • Maximum Vapor Pressure(vap_pres_max)
  • Relative Humidity out of range error(relh_out_of_range_error)
  • Mean Relative Humidity(relh_mean)
  • Air Temperature Hardware Error(temp_hardware_error)
  • Minimum Wind Direction(wind_dir_min)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Wind Direction out of range error(wind_dir_out_of_range_error)
  • Read Timeout Error(atmos_pressure_read_timeout_error)
  • Maximum Wind Direction(wind_dir_max)
  • Std Dev of Wind Direction(wind_dir_sd)
  • Maximum Wind Speed(wind_spd_max)
  • Minimum Vapor Pressure(vap_pres_min)
  • Temperature minimum(temp_min)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Out of Range Error(atmos_pressure_out_of_range_error)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Relative humidity minimum(relh_min)
nsaorgC1.a1:
  • ORG Serial Error(precip_serial_error)
  • Daily Accumulation(precip_daily_accum)
  • NWS code(precip_NWS_code)
  • ORG No Data Error(precip_no_data_error)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • Precipitation rate(precip_rate)
  • ORG Read Timeout Error(precip_read_timeout_error)
nsapwsC1.b1:
  • Ten Minute Visibility out of range error(ten_minute_vis_out_of_range_error)
  • Present Weather Sensor Read Timeout Error(pws_read_timeout_error)
  • One Minute PW code \\(WMO SYNOP code\\)(one_minute_PW_code)
  • Cumulative Snow(cumulative_snow)
  • Precipitation rate(precip_rate)
  • Present Weather Sensor Serial Error(pws_serial_error)
  • Cumulative Snow out of range error(cumul_snow_out_of_range_error)
  • NWS code(present_weather_sensor_NWS_code)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • One Minute PW code out of range error(one_min_pw_code_out_of_range_error)
  • Ten Minute Visibility(ten_minute_visibility)
  • One Hour PW code \\(WMO SYNOP code\\)(one_hour_PW_code)
  • One Minute Visibility out of range error(one_minute_vis_out_of_range_error)
  • Ten Minute PW code out of range error(ten_min_pw_code_out_of_range_error)
  • Liquid Water Equivalent out of range error(cumul_liq_water_equiv_out_of_range_err)
  • Ten Minute PW code \\(WMO SYNOP code\\)(ten_minute_PW_code)
  • PWS Precipitation Rate out of range error(precip_rate_out_of_range_error)
  • one Minute Visibility(one_minute_visibility)
  • One Hour PW code out of range error(one_hour_pw_code_out_of_range_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:nsamettwrC1.a1, nsamettwrC1.b1, nsaorgC1.a1, nsaorgC1.b1, nsapwsC1.a1, nsapwsC1.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:nsamettwrC1.a1:
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • Maximum Wind Speed(wind_spd_max)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Mean Relative Humidity(relh_mean)
  • Temperature maximum(temp_max)
  • Std Dev of Wind Direction(wind_dir_sd)
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • Serial Port Error(serial_port_error)
  • Barometric Pressure(atmos_pressure)
  • Read Timeout Error(atmos_pressure_read_timeout_error)
  • Minimum Wind Speed(wind_spd_min)
  • Minimum Wind Direction(wind_dir_min)
  • Minimum Vapor Pressure(vap_pres_min)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Relative humidity maximum(relh_max)
  • Out of Range Error(atmos_pressure_out_of_range_error)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Wind Speed out of range error(win_spd_out_of_range_error)
  • Dew Point Temperature out of range error(dew_pt_temp_out_of_range_error)
  • Maximum Wind Direction(wind_dir_max)
  • Relative humidity minimum(relh_min)
  • Std Dev of Air Temperature(temp_sd)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Wind Direction out of range error(win_dir_out_of_range_error)
  • Air Temperature Hardware Error(temp_hardware_error)
  • PTB Serial Error(atmos_pressure_PTB_serial_error)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Maximum Vapor Pressure(vap_pres_max)
  • Relative Humidity out of range error(relh_out_of_range_error)
  • Mean Vapor Pressure(vap_pres_mean)
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Temperature minimum(temp_min)
  • Mean Wind Speed(wind_spd_mean)
  • Internal Voltage out of range error(internal_voltage_out_of_range_error)
nsapwsC1.a1:
  • One Minute PW code out of range error(one_min_pw_code_out_of_range_error)
  • Ten Minute PW code out of range error(ten_min_pw_code_out_of_range_error)
  • One Minute PW code \\(WMO SYNOP code\\)(one_minute_PW_code)
  • NWS code(present_weather_sensor_NWS_code)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • Liquid Water Equivalent out of range error(cumul_liq_water_equiv_out_of_range_err)
  • Cumulative Snow(cumulative_snow)
  • PWS Precipitation Rate out of range error(precip_rate_out_of_range_error)
  • Present Weather Sensor Read Timeout Error(pws_read_timeout_error)
  • Ten Minute Visibility out of range error(ten_minute_vis_out_of_range_error)
  • One Hour PW code out of range error(one_hour_pw_code_out_of_range_error)
  • One Minute Visibility out of range error(one_minute_vis_out_of_range_error)
  • Present Weather Sensor Serial Error(pws_serial_error)
  • Precipitation rate(precip_rate)
  • one Minute Visibility(one_minute_visibility)
  • Ten Minute PW code \\(WMO SYNOP code\\)(ten_minute_PW_code)
  • One Hour PW code \\(WMO SYNOP code\\)(one_hour_PW_code)
  • Ten Minute Visibility(ten_minute_visibility)
  • Cumulative Snow out of range error(cumul_snow_out_of_range_error)
nsaorgC1.b1:
  • NWS code(precip_NWS_code)
  • Daily Accumulation(precip_daily_accum)
  • Precipitation rate(precip_rate)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • ORG Read Timeout Error(precip_read_timeout_error)
  • ORG Serial Error(precip_serial_error)
  • ORG No Data Error(precip_no_data_error)
nsamettwrC1.b1:
  • Internal Voltage out of range error(internal_voltage_out_of_range_error)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Relative humidity maximum(relh_max)
  • Std Dev of Air Temperature(temp_sd)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Mean Air Temperature or Hardware Error(temp_mean)
  • Mean Vapor Pressure(vap_pres_mean)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • PTB Serial Error(atmos_pressure_PTB_serial_error)
  • Wind Speed out of range error(wind_spd_out_of_range_error)
  • Temperature maximum(temp_max)
  • Vector-averaged Wind Speed(wind_spd_vec_avg)
  • Minimum Wind Speed(wind_spd_min)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Mean Wind Speed(wind_spd_mean)
  • Dew Point Temperature out of range error(dew_pt_temp_out_of_range_error)
  • Barometric Pressure(atmos_pressure)
  • Number of timeouts reading the met tower data by height(read_timeout_count)
  • Maximum Vapor Pressure(vap_pres_max)
  • Relative Humidity out of range error(relh_out_of_range_error)
  • Mean Relative Humidity(relh_mean)
  • Air Temperature Hardware Error(temp_hardware_error)
  • Minimum Wind Direction(wind_dir_min)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Wind Direction out of range error(wind_dir_out_of_range_error)
  • Read Timeout Error(atmos_pressure_read_timeout_error)
  • Maximum Wind Direction(wind_dir_max)
  • Std Dev of Wind Direction(wind_dir_sd)
  • Maximum Wind Speed(wind_spd_max)
  • Minimum Vapor Pressure(vap_pres_min)
  • Temperature minimum(temp_min)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Vector-averaged Wind Direction(wind_dir_vec_avg)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Out of Range Error(atmos_pressure_out_of_range_error)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Relative humidity minimum(relh_min)
nsaorgC1.a1:
  • ORG Serial Error(precip_serial_error)
  • Daily Accumulation(precip_daily_accum)
  • NWS code(precip_NWS_code)
  • ORG No Data Error(precip_no_data_error)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • Precipitation rate(precip_rate)
  • ORG Read Timeout Error(precip_read_timeout_error)
nsapwsC1.b1:
  • Ten Minute Visibility out of range error(ten_minute_vis_out_of_range_error)
  • Present Weather Sensor Read Timeout Error(pws_read_timeout_error)
  • One Minute PW code \\(WMO SYNOP code\\)(one_minute_PW_code)
  • Cumulative Snow(cumulative_snow)
  • Precipitation rate(precip_rate)
  • Present Weather Sensor Serial Error(pws_serial_error)
  • Cumulative Snow out of range error(cumul_snow_out_of_range_error)
  • NWS code(present_weather_sensor_NWS_code)
  • Cumulative Liquid Water Equivalent(cumul_liq_water_equiv)
  • One Minute PW code out of range error(one_min_pw_code_out_of_range_error)
  • Ten Minute Visibility(ten_minute_visibility)
  • One Hour PW code \\(WMO SYNOP code\\)(one_hour_PW_code)
  • One Minute Visibility out of range error(one_minute_vis_out_of_range_error)
  • Ten Minute PW code out of range error(ten_min_pw_code_out_of_range_error)
  • Liquid Water Equivalent out of range error(cumul_liq_water_equiv_out_of_range_err)
  • Ten Minute PW code \\(WMO SYNOP code\\)(ten_minute_PW_code)
  • PWS Precipitation Rate out of range error(precip_rate_out_of_range_error)
  • one Minute Visibility(one_minute_visibility)
  • One Hour PW code out of range error(one_hour_pw_code_out_of_range_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:
  • Daily Accumulation(precip_daily_accum)
  • NWS code(precip_NWS_code)
  • ORG No Data Error(precip_no_data_error)
  • Precipitation rate(precip_rate)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • ORG Read Timeout Error(precip_read_timeout_error)
  • ORG Serial Error(precip_serial_error)
nsaorgC1.a1:
  • ORG Serial Error(precip_serial_error)
  • ORG Read Timeout Error(precip_read_timeout_error)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • NWS code(precip_NWS_code)
  • ORG No Data Error(precip_no_data_error)
  • Precipitation rate(precip_rate)
  • Daily Accumulation(precip_daily_accum)

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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:
  • ORG Read Timeout Error(precip_read_timeout_error)
  • ORG Serial Error(precip_serial_error)
  • Daily Accumulation out of range error(precip_out_of_range_error)
  • ORG No Data Error(precip_no_data_error)
  • Daily Accumulation(precip_daily_accum)
  • NWS code(precip_NWS_code)
  • Precipitation rate(precip_rate)

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END OF DATA