Data Quality Report for Order ID: 187464
User ID: wangd2    Date completed: 2017-08-28
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D170310.16 SGP/Central Facility - Power Outage sgpirt25m20sC1.a0 Note
D170428.2 SGP/LDIS/E13 - Spider webs in the field of view sgppars2E13.b1 Suspect
D170303.8 SGP/LDIS/C1/E13 - Missing data points due to network issues sgppars2E13.b1 Note
 
DQR ID: D170310.16    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-03-05 00:23:01 2017-03-09 14:30:21 Note
Subject: SGP/Central Facility - Power Outage
Affected Datastreams: sgpirt25m20sC1.a0
Description Automated scripts show that these instruments were affected by a power outage at the central facility resulting in missing data. Most of the instruments came back online on March 6th but some took longer.
Measurements
  • equivalent_radar_reflectivity_ott (Radar reflectivity from the manufacturer's software)
  • median_volume_diameter (Median volume diameter, assuming an ideal Marshall-Palmer type distribution)
  • particle_size (Particle class size average)
  • liquid_water_distribution_mean (Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution)
  • liquid_water_content (Liquid water content)
  • moment3 (Moment 3 from the observed distribution)
  • class_size_width (Class size width)
  • lon (East longitude)
  • diameter_max (Diameter of largest drop observed)
  • time (Time offset from midnight)
  • lat (North latitude)
  • raw_spectrum (Raw drop size distribution)
  • intercept_parameter (Intercept parameter, assuming an ideal Marshall-Palmer type distribution)
  • slope_parameter (Slope parameter, assuming an ideal Marshall-Palmer type distribution)
  • heating_current (Heating current)
  • raw_fall_velocity (Fall velocity classes observed by Parsivel2)
  • base_time (Base time in Epoch)
  • precip_rate (Precipitation intensity)
  • alt (Altitude above mean sea level)
  • number_detected_particles (Number of particles detected)
  • fall_velocity_calculated (Fall velocity calculated after Lhermite)
  • time_offset (Time offset from base_time)
  • moment6 (Moment 6 from the observed distribution)
  • equivalent_radar_reflectivity (Radar reflectivity calculated by the ingest)
  • moment5 (Moment 5 from the observed distribution)
  • number_density_drops (Number density of drops of the diameter corresponding to a particular drop size class per unit volume)
  • sensor_temperature (Temperature in sensor)
  • moment2 (Moment 2 from the observed distribution)
  • qc_time (Quality check results on field: Time offset from midnight)
  • moment1 (Moment 1 from the observed distribution)
  • diameter_min (Diameter of smallest drop observed)
  • sensor_voltage (Sensor voltage)
  • laserband_amplitude (Laserband amplitude)
  • moment4 (Moment 4 from the observed distribution)
  • mor_visibility (Meteorological optical range visibility)
  • weather_code (SYNOP WaWa Table 4680)
 
DQR ID: D170428.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-04-25 21:52:00 2017-04-26 15:30:00 Suspect
Subject: SGP/LDIS/E13 - Spider webs in the field of view
Affected Datastreams: sgppars2E13.b1
Description Spider webs in the field of view lead to false positive observations of rainfall.
Measurements
  • equivalent_radar_reflectivity_ott (Radar reflectivity from the manufacturer's software)
  • raw_fall_velocity (Fall velocity classes observed by Parsivel2)
  • diameter_max (Diameter of largest drop observed)
  • median_volume_diameter (Median volume diameter, assuming an ideal Marshall-Palmer type distribution)
  • precip_rate (Precipitation intensity)
  • liquid_water_distribution_mean (Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution)
  • raw_spectrum (Raw drop size distribution)
  • intercept_parameter (Intercept parameter, assuming an ideal Marshall-Palmer type distribution)
  • moment2 (Moment 2 from the observed distribution)
  • number_detected_particles (Number of particles detected)
  • moment1 (Moment 1 from the observed distribution)
  • diameter_min (Diameter of smallest drop observed)
  • liquid_water_content (Liquid water content)
  • moment6 (Moment 6 from the observed distribution)
  • moment4 (Moment 4 from the observed distribution)
  • weather_code (SYNOP WaWa Table 4680)
  • moment3 (Moment 3 from the observed distribution)
  • mor_visibility (Meteorological optical range visibility)
  • equivalent_radar_reflectivity (Radar reflectivity calculated by the ingest)
  • moment5 (Moment 5 from the observed distribution)
  • number_density_drops (Number density of drops of the diameter corresponding to a particular drop size class per unit volume)
 
DQR ID: D170303.8    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-12-11 00:00:00 2017-02-24 00:00:00 Note
Subject: SGP/LDIS/C1/E13 - Missing data points due to network issues
Affected Datastreams: sgppars2E13.b1
Description During this period (1 to 20 or so) data points are missing due to network issues. The rest of the data are fine.
Measurements
  • equivalent_radar_reflectivity_ott (Radar reflectivity from the manufacturer's software)
  • median_volume_diameter (Median volume diameter, assuming an ideal Marshall-Palmer type distribution)
  • liquid_water_distribution_mean (Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution)
  • particle_size (Particle class size average)
  • liquid_water_content (Liquid water content)
  • moment3 (Moment 3 from the observed distribution)
  • class_size_width (Class size width)
  • diameter_max (Diameter of largest drop observed)
  • raw_spectrum (Raw drop size distribution)
  • intercept_parameter (Intercept parameter, assuming an ideal Marshall-Palmer type distribution)
  • slope_parameter (Slope parameter, assuming an ideal Marshall-Palmer type distribution)
  • heating_current (Heating current)
  • raw_fall_velocity (Fall velocity classes observed by Parsivel2)
  • precip_rate (Precipitation intensity)
  • number_detected_particles (Number of particles detected)
  • fall_velocity_calculated (Fall velocity calculated after Lhermite)
  • moment6 (Moment 6 from the observed distribution)
  • equivalent_radar_reflectivity (Radar reflectivity calculated by the ingest)
  • moment5 (Moment 5 from the observed distribution)
  • number_density_drops (Number density of drops of the diameter corresponding to a particular drop size class per unit volume)
  • sensor_temperature (Temperature in sensor)
  • moment2 (Moment 2 from the observed distribution)
  • moment1 (Moment 1 from the observed distribution)
  • diameter_min (Diameter of smallest drop observed)
  • sensor_voltage (Sensor voltage)
  • laserband_amplitude (Laserband amplitude)
  • moment4 (Moment 4 from the observed distribution)
  • weather_code (SYNOP WaWa Table 4680)
  • mor_visibility (Meteorological optical range visibility)