DQRs for Session: 186016 User:giangrandes1Completed: 06-05-2017

Data Quality Reports for Session: 186016 User: giangrandes1 Completed: 06/05/2017

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected	Data Quality Metric
D170109.1	SGP/LDIS/I9 - Instrument	sgppars2I9.b1	Missing
D170303.8	SGP/LDIS/C1/E13 - Missing data points due to network issues	sgppars2E13.b1	Does not affect quality
D170310.16	SGP/Central Facility - Power Outage	sgppars2E13.b1	Does not affect quality
D170428.2	SGP/LDIS/E13 - Spider webs in the field of view	sgppars2E13.b1	Suspect

DQRID : D170109.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
12/16/2016	2200	12/20/2016	1420	Missing

Subject:	SGP/LDIS/I9 - Instrument
DataStreams:	sgppars2I9.b1
Description:	Power problems at the site resulted in loss of data during this period.
Measurements:	sgppars2I9.b1: East longitude(lon) class_size_width Particle size average(particle_size) diameter_max Precipitation intensity(precip_rate) Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution(liquid_water_distribution_mean) Number of particles detected(number_detected_particles) equivalent_radar_reflectivity raw_fall_velocity laserband_amplitude Median volume diameter, assuming an ideal Marshall-Palmer type distribution(median_volume_diameter) SYNOP WaWa Table 4680(weather_code) North latitude(lat) time_offset Liquid water content(liquid_water_content) Fall velocity calculated after Lhermite(fall_velocity_calculated) equivalent_radar_reflectivity_ott base_time time Altitude above mean sea level(alt) Meteorological optical range visibility(mor_visibility) Moment 1 from the observed distribution(moment1) Intercept parameter, assuming an ideal Marshall-Palmer type distribution(intercept_parameter) Moment 2 from the observed distribution(moment2) Moment 3 from the observed distribution(moment3) heating_current Moment 4 from the observed distribution(moment4) Moment 5 from the observed distribution(moment5) Slope parameter, assuming an ideal Marshall-Palmer type distribution(slope_parameter) Moment 6 from the observed distribution(moment6) Raw drop size distribution(raw_spectrum) Number density of drops of the diameter corresponding to a particular drop size class per unit volume(number_density_drops) qc_time sensor_temperature sensor_voltage diameter_min

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DQRID : D170303.8

Start Date	Start Time	End Date	End Time	Data Quality Metric
12/11/2016	0000	02/24/2017	0000	Does not affect quality

Subject:	SGP/LDIS/C1/E13 - Missing data points due to network issues
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:	sgppars2E13.b1: Moment 2 from the observed distribution(moment2) Particle size average(particle_size) Moment 3 from the observed distribution(moment3) Moment 4 from the observed distribution(moment4) Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution(liquid_water_distribution_mean) Moment 5 from the observed distribution(moment5) Moment 6 from the observed distribution(moment6) Raw drop size distribution(raw_spectrum) Liquid water content(liquid_water_content) Intercept parameter, assuming an ideal Marshall-Palmer type distribution(intercept_parameter) equivalent_radar_reflectivity Number density of drops of the diameter corresponding to a particular drop size class per unit volume(number_density_drops) sensor_temperature Moment 1 from the observed distribution(moment1) Median volume diameter, assuming an ideal Marshall-Palmer type distribution(median_volume_diameter) Slope parameter, assuming an ideal Marshall-Palmer type distribution(slope_parameter) laserband_amplitude Number of particles detected(number_detected_particles) class_size_width diameter_min Precipitation intensity(precip_rate) diameter_max Fall velocity calculated after Lhermite(fall_velocity_calculated) SYNOP WaWa Table 4680(weather_code) raw_fall_velocity sensor_voltage Meteorological optical range visibility(mor_visibility) heating_current equivalent_radar_reflectivity_ott

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DQRID : D170310.16

Start Date	Start Time	End Date	End Time	Data Quality Metric
03/05/2017	0023	03/09/2017	1430	Does not affect quality

Subject:	SGP/Central Facility - Power Outage
DataStreams:	sgppars2E13.b1
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:	sgppars2E13.b1: Moment 2 from the observed distribution(moment2) Moment 3 from the observed distribution(moment3) Particle size average(particle_size) Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution(liquid_water_distribution_mean) Moment 4 from the observed distribution(moment4) Moment 5 from the observed distribution(moment5) Moment 6 from the observed distribution(moment6) Raw drop size distribution(raw_spectrum) time_offset Liquid water content(liquid_water_content) Intercept parameter, assuming an ideal Marshall-Palmer type distribution(intercept_parameter) East longitude(lon) base_time equivalent_radar_reflectivity Number density of drops of the diameter corresponding to a particular drop size class per unit volume(number_density_drops) time sensor_temperature Moment 1 from the observed distribution(moment1) Median volume diameter, assuming an ideal Marshall-Palmer type distribution(median_volume_diameter) Slope parameter, assuming an ideal Marshall-Palmer type distribution(slope_parameter) laserband_amplitude Number of particles detected(number_detected_particles) qc_time class_size_width diameter_min Precipitation intensity(precip_rate) diameter_max Fall velocity calculated after Lhermite(fall_velocity_calculated) SYNOP WaWa Table 4680(weather_code) raw_fall_velocity sensor_voltage Meteorological optical range visibility(mor_visibility) Altitude above mean sea level(alt) North latitude(lat) heating_current equivalent_radar_reflectivity_ott

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DQRID : D170428.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/25/2017	2152	04/26/2017	1530	Suspect

Subject:	SGP/LDIS/E13 - Spider webs in the field of view
DataStreams:	sgppars2E13.b1
Description:	Spider webs in the field of view lead to false positive observations of rainfall.
Measurements:	sgppars2E13.b1: Moment 2 from the observed distribution(moment2) Moment 3 from the observed distribution(moment3) Number of particles detected(number_detected_particles) Moment 4 from the observed distribution(moment4) Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution(liquid_water_distribution_mean) Moment 5 from the observed distribution(moment5) Moment 6 from the observed distribution(moment6) Raw drop size distribution(raw_spectrum) diameter_min Precipitation intensity(precip_rate) diameter_max Liquid water content(liquid_water_content) SYNOP WaWa Table 4680(weather_code) raw_fall_velocity Intercept parameter, assuming an ideal Marshall-Palmer type distribution(intercept_parameter) Meteorological optical range visibility(mor_visibility) Number density of drops of the diameter corresponding to a particular drop size class per unit volume(number_density_drops) equivalent_radar_reflectivity equivalent_radar_reflectivity_ott Moment 1 from the observed distribution(moment1) Median volume diameter, assuming an ideal Marshall-Palmer type distribution(median_volume_diameter)

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