HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.8, ACDD-1.3, GEOMS"
	attribute acknowledgement = ""
	attribute axis_ratioMethod = "BeardChuang_PolynomialFit"
	attribute cdm_data_type = ""
	attribute comment = ""
	attribute contributor_name = ""
	attribute contributor_role = ""
	attribute creator_email = "ccres_contact@listes.ipsl.fr"
	attribute creator_institution = ""
	attribute creator_name = "ACTRIS-CCRES"
	attribute creator_type = "institution"
	attribute creator_url = "https://ccres.aeris-data.fr"
	attribute date_created = "2025-09-04T10:56:12Z"
	attribute date_issued = "2025-09-04T10:56:12Z"
	attribute date_metadata_modified = ""
	attribute date_modified = "2025-09-04T10:56:12Z"
	attribute day = "17"
	attribute disdrometer_pid = "https://hdl.handle.net/21.12132/3.11d3217867474e22"
	attribute disdrometer_source = "Thies Clima LNM"
	attribute fallspeedFormula = "GunAndKinzer"
	attribute files_provided = "D-1 D D+1"
	attribute geospatial_bounds = "POLYGON ((48.71699905395508, 2.208737373352051), (48.71699905395508, 2.2090001106262207), (48.717350006103516, 2.2090001106262207), (48.717350006103516, 2.208737373352051))"
	attribute geospatial_bounds_crs = "EPSG:4326"
	attribute geospatial_bounds_vertical_crs = "EPSG:5829"
	attribute geospatial_lat_max = 48.71735
	attribute geospatial_lat_min = 48.7169991
	attribute geospatial_lat_resolution = 0.001
	attribute geospatial_lat_units = "degree_north"
	attribute geospatial_lon_max = 2.20900011
	attribute geospatial_lon_min = 2.20873737
	attribute geospatial_lon_resolution = 0.001
	attribute geospatial_lon_units = "degree_east"
	attribute geospatial_vertical_max = 156.0
	attribute geospatial_vertical_min = 156.0
	attribute geospatial_vertical_positive = "up"
	attribute geospatial_vertical_resolution = 0.1
	attribute geospatial_vertical_units = "m"
	attribute history = "created on 2025-09-04T10:56:12Z by ccres_disdrometer_processing, v0.3.0"
	attribute id = ""
	attribute instrument = "GCMD:Earth Remote Sensing Instruments, GCMD:Active Remote Sensing, GCMD:Profilers/Sounders, GCMD:Radar Sounders, GCMD:DOPPLER RADAR, GCMD:FMCWR, GCMD:VERTICAL POINTING RADAR, GCMD:In Situ/Laboratory Instruments, GCMD:Gauges, GCMD:RAIN GAUGES, GCMD:Recorders/Loggers, GCMD:DISDROMETERS, GCMD:Temperature/Humidity Sensors, GCMD:TEMPERATURE SENSORS, GCMD:HUMIDITY SENSORS, GCMD:Current/Wind Meters, GCMD:WIND MONITOR, GCMD:Pressure/Height Meters, GCMD:BAROMETERS"
	attribute instrument_vocabulary = "GCMD:GCMD Keywords"
	attribute keywords = "GCMD:EARTH SCIENCE, GCMD:ATMOSPHERE, GCMD:CLOUDS, GCMD:CLOUD DROPLET DISTRIBUTION, GCMD:CLOUD RADIATIVE TRANSFER, GCMD:CLOUD REFLECTANCE, GCMD:SCATTERING, GCMD:PRECIPITATION, GCMD:ATMOSPHERIC PRECIPITATION INDICES, GCMD:DROPLET SIZE, GCMD:HYDROMETEORS, GCMD:LIQUID PRECIPITATION, GCMD:RAIN, GCMD:LIQUID WATER EQUIVALENT, GCMD:PRECIPITATION AMOUNT, GCMD:PRECIPITATION RATE, GCMD:SURFACE PRECIPITATION"
	attribute keywords_vocabulary = "GCMD:GCMD Keywords, CF:NetCDF COARDS Climate and Forecast Standard Names"
	attribute license = "CC BY 4.0"
	attribute location = "Palaiseau"
	attribute metadata_link = ""
	attribute month = "06"
	attribute naming_authority = ""
	attribute number_files_provided = 3
	attribute platform = "GCMD:In Situ Land-based Platforms, GCMD:OBSERVATORIES"
	attribute platform_vocabulary = "GCMD:GCMD Keywords"
	attribute processing_level = "2b"
	attribute product_version = "0.3.0"
	attribute program = "ACTRIS, CloudNet, CCRES"
	attribute project = ""
	attribute publisher_email = ""
	attribute publisher_institution = ""
	attribute publisher_name = ""
	attribute publisher_type = ""
	attribute publisher_url = ""
	attribute radar_pid = "https://hdl.handle.net/21.12132/3.643b7b5b43814e6f"
	attribute radar_source = "BASTA"
	attribute references = ""
	attribute source = "surface observation from BASTA DCR, Thies Clima LNM disdrometer and AMS, processed by CloudNet"
	attribute standard_name_vocabulary = "CF Standard Name Table v84"
	attribute station_name = "SIRTA"
	attribute summary = "Significant rain events are identified, and statistics of reflectivity differences between DCR and disdrometer-modeled data are computed at relevant radar ranges over each rain event period, after applying a filter based on several quality checks."
	attribute time_coverage_duration = "P0DT23H59M0S"
	attribute time_coverage_end = "2025-06-17T23:59:00Z"
	attribute time_coverage_resolution = "P0DT0H1M0S"
	attribute time_coverage_start = "2025-06-17T00:00:00Z"
	attribute title = "CCRES processing output file for Doppler cloud radar stability monitoring with disdrometer at Palaiseau site"
	attribute year = "2025"
dataset /DVdcr: float32, shape (1440, 3)
	attribute _FillValue = nan
	attribute comment = "available at the ranges closest to those defined in the station configuration file"
	attribute long_name = "DCR Doppler velocity"
	attribute units = "m.s^-1"
dataset /Delta_Z: float32, shape (1440, 3)
	attribute _FillValue = nan
	attribute comment = "available at the ranges closest to those defined in the station configuration file"
	attribute long_name = "Difference between DCR and disdrometer-modeled reflectivity"
	attribute units = "dBZ"
dataset /QC_hur: int8, shape (1440)
	attribute comment = "not computable when no AMS data is provided"
	attribute dtype = "bool"
	attribute flag_meanings = "hur_above_lower_bound hur_over_upper_bound"
	attribute flag_values = 0, 1
	attribute long_name = "Quality check for relative humidity, bounds specified in conf"
	attribute unit = "1"
dataset /QC_hur_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "among the timesteps for which Delta Z can be computed"
	attribute long_name = "ratio of timesteps where relative humidity QC is good"
	attribute unit = "1"
dataset /QC_overall: int16, shape (1440)
	attribute comment = "Checks combined : ta, ws, wd, hur, vdsd_t, pr"
	attribute flag_meanings = "at_least_one_QC_not_OK all_QC_OK"
	attribute flag_values = 0, 1
	attribute long_name = "Overall quality check"
	attribute unit = "1"
dataset /QC_overall_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "Checks combined : ta, ws, wd, hur, vdsd_t, pr"
	attribute long_name = "ratio of timesteps where all checks are good"
	attribute unit = "1"
dataset /QC_pr: int16, shape (1440)
	attribute _FillValue = -9
	attribute comment = "threshold = 3 mm/h"
	attribute flag_meanings = "precipitation_rate_above threshold precipitation_rate_ok"
	attribute flag_values = 0, 1
	attribute long_name = "Quality check for rainfall rate (based on disdro pr data)"
dataset /QC_pr_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "among the timesteps for which Delta Z can be computed"
	attribute long_name = "ratio of timesteps where precipitation rate QC is good"
	attribute unit = "1"
dataset /QC_ta: int8, shape (1440)
	attribute _FillValue = 1
	attribute comment = "not computable when no AMS data is provided"
	attribute dtype = "bool"
	attribute flag_meanings = "temperature_lower_than_threshold temperature_ok"
	attribute flag_values = 0, 1
	attribute long_name = "Quality check for air temperature"
	attribute unit = "1"
dataset /QC_ta_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "among the timesteps for which Delta Z can be computed"
	attribute long_name = "ratio of timesteps where air temperature QC is good"
	attribute unit = "1"
dataset /QC_vdsd_t: int8, shape (1440)
	attribute _FillValue = 1
	attribute comment = "threshold = 0.3 i.e. 30% of relative error between average fall speed computed from speed distribution and average fall speed modeled from diameter distribution"
	attribute dtype = "bool"
	attribute flag_meanings = "discrepancy_between_observed_and_modeled_disdrometer_droplet_fallspeed_above_threshold discrepancy_under_threshold"
	attribute flag_values = 0, 1
	attribute long_name = "Quality check for cohence between fall speed and droplet diameter"
	attribute unit = "1"
dataset /QC_vdsd_t_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "among the timesteps for which Delta Z can be computed"
	attribute long_name = "ratio of timesteps where check on relationship betwee, droplet fall speed and diameter is good"
	attribute unit = "1"
dataset /QC_wd: int8, shape (1440)
	attribute _FillValue = 1
	attribute comment = "not computable when no AMS data is provided"
	attribute dtype = "bool"
	attribute flag_meanings = "wind_direction_outside_good_angle_range wind_direction_ok"
	attribute flag_values = 0, 1
	attribute long_name = "Quality check for wind direction"
	attribute unit = "1"
dataset /QC_wd_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "among the timesteps for which Delta Z can be computed"
	attribute long_name = "ratio of timesteps where wind direction QC is good"
	attribute unit = "1"
dataset /QC_ws: int8, shape (1440)
	attribute _FillValue = 1
	attribute comment = "not computable when no AMS data is provided"
	attribute dtype = "bool"
	attribute flag_meanings = "wind_speed_higher_than_threshold wind_speed_ok"
	attribute flag_values = 0, 1
	attribute long_name = "Quality check for wind speed"
	attribute unit = "1"
dataset /QC_ws_ratio: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "among the timesteps for which Delta Z can be computed"
	attribute long_name = "ratio of timesteps where wind speed QC is good"
	attribute unit = "1"
dataset /QF_rain_accumulation: int16, shape (0)
	attribute flag_meanings = "accumulation_above_threshold accumulation_over_threshold"
	attribute flag_values = 0, 1
	attribute long_name = "Flag on event rain accumulation"
	attribute unit = "1"
dataset /QF_rainfall_amount: int8, shape (1440)
	attribute _FillValue = 1
	attribute comment = "Flag based on AMS data ; threshold = 3 mm"
	attribute dtype = "bool"
	attribute flag_meanings = "less_rain_than_threshold_since_event_begin more_rain_than_threshold_since_event_begin"
	attribute flag_values = 0, 1
	attribute long_name = "Quality flag for minimum rainfall amount"
	attribute unit = "1"
dataset /QF_rg_dd: int8, shape (1440)
	attribute _FillValue = 1
	attribute comment = "not computable when no AMS data is provided"
	attribute dtype = "bool"
	attribute flag_meanings = "relative_difference_higher_than_threshold relative_difference_ok"
	attribute flag_values = 0, 1
	attribute long_name = "Quality flag for discrepancy between rain gauge and disdrometer precipitation rate"
	attribute unit = "1"
dataset /QF_rg_dd_event: int16, shape (0)
	attribute _FillValue = -9
	attribute comment = "not computable when no AMS data is provided"
	attribute flag_meanings = "accumulation_above_threshold accumulation_over_threshold"
	attribute flag_values = 0, 1
	attribute long_name = "Flag on deviation between rain gauge and disdrometer precipitation rate at the end of an event"
dataset /Zdcr: float32, shape (1440, 3)
	attribute _FillValue = nan
	attribute long_name = "DCR reflectivity at the ranges closest to those defined in the station configuration file"
	attribute units = "dBZ"
dataset /Zdd: float32, shape (1440)
	attribute _FillValue = nan
	attribute long_name = "Disdrometer forward-modeled reflectivity"
	attribute units = "dBZ"
dataset /ams_cp_since_event_begin: float64, shape (1440)
	attribute _FillValue = nan
	attribute comment = "not computable when no AMS data is provided"
	attribute long_name = "pluviometer rain accumulation since last begin of an event"
	attribute unit = "mm"
dataset /dZ_max: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "maximum value of Delta Z for good timesteps"
	attribute unit = "dBZ"
dataset /dZ_mean: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "average value of Delta Z for good timesteps"
	attribute unit = "dBZ"
dataset /dZ_med: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "median value of Delta Z for good timesteps"
	attribute unit = "dBZ"
dataset /dZ_min: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "minimum value of Delta Z for good timesteps"
	attribute unit = "dBZ"
dataset /dZ_q1: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "first quartile of Delta Z distribution for good timesteps"
	attribute unit = "dBZ"
dataset /dZ_q3: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "third quartile of Delta Z distribution for good timesteps"
	attribute unit = "dBZ"
dataset /disdro_cp_since_event_begin: float64, shape (1440)
	attribute _FillValue = nan
	attribute long_name = "disdrometer rain accumulation since last begin of an event"
	attribute unit = "mm"
dataset /end_event: int64, shape (0)
	attribute calendar = "standard"
	attribute long_name = "event end epoch"
	attribute units = "seconds since 2000-01-01T00:00:00+00:00"
dataset /event_length: int32, shape (0)
	attribute long_name = "event duration"
	attribute unit = "mn"
dataset /events: int32, shape (0)
dataset /fallspeed_dd: float32, shape (1440)
	attribute _FillValue = nan
	attribute long_name = "Average droplet fall speed seen by the disdrometer"
	attribute units = "dBZ"
dataset /flag_event: int8, shape (1440)
	attribute dtype = "bool"
	attribute flag_meanings = "timestep_part_of_an_event timestep_not_involved_in_any_avent"
	attribute flag_values = 0, 1
	attribute long_name = "flag to describe if a timestep belongs to a rain event"
	attribute unit = "1"
dataset /good_points_number: int32, shape (0)
	attribute long_name = "number of timesteps where all checks are good"
	attribute unit = "1"
dataset /nb_dz_computable_pts: int32, shape (0)
	attribute long_name = "number of timesteps for which Delta Z can be computed"
	attribute unit = "1"
dataset /rain_accumulation: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "ams rain accumulation over the whole event"
	attribute unit = "mm"
dataset /range: float32, shape (3)
	attribute _FillValue = nan
// range: first 100.0, last 300.0, count 3
dataset /reg_intercept: float64, shape (0)
	attribute _FillValue = nan
	attribute comment = "expected to be related to the bias i.e. to mean Delta Z"
	attribute long_name = "intercept of the linear regression Zdd/Zdcr for each event"
	attribute unit = "1"
dataset /reg_rmse: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "RMSE of the linear regression Zdd/Zdcr for each event"
	attribute unit = "1"
dataset /reg_score: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "R_squared of the linear regression Zdd/Zdcr for each event"
	attribute unit = "1"
dataset /reg_slope: float64, shape (0)
	attribute _FillValue = nan
	attribute long_name = "slope of the linear regression Zdd/Zdcr for each event"
	attribute unit = "1"
dataset /start_event: int64, shape (0)
	attribute calendar = "standard"
	attribute long_name = "event start epoch"
	attribute units = "seconds since 2000-01-01T00:00:00+00:00"
dataset /time: int64, shape (1440)
	attribute calendar = "standard"
	attribute standard_name = "time"
	attribute units = "seconds since 2000-01-01T00:00:00+00:00"
// time: first 803520000, last 803606340, count 1440
dataset /weather_data_used: int16, shape ()
	attribute flag_meanings = "yes no "
	attribute flag_values = 0, 1
	attribute long_name = "use of weather data for processing"