netcdf nsaxsaprcmacppiC1.c1.20200924.190658 { dimensions: time = UNLIMITED ; // (2160 currently) range = 1001 ; sweep = 6 ; string_length = 32 ; frequency = 1 ; r_calib = 1 ; variables: double time(time) ; time:units = "seconds since 2020-09-24 19:06:57 0:00" ; time:standard_name = "time" ; time:calendar = "gregorian" ; time:long_name = "Time offset from midnight" ; float range(range) ; range:long_name = "Range to measurement volume" ; range:units = "m" ; range:meters_between_gates = 100.f ; range:meters_to_center_of_first_gate = 0.f ; range:spacing_is_constant = "True" ; range:standard_name = "projection_range_coordinate" ; range:axis = "radial_range_coordinate" ; float azimuth(time) ; azimuth:_FillValue = -9999.f ; azimuth:long_name = "Azimuth angle from true north" ; azimuth:units = "degree" ; azimuth:standard_name = "sensor_to_target_azimuth_angle" ; azimuth:axis = "radial_azimuth_coordinate" ; float elevation(time) ; elevation:_FillValue = -9999.f ; elevation:long_name = "Elevation angle from horizontal plane" ; elevation:units = "degree" ; elevation:standard_name = "sensor_to_target_elevation_angle" ; elevation:axis = "radial_elevation_coordinate" ; short attenuation_corrected_differential_reflectivity(time, range) ; attenuation_corrected_differential_reflectivity:_FillValue = -32767s ; attenuation_corrected_differential_reflectivity:long_name = "Rainfall attenuation-corrected differential reflectivity" ; attenuation_corrected_differential_reflectivity:units = "dB" ; attenuation_corrected_differential_reflectivity:coordinates = "elevation azimuth range" ; attenuation_corrected_differential_reflectivity:standard_name = "radar_differential_reflectivity_hv" ; short attenuation_corrected_reflectivity_h(time, range) ; attenuation_corrected_reflectivity_h:_FillValue = -32767s ; attenuation_corrected_reflectivity_h:long_name = "Rainfall attenuation-corrected reflectivity, horizontal channel" ; attenuation_corrected_reflectivity_h:units = "dBZ" ; attenuation_corrected_reflectivity_h:coordinates = "elevation azimuth range" ; attenuation_corrected_reflectivity_h:standard_name = "equivalent_reflectivity_factor" ; float cross_correlation_ratio_hv(time, range) ; cross_correlation_ratio_hv:_FillValue = -32767.f ; cross_correlation_ratio_hv:long_name = "Cross-polar correlation ratio" ; cross_correlation_ratio_hv:units = "1" ; cross_correlation_ratio_hv:coordinates = "elevation azimuth range" ; cross_correlation_ratio_hv:standard_name = "cross_correlation_ratio_hv" ; float differential_phase(time, range) ; differential_phase:_FillValue = -32767.f ; differential_phase:long_name = "Differential propagation phase shift" ; differential_phase:units = "degree" ; differential_phase:coordinates = "elevation azimuth range" ; differential_phase:standard_name = "radar_differential_phase_hv" ; float differential_reflectivity(time, range) ; differential_reflectivity:_FillValue = -32767.f ; differential_reflectivity:long_name = "Differential reflectivity" ; differential_reflectivity:units = "dB" ; differential_reflectivity:coordinates = "elevation azimuth range" ; differential_reflectivity:standard_name = "radar_differential_reflectivity_hv" ; float mean_doppler_velocity(time, range) ; mean_doppler_velocity:_FillValue = -32767.f ; mean_doppler_velocity:long_name = "Radial mean Doppler velocity, positive for motion away from the instrument" ; mean_doppler_velocity:units = "m/s" ; mean_doppler_velocity:coordinates = "elevation azimuth range" ; mean_doppler_velocity:standard_name = "radial_velocity_of_scatterers_away_from_instrument" ; float normalized_coherent_power(time, range) ; normalized_coherent_power:_FillValue = -32767.f ; normalized_coherent_power:long_name = "Normalized coherent power, also known as SQI." ; normalized_coherent_power:units = "1" ; normalized_coherent_power:coordinates = "elevation azimuth range" ; normalized_coherent_power:standard_name = "radar_normalized_coherent_power" ; int radar_echo_classification(time, range) ; radar_echo_classification:long_name = "Radar echo classification" ; radar_echo_classification:units = "1" ; radar_echo_classification:coordinates = "elevation azimuth range" ; radar_echo_classification:standard_name = "radar_echo_classification" ; radar_echo_classification:flag_values = 0, 1, 2, 3, 4, 5, 6, 255, 65535 ; radar_echo_classification:flag_meanings = "no_data_available non_meteorological_target rain wet_snow snow graupel hail area_not_scanned area_not_scanned" ; float reflectivity(time, range) ; reflectivity:_FillValue = -32767.f ; reflectivity:long_name = "Equivalent reflectivity factor" ; reflectivity:units = "dBZ" ; reflectivity:coordinates = "elevation azimuth range" ; reflectivity:standard_name = "equivalent_reflectivity_factor" ; short reflectivity_enhanced(time, range) ; reflectivity_enhanced:_FillValue = -32767s ; reflectivity_enhanced:long_name = "Equivalent reflectivity factor enhanced" ; reflectivity_enhanced:units = "dBZ" ; reflectivity_enhanced:coordinates = "elevation azimuth range" ; reflectivity_enhanced:standard_name = "equivalent_reflectivity_factor" ; short reflectivity_v(time, range) ; reflectivity_v:_FillValue = -32767s ; reflectivity_v:long_name = "Equivalent reflectivity factor, vertical channel" ; reflectivity_v:units = "dBZ" ; reflectivity_v:coordinates = "elevation azimuth range" ; reflectivity_v:standard_name = "equivalent_reflectivity_factor" ; float signal_to_noise_ratio(time, range) ; signal_to_noise_ratio:long_name = "Signal to noise ratio" ; signal_to_noise_ratio:units = "dB" ; signal_to_noise_ratio:standard_name = "signal_to_noise_ratio" ; signal_to_noise_ratio:coordinates = "elevation azimuth range" ; float specific_differential_phase(time, range) ; specific_differential_phase:_FillValue = -32767.f ; specific_differential_phase:long_name = "Specific differential phase (KDP)" ; specific_differential_phase:units = "degree/km" ; specific_differential_phase:coordinates = "elevation azimuth range" ; specific_differential_phase:standard_name = "radar_specific_differential_phase_hv" ; float spectral_width(time, range) ; spectral_width:_FillValue = -32767.f ; spectral_width:long_name = "Spectral width" ; spectral_width:units = "m/s" ; spectral_width:coordinates = "elevation azimuth range" ; spectral_width:standard_name = "radar_doppler_spectrum_width" ; float total_power(time, range) ; total_power:_FillValue = -32767.f ; total_power:long_name = "Total power" ; total_power:units = "dBZ" ; total_power:coordinates = "elevation azimuth range" ; total_power:standard_name = "equivalent_reflectivity_factor" ; short total_power_enhanced(time, range) ; total_power_enhanced:_FillValue = -32767s ; total_power_enhanced:long_name = "Total power enhanced" ; total_power_enhanced:units = "dBZ" ; total_power_enhanced:coordinates = "elevation azimuth range" ; total_power_enhanced:standard_name = "equivalent_reflectivity_factor" ; short total_power_v(time, range) ; total_power_v:_FillValue = -32767s ; total_power_v:long_name = "Total power, vertical channel" ; total_power_v:units = "dBZ" ; total_power_v:coordinates = "elevation azimuth range" ; total_power_v:standard_name = "equivalent_reflectivity_factor" ; double ground_clutter(time, range) ; ground_clutter:long_name = "Ground Clutter" ; ground_clutter:standard_name = "ground_clutter" ; ground_clutter:notes = "0: No Clutter, 1: Clutter" ; ground_clutter:units = "1" ; ground_clutter:flag_values = 0L, 1L ; ground_clutter:flag_meanings = "no_clutter clutter" ; float clutter_masked_velocity(time, range) ; clutter_masked_velocity:_FillValue = -32767.f ; clutter_masked_velocity:long_name = "Radial mean Doppler velocity, positive for motion away from the instrument, clutter removed" ; clutter_masked_velocity:units = "m/s" ; clutter_masked_velocity:coordinates = "elevation azimuth range" ; clutter_masked_velocity:standard_name = "radial_velocity_of_scatterers_away_from_instrument" ; float sounding_temperature(time, range) ; sounding_temperature:long_name = "Interpolated profile" ; sounding_temperature:standard_name = "interpolated_profile" ; sounding_temperature:units = "degC" ; float height(time, range) ; height:long_name = "Height of radar beam" ; height:units = "m" ; height:standard_name = "height" ; double velocity_texture(time, range) ; velocity_texture:long_name = "Mean dopper velocity" ; velocity_texture:units = "m/s" ; velocity_texture:standard_name = "radial_velocity_of_scatterers_away_from_instrument" ; velocity_texture:coordinates = "elevation azimuth range" ; int64 gate_id(time, range) ; gate_id:long_name = "Classification of dominant scatterer" ; gate_id:units = "1" ; gate_id:flag_values = 0L, 1L, 2L, 3L, 4L, 5L, 6L ; gate_id:flag_meanings = "multi_trip rain snow no_scatter melting clutter terrain_blockage" ; double simulated_velocity(time, range) ; simulated_velocity:long_name = "Simulated mean doppler velocity" ; simulated_velocity:units = "m/s" ; simulated_velocity:standard_name = "radial_velocity_of_scatterers_away_from_instrument" ; simulated_velocity:coordinates = "elevation azimuth range" ; float corrected_velocity(time, range) ; corrected_velocity:_FillValue = -32767.f ; corrected_velocity:long_name = "Corrected mean doppler velocity" ; corrected_velocity:units = "m/s" ; corrected_velocity:standard_name = "corrected_radial_velocity_of_scatterers_away_from_instrument" ; corrected_velocity:coordinates = "elevation azimuth range" ; corrected_velocity:valid_min = -74.865 ; corrected_velocity:valid_max = 74.865 ; double unfolded_differential_phase(time, range) ; unfolded_differential_phase:_FillValue = -32767. ; unfolded_differential_phase:units = "degree" ; unfolded_differential_phase:coordinates = "elevation azimuth range" ; unfolded_differential_phase:standard_name = "radar_differential_phase_hv" ; unfolded_differential_phase:long_name = "Unfolded differential propagation phase shift" ; double corrected_differential_phase(time, range) ; corrected_differential_phase:_FillValue = -32767. ; corrected_differential_phase:units = "degree" ; corrected_differential_phase:coordinates = "elevation azimuth range" ; corrected_differential_phase:standard_name = "radar_differential_phase_hv" ; corrected_differential_phase:valid_min = 0. ; corrected_differential_phase:valid_max = 400. ; corrected_differential_phase:long_name = "Corrected differential propagation phase shift" ; double filtered_corrected_differential_phase(time, range) ; filtered_corrected_differential_phase:_FillValue = -32767. ; filtered_corrected_differential_phase:units = "degree" ; filtered_corrected_differential_phase:coordinates = "elevation azimuth range" ; filtered_corrected_differential_phase:standard_name = "radar_differential_phase_hv" ; filtered_corrected_differential_phase:valid_min = 0. ; filtered_corrected_differential_phase:valid_max = 400. ; filtered_corrected_differential_phase:long_name = "Filtered corrected differential propagation phase shift" ; double corrected_specific_diff_phase(time, range) ; corrected_specific_diff_phase:_FillValue = -9999. ; corrected_specific_diff_phase:units = "degree/km" ; corrected_specific_diff_phase:coordinates = "elevation azimuth range" ; corrected_specific_diff_phase:standard_name = "radar_specific_differential_phase_hv" ; corrected_specific_diff_phase:long_name = "Corrected Specific Differential Phase (KDP)" ; double filtered_corrected_specific_diff_phase(time, range) ; filtered_corrected_specific_diff_phase:_FillValue = -9999. ; filtered_corrected_specific_diff_phase:long_name = "Filtered Corrected Specific differential phase (KDP)" ; filtered_corrected_specific_diff_phase:units = "degree/km" ; filtered_corrected_specific_diff_phase:coordinates = "elevation azimuth range" ; filtered_corrected_specific_diff_phase:standard_name = "radar_specific_differential_phase_hv" ; double corrected_differential_reflectivity(time, range) ; corrected_differential_reflectivity:_FillValue = 1.e+20 ; corrected_differential_reflectivity:long_name = "Corrected differential reflectivity" ; corrected_differential_reflectivity:units = "dB" ; corrected_differential_reflectivity:standard_name = "corrected_log_differential_reflectivity_hv" ; corrected_differential_reflectivity:coordinates = "elevation azimuth range" ; double corrected_reflectivity(time, range) ; corrected_reflectivity:_FillValue = 1.e+20 ; corrected_reflectivity:long_name = "Corrected reflectivity" ; corrected_reflectivity:units = "dBZ" ; corrected_reflectivity:standard_name = "corrected_equivalent_reflectivity_factor" ; corrected_reflectivity:coordinates = "elevation azimuth range" ; float height_over_iso0(time, range) ; height_over_iso0:units = "m" ; height_over_iso0:standard_name = "height" ; height_over_iso0:long_name = "Height of radar beam over freezing level" ; double specific_attenuation(time, range) ; specific_attenuation:_FillValue = 1.e+20 ; specific_attenuation:long_name = "Specific attenuation" ; specific_attenuation:units = "dB/km" ; specific_attenuation:standard_name = "specific_attenuation" ; specific_attenuation:valid_min = 0. ; specific_attenuation:valid_max = 1. ; specific_attenuation:coordinates = "elevation azimuth range" ; double path_integrated_attenuation(time, range) ; path_integrated_attenuation:_FillValue = 1.e+20 ; path_integrated_attenuation:long_name = "Path Integrated Attenuation" ; path_integrated_attenuation:units = "dB" ; path_integrated_attenuation:coordinates = "elevation azimuth range" ; double specific_differential_attenuation(time, range) ; specific_differential_attenuation:_FillValue = 1.e+20 ; specific_differential_attenuation:long_name = "Specific Differential Attenuation" ; specific_differential_attenuation:units = "dB/km" ; specific_differential_attenuation:coordinates = "elevation azimuth range" ; double path_integrated_differential_attenuation(time, range) ; path_integrated_differential_attenuation:_FillValue = 1.e+20 ; path_integrated_differential_attenuation:long_name = "Path Integrated Differential Attenuation" ; path_integrated_differential_attenuation:units = "dB" ; path_integrated_differential_attenuation:coordinates = "elevation azimuth range" ; double rain_rate_A(time, range) ; rain_rate_A:_FillValue = 1.e+20 ; rain_rate_A:units = "mm/hr" ; rain_rate_A:standard_name = "rainfall_rate" ; rain_rate_A:valid_min = 0. ; rain_rate_A:valid_max = 400. ; rain_rate_A:coordinates = "elevation azimuth range" ; rain_rate_A:least_significant_digit = 1L ; rain_rate_A:comment = "Rain rate calculated from specific_attenuation, R=51.3*specific_attenuation**0.81, note R=0.0 where norm coherent power < 0.4 or rhohv < 0.8" ; rain_rate_A:long_name = "" ; int sweep_number(sweep) ; sweep_number:_FillValue = -9999 ; sweep_number:long_name = "Sweep index number 0 based" ; sweep_number:units = "1" ; float fixed_angle(sweep) ; fixed_angle:_FillValue = -9999.f ; fixed_angle:long_name = "Ray target fixed angle" ; fixed_angle:units = "degree" ; int sweep_start_ray_index(sweep) ; sweep_start_ray_index:_FillValue = -9999 ; sweep_start_ray_index:long_name = "Index of first ray in sweep" ; sweep_start_ray_index:units = "1" ; int sweep_end_ray_index(sweep) ; sweep_end_ray_index:_FillValue = -9999 ; sweep_end_ray_index:long_name = "Index of last ray in sweep" ; sweep_end_ray_index:units = "1" ; char sweep_mode(sweep, string_length) ; sweep_mode:_FillValue = "-" ; sweep_mode:long_name = "Scan mode for sweep" ; sweep_mode:units = "1" ; float frequency(frequency) ; frequency:long_name = "Transmit center frequency" ; frequency:units = "Hz" ; frequency:meta_group = "instrument_parameters" ; char prt_mode(sweep, string_length) ; prt_mode:_FillValue = "-" ; prt_mode:long_name = "Transmit pulse mode" ; prt_mode:units = "1" ; prt_mode:meta_group = "instrument_parameters" ; prt_mode:standard_name = "transmit_pulse_mode" ; float prt(time) ; prt:_FillValue = -9999.f ; prt:long_name = "Pulse repetition time" ; prt:units = "s" ; float nyquist_velocity(time) ; nyquist_velocity:_FillValue = -9999.f ; nyquist_velocity:long_name = "Unambiguous doppler velocity" ; nyquist_velocity:units = "m/s" ; nyquist_velocity:meta_group = "instrument_parameters" ; float unambiguous_range(time) ; unambiguous_range:_FillValue = -9999.f ; unambiguous_range:long_name = "Unambiguous Range" ; unambiguous_range:units = "m" ; unambiguous_range:meta_group = "instrument_parameters" ; unambiguous_range:standard_name = "unambiguous_range" ; int n_samples(time) ; n_samples:_FillValue = -9999 ; n_samples:long_name = "Number of Samples used to compute moments" ; n_samples:units = "1" ; n_samples:meta_group = "instrument_parameters" ; n_samples:standard_name = "number_of_samples_used_to_compute_moments" ; float radar_receiver_bandwidth ; radar_receiver_bandwidth:_FillValue = -9999.f ; radar_receiver_bandwidth:long_name = "Radar receiver bandwidth" ; radar_receiver_bandwidth:units = "Hz" ; radar_receiver_bandwidth:meta_group = "radar_parameters" ; float r_calib_radar_constant_h(r_calib) ; r_calib_radar_constant_h:_FillValue = -9999.f ; r_calib_radar_constant_h:long_name = "Calibrated radar constant horizontal channel" ; r_calib_radar_constant_h:units = "dB" ; r_calib_radar_constant_h:meta_group = "radar_calibration" ; r_calib_radar_constant_h:standard_name = "calibrated_radar_constant_h_channel" ; float r_calib_radar_constant_v(r_calib) ; r_calib_radar_constant_v:_FillValue = -9999.f ; r_calib_radar_constant_v:long_name = "Calibrated radar constant vertical channel" ; r_calib_radar_constant_v:units = "dB" ; r_calib_radar_constant_v:meta_group = "radar_calibration" ; r_calib_radar_constant_v:standard_name = "calibrated_radar_constant_v_channel" ; float latitude ; latitude:_FillValue = -9999.f ; latitude:long_name = "Latitude" ; latitude:units = "degree_N" ; latitude:standard_name = "latitude" ; latitude:valid_min = -90.f ; latitude:valid_max = 90.f ; float longitude ; longitude:_FillValue = -9999.f ; longitude:long_name = "Longitude" ; longitude:units = "degree_E" ; longitude:standard_name = "longitude" ; longitude:valid_min = -180.f ; longitude:valid_max = 180.f ; float altitude ; altitude:_FillValue = -9999.f ; altitude:long_name = "Altitude" ; altitude:units = "m" ; altitude:standard_name = "altitude" ; char time_coverage_start(string_length) ; time_coverage_start:long_name = "UTC time of first ray in the file" ; time_coverage_start:units = 1L ; char time_coverage_end(string_length) ; time_coverage_end:long_name = "UTC time of last ray in the file" ; time_coverage_end:units = 1L ; char time_reference(string_length) ; time_reference:long_name = "UTC time reference" ; time_reference:units = 1L ; int volume_number ; volume_number:long_name = "Volume number" ; volume_number:units = 1L ; int base_time ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:string = "24-Sep-2020,19:06:58 GMT" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2020-09-24 19:06:57 0:00" ; time_offset:ancillary_variables = "time_offset" ; time_offset:calendar = "gregorian" ; // global attributes: :_NCProperties = "version=1|netcdflibversion=4.6.1|hdf5libversion=1.10.4" ; :Conventions = "CF/Radial instrument_parameters ARM-1.3" ; :site_id = "nsa" ; :comment = "This is highly experimental and initial data. There are many known and unknown issues. Please do not use before contacting the Translator responsible scollis@anl.gov" ; :attributions = "This data is collected by the ARM Climate Research facility. Radar system is operated by the radar engineering team radar@arm.gov and the data is processed by the precipitation radar products team. LP code courtesy of Scott Giangrande BNL." ; :process_version = "CMAC 2.0" ; :vap_name = "cmac" ; :known_issues = "False phidp jumps in insect regions. Still uses old Giangrande code. Issues with some snow below melting layer." ; :developers = "Robert Jackson, ANL. Zachary Sherman, ANL." ; :translator = "Scott Collis, ANL." ; :mentors = "Bradley Isom, PNNL. Iosif Lindenmaier, PNNL." ; :references = "See XSAPR Instrument Handbook" ; :source = "Atmospheric Radiation Measurement (ARM) program X-band Scanning ARM Precipitation Radar (XSAPR)" ; :institution = "U.S. Department of Energy Atmospheric Radiation Measurement (ARM) Climate Research Facility" ; :platform_id = "xsaprcmacppi" ; :dod_version = "xsaprcmacppi-c1-1.0" ; :input_datastream = "nsaxsaprcfrppiC1.a1" ; :data_level = "c1" ; :datastream = "nsaxsaprcmacppiC1.c1" ; :location_description = "North Slope of Alaska (NSA), Barrow, Alaska" ; :doi = "10.5439/1781398" ; :history = "created by zsherman on or-condo-c210.ornl.gov at 2021-08-02T14:42:35.771298 using Py-ART" ; :field_names = "attenuation_corrected_differential_reflectivity, attenuation_corrected_reflectivity_h, cross_correlation_ratio_hv, differential_phase, differential_reflectivity, mean_doppler_velocity, normalized_coherent_power, radar_echo_classification, reflectivity, reflectivity_enhanced, reflectivity_v, signal_to_noise_ratio, specific_differential_phase, spectral_width, total_power, total_power_enhanced, total_power_v, ground_clutter, clutter_masked_velocity, sounding_temperature, height, velocity_texture, gate_id, simulated_velocity, corrected_velocity, unfolded_differential_phase, corrected_differential_phase, filtered_corrected_differential_phase, corrected_specific_diff_phase, filtered_corrected_specific_diff_phase, corrected_differential_reflectivity, corrected_reflectivity, height_over_iso0, specific_attenuation, path_integrated_attenuation, specific_differential_attenuation, path_integrated_differential_attenuation, rain_rate_A" ; :command_line = " /home/zsherman/.conda/envs/cmac_env/lib/python3.7/site-packages/distributed/cli/dask_worker.py tcp://10.23.216.81:44792 --nthreads 6 --nprocs 6 --memory-limit 24.84GiB --name 2 --nanny --death-timeout 60 --local-directory /localscratch/tmp.zsherman.909906.or-condo-pbs01 --no-dashboard --interface ib0" ; :facility_id = "C1" ; }