Datastream : WSACRPPIV

W-Band Scanning ARM Cloud Radar (WSACR) Single Fixed Elevation PPI Scan

Active Dates
2015.10.10 - 2017.02.01

Measurement Categories
Cloud Properties

Originating Instrument
W-band Scanning ARM Cloud Radar (WSACR)

Measurements

Only measurements considered scientifically relevant are shown below by default.

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Measurement Units Variable
Altitude above mean sea level m alt
Altitude m altitude
altitude_above_ground_level m altitude_agl
antenna_is_in_transition_between_sweeps unitless antenna_transition ( time )
azimuth_angle_from_true_north degrees azimuth ( time )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Copol to cross-polar correlation coefficient (also known as rhoxh) unitless co_to_crosspol_correlation_coeff_h ( time, range )
Copol to cross-polar correlation coefficient (also known as rhoxv) unitless co_to_crosspol_correlation_coeff_v ( time, range )
Copolar correlation coefficient (also known as rhohv) unitless copol_correlation_coeff ( time, range )
Cross-polar propagation phase shift degrees cross_polar_differential_phase_h ( time, range )
Cross-polar propagation phase shift degree cross_polar_differential_phase_v ( time, range )
Differential propagation phase shift degrees differential_phase ( time, range )
Differential reflectivity dB differential_reflectivity ( time, range )
Elevation angle from horizontal plane degree elevation ( time )
ray_target_fixed_angle degrees fixed_angle ( sweep )
Operating frequency s-1 frequency ( frequency )
Prt between group pulses secs group_intra_pulse_prt ( group_pulse_number )
Instrument type unitless instrument_type ( string_length_22 )
North latitude degree_N lat
latitude degree_N latitude
Linear depolarization ratio, horizontal channel dB linear_depolarization_ratio_h ( time, range )
Linear depolarization ratio, vertical channel dB linear_depolarization_ratio_v ( time, range )
East longitude degree_E lon
longitude degrees_east longitude
Radial mean Doppler velocity, positive for motion away from the instrument m s-1 mean_doppler_velocity ( time, range )
Unambiguous Doppler velocity m/s nyquist_velocity ( time )
Platform type unitless platform_type ( string_length_22 )
Polarization mode unitless polarization_mode ( string_length_22 )
pulse_repetition_frequency seconds prt
PRT mode unitless prt_mode ( sweep, string_length_22 )
Pulse width seconds pulse_width
calibrated_radar_dielectric_constant_in_use unitless r_calib_dielectric_constant ( r_calib )
calibrated_radar_finite_bandwidth_loss_h_channel dB r_calib_finite_bandwidth_loss_h ( r_calib )
radar_calibrated_finite_bandwidth_loss_v_channel dB r_calib_finite_bandwidth_loss_v ( r_calib )
calibration_data_array_index_per_ray unitless r_calib_index ( time )
Noise power in noise source region for horizontal copolar channel 1 dBm r_calib_noise_source_power_h
Noise power in noise source region for vertical cross-polar channel dBm r_calib_noise_source_power_v
calibrated_radar_probert_jones_correction_factor dB r_calib_probert_jones_correction ( r_calib )
Radar constant, horizontal copolar channel 1 dB r_calib_radar_constant_h ( r_calib )
Radar constant, vertical cross-polar channel 2 dB r_calib_radar_constant_v
calibrated_radar_receiver_gain_v_co_polar_channel dB r_calib_receiver_gain_hc
calibrated_radar_receiver_gain_v_cross_polar_channel dB r_calib_receiver_gain_vc ( r_calib )
Receiver gain for vertical cross-polar channel 2 dB r_calib_receiver_gain_vx
calibrated_radar_rx_path_loss_h_channel dB r_calib_rx_path_loss_h ( r_calib )
calibrated_radar_rx_path_loss_v_channel dB r_calib_rx_path_loss_v ( r_calib )
Two-way radome loss dB r_calib_two_way_radome_loss_h
calibrated_radar_tx_path_loss_h_channel dB r_calib_tx_path_loss_h ( r_calib )
calibrated_radar_tx_path_loss_v_channel dB r_calib_tx_path_loss_v ( r_calib )
half_power_radar_beam_width_h_channel degrees radar_beam_width_h
Half-power radar beam width, vertical channel degrees radar_beam_width_v
radar_measured_transmit_power dBm radar_measured_transmit_power ( time )
Radar measured transmit power, h channel dBm radar_measured_transmit_power_h ( time )
range_to_measurement_volume m range ( range )
Equivalent reflectivity factor dBZ reflectivity ( time, range )
Antenna scan rate, positive for clockwise or increasing elevation degrees per second scan_rate ( time )
Signal-to-noise ratio, horizontal channel dB signal_to_noise_ratio_co_polar_h ( time, range )
Signal-to-noise ratio, vertical channel dB signal_to_noise_ratio_co_polar_v ( time, range )
Signal-to-noise ratio, Cross-pol for horizontal channel dB signal_to_noise_ratio_cross_polar_h ( time, range )
Signal-to-noise ratio, Cross-pol for vertical channel dB signal_to_noise_ratio_cross_polar_v ( time, range )
Measured sky noise, horizontal channel dBm sky_noise_h ( time )
Measured sky noise, vertical channel dBm sky_noise_v ( time )
Spectral width meters per second spectral_width ( time, range )
index_of_last_ray_in_sweep count sweep_end_ray_index ( sweep )
Scan mode for sweep unitless sweep_mode ( sweep, string_length_22 )
sweep_index_number_0_based unitless sweep_number ( sweep )
Time index of first ray in sweep, 0-based count sweep_start_ray_index ( sweep )
Time offset from midnight time ( time )
UTC time of last ray in the file unitless time_coverage_end ( string_length_22 )
UTC time of first ray in the file unitless time_coverage_start ( string_length_22 )
Time offset from base_time time_offset ( time )
Unambiguous range m unambiguous_range
Radial mean Doppler velocity from horizontal channel, positive for motion away from the instrument, uncorrected m s-1 uncorrected_mean_doppler_velocity_h ( time, range )
Radial mean Doppler velocity from vertical channel, positive for motion away from the instrument, uncorrected m s-1 uncorrected_mean_doppler_velocity_v ( time, range )
Received copolar power, h channel, without thresholding. mW unthresholded_power_co_polar_h ( time, range )
Received copolar power, v channel, with thresholding mW unthresholded_power_co_polar_v ( time, range )
Received cross polar power, h channel, without thresholding mW unthresholded_power_cross_polar_h ( time, range )
Received cross polar power, v channel, without thresholding mW unthresholded_power_cross_polar_v ( time, range )
Volume Number count volume_number

Locations

Eastern North Atlantic
ENAD1 Browse DataCGA (Calibration, Grooming, and Alignment) Data
ARM Mobile Facility
OLID1 Browse DataCGA (Calibration, Grooming, and Alignment) Data

Contact(s)

Joseph Hardin
Pacific Northwest National Laboratory
associate
(509) 375-2664
joseph.hardin@pnnl.gov

Dan Nelson
Pacific Northwest National Laboratory
associate
(509) 375-6895
danny.nelson@pnnl.gov

Iosif (Andrei) Lindenmaier
Pacific Northwest National Laboratory
associate
(509) 375--6802
iosif.lindenmaier@pnnl.gov

Bradley Isom
Pacific Northwest National Laboratory
associate
1-509-372-4917
bradley.isom@pnnl.gov

Karen Johnson
Brookhaven National Laboratory
data analysis
(631) 344-5952
kjohnson@bnl.gov

Alyssa Matthews
Pacific Northwest National Laboratory
data analysis
5093754543
alyssa.matthews@pnnl.gov

Nitin Bharadwaj
Pacific Northwest National Laboratory
(509) 372-4267
nitin@pnnl.gov