Datastream : WACR

W-band (95 GHz) ARM Cloud Radar

Active Dates
2005.06.22 - 2017.02.18

Measurement Categories
Cloud Properties

Originating Instrument
W-Band (95 GHz) ARM Cloud Radar (WACR)


Only measurements considered scientifically relevant are shown below by default.

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Measurement Units Variable
Altitude above mean sea level m alt
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Receiver gain estimated from noise source measurements using Y-factor method dB gain ( time )
Range heights (center of radar sample volume) m height ( height )
Range Heights (center of radar sample volume) m MSL heights ( heights )
North latitude degree_N lat
East longitude degree_E lon
Mean doppler velocity m/s mean_doppler_velocity ( time, height )
Calculated Noise dB noise ( time )
Receiver noise figure estimated from noise source measurements using Y-factor method. dB noise_figure ( time )
Total sky noise power prior to spectrum computation mW noise_power_sky ( time )
Ship pitch, axis starboard-to-port, positive is bow up degrees pitch ( time )
Polarization mode. 0 = copol, 1 = xpol unitless polarization ( time )
Ambient load power dBm power_ambient_load ( time )
Hot load power dBm power_hot_load ( time )
Transmit driver power sampled by receiver dBm power_transmit_driver ( time )
Quality check results on field: Mean Doppler Velocity unitless qc_mean_doppler_velocity ( time, heights )
Quality check results on field: Reflectivity unitless qc_reflectivity ( time, heights )
Quality check results on field: Time offset from midnight unitless qc_time ( time )
Equivalent reflectivity factor dBZ reflectivity ( time, heights )
Ship roll, axis along ship length, positive is port up degrees roll ( time )
Signal to noise ratio dB signal_to_noise_ratio ( time, height )
Spectral width m/s spectral_width ( time, heights )
Extended Interaction Klystron Amplifier temperature degrees C temp_EIKA ( time )
Low noise amplifier temperature degrees C temp_LNA ( time )
Ambient temperature of radar front end components degrees C temp_ambient ( time )
Antenna bottom temperature degrees C temp_antenna_bottom ( time )
Antenna top temperature degrees C temp_antenna_top ( time )
Chiller temperature degrees C temp_chiller ( time )
Chiller return temperature degrees C temp_chiller_return ( time )
Chiller supply temperature degrees C temp_chiller_supply ( time )
Computer enclosure temperature degrees C temp_computer_enclosure ( time )
Future temperature degrees C temp_future ( time )
Hot load physical temperature degrees C temp_hot ( time )
Modulator temperature degrees C temp_modulator ( time )
Modulator control temperature degrees C temp_modulator_control ( time )
Outside temperature degrees C temp_outside ( time )
Time offset from midnight time ( time )
Time cell bounds time_bounds ( time, bound )
Time offset from base_time time_offset ( time )
Detected Pulse Watts txpower ( time )
status flag unitless wacr_status ( time )


Southern Great Plains
SGPC1 Browse Data Browse PlotsCentral Facility, Lamont, OK
ARM Mobile Facility
ASIM1 Browse DataAscension Island, South Atlantic Ocean; AMF1
FKBM1 Browse Data Browse PlotsBlack Forest, Germany
GRWM1 Browse Data Browse PlotsGraciosa Island, Azores, Portugal; AMF1
HFEM1 Browse Data Browse PlotsShouxian, Anhui, China
MAOM1 Browse Data Browse PlotsManacapuru, Amazonas, Brazil; AMF1
NIMM1 Browse Data Browse PlotsNiamey, Niger
PVCM1 Browse Data Browse PlotsHighland Center, Cape Cod MA; AMF1


Joseph Hardin
Pacific Northwest National Laboratory
(509) 375-2664

Dan Nelson
Pacific Northwest National Laboratory
(509) 375-6895

Iosif (Andrei) Lindenmaier
Pacific Northwest National Laboratory
(509) 375--6802

Bradley Isom
Pacific Northwest National Laboratory

Karen Johnson
Brookhaven National Laboratory
data analysis
(631) 344-5952

Alyssa Matthews
Pacific Northwest National Laboratory
data analysis

Nitin Bharadwaj
Pacific Northwest National Laboratory
(509) 372-4267