Datastream : WACR

W-band (95 GHz) ARM Cloud Radar

Active Dates
2005.06.22 - 2015.12.02

Measurement Categories
Cloud Properties

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


Only measurements considered scientifically relevant are shown below by default.

Show all measurements

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 retired
ARM Mobile Facility
FKBM1 Browse Data Browse PlotsBlack Forest, Germany retired
GRWM1 Browse Data Browse PlotsGraciosa Island, Azores, Portugal; AMF1 retired
HFEM1 Browse Data Browse PlotsShouxian, Anhui, China retired
MAOM1 Browse Data Browse PlotsManacapuru, Amazonas, Brazil; AMF1
NIMM1 Browse Data Browse PlotsNiamey, Niger retired
PVCM1 Browse Data Browse PlotsHighland Center, Cape Cod MA; AMF1 retired
 retired = Originating instrument has been retired at this location


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

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

Bradley Isom
Pacific Northwest National Laboratory

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

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

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

Alyssa Matthews
Pacific Northwest National Laboratory
data analysis