wacr > W-Band (95 GHz) ARM Cloud RadarInstrument Type(s) > Baseline

The W-band ARM Cloud Radar (WACR) systems are zenith-pointing Doppler radars that probe the extent and composition of clouds at 95.04 GHz.

The main purpose of this radar is to determine cloud boundaries (e.g., cloud bottoms and tops).

This radar reports estimates for the first three spectra moments for each range gate up to 15 km. The 0th moment is reflectivity, the 1st moment is radial velocity, and the 2nd moment is spectral width. Also available are the raw spectra files.

Unlike the millimeter wavelength cloud radar (MMCR), the WACR does not use pulse coding and operates in only copolarization and cross-polarization modes.

Measurements

Locations

  • Fixed
  • AMF1
  • AMF2
  • AMF3

2021

Tian Y, Y Zhang, S Klein, and C Schumacher. 2021. "Interpreting the diurnal cycle of clouds and precipitation in the ARM GoAmazon observations: Shallow to deep convection transition." Journal of Geophysical Research: Atmospheres, 126(5), 2020JD033766, 10.1029/2020JD033766.
Research Highlight

Matrosov S. 2021. "Polarimetric Radar Variables in Snowfall at Ka- and W-Band Frequency Bands: A Comparative Analysis." Journal of Atmospheric and Oceanic Technology, 38(1), 10.1175/JTECH-D-20-0138.1.

Geerts B, G McFarquhar, L Xue, M Jensen, P Kollias, M Ovchinnikov, M Shupe, P DeMott, Y Wang, M Tjernstrom, P Field, S Abel, T Spengler, R Neggers, S Crewell, M Wendisch, and C Lupkes. 2021. Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) Field Campaign Report. Ed. by Robert Stafford, ARM user facility. DOE/SC-ARM-21-001.

2020

Wang D, M Jensen, J D'Iorio, G Jozef, S Giangrande, K Johnson, Z Luo, M Starzec, and G Mullendore. 2020. "An Observational Comparison of Level of Neutral Buoyancy and Level of Maximum Detrainment in Tropical Deep Convective Clouds." Journal of Geophysical Research: Atmospheres, 125(16), e2020JD032637, 10.1029/2020JD032637.
Research Highlight

Vilà‐Guerau de Arellano J, X Wang, X Pedruzo‐Bagazgoitia, M Sikma, A Agustí‐Panareda, S Boussetta, G Balsamo, L Machado, T Biscaro, P Gentine, S Martin, J Fuentes, and T Gerken. 2020. "Interactions Between the Amazonian Rainforest and Cumuli Clouds: A Large‐Eddy Simulation, High‐Resolution ECMWF, and Observational Intercomparison Study." Journal of Advances in Modeling Earth Systems, 12(7), e2019MS001828, 10.1029/2019MS001828.

Joshil S, V Chandrasekar, J Chiu, and Y Blanchard. 2020. "Separating cloud and drizzle signals in radar Doppler spectra using a parametric time domain method." Journal of Atmospheric and Oceanic Technology, 37(9), 10.1175/JTECH-D-20-0061.1.

Giangrande S, D Wang, and D Mechem. 2020. "Cloud regimes over the Amazon Basin: perspectives from the GoAmazon2014/5 campaign." Atmospheric Chemistry and Physics, 20(12), 10.5194/acp-20-7489-2020.
Research Highlight

Zheng Y, D Rosenfeld, and Z Li. 2020. "A more general paradigm for understanding the decoupling of stratocumulus‐topped boundary layers: the importance of horizontal temperature advection." Geophysical Research Letters, 47(14), e2020GL087697, 10.1029/2020GL087697.
Research Highlight

Giangrande S, D Wang, and D Mechem. 2020. "Cloud regimes over the Amazon Basin: perspectives from the GoAmazon2014/5 campaign." Atmospheric Chemistry and Physics, 20(12), 10.5194/acp-20-7489-2020.

Naud C, J Booth, K Lamer, R Marchand, A Protat, and G McFarquhar. 2020. "On The Relationship Between The Marine Cold Air Outbreak M Parameter And Low‐Level Cloud Heights In The Midlatitudes." Journal of Geophysical Research: Atmospheres, 125(13), e2020JD032465, 10.1029/2020JD032465.
Research Highlight


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