3.6 Purdue-UMass Mobile Radar Observations Collected during VORTEX-Southeast 2016

Monday, 7 November 2016: 2:45 PM
Pavilion Ballroom (Hilton Portland )
Robin Tanamachi, Purdue Univ., West Lafayette, IN; and S. J. Frasier, W. Heberling, J. Waldinger, M. Seedorf, and J. Bozell

Throughout March and April 2016, two mobile radar systems from the University of Massachusetts (UMass) were used to collect observations of the atmosphere over the VORTEX-Southeast Huntsville, Alabama, domain. The first, an S-band, FMCW profiling radar (UMass FMCW) was deployed near Belle Mina, Alabama. UMass FMCW collected close to eight weeks' worth of near-continuous boundary layer profiles of reflectivity from particles and refractive index turbulence, vertical velocity profiles, and associated Doppler spectra, at a vertical (temporal) resolution of 5 m (1 s) up to 5 km AGL. Comprehensive observations were obtained of convective boundary layer evolution, multiple frontal passages, melting layer evolution, bioscatterer activity, and at least one atmospheric undular bore. The second mobile radar, the UMass, X-band, polarimetric, mobile Doppler radar, was deployed at preselected sites during six VORTEX-Southeast Intensive Observing Periods (IOPs). Polarimetric, volumetric observations were obtained of convective storms, including at least two that went on to produce tornadoes within the VORTEX-Southeast domain. Challenges related to deployment of mobile radars in complex terrain will be addressed.
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