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An update on the multi-channel phased array Weather Radar at the National Weather Radar Testbed

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11 Author(s)
Yeary, M. ; Atmos. Radar Res. Center, Univ. of Oklahoma, Norman, OK, USA ; Crain, G. ; Zahrai, A. ; Kelley, R.
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The first phased array radar dedicated to weather observation and analysis is now instrumented with eight, simultaneous digital receivers. The multi-channel receiver will collect signals from the sum, azimuth-difference, elevation difference, and five broad-beamed auxiliary channels. The multi-channel receiver will allow the direct implementation of interferometry techniques to estimate crossbeam wind, shear and turbulence within a radar resolution volume. Access to the auxiliary channels will enable clutter mitigation and advanced array processing for high data quality with short dwell times. Potential benefits of high quality and high resolution data together with angular shear and turbulence include better understanding of storm dynamics and convective initiation, as well as better detection of small-scale phenomena including tornado and microbursts, ultimately leading to increased lead time for warnings, and improved weather prediction. This paper will describe the system concept, system installation and early results from fielded weather data returns.

Published in:

Radar Conference (RADAR), 2011 IEEE

Date of Conference:

23-27 May 2011