Towards the next generation operational meteorological radar

This article summarizes research and risk reduction that will inform acquisition decisions regarding NOAA's future national operational weather radar network. A key alternative being evaluated is polarimetric phased-array radar (PAR). Research indicates PAR can plausibly achieve fast, adaptive volumetric scanning, with associated benefits for severe-weather warning performance. We assess these benefits using storm observations and analyses, observing system simulation experiments, and real radar-data assimilation studies. Changes in the number and/or locations of radars in the future network could improve coverage at low altitude. Analysis of benefits that might be so realized indicates the possibility for additional improvement in severe-weather and flash-flood warning performance, with associated reduction in casualties. Simulations are used to evaluate techniques for rapid volumetric scanning and assess data quality characteristics of PAR. Finally, we describe progress in developing methods to compensate for polarimetric variable estimate biases introduced by electronic beam-steering. A research-to-operations (R2O) strategy for the PAR alternative for the WSR-88D replacement network is presented.

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Author Weber, M.
Hondl, K.
Yussouf, N.
Jung, Y.
Stratman, D.
Putnam, B.
Wang, X.
Schuur, T.
Kuster, C.
Wen, Y.
Sun, Juanzhen
Keeler, Jeremy
Ying, Zhuming
Cho, J.
Kurdzo, J.
Torres, S.
Curtis, C.
Schvartzman, D.
Boettcher, J.
Nai, F.
Thomas, H.
Zrnić, D.
Ivić, I.
Mirković, D.
Fulton, C.
Salazar, J.
Zhang, G.
Palmer, R.
Yeary, M.
Cooley, K.
Istok, M.
Vincent, M.
Publisher UCAR/NCAR - Library
Publication Date 2021-07-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2025-07-11T16:14:19.312885
Metadata Record Identifier edu.ucar.opensky::articles:24618
Metadata Language eng; USA
Suggested Citation Weber, M., Hondl, K., Yussouf, N., Jung, Y., Stratman, D., Putnam, B., Wang, X., Schuur, T., Kuster, C., Wen, Y., Sun, Juanzhen, Keeler, Jeremy, Ying, Zhuming, Cho, J., Kurdzo, J., Torres, S., Curtis, C., Schvartzman, D., Boettcher, J., Nai, F., Thomas, H., Zrnić, D., Ivić, I., Mirković, D., Fulton, C., Salazar, J., Zhang, G., Palmer, R., Yeary, M., Cooley, K., Istok, M., Vincent, M.. (2021). Towards the next generation operational meteorological radar. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d76113rt. Accessed 03 December 2025.

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