Articles | Volume 19, issue 8
https://doi.org/10.5194/nhess-19-1839-2019
https://doi.org/10.5194/nhess-19-1839-2019
Research article
 | 
23 Aug 2019
Research article |  | 23 Aug 2019

The impact of lightning and radar reflectivity factor data assimilation on the very short-term rainfall forecasts of RAMS@ISAC: application to two case studies in Italy

Stefano Federico, Rosa Claudia Torcasio, Elenio Avolio, Olivier Caumont, Mario Montopoli, Luca Baldini, Gianfranco Vulpiani, and Stefano Dietrich

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Cited articles

Alexander, G. D., Weinman, J. A., Karyampoudi, V. M., Olson, W. S., and Lee, A. C. L.: The effect of assimilating rain rates derived from satellites and lightning on forecasts of the 1993 superstorm, Mon. Weather Rev., 127, 1433–1457, 1999. 
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Short summary
This study shows the possibility to improve the weather forecast at the very short range (0–3 h) using lightning and/or radar reflectivity observations. We consider two challenging events that occurred over Italy, named Serrano and Livorno, characterized by moderate and exceptional rainfall, respectively. The improvement given to the forecast by using the lightning and/or radar reflectivity observations is considerable. The best performance is obtained when using both data.
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