Articles | Volume 9, issue 7
https://doi.org/10.5194/amt-9-3145-2016
https://doi.org/10.5194/amt-9-3145-2016
Research article
 | 
20 Jul 2016
Research article |  | 20 Jul 2016

4-D-VAR assimilation of disdrometer data and radar spectral reflectivities for raindrop size distribution and vertical wind retrievals

François Mercier, Aymeric Chazottes, Laurent Barthès, and Cécile Mallet

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Short summary
The aim of this study is to retrieve vertical profiles of raindrop size distributions and vertical winds from radar and ground measurements. This is crucial to understand the phenomena acting on the raindrops at small scale during their fall and then to be able to merge measurements of rain at different heights and scales (from radar, rain gauges, satellites etc.). It could also help to improve the treatment of radar data and to better parameterize rain in numerical weather prediction models.