Articles | Volume 2, issue 3
https://doi.org/10.5194/wcd-2-561-2021
https://doi.org/10.5194/wcd-2-561-2021
Research article
 | 
08 Jul 2021
Research article |  | 08 Jul 2021

The impact of GPS and high-resolution radiosonde nudging on the simulation of heavy precipitation during HyMeX IOP6

Alberto Caldas-Alvarez, Samiro Khodayar, and Peter Knippertz

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Short summary
The prediction capabilities of GPS, operational (low-resolution) and targeted (high-resolution) radiosondes for data assimilation in a Mediterranean heavy precipitation event at different model resolutions are investigated. The results show that even if GPS provides accurate observations, their lack of vertical information hampers the improvement, demonstrating the need for assimilating radiosondes, where the location and timing of release was more determinant than the vertical resolution.