Articles | Volume 19, issue 4
Nat. Hazards Earth Syst. Sci., 19, 907–926, 2019
https://doi.org/10.5194/nhess-19-907-2019

Special issue: Hydrological cycle in the Mediterranean (ACP/AMT/GMD/HESS/NHESS/OS...

Nat. Hazards Earth Syst. Sci., 19, 907–926, 2019
https://doi.org/10.5194/nhess-19-907-2019
Research article
18 Apr 2019
Research article | 18 Apr 2019

Impact of airborne cloud radar reflectivity data assimilation on kilometre-scale numerical weather prediction analyses and forecasts of heavy precipitation events

Mary Borderies et al.

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Short summary
The potential of W-band radar reflectivity to improve the quality of analyses and forecasts of heavy precipitation events in the Mediterranean area is investigated. The 1D + 3DVar assimilation method has been adapted to assimilate the W-band reflectivity in the Météo-France kilometre-scale NWP model AROME. The results suggest that the joint assimilation of W-band reflectivity and horizontal wind profiles lead to a slight improvement of moisture analyses and rainfall precipitation forecasts.
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