TY - JOUR A1 - Mazzarella, V. A1 - Ferretti, R. A1 - Picciotti, E. A1 - Marzano, F. S. T1 - Investigating 3D and 4D Variational Rapid-Update-Cycling Assimilation of Weather Radar Reflectivity for a Flash Flood Event in Central Italy JO - Nat. Hazards Earth Syst. Sci. Discuss. J1 - NHESSD VL - 2021 SP - 1 EP - 26 Y1 - 2021/01/06 PB - Copernicus Publications SN - 2195-9269 UR - https://nhess.copernicus.org/preprints/nhess-2020-406/ L1 - https://nhess.copernicus.org/preprints/nhess-2020-406/nhess-2020-406.pdf DO - 10.5194/nhess-2020-406 ER -