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Assimilation of extrapolated radar reflectivity into a NWP model and its impact on a precipitation forecast at high resolution
- 1.0361648 - ÚFA 2012 RIV NL eng J - Journal Article
Sokol, Zbyněk
Assimilation of extrapolated radar reflectivity into a NWP model and its impact on a precipitation forecast at high resolution.
Atmospheric Research. Roč. 100, 2-3 (2011), s. 201-212. ISSN 0169-8095. E-ISSN 1873-2895
R&D Projects: GA ČR GA205/07/0905; GA MŠMT ME09033
Institutional research plan: CEZ:AV0Z30420517
Keywords : Precipitation forecast * Nowcasting * Assimilation of radar reflectivity * Numerical weather prediction * Convective storms
Subject RIV: DG - Athmosphere Sciences, Meteorology
Impact factor: 1.911, year: 2011
http://www.sciencedirect.com/science/article/pii/S0169809510002462
The COSMO NWP model, with a horizontal resolution of 2.8 km, is applied, and radar reflectivity data are assimilated using a water vapour correction method. Two model runs are compared: the first run assimilates observed radar reflectivity, and the second run assimilates observed and extrapolated radar reflectivity. The results of the comparisons indicate that the assimilation of extrapolated radar reflectivity in most cases improves the accuracy of precipitation forecasts for the second and third lead hours.
Permanent Link: http://hdl.handle.net/11104/0198914
Number of the records: 1