National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Validation of the cloud and precipitation microphysics scheme in the numerical weather prediction model ALADIN
Němec, David ; Žák, Michal (advisor) ; Huszár, Peter (referee)
This thesis aims to validate the microphysics scheme in the numerical weather predic- tion model ALADIN. The first part is focused on the parameterization of hydrometeors and microphysical processes in various microphysics schemes used in current numeri- cal weather prediction models. The microphysics scheme used in ALADIN is discussed in detail, together with its parameterizations associated with the microphysics scheme. The main part of the thesis deals with an improved parameterization of graupel and improvements in the microphysical processes of all precipitating hydrometeors in the microphysics scheme in ALADIN. Alternative approaches to the parameterization of au- toconversion and evaporation are tested. Results are validated using various objective statistical methods and compared with precipitation estimates based on a combination of data from gauges and radars. 1

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