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Application of FY-2C Cloud Drift Winds in a Mesoscale Numerical Model |
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| Authors: | LI Huahong WANG Man XUE Jishan QI Minghui |
| Affiliation: | LI Huahong~(1,2 ),WANG Man~3,XUE Jishan~4,and QI Minghui~2 1 Department of Atmospheric Sciencs,Yunnan University,Kunming 650091 2 Meteorological Observatory of Yunnan Province,Kunming 650034 3 Yunnan Institute of Meteorology,Kunming 650034 4 State Key Laboratory of Severe Weather,Chinese Academy of Meteorological Sciences,Beijing 100081 |
| Abstract: | Statistical tests and error analysis of cloud drift winds(CDWs) from the FY-2C satellite were made by using radiosonde observations.According to the error characteristics of the CDW,a bias correction using the thermal wind theory was applied in the data quality control.The CDW data were then assimilated into the GRAPES-meso model via the GRAPES-3DVar.A torrential rain event that occurred in northwestern China during 1-2 July 2005 was simulated.The results indicate that the CDW data were mainly distributed a... |
| Keywords: | cloud drift wind(CDW) quality control variational data assimilation torrential rain forecast |
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