Verification And Intercomparison Of CAMS Cloud Microphysics Scheme And NCEP Microphysics Scheme In GRAPES_Meso

A lot of researches indicate that it is very important for the cloudy microphysical process to describe and show the precipitation process. This paper investigates the effects of CMAS explicit microphysics scheme, NCEP3-class microphysics scheme and NCEP5-class microphysics scheme in GRAPES_Meso on forecasting of precipitation and cloud micro and macro properties by using the rainfall information measured from surface-based observing station, column cloud water, the temperature of cloud top retrieved from modis satellite, and vertical distribution of cloud liquid/ice water retrieved from cloudsat satellite.The average column cloud water predicted by NCEP5-class microphysics scheme are much more than that monitored by MODIS satellite because the proportion of column cloud water greater than 1000 g /m 2 predicted by NCEP5-class microphysics scheme are large. The result NCEP3-class microphysics scheme is far different from the result of MODIS satellite monitoring. The average column cloud water predicted by NCEP3-class microphysics scheme are much less than that observed by MODIS satellite. The column cloud water between 1 and 10 g /m 2 make up a lager percentage, while the proportion of column cloud water over 10 g /m 2 are very small. The column cloud water forecasted by CAMS microphysics scheme are similar to the result of MODIS satellite monitoring. The three schemes predict the less 1-10 g /m 2 column cloud water than that retrieved by MODIS satellite. The result of CAMS scheme is better than that of the other schemes, which indicate that the CAMS scheme has advantages in predicting partly cloud and thin cloud. The column cloud water predicted by the CAMS microphysics scheme are closer with the result of MODIS satellite monitoring in spring, autumn, and winter than that in summer. The average cloud top temperature forecated by the three schemes have little difference with that retrieved by MODIS satellite. The cloud top temperature which predicted by NCEP3-class microphysics scheme are lower than that of MODIS satellite monitoring in spring and summer, while the temperature of cloud top are more high than that retrieved by MODIS satellite in autumn and winter.The ice water content predicted by the three schemes are less than that of Cloudsat satellite monitoring in autumn and winter, while ice water content predicted by the three schemes are more than that of Cloudsat satellite monitoring in spring and summer in varying degrees. The result of CAMS scheme is the most similar to the result of Cloudsat satellite monitoring, and the result of NCEP3-class scheme is far different form the result of Cloudsat satellite monitoring. The cloud water content predicted by NCEP5-class scheme are much more than that retrieved by Cloudsat satellite, especially the cloud water above the layer of 0℃. The cloud water content predicted by NCEP3-class scheme are less than that of Cloudsat satellite monitoring. The cloud water content predicted by CAMS scheme are close to that of Cloudsat satellite monitoring.