Abstract: The evolution of the NMC global data assimilation system in the period 1978?81 is presented. The improvements include revisions to the analysis programs and the replacement of the initialization and the prediction model. ...

Abstract: Early results are presented of an experimental program in Dynamical Extended Range Forecasting at the National Meteorological Center. The primary objective of this program is to assess the feasibility of extending operational ...

Abstract: No Abstract Available

Abstract: The NCEP Climate Forecast System Reanalysis (CFSR) was completed for the 31-yr period from 1979 to 2009, in January 2010. The CFSR was designed and executed as a global, high-resolution coupled atmosphere?ocean?land ...