The NCEP Climate Forecast System (CFS), the fully coupled ocean–land–atmosphere dynamical seasonal prediction system became operational at NCEP in August 2004. The second version CFSv2 with significant upgrades in data assimilation and forecast model components was operationally implemented at NCEP in March 2011. To obtain consistent and stable calibrations, as well as skill estimates for the operational subseasonal and seasonal predictions at NCEP, a coupled reanalysis over a 32-year period (1979–2010) and a comprehensive reforecast over 29 years (1982–2010) were also made. See the following references for further information.
Saha, S., and Coauthors, 2006: The NCEP Climate Forecast System. J. Climate, 19, 3483–3517.
Saha, S., and Coauthors, 2014: The NCEP Climate Forecast System Version 2. J. Climate, 27, 2185–2208.
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