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The NCEP re-forecasts dataset is a "fixed" dataset which means that the re-forecasts are produced once from a "frozen" version of the model and are used for a number of years to calibrate real-time forecast. The NCEP re-forecasts consist of a 4-member ensemble run every day from 1st January 1999 to 31 December 2010. Because of the large volume of this re-forecast dataset, the NCEP re-forecasts are archived on a daily basis in the S2S database. Each day, the NCEP re-forecasts corresponding to this day from 1999 to 2010 are archived in the S2S database. This means that the complete NCEP re-forecast database will only be available at the end of 2015.
As for the other models, NCEP re-forecasts are archived in the S2S database with 2 date attributes:
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