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Table of Contents

 Re- forecasts

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.

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  • hdate which corresponds to the actual starting date of the re-forecast
  • date which correspond tot he ModelVersionDate.Since the NCEP re-forecasts are "fixed" re-forecasts this ModelVersiondate is the same for all the re-forecasts and equal to 20110301. This variable will change when a new version of CFS will be implemented.

1 param, 1 date

Retrieving  1 field (10m U wind) for all time steps and for the 1st January 2000

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