Reanalysis Data Sources Sources of Reanalysis Data Current Sources of Data One source of data are the annual Reanalysis CD-ROMs . These CD-ROMs are available from NCAR . Monthly and daily averages for selected fields are available on the Internet. This data set should be updated by the 5th of the month for the previous month.
Outside users can obtain tapes for a fee.
They are equipped to handle data distribution and are able to answer some questions. Some datasets are freely available over the internet. They have been providing outside users with GRIB and NetCDF data on exabyte tapes. They have been very active in screening the data and providing feedback. In addition, they have a large subset of the data online, have software to read NetCDF and are able to answer some questions.