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NCEP Home > NCEP Central Operations > Production Management Branch > Restricted Data Information Site

Restricted Data Information Site


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What is restricted data?

As more and more sources of input data become available for use in numerical modeling and research at NCEP, there are certain situations where a data provider, in return for access to and use of their data, may place restrictions on the circumstances under which such data may be redistributed to persons outside of the community of NCEP Central Computer System (CCS) users. Any data that is prohibited from being fully and freely redistributable to the general public is considered to be restricted. NCEP is required to honor all restrictions placed on the data we receive from any provider. Each type of restricted data has its own unique set of requirements, which are explained in further detail below. In general however, whenever any data is restricted, the restriction remains in force regardless of any reformatting, rearrangement, or method of presentation of the data. For example, restricted data cannot be graphically plotted on a web page that is accessible to the general public. Likewise, quality-controlled data values that are directly derived from restricted data are themselves also subject to the same restriction(s) as the original data.


Which types of data are restricted?

There are currently five data types that are restricted. For complete details regarding each type, including the specific nature of the inherent restrictions as well as any special requirements, click the appropriate link:


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Page last modified: Thursday, 06-Dec-2007 22:21:01 GMT