Data is supplied by ECMWF subject to the following conditions:

1. The supplied data will not be transmitted in whole or in part to any third party without the authorization of ECMWF.
2. Articles, papers, or written scientific works of any form, based in whole or in part on data supplied by ECMWF, will contain an acknowledgement concerning the supplied data.
3. Access to the data is restricted to the scientists within the organisation of the data recipient working on the same computer installation.
4. The recipient of the data will accept responsibility for informing all data users of these conditions.
5. Data will not be provided to commercial organisations, nor will it be put to commercial use within the organisation of the recipient.
6. Data or plots of data will not be posted on the World Wide Web.