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NCEP Home > NCO Home > Systems Integration Branch > Restricted Data Information > WMO Resolution 40 SYNOP Data

WMO Resolution 40 SYNOP Data

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Certain SYNOP (i.e. surface synoptic) reports that are received at NCEP are covered under WMO Resolution 40 as "additional data and products". These reports are therefore restricted, and they are stored in the observational database as BUFR type/subtype b000/xx000, separately from the unrestricted SYNOP reports which are stored as b000/xx001. Both datasets are merged during operational model dumps, and therefore the restricted reports are present in certain model dump files containing the name adpsfc as well as in most PREPBUFR files.

The restriction(s):

  • Restricted SYNOP reports are not to be exported out of the U.S. nor made available to any commercial entity who would use them to create products for sale. This is especially important to the countries who provide NCEP with access to this data, as many of their local meteorological services must recover a portion of their budgets by creating certain products for sale within their own and neighboring countries. Therefore, they understandably do not want this data to become available to private entities who would use it to create competing commercial products for sale within the same market.
  • The restriction does not have an expiration, meaning that all restricted SYNOP reports remain accessible only to the allowable set of recipients for perpetuity.

Obligations of users:

  • Users of this data may redistribute it only to recipients within any U.S. government agency, educational institution, or research group. Before doing so, the user must complete the "inform and acknowledge" procedure with the intended recipient as described on the previous page. A template is provided for this purpose which may be cut-and-pasted into an e-mail from the user to the intended recipient. Once the reply acknowledgement is received from the recipient, the user should then forward a copy of this acknowledgement to ncep.nco.ccsdata@noaa.gov before making the redistribution.
  • If contacted by a representative of a foreign organization regarding access to such data, the user should refer the individual to the national meteorological service within his/her own country for assistance.


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Page last modified: Thursday, 18-May-2006 22:07:33 UTC