World Meteorological Organization

Tables extracted from the Manual on Codes, Volume I.2

2 May 2012

NOTES:
(1)      The latest versions 9 (GRIB edition 2) and 18 (BUFR and CREX) are effective as from 2 May 2012.
          The version number may consist of three parts: formal version number (for operational updates).sub-1 (for pre-
          operational updates).sub-2 (others).

(2)      Tables and templates (doc, pdf) in the "Latest" column may contain operational and pre-operational (in Italic)
          entries, both of which could be used in operational data and products.

(3)      Entries under validation and validation complete but waiting for effective date, i.e. non-operational entries, are
          available separately in the non-operational column (doc, pdf). Please check them when drafting amendments
          to relevant tables and do not use them in operational data and products, noting that validation entries may be
          modified during validation process.

(4)      The txt/xml (zip) files in the "Latest" column contain operational and pre-operational entries of GRIB, BUFR, CREX
          and Common Code tables. These could be incorporated in operational encoders/decoders of GRIB, BUFR and
          CREX.

(5)      The text/xml (zip) files in the non-operational column contain operational, pre-operational and non-operational
          entries, which are specifically made for validation purposes and may assist checking integrity of proposals.

(6)      The following previous versions are also available from here along with the next version, when approved.

(7)      BUFR version 13 and CREX version 5 have backward compatibility.

(8)      If there are inconsistencies between the same entries available below and the Manual on Codes, Volume I.2
          (WMO-No. 306), the Manual prevails.