About the Manual on Codes, Volume I.3

Manual on Codes (WMO-No. 306), Volume I.3 - Part D

Annex II to the WMO Technical Regulations

Representations derived from data models consist of the specification of the list of standard representations derived from data models, including those using extensible markup language (XML), with their specifications and associated code tables.

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Download from the WMO library

Manual on Codes (WMO-No. 306), Volume I.3 [2023 edition]

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Amendments

View proposals

FT2025-2 for WIGOS Codes
- Status: DRAFT
FT2025-2 for IWXXM
- Status: DRAFT
FT2025-1
- Status: APPROVED

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This manual includes

FM 205: IWXXM --> Read more about IWXXM
FM 241:WMDR

~ this page was last updated on 21 August 2025 ~