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Change Management for Manuals

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Status	closed
Manual	Manual on Codes Vol I.3
OPAG	ISS
Committee	IPET-DD
Proposal identifier	MM25
Stage Reached
Procedure	Undecided
Description	Annex 3 Amendment 77 is expected to prohibit reporting of more than one precipitation type in the recent precipitation group of recent weather. This means that REaabb is not permitted where both aa and bb represent precipitation types. This has to be reflected in IWXXM. (Impacts METAR and SPECI)
Proposer	ICAO
Target Release
Associated proposals	This is linked to the similar change in METAR and SPECI.
Documents
Email	sforeman at wmo.int
Name	Steve Foreman
Lead expert
Change Type	Detail
LastModif	Saturday 14 of October, 2017 08:30:47 CEST