AIP PAC-N guidance for METAR-AUTO, thunderstorm coding and cloud information has been modified.

A1209/25

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Publication Updates

2025-09-04 22:33 - PERM

Period of Applicability

2025-09-04 22:33 - PERM

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Interpretation

AIP PAC-N publication has been modified to update METAR-AUTO parameters, thunderstorm parameter coding (TS) and cloud information (CB, TCU); see AIP GEN 3.5.3 B) and spreadsheet 1 for details.

Message

MODIFICATION OF AIP PAC-N: MODIFICATION PARAMETERS METAR-AUTO, THUNDERSTORM PARAMETER CODING (TS) AND CLOUD INFO (CB, TCU). REF AIP: GEN 3.5.3: B) DIFFERENT INFO OR MISSING, AND SPREADSHEET 1.

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Raw NOTAM

Q) NFFF/QNAXX/IV/NBO/AE/000/999/1419S17804W025
A) NLWF B) 2509042233 C) PERM
E) MODIFICATION OF AIP PAC-N: MODIFICATION PARAMETERS
METAR-AUTO, THUNDERSTORM PARAMETER CODING (TS) AND 
CLOUD INFO (CB, TCU). REF AIP: GEN 3.5.3: B) DIFFERENT INFO 
OR MISSING, AND SPREADSHEET 1.

Issued 28 days ago

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