METAR/SPECI and AWIS cloud heights may be lower than reported.

F1509/26

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WxMeteorological Equipment

2026-04-21 03:50 - 2026-05-29 00:00

Duration:2 months

Period of Applicability

2026-04-21 03:50 - 2026-05-29 00:00

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Interpretation

METAR/SPECI and aerodrome weather information service cloud height reporting is offset, with actual cloud bases potentially up to 100 ft lower than reported.

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Raw NOTAM

F1509/26 NOTAMN
Q) YMMM/QFMLT/IV/BO/A/000/999/3740S14451E005
A) YMML
B) 2604210350 C) 2605290000 EST
E) METAR/SPECI AND AD WX INFO SERVICE (AWIS) CLOUD HEIGHT DATA OFFSET
CLOUD HEIGHTS UP TO 100 FT LOWER THAN REPORTED

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