{"icao":"KNMM","name":"Naval Air Station Meridian / McCain Field","lat":32.5531,"lon":-88.5541,"country":"US","tz":"America/Chicago","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":50,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","November"],"monthlyHours":[4,5,4,3,5,1,3,5,4,3,6,8],"medianEventHours":1,"season":{"summary":"Fog season runs July through May, peaking in December; fog is mostly a 5 AM\u20137 AM phenomenon; typically thinning out by 8 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","July","August","September","October","November","December"],"timeOfDay":"5 AM\u20137 AM","typicallyClearsBy":"8 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":4,"peakAtLocal":"2026-09-05T06:00:00-05:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 4%. September typically brings about 4 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/knmm/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KNMM","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KNMM.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}