{"icao":"LFSN","name":"Nancy-Essey Airport","lat":48.6921,"lon":6.2305,"country":"FR","tz":"Europe/Paris","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":130,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["November","October"],"monthlyHours":[12,12,7,4,3,2,0,1,8,25,35,25],"medianEventHours":2,"season":{"summary":"Fog season runs October through February, peaking in November; fog is mostly a 1 AM\u201311 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","October","November","December"],"timeOfDay":"1 AM\u201311 AM","typicallyClearsBy":"1 PM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 8 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/lfsn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=LFSN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/LFSN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}