{"icao":"ETNN","name":"N\u00f6rvenich Air Base","lat":50.8312,"lon":6.6582,"country":"DE","tz":"Europe/Berlin","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":72,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","December"],"monthlyHours":[22,5,3,2,2,1,0,2,1,5,11,16],"medianEventHours":2,"season":{"summary":"Fog season runs November through January, peaking in January; fog here can hit at any hour of the day; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","November","December"],"timeOfDay":"any hour of the day","typicallyClearsBy":null}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 1 hour of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/etnn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ETNN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ETNN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}