{"icao":"ENVA","name":"Trondheim Airport; V\u00e6rnes","lat":63.4578,"lon":10.924,"country":"NO","tz":"Europe/Oslo","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":27,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["November","September"],"monthlyHours":[4,3,2,0,1,1,0,2,4,1,5,4],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, August, September, November, December, peaking in November; fog is mostly a midnight\u20138 AM phenomenon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","August","September","November","December"],"timeOfDay":"midnight\u20138 AM","typicallyClearsBy":null}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 4 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/enva/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ENVA","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ENVA.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}