{"icao":"UBBB","name":"Heydar Aliyev International Airport","lat":40.4728,"lon":50.0509,"country":"AZ","tz":"Asia/Baku","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":80,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["March","February"],"monthlyHours":[13,13,23,6,3,0,0,0,2,5,9,4],"medianEventHours":2,"season":{"summary":"Fog season is January, February, March, April, November, peaking in March; fog is mostly a 1 AM\u20138 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","November"],"timeOfDay":"1 AM\u20138 AM","typicallyClearsBy":"9 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 2 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/ubbb/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=UBBB","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/UBBB.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}