{"icao":"UDSG","name":"Shirak International Airport","lat":40.7504,"lon":43.8593,"country":"AM","tz":"Asia/Yerevan","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":94,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","December"],"monthlyHours":[34,13,3,1,0,0,0,0,0,1,8,34],"medianEventHours":2,"season":{"summary":"Fog season runs December through February, peaking in January; fog is mostly a 2 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","December"],"timeOfDay":"2 AM\u201311 AM","typicallyClearsBy":"1 PM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in September (10-year average)."},"links":{"page":"https://fogatlas.org/fog/udsg/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=UDSG","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/UDSG.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}