{"icao":"UWLW","name":"Ulyanovsk Vostochny Airport","lat":54.401,"lon":48.8027,"country":"RU","tz":"Europe/Ulyanovsk","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":67,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["March","February"],"monthlyHours":[8,11,14,7,0,0,0,1,1,4,10,10],"medianEventHours":2,"season":{"summary":"Fog season runs October through April, peaking in March; fog is mostly a 11 PM\u20139 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","October","November","December"],"timeOfDay":"11 PM\u20139 AM","typicallyClearsBy":"noon"}},"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/uwlw/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=UWLW","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/UWLW.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}