{"icao":"KOWD","name":"Norwood Memorial Airport","lat":42.1905,"lon":-71.1729,"country":"US","tz":"America/New_York","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":92,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","October"],"monthlyHours":[4,5,5,4,4,8,9,13,15,15,4,7],"medianEventHours":1,"season":{"summary":"Fog season is year-round, peaking in September; fog is mostly a midnight\u20135 AM phenomenon; typically thinning out by 7 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","June","July","August","September","October","November","December"],"timeOfDay":"midnight\u20135 AM","typicallyClearsBy":"7 AM"}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. September typically brings about 15 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kowd/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KOWD","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KOWD.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}