{"city":"Vaasa","region":"FI-12","country":"FI","slug":"vaasa","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"EFVA","name":"Vaasa Airport","subCat1HoursPerYear":135,"forecast":"climatology"}],"primaryStation":"EFVA","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 11 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":135,"fogSeasonPeakMonths":["September","December"],"medianEventHours":1,"season":{"summary":"Fog season runs June through April, peaking in September; fog is mostly a midnight\u20139 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","June","July","August","September","October","November","December"],"timeOfDay":"midnight\u20139 AM","typicallyClearsBy":"noon"}},"links":{"page":"https://fogatlas.org/fog/city/vaasa/","stationPages":["https://fogatlas.org/fog/efva/"],"verification":"https://fogatlas.org/fog/scorecard/"}}