{"icao":"KYIP","name":"Willow Run Airport","lat":42.2379,"lon":-83.5304,"country":"US","tz":"America/Detroit","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":55,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","February"],"monthlyHours":[13,8,3,2,2,1,1,2,6,6,5,8],"medianEventHours":2,"season":{"summary":"Fog season runs September through February, peaking in January; fog is mostly a 1 AM\u20139 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","September","October","November","December"],"timeOfDay":"1 AM\u20139 AM","typicallyClearsBy":"1 PM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":13,"peakAtLocal":"2026-09-05T06:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 13%. September typically brings about 6 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kyip/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KYIP","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KYIP.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}