{"icao":"KTIW","name":"Tacoma Narrows Airport","lat":47.2674,"lon":-122.5773,"country":"US","tz":"America/Los_Angeles","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":114,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","October"],"monthlyHours":[29,8,6,1,3,1,1,2,5,21,20,20],"medianEventHours":2,"season":{"summary":"Fog season runs October through February, peaking in January; fog is mostly a 3 AM\u20139 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","October","November","December"],"timeOfDay":"3 AM\u20139 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":4,"peakAtLocal":"2026-09-05T08:00:00-07:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 4%. September typically brings about 5 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/ktiw/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KTIW","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KTIW.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}