{"icao":"KMRB","name":"Eastern WV Regional Airport/Shepherd Field","lat":39.4019,"lon":-77.9846,"country":"US","tz":"America/New_York","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":70,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","December"],"monthlyHours":[11,6,6,1,7,2,4,6,6,6,5,9],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, May, July, August, September, October, November, December, peaking in January; fog is mostly a 2 AM\u20138 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","May","July","August","September","October","November","December"],"timeOfDay":"2 AM\u20138 AM","typicallyClearsBy":"9 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":8,"peakAtLocal":"2026-09-05T07:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 8%. September typically brings about 6 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kmrb/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KMRB","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KMRB.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}