AtmostormCounty briefing
Fairfield County, OH
Severe-weather activation briefing
Generated 2026-09-20T11:22:51.602013+00:00
3 active warnings
In the warned path — county-wide (estimate)
~0 residents
Active warnings (3)
1. Flood Warninguntil 2026-09-20T19:00:00+00:00
Flood Warning issued September 20 at 2:54AM EDT until September 21 at 7:00AM EDT by NWS Wilmington OH
In path: ~0 residents.
2. Flash Flood Warninguntil 2026-09-20T13:00:00+00:00
Flash Flood Warning issued September 20 at 2:48AM EDT until September 20 at 9:00AM EDT by NWS Wilmington OH
In path: ~0 residents.
3. Flood Advisoryuntil 2026-09-20T13:30:00+00:00
Flood Advisory issued September 20 at 5:48AM EDT until September 20 at 9:30AM EDT by NWS Wilmington OH
In path: ~0 residents.
County exposure (baseline)
Fairfield County, OH has an estimated 171,362 residents, including 11 nursing homes, 4 mobile-home parks, 3 dialysis centers, 2 hospitals and 48 schools. This is the denominator behind “in the warned path”.