Alert archive / Indiana / Flash Flood Warnings in 2026

Flash Flood Warning 56, NWS Wilmington, OH

August 12, 2026Fayette County, Franklin County, Wayne County, Indiana

NWS Wilmington, OH issued this flash flood warning at Aug 12, 2026, 3:09 AM EDT for Fayette County, Franklin County, Wayne County, Indiana. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 12, 2026, 3:09 AM EDT (07:09 UTC)
Expired: Aug 12, 2026, 12:15 PM EDT
In force: 9 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Fayette County, IN, Franklin County, IN, Wayne County, IN

The radar

The Indianapolis radar (KIND), 103 km from the middle of the area, began a volume at 07:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.2 hours before the alert went out and 112 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 12 J/kg
Mixed-layer CIN: -355 J/kg
Mixed-layer LCL: 997 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at Aug 12, 2:00 AM EDT, 1 hour 9 minutes earlier.

Area forecast discussion, Aug 12, 2:00 AM EDT, 1 hour 9 minutes before

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Hazardous weather outlook, Aug 12, 2:11 AM EDT, 58 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
211 AM EDT Wed Aug 12 2026

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ042-051-053-060>063-
070>073-077>082-088-130615-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland-
Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken-
Robertson-Mason-Lewis-Darke-Miami-Clark-Preble-Montgomery-Greene-
Butler-Warren-Clinton-Ross-Hamilton-Clermont-Brown-Highland-Adams-
Pike-Scioto-
211 AM EDT Wed Aug 12 2026

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

This Hazardous Weather Outlook is for east central Indiana,
southeast Indiana, northeast Kentucky, northern Kentucky, central
Ohio, south central Ohio, southwest Ohio and west central Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

Additionally, several rounds of thunderstorms are expected this
morning through the afternoon. A line of storms could bring an
elevated chance for damaging winds this afternoon.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorm chances continue into Thursday. A few strong to severe
storms are possible along with locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ026-034-035-043>046-052-054>056-064-065-074-130615-
Hardin-Mercer-Auglaize-Shelby-Logan-Union-Delaware-Champaign-Madison-
Franklin-Licking-Pickaway-Fairfield-Hocking-
211 AM EDT Wed Aug 12 2026

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

This Hazardous Weather Outlook is for central Ohio and west central
Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 11, 11:10 PM EDT, 3 hours 59 minutes before

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Local storm report, Aug 11, 11:16 PM EDT, 3 hours 53 minutes before

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Local storm report, Aug 11, 11:38 PM EDT, 3 hours 31 minutes before

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Local storm report, Aug 12, 12:46 AM EDT, 2 hours 23 minutes before

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Local storm report, Aug 12, 12:46 AM EDT, 2 hours 23 minutes before

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Local storm report, Aug 12, 1:15 AM EDT, 1 hour 54 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 7:21 AM EDT	River Flood Advisory	ILN	Hamilton	2 hr
Aug 12, 8:07 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer, Shelby	22 min
Aug 12, 8:10 AM EDT	Areal Flood Advisory	ILN	Auglaize, Darke, Mercer, Miami, Preble, Shelby	6 hr
Aug 12, 8:50 AM EDT	Flash Flood Warning	ILN	Darke, Preble	3 hr
Aug 12, 9:09 AM EDT	Special Weather Statement	ILN	Auglaize, Logan	36 min
Aug 12, 9:41 AM EDT	Special Weather Statement	ILN	Hardin	34 min
Aug 12, 9:47 AM EDT	River Flood Warning	ILN	Hamilton	50 hr
Aug 12, 10:20 AM EDT	Flash Flood Warning	ILN	Butler	2 hr
Aug 12, 11:30 AM EDT	Areal Flood Warning	ILN	Butler, Darke, Montgomery, Preble	3 hr
Aug 12, 12:29 PM EDT	Areal Flood Warning	ILN	Butler, Hamilton, Preble, Warren	3 hr
Aug 12, 2:01 PM EDT	River Flood Warning	ILN	Hamilton	6 hr
Aug 12, 2:07 PM EDT	Areal Flood Warning	ILN	Auglaize, Butler, Darke, Mercer, Miami, Montgomery and 3 more	4 hr
Aug 12, 2:13 PM EDT	Areal Flood Warning	ILN	Butler, Hamilton	5 hr
Aug 12, 3:25 PM EDT	Special Weather Statement	ILN	Butler, Hamilton	50 min
Aug 12, 3:48 PM EDT	Severe Thunderstorm Warning	ILN	Clermont, Hamilton	42 min
Aug 12, 4:30 AM EDT	Flash Flood Warning	ILN	Carroll, Gallatin	8 hr
Aug 12, 5:12 AM EDT	Areal Flood Advisory	ILN	Grant, Owen	3 hr
Aug 12, 5:29 AM EDT	Flash Flood Warning	ILN	Owen	6 hr
Aug 12, 11:04 AM EDT	Areal Flood Warning	ILN	Gallatin, Owen	2 hr
Aug 12, 4:25 PM EDT	Special Weather Statement	ILN	Campbell, Grant, Kenton	50 min
Aug 12, 4:53 PM EDT	Special Weather Statement	ILN	Bracken, Mason, Pendleton, Robertson	52 min
Aug 12, 2:04 AM EDT	Areal Flood Advisory	ILN	Fayette, Franklin, Wayne	50 min
Aug 12, 2:21 AM EDT	Areal Flood Advisory	ILN	Ripley	63 min
Aug 12, 2:54 AM EDT	Flash Flood Warning	ILN	Fayette, Franklin, Wayne	3 hr
Aug 12, 3:19 AM EDT	Flash Flood Warning	ILN	Franklin, Ripley	3 hr
Aug 12, 3:24 AM EDT	Flash Flood Warning	ILN	Ripley, Switzerland	3 hr
Aug 12, 4:05 AM EDT	Flash Flood Warning Considerable damage threat	ILN	Franklin, Ripley	15 hr
Aug 12, 4:09 AM EDT	Areal Flood Advisory	ILN	Fayette, Union, Wayne	2 hr
Aug 12, 5:04 AM EDT	Flash Flood Warning	ILN	Fayette, Union, Wayne	3 hr
Aug 12, 6:05 AM EDT	Areal Flood Advisory	ILN	Union, Wayne	3 hr
Aug 12, 6:22 AM EDT	Flash Flood Warning EmergencyConsiderable damage threat	ILN	Fayette, Union, Wayne	6 hr
Aug 12, 7:20 AM EDT	River Flood Warning	ILN	Fayette, Franklin	46 hr
Aug 12, 7:20 AM EDT	River Flood Warning	ILN	Union, Wayne	23 hr
Aug 12, 11:14 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	ILN	Fayette, Franklin, Wayne	8 hr
Aug 12, 12:10 PM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	ILN	Fayette, Union, Wayne	7 hr
Aug 12, 2:34 PM EDT	Special Weather Statement	ILN	Dearborn, Fayette, Franklin, Ripley, Union	41 min
Aug 12, 2:56 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Franklin, Ripley	34 min
Aug 12, 6:54 PM EDT	Flash Flood Warning Considerable damage threat	ILN	Wayne	3 hr
Aug 12, 7:00 PM EDT	Areal Flood Warning	ILN	Fayette, Franklin, Union	18 hr
Aug 12, 7:06 PM EDT	Areal Flood Warning	ILN	Dearborn, Franklin, Ripley, Switzerland	18 hr

Nearby

Flash Flood Warnings in Indiana, 2026 Every flash flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.