Alert archive / Ohio / Flash Flood Warnings in 2026

Flash Flood Warning 84, NWS Wilmington, OH

September 10, 20264 counties in Ohio

NWS Wilmington, OH issued this flash flood warning at Sep 10, 2026, 1:28 AM EDT for 4 counties in Ohio. It was in force for 5 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: Sep 10, 2026, 1:28 AM EDT (05:28 UTC)
Expired: Sep 10, 2026, 6:28 AM EDT
In force: 5 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Adams County, OH, Highland County, OH, Pike County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 57 km from the middle of the area, began a volume at 05:30 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, 5.5 hours before the alert went out and 56 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: 2503 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 13.7

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 Sep 10, 1:01 AM EDT, 27 minutes earlier.

Area forecast discussion, Sep 10, 1:01 AM EDT, 27 minutes before

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Hazardous weather outlook, Sep 9, 11:38 PM EDT, 1 hour 50 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
1138 PM EDT Wed Sep 9 2026

INZ050-058-059-OHZ026-034-035-042>046-051>056-060>062-110345-
Wayne-Fayette-Union-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-
Delaware-Miami-Champaign-Clark-Madison-Franklin-Licking-Preble-
Montgomery-Greene-
1138 PM EDT Wed Sep 9 2026

This Hazardous Weather Outlook is for east central Indiana, central
Ohio and west central Ohio.

.DAY ONE...Tonight.

The probability for widespread hazardous weather is low.

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

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ066-073>075-080-KYZ089>100-OHZ063>065-070>074-077>082-088-110345-
Franklin-Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-
Kenton-Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Fayette-Pickaway-Fairfield-Butler-Warren-Clinton-Ross-Hocking-
Hamilton-Clermont-Brown-Highland-Adams-Pike-Scioto-
1138 PM EDT Wed Sep 9 2026

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

.DAY ONE...Tonight.

There is a low probability for widespread hazardous weather.

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

Repeated rounds of storms and locally heavy rainfall are possible
on Thursday, leading to the potential for flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Sep 9, 9:12 PM EDT, 4 hours 16 minutes before

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Special weather statement, Sep 9, 9:39 PM EDT, 3 hours 49 minutes before

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Special weather statement, Sep 9, 10:01 PM EDT, 3 hours 27 minutes before

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Special weather statement, Sep 9, 10:02 PM EDT, 3 hours 26 minutes before

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Special weather statement, Sep 9, 10:31 PM EDT, 2 hours 57 minutes before

Special Weather Statement
National Weather Service Wilmington OH
1031 PM EDT Wed Sep 9 2026

OHZ064-065-073-074-100315-
Fairfield OH-Ross OH-Hocking OH-Pickaway OH-
1031 PM EDT Wed Sep 9 2026

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHWESTERN
FAIRFIELD...HOCKING...SOUTHEASTERN PICKAWAY AND EAST CENTRAL ROSS
COUNTIES THROUGH 1115 PM EDT...

At 1031 PM EDT, a strong thunderstorm was located near Kingston,
moving east at 35 mph.

HAZARD...Wind gusts up to 45 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Logan, Nelsonville, Hocking Hills State Park, Starr, Laurelville,
Murray City, Sugar Grove, Adelphi, Tarlton, Buena Vista in Hocking
County, Ilesboro, Gibisonville, Lake Logan State Park, Haydenville,
South Bloomingville, Enterprise, Union Furnace, Rockbridge, Oreville,
and Carbon Hill.

If outdoors, consider seeking shelter inside a sturdy building.

To report hazardous weather conditions, go to our website at
weather.gov/iln and submit your report via social media, when you can
do so safely.

&&

LAT...LON 3947 8217 3947 8228 3938 8229 3939 8251
      3937 8252 3937 8263 3936 8264 3937 8275
      3933 8275 3934 8283 3960 8280 3964 8238
      3960 8238 3959 8226 3956 8226 3955 8216
TIME...MOT...LOC 0231Z 274DEG 32KT 3947 8282

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...45 MPH

Clark

Local storm report, Sep 9, 11:20 PM EDT, 2 hours 8 minutes before

Preliminary Local Storm Report
National Weather Service Wilmington OH
1120 PM EDT Wed Sep 9 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0812 PM     Tstm Wnd Dmg     Powell                  40.16N 83.08W
09/09/2026                   Delaware           OH   911 Call Center

            Tree down. Time estimated from radar.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 8:11 PM EDT	Special Weather Statement	ILN	Franklin, Licking	49 min
Sep 9, 8:14 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Licking	31 min
Sep 9, 8:36 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Licking	39 min
Sep 9, 8:46 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Licking	44 min
Sep 9, 8:57 PM EDT	Tornado Warning	ILN	Licking	33 min
Sep 9, 9:12 PM EDT	Special Weather Statement	ILN	Greene	33 min
Sep 9, 9:13 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield	47 min
Sep 9, 9:39 PM EDT	Special Weather Statement	ILN	Fayette, Hocking, Pickaway	51 min
Sep 9, 10:01 PM EDT	Special Weather Statement	ILN	Clinton	29 min
Sep 9, 10:02 PM EDT	Special Weather Statement	ILN	Ross	43 min
Sep 9, 10:12 PM EDT	Severe Thunderstorm Warning	ILN	Pickaway, Ross	21 min
Sep 9, 10:31 PM EDT	Special Weather Statement	ILN	Hocking	44 min
Sep 9, 10:48 PM EDT	Severe Thunderstorm Warning	ILN	Hocking	27 min
Sep 10, 1:16 AM EDT	Areal Flood Advisory	ILN	Highland, Pike, Ross	12 min
Sep 10, 2:35 AM EDT	Areal Flood Advisory	ILN	Highland, Ross	4 hr
Sep 10, 3:56 AM EDT	Areal Flood Advisory	ILN	Adams, Pike, Scioto	20 min
Sep 10, 4:16 AM EDT	Flash Flood Warning	ILN	Adams, Pike, Scioto	4 hr
Sep 10, 4:50 AM EDT	Areal Flood Advisory	ILN	Adams, Brown	3 hr
Sep 10, 5:31 AM EDT	Areal Flood Advisory	ILN	Scioto	3 hr
Sep 10, 6:27 AM EDT	Areal Flood Warning	ILN	Pike	6 hr
Sep 10, 8:20 AM EDT	Areal Flood Advisory	ILN	Pike, Scioto	4 hr
Sep 10, 6:56 PM EDT	Areal Flood Advisory	ILN	Highland, Pike, Ross	8 hr
Sep 10, 7:36 AM EDT	Areal Flood Advisory	ILN	Lewis	3 hr

Nearby

Flash Flood Warnings in Ohio, 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.