Alert archive / Ohio / Flash Flood Warnings in 2026

Flash Flood Warning 34, NWS Wilmington, OH

July 18, 2026Scioto County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 18, 2026, 5:19 PM EDT for Scioto County, Ohio. It was in force for 3 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
Jul 18, 2026, 5:19 PM EDT (21:19 UTC)
Expired
Jul 18, 2026, 8:15 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

County Scioto County, OH

The radar

The Cincinnati radar (KILN), 99 km from the middle of the area, began a volume at 21:22 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 12:00Z, 9.3 hours before the alert went out and 98 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2026-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 911 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2026-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
911 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 8:37 PM EDTSpecial Weather StatementILNUnion38 min
Jul 17, 8:45 PM EDTAreal Flood AdvisoryILNUnion3 hr
Jul 17, 11:23 PM EDTAreal Flood WarningILNClermont, Hamilton9 hr
Jul 18, 2:59 AM EDTAreal Flood WarningILNHamilton5 hr
Jul 18, 1:10 PM EDTSpecial Weather StatementILNFayette35 min
Jul 18, 1:35 PM EDTSpecial Weather StatementILNClinton, Fayette25 min
Jul 18, 1:39 PM EDTSpecial Weather StatementILNFranklin36 min
Jul 18, 1:55 PM EDTSpecial Weather StatementILNClinton35 min
Jul 18, 1:59 PM EDTSpecial Weather StatementILNFairfield, Licking31 min
Jul 18, 2:22 PM EDTSpecial Weather StatementILNFairfield, Hocking23 min
Jul 18, 2:24 PM EDTSpecial Weather StatementILNHighland36 min
Jul 18, 2:48 PM EDTSpecial Weather StatementILNMiami27 min
Jul 18, 3:33 PM EDTSpecial Weather StatementILNChampaign, Clark, Montgomery27 min
Jul 18, 3:55 PM EDTSpecial Weather StatementILNMadison35 min
Jul 18, 4:26 PM EDTSpecial Weather StatementILNFayette34 min
Jul 18, 4:36 PM EDTSpecial Weather StatementILNAuglaize, Mercer24 min
Jul 18, 4:58 PM EDTSpecial Weather StatementILNScioto17 min
Jul 18, 5:02 PM EDTSpecial Weather StatementILNAuglaize, Hardin, Mercer28 min
Jul 18, 5:05 PM EDTAreal Flood AdvisoryILNScioto15 min
Jul 18, 5:27 PM EDTSpecial Weather StatementILNAuglaize, Logan, Shelby33 min
Jul 18, 5:55 PM EDTSpecial Weather StatementILNChampaign, Delaware, Logan, Union35 min
Jul 18, 6:09 PM EDTSevere Thunderstorm WarningILNDelaware, Licking51 min
Jul 18, 6:20 PM EDTSpecial Weather StatementILNChampaign25 min
Jul 18, 6:39 PM EDTSpecial Weather StatementILNFranklin, Madison36 min
Jul 18, 6:43 PM EDTSpecial Weather StatementILNLicking32 min
Jul 17, 8:06 PM EDTSpecial Weather StatementILNOwen39 min
Jul 18, 3:40 PM EDTSpecial Weather StatementILNBracken, Pendleton35 min
Jul 18, 5:14 PM EDTSpecial Weather StatementILNLewis31 min
Jul 18, 5:42 PM EDTSpecial Weather StatementILNGreenup33 min
Jul 18, 2:50 PM EDTSpecial Weather StatementILNFayette, Union25 min
Jul 18, 4:37 PM EDTSpecial Weather StatementILNFranklin23 min

Nearby

Flash Flood Warnings in Ohio, 2026Every 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.