Alert archive / Indiana / Flash Flood Warnings in 2026
Flash Flood Warning 19, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 18, 2026, 1:24 AM EDT for Franklin County, Indiana. 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
- Jun 18, 2026, 1:24 AM EDT (05:24 UTC)
- Expired
- Jun 18, 2026, 4:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Franklin County, IN
The radar
The Cincinnati radar (KILN), 106 km from the middle of the area, began a volume at 05:24 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, 5.4 hours before the alert went out and 108 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.
- Mixed-layer CAPE
- 136 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1205 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 427 m²/s²
- 0-3 km storm-relative helicity
- 684 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.4
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 Jun 17, 9:50 PM EDT, 3 hours 34 minutes earlier. Its key messages:
- 1) A deep low pressure system brings the chance for severe thunderstorms, flash flooding, and gusty winds overnight.
Area forecast discussion, Jun 17, 9:50 PM EDT, 3 hours 34 minutes before
Area Forecast Discussion
National Weather Service Wilmington OH
950 PM EDT Wed Jun 17 2026
.WHAT HAS CHANGED...
Expanded flood watch.
&&
.KEY MESSAGES...
1) A deep low pressure system brings the chance for severe
thunderstorms, flash flooding, and gusty winds overnight.
&&
.DISCUSSION...
KEY MESSAGE 1)
Showers and embedded thunderstorms continue to move across the area.
Severe thunderstorms are expected to move across the area overnight.
There is quite a bit of shear in addition to strong winds with this
system and therefore damaging winds and tornadoes will be a threat.
In addition, given a somewhat west to east orientation there will be
the potential for flash flooding as well and did some expansion of
the flood watch for flash flooding as well. Gusty winds will be
possible outside of thunderstorms and also during the day on Thursday
as well.
&&
.AVIATION /01Z THURSDAY THROUGH MONDAY/...
Rain showers with some embedded thunderstorms will continue to move
across the region this evening. During the overnight hours a broken
line of storms is expected to move through the TAF sites. Have tempo
IFR conditions along with thunderstorms and gusty winds. Went with
wind gusts around 35 to 40 knots as the storms move through, however
there is the potential for some higher gusts. Wind gusts are also
expected at times overnight outside of thunderstorms as well. LLWS is
expected too overnight.
Thunderstorms will move out of the TAF sites by morning and there
will be a brief decrease in winds although not expecting them to go
calm. Winds will pick up during the day on Thursday with additional
wind gusts. Cu are expected in addition to some mid and high clouds
on Thursday. Some scattered shower activity during the afternoon is
also possible.
OUTLOOK...Thunderstorms possible Sunday and Monday.
&&
.ILN WATCHES/WARNINGS/ADVISORIES...
OH...Flood Watch through Thursday morning for OHZ042-051-053-060>062-070-
071-077>079-081.
KY...Flood Watch through Thursday morning for KYZ089>099.
IN...Flood Watch through Thursday morning for INZ050-058-059-066-073>075-
080.
&&
DISCUSSION...08/04
AVIATION...08Hazardous weather outlook, Jun 17, 9:29 PM EDT, 3 hours 55 minutes before
Hazardous Weather Outlook National Weather Service Wilmington OH 929 PM EDT Wed Jun 17 2026 KYZ100-OHZ026-034-035-043>046-052-054>056-063>065-072>074-080-082- 088-190130- Lewis-Hardin-Mercer-Auglaize-Shelby-Logan-Union-Delaware-Champaign- Madison-Franklin-Licking-Fayette-Pickaway-Fairfield-Clinton-Ross- Hocking-Highland-Pike-Scioto- 929 PM EDT Wed Jun 17 2026 This Hazardous Weather Outlook is for northeast Kentucky, central Ohio, south central Ohio, southwest Ohio and west central Ohio. .DAY ONE...Tonight. Severe thunderstorms will be possible overnight. Damaging wind is the primary threat. However, localized flash flooding and isolated tornadoes are also possible. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is likely overnight. INZ050-058-059-066-073>075-080-KYZ089>099-OHZ042-051-053-060>062-070- 071-077>079-081-190130- Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland- Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken- Robertson-Mason-Darke-Miami-Clark-Preble-Montgomery-Greene-Butler- Warren-Hamilton-Clermont-Brown-Adams- 929 PM EDT Wed Jun 17 2026 ...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING... This Hazardous Weather Outlook is for east central Indiana, southeast Indiana, northern Kentucky, south central Ohio, southwest Ohio and west central Ohio. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Severe thunderstorms will be possible overnight. Damaging wind is the primary threat along with the possibility for a few tornadoes. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is likely overnight.
In the hours before
Special weather statement, Jun 17, 11:38 PM EDT, 1 hour 46 minutes before
Special Weather Statement
National Weather Service Wilmington OH
1138 PM EDT Wed Jun 17 2026
INZ073-180415-
Ripley IN-
1138 PM EDT Wed Jun 17 2026
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF RIPLEY COUNTY
THROUGH 1215 AM EDT...
At 1138 PM EDT, a strong thunderstorm was located 9 miles northeast
of Vernon, moving east at 35 mph.
HAZARD...Wind gusts up to 45 mph and very heavy rain.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Visibility will be poor and hydroplaning
is possible.
Locations impacted include...
Versailles, Milan, Osgood, Holton, Friendship, Versailles Lake, Cross
Plains, Rexville, Otter Village, Benham, Olean, and New Marion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a sturdy building.
Motorists should slow down and use extra caution.
A Tornado Watch remains in effect until 500 AM EDT for southeastern
Indiana.
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 3916 8544 3919 8509 3893 8514 3893 8520
3892 8520 3893 8545
TIME...MOT...LOC 0338Z 279DEG 32KT 3905 8544
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...45 MPH
HatzosLocal storm report, Jun 18, 1:12 AM EDT, 12 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
112 AM EDT Thu Jun 18 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1237 AM Tstm Wnd Gst 2 SE Hebron 39.04N 84.67W
06/18/2026 M60 MPH Boone KY ASOS
ASOS station KCVG Cincinnati/Northern
Kentucky International Airport.
&&Local storm report, Jun 18, 1:19 AM EDT, 5 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
119 AM EDT Thu Jun 18 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 AM Flood 2 SSE Norwood 39.14N 84.44W
06/18/2026 Hamilton OH Emergency Mngr
High water reported over roadways with
vehicles stranded and water rescues
underway.
&&Local storm report, Jun 18, 1:24 AM EDT, 0 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
124 AM EDT Thu Jun 18 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1156 PM Tstm Wnd Dmg 5 S Versailles 39.00N 85.25W
06/17/2026 Ripley IN Amateur Radio
Several utility poles snapped and wires
downed.
&&The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 11:59 PM EDT | Tornado Warning | ILN | Butler, Montgomery, Preble, Warren | 31 min |
| Jun 18, 12:59 AM EDT | Tornado Warning | ILN | Clermont | 33 min |
| Jun 18, 1:00 AM EDT | Flash Flood Warning | ILN | Hamilton | 5 hr |
| Jun 18, 1:04 AM EDT | Tornado Warning | ILN | Butler, Hamilton | 26 min |
| Jun 18, 1:20 AM EDT | Tornado Warning | ILN | Adams, Brown, Highland | 40 min |
| Jun 18, 1:25 AM EDT | Tornado Warning | ILN | Butler, Hamilton | 35 min |
| Jun 18, 1:43 AM EDT | Flash Flood Warning | ILN | Brown, Clermont | 6 hr |
| Jun 18, 1:51 AM EDT | Special Weather Statement | ILN | Highland | 24 min |
| Jun 18, 2:01 AM EDT | Tornado Warning | ILN | Clinton, Warren | 16 min |
| Jun 18, 2:13 AM EDT | Areal Flood Advisory | ILN | Butler, Clermont, Clinton, Greene, Hamilton, Montgomery and 2 more | 3 hr |
| Jun 18, 2:15 AM EDT | Special Weather Statement | ILN | Pike | 30 min |
| Jun 18, 2:18 AM EDT | Special Weather Statement | ILN | Clinton | 27 min |
| Jun 18, 2:24 AM EDT | Flash Flood Warning | ILN | Adams, Brown, Highland, Pike, Ross | 3 hr |
| Jun 18, 2:32 AM EDT | Areal Flood Advisory | ILN | Clinton, Fayette, Highland | 3 hr |
| Jun 18, 2:39 AM EDT | Special Weather Statement | ILN | Ross | 36 min |
| Jun 18, 2:57 AM EDT | Special Weather Statement | ILN | Clermont | 33 min |
| Jun 18, 3:36 AM EDT | Severe Thunderstorm Warning | ILN | Highland, Pike, Ross | 39 min |
| Jun 18, 3:42 AM EDT | Areal Flood Advisory | ILN | Ross | 5 hr |
| Jun 18, 4:00 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clermont, Highland | 22 min |
| Jun 18, 4:12 AM EDT | Severe Thunderstorm Warning | ILN | Clermont | 46 min |
| Jun 18, 4:12 AM EDT | Tornado Warning | ILN | Adams, Pike, Scioto | 33 min |
| Jun 18, 4:35 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown | 41 min |
| Jun 18, 5:01 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 59 min |
| Jun 18, 5:26 AM EDT | Severe Thunderstorm Warning | ILN | Adams, Pike, Scioto | 43 min |
| Jun 18, 5:45 AM EDT | Areal Flood Advisory | ILN | Hamilton | 4 hr |
| Jun 18, 5:49 AM EDT | Areal Flood Warning | ILN | Adams, Brown, Highland, Pike, Ross | 6 hr |
| Jun 18, 7:44 AM EDT | Areal Flood Warning | ILN | Brown, Clermont | 4 hr |
| Jun 18, 12:10 AM EDT | Tornado Warning | ILN | Boone, Gallatin, Kenton | 37 min |
| Jun 18, 12:34 AM EDT | Tornado Warning | ILN | Campbell, Kenton | 41 min |
| Jun 18, 2:59 AM EDT | Special Weather Statement | ILN | Boone, Kenton | 31 min |
| Jun 18, 3:30 AM EDT | Tornado Warning | ILN | Carroll, Gallatin, Owen | 33 min |
| Jun 18, 3:52 AM EDT | Severe Thunderstorm Warning | ILN | Boone, Gallatin, Grant, Kenton, Owen | 38 min |
| Jun 18, 4:17 AM EDT | Tornado Warning | ILN | Grant, Pendleton | 28 min |
| Jun 17, 11:38 PM EDT | Special Weather Statement | ILN | Ripley | 37 min |
| Jun 17, 11:49 PM EDT | Tornado Warning | ILN | Dearborn, Ohio, Ripley, Switzerland | 41 min |
| Jun 18, 12:16 AM EDT | Flash Flood Warning | ILN | Dearborn, Ohio, Ripley | 7 hr |
| Jun 18, 2:24 AM EDT | Special Weather Statement | ILN | Ripley | 36 min |
| Jun 18, 6:58 AM EDT | Areal Flood Warning | ILN | Dearborn, Ripley | 11 hr |
Nearby
Flash Flood Warnings in Indiana, 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.