Alert archive / Ohio / Tornado Warnings in 2026

Tornado Warning 21, NWS Wilmington, OH

June 18, 2026Clinton County, Warren County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 18, 2026, 2:01 AM EDT for Clinton County, Warren County, Ohio. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 18, 2026, 2:01 AM EDT (06:01 UTC)
Expired: Jun 18, 2026, 2:17 AM EDT
In force: 16 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Clinton County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 30 km from the middle of the area, began a volume at 06:04 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 19, 8:00 PM EDT	Severe Thunderstorm Watch	SPC	38 days
Jun 17, 10:13 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.0 hours before the alert went out and 32 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

702 
WFUS51 KILN 180601
TORILN
OHC027-165-180630-
/O.NEW.KILN.TO.W.0021.260618T0601Z-260618T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
201 AM EDT Thu Jun 18 2026

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Southern Warren County in southwestern Ohio...
  West central Clinton County in southwestern Ohio...

* Until 230 AM EDT.

* At 201 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Kings Island, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Mason, Lebanon, Blanchester, Morrow, Kings Island, Highpoint, South
  Lebanon, Maineville, Clarksville, Butlerville, Murdock, State Route
  123 at State Route 132, Kings Mills, Middleboro, Socialville,
  Landen, Loveland Park, State Route 350 at US Route 22, and Fort
  Ancient.

This includes I-71 in Ohio between mile markers 20 and 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3943 8399 3928 8397 3929 8429 3929 8434
      3935 8434
TIME...MOT...LOC 0601Z 268DEG 34KT 3933 8427 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Campbell

2 follow-up statements

877 
WWUS51 KILN 180613
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
213 AM EDT Thu Jun 18 2026

OHC027-165-180630-
/O.CON.KILN.TO.W.0021.000000T0000Z-260618T0630Z/
Warren OH-Clinton OH-
213 AM EDT Thu Jun 18 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR
SOUTHEASTERN WARREN AND WEST CENTRAL CLINTON COUNTIES...

At 213 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Morrow, moving east at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Mason, Lebanon, Blanchester, Morrow, South Lebanon, Maineville,
Clarksville, Butlerville, Murdock, State Route 123 at State Route
132, Fort Ancient, Kings Mills, Middleboro, Loveland Park, and State
Route 350 at US Route 22.

This includes I-71 in Ohio near mile marker 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3943 8399 3928 8397 3929 8429 3930 8425
      3937 8427
TIME...MOT...LOC 0613Z 269DEG 29KT 3932 8419 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Campbell

752 
WWUS51 KILN 180617
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
217 AM EDT Thu Jun 18 2026

OHC027-165-180627-
/O.CAN.KILN.TO.W.0021.000000T0000Z-260618T0630Z/
Warren OH-Clinton OH-
217 AM EDT Thu Jun 18 2026

...THE TORNADO WARNING FOR SOUTHEASTERN WARREN AND WEST CENTRAL
CLINTON COUNTIES IS CANCELLED...

The storm which prompted the warning has weakened below severe limits
and no longer appears capable of producing a tornado. Therefore, the
warning has been cancelled.

A Tornado Watch remains in effect until 500 AM EDT for southwestern
Ohio.

Please report previous tornadoes, wind damage or hail to the National
Weather Service by going to our website at weather.gov/iln and
submitting your report via social media.

&&

LAT...LON 3943 8399 3928 8397 3929 8429 3930 8425
      3937 8427
TIME...MOT...LOC 0615Z 268DEG 34KT 3932 8414 

$$

Campbell

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 Considerable damage threat	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 Considerable damage threat	ILN	Brown, Clermont	6 hr
Jun 18, 1:51 AM EDT	Special Weather Statement	ILN	Highland	24 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 Tornado observed	ILN	Adams, Pike, Scioto	33 min
Jun 18, 4:35 AM EDT	Severe Thunderstorm Warning Considerable damage threat	ILN	Adams, Brown	41 min
Jun 18, 5:01 AM EDT	Severe Thunderstorm Warning Considerable damage threat	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

Nearby

Tornado Warnings in Ohio, 2026 Every tornado warning in 2026 Tornadoes 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.