Alert archive / Ohio / Tornado Warnings in 2026
Tornado Warning 11, NWS Wilmington, OH
NWS Wilmington, OH issued this tornado warning at Jun 11, 2026, 11:18 PM EDT for Mercer County, Ohio. It was in force for 27 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 11, 2026, 11:18 PM EDT (03:18 UTC)
- Expired
- Jun 11, 2026, 11:45 PM EDT
- In force
- 27 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Mercer County, OH
The radar
The Northern Indiana radar (KIWX), 121 km from the middle of the area, began a volume at 03:19 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 11:28 PM EDT | TSTM WND DMG | 9 Nw Coldwater, OH | Heavy tree and powerline damage moving northeast from Skeels Road toward US-33. Time estimated from radar. |
| Jun 11, 11:38 PM EDT | TSTM WND DMG | 3 Ssw Mendon, OH | Roof blown off barn along US-33. Time estimated from radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 9:47 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.3 hours before the alert went out and 153 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
- 1743 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1144 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.3
The text
As transmitted.
856
WFUS51 KILN 120318
TORILN
OHC107-120345-
/O.NEW.KILN.TO.W.0011.260612T0318Z-260612T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
1118 PM EDT Thu Jun 11 2026
The National Weather Service in Wilmington has issued a
* Tornado Warning for...
Northern Mercer County in west central Ohio...
* Until 1145 PM EDT.
* At 1117 PM EDT, a severe thunderstorm capable of producing a
tornado was located near Geneva, moving east at 60 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...
Rockford, Mendon, Chattanooga, Neptune, and Tama.
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 4073 8446 4059 8446 4054 8480 4069 8480
4073 8453
TIME...MOT...LOC 0317Z 257DEG 50KT 4059 8486
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
McGinnis3 follow-up statements
831
WWUS51 KILN 120325
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
1125 PM EDT Thu Jun 11 2026
OHC107-120345-
/O.CON.KILN.TO.W.0011.000000T0000Z-260612T0345Z/
Mercer OH-
1125 PM EDT Thu Jun 11 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR NORTHERN
MERCER COUNTY...
At 1125 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Rockford, moving east at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Rockford, Mendon, Chattanooga, Neptune, and Tama.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.
&&
LAT...LON 4073 8446 4059 8446 4054 8480 4069 8480
4073 8453
TIME...MOT...LOC 0325Z 258DEG 49KT 4060 8471
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
McGinnis644
WWUS51 KILN 120333
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
1133 PM EDT Thu Jun 11 2026
OHC107-120345-
/O.CON.KILN.TO.W.0011.000000T0000Z-260612T0345Z/
Mercer OH-
1133 PM EDT Thu Jun 11 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
NORTHEASTERN MERCER COUNTY...
At 1133 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Celina, moving east at 60 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...
Mendon, Neptune, and Tama.
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 4073 8446 4059 8446 4057 8461 4062 8464
4071 8464 4073 8453
TIME...MOT...LOC 0333Z 257DEG 50KT 4063 8455
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
McGinnis690
WWUS51 KILN 120341
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
1141 PM EDT Thu Jun 11 2026
OHC107-120351-
/O.EXP.KILN.TO.W.0011.000000T0000Z-260612T0345Z/
Mercer OH-
1141 PM EDT Thu Jun 11 2026
...THE TORNADO WARNING FOR NORTHEASTERN MERCER COUNTY WILL EXPIRE AT
1145 PM EDT...
The storm which prompted the warning has weakened below severe limits
and no longer appears capable of producing a tornado. Therefore, the
warning will be allowed to expire. However, gusty winds are still
possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
west central Ohio.
Please report previous tornadoes, wind damage or hail to the National
Weather Service by going to our website at weather.gov/iln and
submitting your report via social media.
Remember, a Severe Thunderstorm Warning still remains in effect for
Mercer County.
&&
LAT...LON 4073 8446 4059 8446 4057 8461 4062 8464
4071 8464 4073 8453
TIME...MOT...LOC 0341Z 270DEG 50KT 4065 8441
$$
McGinnisWhat forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Jun 11, 8:18 PM EDT, 3 hours earlier. Its key messages:
- 1) A line of strong to severe storms will move into the region tonight, bringing the potential for gusty to isolated damaging winds. The complex of storms will slowly be weakening with eastward progression late into the night, with the greatest severe threat near/west of I-71. 2) A drier and somewhat cooler airmass will move in behind the cold front for Friday afternoon and into Saturday. A secondary cold front will bring additional showers and thunderstorms on Sunday along with cooler temperatures for early next week.
Area forecast discussion, Jun 11, 8:18 PM EDT, 3 hours before
Area Forecast Discussion National Weather Service Wilmington OH 818 PM EDT Thu Jun 11 2026 .WHAT HAS CHANGED... Isolated storms possible this afternoon and evening. Another chance for showers and storms later tonight. && .KEY MESSAGES... 1) A line of strong to severe storms will move into the region tonight, bringing the potential for gusty to isolated damaging winds. The complex of storms will slowly be weakening with eastward progression late into the night, with the greatest severe threat near/west of I-71. 2) A drier and somewhat cooler airmass will move in behind the cold front for Friday afternoon and into Saturday. A secondary cold front will bring additional showers and thunderstorms on Sunday along with cooler temperatures for early next week. && .DISCUSSION... KEY MESSAGE 1) Over the course of the past several hours, we have seen a surge of high theta-e to the N/NE overspreading a larger portion of the OH Vly, including the ILN FA. This is helping further destabilize the environment, despite the rapid approach of sunset. Although the BL/near sfc layer will stabilize/cool somewhat past sunset, a strongly-unstable environment, characterized by MLCAPE >2500 J/kg, will still be entrenched across parts of the ILN FA, particularly near/W of the I-71 corridor. The thermodynamic environment, along with the approach of better LL/deep-layer shear and forcing, lends itself to some concern for the maintenance of the storm complex currently upstream in IL further into the local area than previously expected. This concern is greatest for parts of EC IN and WC OH where the better overlap of LL shear and strong instby will evolve as we approach midnight, helping maintain some degree of organization with the bowing line. There is an increasing signal, including within some of the recent WoFS guidance, for the potential for strong/severe storms to impact NW/W third of the ILN FA around midnight, with damaging winds being the primary threat as the bowing line progresses E/SE through 2 AM. This will especially be of concern from about Wayne Co IN to Hardin Co OH and points further to the NW, including much of WC OH. There is the expectation for the line to gradually weaken with SE extent due to a less favorable environment near/SE of I-71. This weakening will be most pronounced by/after 2 AM as the complex becomes increasingly outflow-dominant. This being said, the DCAPE environment will still be plenty supportive of downward transfer of winds from aloft to the sfc. This, combined with quite a bit of momentum of the complex, means that the potential for gusty winds will likely extend well beyond even the maintenance of thunder itself. It is likely that, at some point within the weakening organization, that a pronounced outflow will still bring with it gusty winds even in the absence of thunder. This very well could reach locales SE of the I-71 corridor near/after 2 AM. Brief torrential rainfall rates is also expected with the arrival of the line, particularly in EC IN and WC OH. However, with the steady forward progression of the MCS, prolonged heavy rain and flooding are not expected to be a primary threat. KEY MESSAGE 2) A cold front associated with a low in Canada pushes east through the region on Friday morning. Drier and slightly cooler air moves into the Ohio Valley behind the front. High pressure progresses across the area on Saturday bringing dry conditions and near average temperatures. Shower and storm chances increase once again on Sunday when another cold front associated with a low far to the north in Canada moves through. There could be a window for severe weather as some models are depicting instability overlapping with increasing shear ahead of the front during the day on Sunday. The best potential for storms appears to be in the southeast where frontal passage occurs later in the day. Cooler and drier air arrives for the start of next week behind the front. && .AVIATION /00Z FRIDAY THROUGH TUESDAY/... A band of SCT VFR Cu along the leading edge of a surge of higher moisture continues to work its way NE, initiating a few spotty SHRA in the process. This would only be of concern for KDAY/KCMH/KLCK through the first hour or so of the TAF period before the focus will shift quickly to the incoming line of storms expected to be near KDAY by about 05z. There is the expectation for a mature, but steadily weakening, line of storms to progress to the SE near/through the local terminals between about 05z-09z. While there is some uncertainty regarding maintenance of TS with eastward extent, confidence is high enough that included a TEMPO TS at KDAY. Better confidence in coverage and timing of this decaying complex allowed for TEMPO SHRA to be added elsewhere at KCVG/KLUK/KILN/KCMH/KDAY for a 2-3 hour period each. The main item of concern with the arrival of this line will be abrupt/drastic changes in wind speed, direction, and visibility. However, these will be added to the fcst as confidence increases in the likely impacts at each site. The TSRA/SHRA will push off to the SE quickly by/after 09z, with dry conditions thereafter. There will likely be some SW LLWS on the order of about 40kts coincident with the bowing line of TSRA/SHRA, but this will relax with the passage of the convection. SW sfc winds around 8-10kts will go out of the WNW following the FROPA by 09z, with MVFR CIGs expected to briefly overspread the sites during the several hours around daybreak. These MVFR CIGs will lift/scatter quickly as drier air rushes in between 15z-18z in the post-frontal environment. OUTLOOK... Thunderstorms possible again on Sunday. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...None. KY...None. IN...None. && DISCUSSION...Campbell/KC AVIATION...KC
Hazardous weather outlook, Jun 11, 9:25 PM EDT, 1 hour 53 minutes before
Hazardous Weather Outlook National Weather Service Wilmington OH 925 PM EDT Thu Jun 11 2026 INZ050-058-059-OHZ026-034-035-042>045-051>053-060-061-130130- Wayne-Fayette-Union-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-Miami- Champaign-Clark-Preble-Montgomery- 925 PM EDT Thu Jun 11 2026 This Hazardous Weather Outlook is for east central Indiana, central Ohio and west central Ohio. .DAY ONE...Tonight. Thunderstorms will overspread the region tonight. A few strong to severe storms are likely, with gusty winds to damaging winds being the primary threat. A tornado cannot be ruled out. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a low probability for widespread hazardous weather. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight. INZ075-080-KYZ089>100-OHZ056-065-073-074-078>082-088-130130- Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant- Pendleton-Bracken-Robertson-Mason-Lewis-Licking-Fairfield-Ross- Hocking-Clermont-Brown-Highland-Adams-Pike-Scioto- 925 PM EDT Thu Jun 11 2026 This Hazardous Weather Outlook is for southeast Indiana, northeast Kentucky, northern Kentucky, central Ohio, south central Ohio and southwest Ohio. .DAY ONE...Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. INZ066-073-074-OHZ046-054-055-062>064-070>072-077-130130- Franklin-Ripley-Dearborn-Delaware-Madison-Greene-Fayette-Pickaway- Butler-Warren-Clinton-Hamilton- 925 PM EDT Thu Jun 11 2026 This Hazardous Weather Outlook is for southeast Indiana, central Ohio, southwest Ohio and west central Ohio. .DAY ONE...Tonight. Thunderstorms will overspread the region around midnight and beyond. A few strong to isolated severe storms will be possible, with gusty winds to isolated damaging winds being the primary threat. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a low probability for widespread hazardous weather. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 11:04 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer, Shelby | 56 min |
| Jun 11, 11:12 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 63 min |
| Jun 11, 11:39 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Darke, Hardin, Logan, Miami and 1 more | 66 min |
| Jun 11, 11:50 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Montgomery, Preble | 55 min |
| Jun 12, 12:16 AM EDT | Special Weather Statement | ILN | Champaign, Clark, Union | 59 min |
| Jun 12, 12:20 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Miami | 40 min |
| Jun 12, 12:28 AM EDT | Special Weather Statement | ILN | Greene, Hamilton, Warren | 47 min |
| Jun 12, 12:55 AM EDT | Special Weather Statement | ILN | Delaware, Franklin, Madison | 50 min |
| Jun 12, 1:44 AM EDT | Special Weather Statement | ILN | Licking | 46 min |
Nearby
Tornado Warnings in Ohio, 2026Every tornado warning in 2026Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.