Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 280, NWS Wilmington, OH

September 20, 2026Fayette County, Union County, Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Sep 20, 2026, 6:41 PM EDT for Fayette County, Union County, Wayne County, Indiana. It was in force for 49 min. 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 20, 2026, 6:41 PM EDT (22:41 UTC)
Expired
Sep 20, 2026, 7:30 PM EDT
In force
49 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Fayette County, IN, Union County, IN, Wayne County, IN

The radar

The Indianapolis radar (KIND), 106 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 111 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 2026-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1506 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 2026-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 303 square meters per square second.193958Sfc1 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
1506 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
303 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 20, 2:41 PM EDT, 4 hours earlier.

Area forecast discussion, Sep 20, 2:41 PM EDT, 4 hours before
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Hazardous weather outlook, Sep 20, 3:01 PM EDT, 3 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
301 PM EDT Sun Sep 20 2026

INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>056-060>065-
070>074-077>082-088-211915-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Hardin-Mercer-Auglaize-
Darke-Shelby-Logan-Delaware-Miami-Champaign-Clark-Madison-Licking-
Preble-Montgomery-Greene-Pickaway-Fairfield-Butler-Warren-Clinton-
Ross-Hocking-Hamilton-Clermont-Brown-Highland-Adams-Pike-Scioto-
301 PM EDT Sun Sep 20 2026

...FLOOD WATCH IN EFFECT FROM 7 PM EDT THIS EVENING THROUGH MONDAY
MORNING...

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

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

In addition, a few strong to severe storms will be possible this
afternoon into this evening. Damaging wind gusts will be the primary
threat.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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 not expected at this time.

INZ075-080-KYZ089>100-211915-
Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Mason-Lewis-
301 PM EDT Sun Sep 20 2026

This Hazardous Weather Outlook is for southeast Indiana, northeast
Kentucky and northern Kentucky.

.DAY ONE...This afternoon and tonight.

Occasional showers and thunderstorms can be expected this afternoon into
tonight. Some of the storms will be capable of producing heavy rainfall
and localized flooding.

In addition, a few strong to severe storms will be possible this
afternoon into this evening. Damaging wind gusts will be the primary
threat.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Sep 20, 3:26 PM EDT, 3 hours 15 minutes before
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Special weather statement, Sep 20, 3:58 PM EDT, 2 hours 43 minutes before
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Special weather statement, Sep 20, 4:31 PM EDT, 2 hours 10 minutes before
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Special weather statement, Sep 20, 5:15 PM EDT, 1 hour 26 minutes before
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Special weather statement, Sep 20, 5:59 PM EDT, 42 minutes before
Special Weather Statement
National Weather Service Wilmington OH
559 PM EDT Sun Sep 20 2026

INZ050-058-202245-
Fayette IN-Wayne IN-
559 PM EDT Sun Sep 20 2026

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF WAYNE AND NORTHERN
FAYETTE COUNTIES THROUGH 645 PM EDT...

At 558 PM EDT, a strong thunderstorm was located over New Castle,
moving east at 25 mph.

HAZARD...Wind gusts up to 45 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Hail may cause minor damage to
         vegetation.

Locations impacted include...
Richmond, Connersville, Centerville, Cambridge City, Hagerstown,
Fountain City, Dublin, Franklin, Waterloo, Milton, Greens Fork, East
Germantown, Economy, Mount Auburn, Mettel Field, Jacksonburg,
Interstate 70 at Exit 145, Bentonville, Williamsburg, and Beesons.

This includes I-70 in Indiana between mile markers 134 and 148.

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 3979 8522 3987 8522 3987 8520 4000 8520
      4001 8488 3983 8496 3965 8509 3973 8530
      3979 8530
TIME...MOT...LOC 2158Z 275DEG 21KT 3990 8533

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...45 MPH

Clark
Special weather statement, Sep 20, 6:23 PM EDT, 18 minutes before
Special Weather Statement
National Weather Service Wilmington OH
623 PM EDT Sun Sep 20 2026

INZ050-OHZ042-051-060-202300-
Wayne IN-Darke OH-Preble OH-Miami OH-
623 PM EDT Sun Sep 20 2026

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN
WAYNE...NORTH CENTRAL PREBLE...DARKE AND NORTHWESTERN MIAMI COUNTIES
THROUGH 700 PM EDT...

At 623 PM EDT, a strong thunderstorm was located near Greenville,
moving southeast at 25 mph.

HAZARD...Wind gusts up to 45 mph, half inch hail, and very heavy
         rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Hail may cause minor damage to
         vegetation. Visibility will be poor and hydroplaning is
         possible.

Locations impacted include...
Greenville, Covington, Arcanum, Bradford, Union City, New Madison,
Wayne Lakes, Gettysburg, Eldorado, Verona, West Manchester, Pitsburg,
Bethel, Hollansburg, Gordon, Palestine, Ithaca, Castine, Union
Corners, and Sharps Crossing.

If outdoors, consider seeking shelter inside a sturdy building.

Motorists should slow down and use extra caution.

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 4001 8490 4001 8481 4021 8481 4023 8480
      4014 8430 3986 8455 4000 8490
TIME...MOT...LOC 2223Z 293DEG 23KT 4012 8473

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...45 MPH

Clark

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 10:29 PM EDTFlood WatchILNClinton, Fairfield, Fayette, Highland, Hocking, Pickaway and 3 more7 hr
Sep 19, 11:04 PM EDTAreal Flood AdvisoryILNFairfield, Hocking, Pickaway, Ross3 hr
Sep 19, 11:57 PM EDTFlash Flood Warning Considerable damage threatILNHocking, Pickaway, Ross9 hr
Sep 20, 12:27 AM EDTSpecial Weather StatementILNWarren33 min
Sep 20, 12:59 AM EDTSpecial Weather StatementILNClinton, Warren31 min
Sep 20, 1:05 AM EDTAreal Flood AdvisoryILNBrown, Butler, Clinton, Highland, Warren3 hr
Sep 20, 1:13 AM EDTSpecial Weather StatementILNHighland32 min
Sep 20, 1:35 AM EDTSevere Thunderstorm WarningILNAdams, Highland, Pike, Scioto40 min
Sep 20, 1:54 AM EDTFlash Flood Warning Considerable damage threatILNClinton, Warren3 hr
Sep 20, 2:08 AM EDTSevere Thunderstorm WarningILNPike, Ross, Scioto37 min
Sep 20, 2:36 AM EDTAreal Flood AdvisoryILNPike, Ross7 hr
Sep 20, 2:54 AM EDTRiver Flood WarningILNHocking7 hr
Sep 20, 3:06 AM EDTAreal Flood AdvisoryILNClermont, Hamilton6 hr
Sep 20, 3:12 AM EDTAreal Flood AdvisoryILNPickaway, Ross9 hr
Sep 20, 3:39 AM EDTFlash Flood Warning Considerable damage threatILNClermont3 hr
Sep 20, 3:59 AM EDTAreal Flood AdvisoryILNBrown, Clermont, Clinton, Highland5 hr
Sep 20, 4:45 AM EDTAreal Flood WarningILNClermont, Clinton, Hamilton, Warren4 hr
Sep 20, 6:20 AM EDTAreal Flood WarningILNClermont, Hamilton3 hr
Sep 20, 7:52 AM EDTRiver Flood WarningILNClermont, Hamilton3 hr
Sep 20, 8:38 AM EDTAreal Flood WarningILNFairfield, Hocking, Pickaway, Ross5 hr
Sep 20, 1:07 PM EDTFlood WatchILNAdams, Auglaize, Brown, Butler, Champaign, Clark and 26 more23 hr
Sep 20, 3:58 PM EDTSpecial Weather StatementILNAdams47 min
Sep 20, 4:07 PM EDTSevere Thunderstorm WarningILNAdams, Scioto23 min
Sep 20, 4:31 PM EDTSpecial Weather StatementILNScioto44 min
Sep 20, 4:49 PM EDTSevere Thunderstorm WarningILNScioto26 min
Sep 20, 5:15 PM EDTSpecial Weather StatementILNAdams45 min
Sep 20, 6:23 PM EDTSpecial Weather StatementILNDarke37 min
Sep 20, 7:00 PM EDTSpecial Weather StatementILNMiami45 min
Sep 20, 7:08 PM EDTSevere Thunderstorm WarningILNButler, Preble41 min
Sep 20, 7:18 PM EDTAreal Flood AdvisoryILNPreble2 hr
Sep 20, 7:44 PM EDTSpecial Weather StatementILNMontgomery, Preble31 min
Sep 20, 7:45 PM EDTSpecial Weather StatementILNButler45 min
Sep 20, 7:51 PM EDTAreal Flood AdvisoryILNButler, Darke, Miami, Montgomery, Preble2 hr
Sep 20, 7:54 PM EDTTornado WarningILNButler, Montgomery, Warren21 min
Sep 20, 5:59 PM EDTSpecial Weather StatementILNWayne46 min
Sep 20, 6:11 PM EDTSevere Thunderstorm WarningILNFayette, Wayne34 min
Sep 20, 6:44 PM EDTAreal Flood AdvisoryILNFayette, Wayne3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2026Every severe thunderstorm 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.