Alert archive / Ohio / Tornado Watches in 2024

Tornado Watch 197

May 7, 202414 counties in Indiana; 12 counties in Kentucky; 32 counties in Ohio

The Storm Prediction Center issued this tornado watch at May 7, 2024, 6:00 PM EDT for 14 counties in Indiana; 12 counties in Kentucky; 32 counties in Ohio. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 7, 2024, 6:00 PM EDT (22:00 UTC)
Expired
May 8, 2024, 2:00 AM EDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 58 counties

Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Henry County, IN, Jennings County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 37 km from the middle of the area, began a volume at 22:01 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
70%
One or more EF2 to EF5 tornadoes
60%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
60%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

50 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 7, 7:31 PM EDTSevere Thunderstorm WarningINDRush, Shelby44 min
May 7, 7:36 PM EDTSevere Thunderstorm WarningINDRush, Shelby24 min
May 7, 7:46 PM EDTTornado WarningILNMercer29 min
May 7, 7:47 PM EDTSevere Thunderstorm WarningILNFayette, Franklin, Union, Wayne28 min
May 7, 7:56 PM EDTTornado Warning Tornado observedINDRush19 min
May 7, 7:57 PM EDTTornado WarningILNFayette, Franklin, Union33 min
May 7, 7:58 PM EDTSevere Thunderstorm WarningINDDecatur, Rush, Shelby47 min
May 7, 8:01 PM EDTTornado WarningINDDecatur, Rush, Shelby29 min
May 7, 8:04 PM EDTSevere Thunderstorm WarningINDRandolph26 min
May 7, 8:05 PM EDTTornado WarningILNDarke40 min
May 7, 8:13 PM EDTTornado Warning Tornado observedILNAuglaize, Mercer32 min
May 7, 8:23 PM EDTSevere Thunderstorm WarningILNLewis, Mason52 min
May 7, 8:24 PM EDTTornado WarningILNFayette, Union, Wayne36 min
May 7, 8:24 PM EDTTornado WarningILNAuglaize, Logan, Mercer, Shelby36 min
May 7, 8:25 PM EDTTornado WarningILNLewis50 min
May 7, 8:26 PM EDTTornado WarningILNFayette, Franklin, Union34 min
May 7, 8:27 PM EDTFlash Flood WarningILNFayette, Franklin, Union3 hr
May 7, 8:27 PM EDTSevere Thunderstorm Warning Considerable damage threatINDBartholomew, Decatur, Rush, Shelby63 min
May 7, 8:34 PM EDTTornado WarningILNDarke, Miami, Shelby41 min
May 7, 8:52 PM EDTTornado WarningILNUnion23 min
May 7, 8:53 PM EDTSevere Thunderstorm WarningILNLewis39 min
May 7, 8:54 PM EDTTornado WarningILNFranklin, Union36 min
May 7, 8:56 PM EDTTornado WarningILNAuglaize, Logan14 min
May 7, 9:05 PM EDTSevere Thunderstorm WarningILNDearborn, Franklin, Ripley40 min
May 7, 9:11 PM EDTSevere Thunderstorm Warning Considerable damage threatINDDecatur49 min
May 7, 9:17 PM EDTTornado WarningILNButler28 min
May 7, 9:21 PM EDTTornado WarningINDDecatur18 min
May 7, 9:24 PM EDTTornado WarningILNDearborn, Franklin, Ripley36 min
May 7, 9:24 PM EDTSevere Thunderstorm WarningINDDecatur, Rush51 min
May 7, 9:28 PM EDTTornado WarningILNChampaign, Logan32 min
May 7, 9:40 PM EDTFlash Flood WarningILNDearborn, Franklin, Ripley3 hr
May 7, 9:44 PM EDTSevere Thunderstorm WarningILNButler, Warren31 min
May 7, 9:44 PM EDTTornado WarningILNChampaign, Madison, Union31 min
May 7, 9:51 PM EDTTornado WarningILNDearborn24 min
May 7, 9:59 PM EDTSevere Thunderstorm WarningILNButler, Clinton, Warren61 min
May 7, 10:12 PM EDTTornado WarningILNDelaware, Franklin, Madison, Union33 min
May 7, 10:12 PM EDTTornado WarningILNWarren33 min
May 7, 10:15 PM EDTTornado WarningILNWarren20 min
May 7, 10:23 PM EDTSevere Thunderstorm WarningILNButler, Hamilton37 min
May 7, 10:23 PM EDTTornado Warning Tornado observedILNClinton24 min
May 7, 10:27 PM EDTTornado WarningILNClinton21 min
May 7, 10:39 PM EDTTornado WarningILNDelaware, Franklin, Licking36 min
May 7, 10:41 PM EDTSevere Thunderstorm WarningILNClinton, Fayette, Highland, Pickaway, Ross33 min
May 7, 10:45 PM EDTSevere Thunderstorm WarningILNBrown, Clermont, Clinton, Highland, Warren29 min
May 7, 10:51 PM EDTFlash Flood WarningILNBrown, Clermont, Clinton, Hamilton, Warren3 hr
May 7, 11:15 PM EDTTornado WarningILNLicking30 min
May 7, 11:48 PM EDTFlash Flood WarningILNDelaware, Franklin, Licking3 hr
May 7, 11:49 PM EDTSevere Thunderstorm WarningILNAdams, Highland, Pike, Ross, Scioto41 min
May 8, 12:10 AM EDTSevere Thunderstorm WarningILNPike, Ross35 min
May 8, 12:11 AM EDTSevere Thunderstorm WarningILNPike, Scioto34 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 36 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 2024-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2024-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 1:14 PM EDTMesoscale DiscussionSPCBenton, Boone, Carroll, Cass, Clinton, Elkhart and 24 more2 hr
May 7, 2:28 PM EDTTornado WatchSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 49 more12 hr
May 7, 3:53 PM EDTMesoscale DiscussionSPCBenton, Boone, Carroll, Cass, Clay, Clinton and 37 more67 min
May 7, 4:33 PM EDTMesoscale DiscussionSPCAdams, Allen, Blackford, Dearborn, Decatur, DeKalb and 17 more87 min
May 7, 4:55 PM EDTTornado WatchSPCAdams, Allen, Blackford, DeKalb, Jay, Steuben and 1 more6 hr
May 7, 6:46 PM EDTMesoscale DiscussionSPCAdams, Allen, DeKalb, Steuben89 min
May 7, 7:36 PM EDTMesoscale DiscussionSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 10 more54 min
May 7, 7:56 PM EDTMesoscale DiscussionSPCBartholomew, Brown, Dearborn, Decatur, Fayette, Franklin and 11 more94 min
May 7, 7:57 PM EDTTornado WatchSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 10 more7 hr
May 7, 5:42 AM EDTMesoscale DiscussionSPCBallard, Carlisle, Crittenden, Fulton, Graves, Hickman and 5 more2 hr
May 7, 1:48 PM EDTMesoscale DiscussionSPCBath, Bell, Boyd, Breathitt, Carter, Clay and 25 more87 min

Nearby

Tornado Watches in Ohio, 2024Tornado Watches in Indiana, 2024Tornado Watches in Kentucky, 2024Every tornado watch in 2024

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.