Alert archive / Ohio / Tornado Watches in 2024
Tornado Watch 199
The Storm Prediction Center issued this tornado watch at May 7, 2024, 9:17 PM EDT for Boyd County, Carter County, Greenup County, Kentucky; 27 counties in Ohio; 18 counties in West Virginia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 2024, 9:17 PM EDT (01:17 UTC)
- Expired
- May 8, 2024, 4:00 AM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 48 counties
Boyd County, KY, Carter County, KY, Greenup County, KY, Ashland County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lawrence County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Richland County, OH, Stark County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Jackson County, WV, Marshall County, WV, Mason County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Pittsburgh radar (KPBZ), 132 km from the middle of the area, began a volume at 01:17 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
- 60%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 9:37 PM EDT | Severe Thunderstorm Warning | RLX | Greenup | 23 min |
| May 7, 9:56 PM EDT | Tornado Warning | RLX | Greenup | 18 min |
| May 7, 11:48 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Muskingum | 42 min |
| May 8, 12:16 AM EDT | Severe Thunderstorm Warning | RLX | Gallia, Jackson, Lawrence, Meigs, Vinton | 43 min |
| May 8, 12:28 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Harrison, Muskingum, Tuscarawas | 47 min |
| May 8, 12:36 AM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 39 min |
| May 8, 12:55 AM EDT | Tornado Warning | PBZ | Columbiana, Jefferson | 35 min |
| May 8, 1:07 AM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Carroll, Guernsey, Harrison, Jefferson, Tuscarawas | 53 min |
| May 8, 1:26 AM EDT | Tornado Warning | PBZ | Hancock | 34 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
Pittsburgh, PA (KPIT), launched 00:00Z, 1.3 hours before the alert went out and 135 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
- 122 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 10:20 PM EDT | Mesoscale Discussion | SPC | Boone, Campbell, Carroll, Gallatin, Kenton, Trimble | 55 min |
| May 8, 12:16 AM EDT | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 4 more | 119 min |
| May 8, 2:26 AM EDT | Mesoscale Discussion | SPC | Anderson, Ballard, Bourbon, Bracken, Breckinridge, Bullitt and 32 more | 2 hr |
| May 8, 2:57 AM EDT | Tornado Watch | SPC | Ballard, Breckinridge, Butler, Caldwell, Calloway, Carlisle and 23 more | 4 hr |
| May 8, 8:50 AM EDT | Mesoscale Discussion | SPC | Calloway, Graves, McCreary, Trigg, Whitley | 2 hr |
| May 8, 11:29 AM EDT | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 11 more | 8 hr |
| May 8, 12:28 PM EDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Carlisle, Crittenden, Livingston, Lyon and 2 more | 92 min |
| May 8, 12:35 PM EDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Carlisle, Crittenden, Livingston, Lyon and 2 more | 85 min |
| May 8, 1:58 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Breckinridge, Bullitt, Butler and 31 more | 62 min |
| May 8, 2:13 PM EDT | Tornado Watch | SPC | Adair, Allen, Barren, Boyle, Breckinridge, Bullitt and 28 more | 10 hr |
| May 8, 2:50 PM EDT | Mesoscale Discussion | SPC | Allen, Ballard, Barren, Breckinridge, Butler, Caldwell and 31 more | 55 min |
| May 8, 4:41 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Ballard, Barren, Butler, Caldwell and 35 more | 94 min |
| May 8, 5:42 PM EDT | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 9 hr |
| May 8, 6:51 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Boyle, Butler, Casey and 18 more | 114 min |
| May 8, 7:29 PM EDT | Mesoscale Discussion | SPC | Butler, Caldwell, Christian, Daviess, Hopkins, Lyon and 4 more | 91 min |
Nearby
Tornado Watches in Ohio, 2024Tornado Watches in West Virginia, 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.