Alert archive / Ohio / Tornado Watches in 2024
Tornado Watch 123
The Storm Prediction Center issued this tornado watch at Apr 17, 2024, 3:46 PM EDT for 23 counties in Ohio; 17 counties in Pennsylvania; 15 counties in West Virginia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 17, 2024, 3:46 PM EDT (19:46 UTC)
- Expired
- Apr 17, 2024, 10:17 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 55 counties
Ashtabula County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Lake County, OH, Mahoning County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Portage County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Washington County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Crawford County, PA, Erie County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Doddridge County, WV, Hancock County, WV, Harrison County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Ritchie County, WV, Taylor County, WV, Tyler County, WV, Wetzel County, WV, Wood County, WV
The radar
The Pittsburgh radar (KPBZ), 81 km from the middle of the area, began a volume at 19:49 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
- 40%
- 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
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 5:06 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Stark, Summit, Wayne | 39 min |
| Apr 17, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Tuscarawas | 63 min |
| Apr 17, 5:40 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Stark, Wayne | 35 min |
| Apr 17, 5:47 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Stark, Wayne | 30 min |
| Apr 17, 5:49 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 26 min |
| Apr 17, 5:54 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Muskingum, Noble, Tuscarawas | 66 min |
| Apr 17, 6:00 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Coshocton, Harrison, Jefferson, Tuscarawas | 60 min |
| Apr 17, 6:06 PM EDT | Tornado Warning | PBZ | Carroll, Columbiana, Jefferson, Tuscarawas | 17 min |
| Apr 17, 6:13 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 47 min |
| Apr 17, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 12 min |
| Apr 17, 6:20 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Portage, Summit | 40 min |
| Apr 17, 6:28 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 32 min |
| Apr 17, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 31 min |
| Apr 17, 6:42 PM EDT | Tornado Warning | CLE | Portage, Trumbull | 48 min |
| Apr 17, 6:50 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Trumbull | 55 min |
| Apr 17, 6:53 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Harrison, Jefferson | 67 min |
| Apr 17, 6:55 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Monroe, Muskingum, Noble | 65 min |
| Apr 17, 6:55 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 35 min |
| Apr 17, 7:13 PM EDT | Flash Flood Warning | RLX | Perry | 3 hr |
| Apr 17, 7:28 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Morgan, Perry | 32 min |
| Apr 17, 7:52 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Forest, Indiana and 3 more | 38 min |
| Apr 17, 7:53 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Vinton | 22 min |
| Apr 17, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Monroe | 22 min |
| Apr 17, 8:11 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Morgan, Washington | 34 min |
| Apr 17, 8:20 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Jackson, Meigs, Vinton, Washington | 25 min |
| Apr 17, 8:42 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 33 min |
| Apr 17, 8:45 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Vinton, Washington | 30 min |
| Apr 17, 9:12 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Meigs, Vinton | 33 min |
| Apr 17, 9:15 PM EDT | Severe Thunderstorm Warning | RLX | Doddridge, Harrison, Pleasants, Ritchie, Tyler, Wood | 30 min |
| Apr 17, 9:21 PM EDT | Flash Flood Warning | RLX | Athens, Vinton | 3 hr |
| Apr 17, 9:32 PM EDT | Severe Thunderstorm Warning | RLX | Calhoun, Gilmer, Ritchie, Roane, Wirt, Wood | 28 min |
| Apr 17, 9:42 PM EDT | Severe Thunderstorm Warning | RLX | Doddridge, Gilmer, Harrison, Lewis, Ritchie | 33 min |
| Apr 17, 9:46 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Wirt, Wood | 29 min |
| Apr 17, 10:00 PM EDT | Severe Thunderstorm Warning | RLX | Braxton, Calhoun, Gilmer, Ritchie, Roane, Wirt | 30 min |
| Apr 17, 10:17 PM EDT | Severe Thunderstorm Warning | RLX | Braxton, Calhoun, Gilmer, Ritchie | 28 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 12:00Z, 7.8 hours before the alert went out and 88 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
- 45 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1890 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 11:50 AM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Butler, Champaign, Clark and 49 more | 85 min |
| Apr 17, 12:18 PM EDT | Tornado Watch | SPC | Allen, Ashland, Auglaize, Butler, Champaign, Clark and 45 more | 7 hr |
| Apr 17, 2:12 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 68 more | 93 min |
| Apr 17, 3:44 PM EDT | Mesoscale Discussion | SPC | Champaign, Clark, Crawford, Delaware, Franklin, Hardin and 9 more | 91 min |
| Apr 17, 6:23 PM EDT | Mesoscale Discussion | SPC | Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 26 more | 97 min |
Nearby
Tornado Watches in Ohio, 2024Tornado Watches in Pennsylvania, 2024Tornado Watches in West Virginia, 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.