Alert archive / Ohio / Tornado Watches in 2024
Tornado Watch 122
The Storm Prediction Center issued this tornado watch at Apr 17, 2024, 12:18 PM EDT for 21 counties in Indiana; 51 counties in Ohio. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 17, 2024, 12:18 PM EDT (16:18 UTC)
- Expired
- Apr 17, 2024, 7:00 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 72 counties
Adams County, IN, Allen County, IN, Blackford County, IN, DeKalb County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hancock County, IN, Henry County, IN, Huntington County, IN, Jay County, IN, Madison County, IN, Noble County, IN, Randolph County, IN, Rush County, IN, Steuben County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Whitley County, IN, Allen County, OH, Ashland County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Pickaway County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 107 km from the middle of the area, began a volume at 16:22 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
43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 12:28 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Blackford, Grant, Jay, Wells | 47 min |
| Apr 17, 12:31 PM EDT | Severe Thunderstorm Warning | IWX | DeKalb, Noble | 44 min |
| Apr 17, 1:03 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Jay, Wells | 28 min |
| Apr 17, 1:06 PM EDT | Severe Thunderstorm Warning | IWX | DeKalb, Steuben | 24 min |
| Apr 17, 1:19 PM EDT | Severe Thunderstorm Warning | IWX | Adams | 41 min |
| Apr 17, 1:28 PM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb | 32 min |
| Apr 17, 1:37 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Mercer | 38 min |
| Apr 17, 1:43 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Defiance, Henry, Paulding, Putnam, Van Wert | 47 min |
| Apr 17, 1:47 PM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb | 28 min |
| Apr 17, 2:01 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Williams | 29 min |
| Apr 17, 2:18 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Henry | 22 min |
| Apr 17, 2:22 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam | 23 min |
| Apr 17, 2:27 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Lucas, Wood | 47 min |
| Apr 17, 2:27 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin | 48 min |
| Apr 17, 2:36 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Shelby | 39 min |
| Apr 17, 2:55 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa, Wood | 29 min |
| Apr 17, 3:21 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Miami, Shelby | 39 min |
| Apr 17, 3:23 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Wyandot | 52 min |
| Apr 17, 3:34 PM EDT | Severe Thunderstorm Warning | ILN | Hardin, Logan | 24 min |
| Apr 17, 3:43 PM EDT | Severe Thunderstorm Warning | CLE | Marion | 47 min |
| Apr 17, 3:55 PM EDT | Tornado Warning | CLE | Marion, Morrow | 35 min |
| Apr 17, 4:02 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Madison, Union | 43 min |
| Apr 17, 4:04 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Logan, Union | 41 min |
| Apr 17, 4:09 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Medina, Wayne | 51 min |
| Apr 17, 4:12 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Richland | 36 min |
| Apr 17, 4:17 PM EDT | Tornado Warning | CLE | Crawford, Marion, Morrow | 26 min |
| Apr 17, 4:21 PM EDT | Tornado Warning | ILN | Champaign, Madison, Union | 24 min |
| Apr 17, 4:30 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Madison | 30 min |
| Apr 17, 4:32 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Crawford, Holmes, Knox, Marion, Morrow and 1 more | 58 min |
| Apr 17, 4:36 PM EDT | Tornado Warning | CLE | Ashland, Holmes, Knox, Morrow, Richland | 39 min |
| Apr 17, 4:40 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Madison, Union | 50 min |
| Apr 17, 5:06 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Stark, Summit, Wayne | 39 min |
| Apr 17, 5:15 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking | 60 min |
| Apr 17, 5:26 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox | 34 min |
| Apr 17, 5:33 PM EDT | Tornado Warning | ILN | Licking | 10 min |
| Apr 17, 5:35 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Madison, Pickaway | 25 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, 5:50 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 35 min |
| Apr 17, 5:53 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Pickaway | 52 min |
| Apr 17, 6:20 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Portage, Summit | 40 min |
| Apr 17, 6:24 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking | 66 min |
| Apr 17, 6:40 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking, Pickaway | 50 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, 4.3 hours before the alert went out and 107 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
- 54 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 412 m²/s²
- 0-3 km storm-relative helicity
- 414 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, 10:40 AM EDT | Mesoscale Discussion | SPC | Benton, Carroll, Cass, Clinton, Elkhart, Fountain and 17 more | 65 min |
| Apr 17, 11:50 AM EDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, DeKalb, Delaware, Elkhart and 16 more | 85 min |
| Apr 17, 2:12 PM EDT | Mesoscale Discussion | SPC | Adams, Jay, Randolph, Union, Wayne | 93 min |
| Apr 17, 3:44 PM EDT | Mesoscale Discussion | SPC | Champaign, Clark, Crawford, Delaware, Franklin, Hardin and 9 more | 91 min |
| Apr 17, 3:46 PM EDT | Tornado Watch | SPC | Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 17 more | 7 hr |
| 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 Indiana, 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.