Alert archive / Ohio / Tornado Watches in 2023
Tornado Watch 100
The Storm Prediction Center issued this tornado watch at Mar 31, 2023, 11:09 PM EDT for 8 counties in Indiana; 9 counties in Kentucky; 21 counties in Ohio. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2023, 11:09 PM EDT (03:09 UTC)
- Expired
- Apr 1, 2023, 2:47 AM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 38 counties
Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley 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, Owen County, KY, Pendleton County, KY, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Logan County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 03:10 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
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 11:13 PM EDT | Severe Thunderstorm Warning | IWX | Paulding | 47 min |
| Mar 31, 11:31 PM EDT | Tornado Warning | IWX | Paulding | 29 min |
| Mar 31, 11:41 PM EDT | Tornado Warning | IWX | Defiance, Paulding | 34 min |
| Apr 1, 12:03 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 57 min |
| Apr 1, 12:05 AM EDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Paulding, Putnam | 55 min |
| Apr 1, 12:11 AM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Union, Wayne | 49 min |
| Apr 1, 12:12 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer, Miami, Shelby | 63 min |
| Apr 1, 12:16 AM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Ohio, Ripley, Switzerland | 44 min |
| Apr 1, 12:34 AM EDT | Severe Thunderstorm Warning | ILN | Switzerland | 56 min |
| Apr 1, 12:44 AM EDT | Tornado Warning | ILN | Auglaize, Mercer | 31 min |
| Apr 1, 12:49 AM EDT | Severe Thunderstorm Warning | ILN | Franklin, Union | 41 min |
| Apr 1, 12:50 AM EDT | Severe Thunderstorm Warning | ILN | Clermont, Clinton, Greene, Hamilton, Warren | 40 min |
| Apr 1, 12:52 AM EDT | Tornado Warning | IWX | Allen, Van Wert | 23 min |
| Apr 1, 12:58 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam | 15 min |
| Apr 1, 1:03 AM EDT | Tornado Warning | ILN | Miami | 27 min |
| Apr 1, 1:06 AM EDT | Severe Thunderstorm Warning | ILN | Bracken, Campbell, Pendleton, Robertson | 39 min |
| Apr 1, 1:06 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Hardin, Logan, Madison, Miami and 2 more | 39 min |
| Apr 1, 1:08 AM EDT | Tornado Warning | ILN | Miami | 15 min |
| Apr 1, 1:19 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Greene, Madison, Miami, Montgomery | 41 min |
| Apr 1, 1:30 AM EDT | Tornado Warning | ILN | Champaign | 18 min |
| Apr 1, 1:36 AM EDT | Severe Thunderstorm Warning | ILN | Bracken, Lewis, Mason, Robertson | 54 min |
| Apr 1, 1:41 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Delaware, Hardin, Logan, Madison, Union | 49 min |
| Apr 1, 1:51 AM EDT | Severe Thunderstorm Warning | ILN | Brown, Clermont, Clinton, Fayette, Greene, Highland and 2 more | 39 min |
| Apr 1, 2:19 AM EDT | Severe Thunderstorm Warning | ILN | Bracken, Mason, Pendleton, Robertson | 41 min |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.2 hours before the alert went out and 63 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 456 m²/s²
- 0-3 km storm-relative helicity
- 400 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 |
|---|---|---|---|---|
| Mar 31, 8:54 PM EDT | Mesoscale Discussion | SPC | Benton, Fountain, Jasper, Lake, Newton, Parke and 5 more | 2 hr |
| Mar 31, 10:31 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 62 more | 119 min |
| Apr 1, 12:20 AM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 31 more | 115 min |
| Apr 1, 2:49 AM EDT | Tornado Watch | SPC | Bell, Clay, Jackson, Knox, Laurel, McCreary and 5 more | 4 hr |
| Apr 1, 12:57 AM EDT | Mesoscale Discussion | SPC | Ashland, Athens, Coshocton, Crawford, Delaware, Erie and 34 more | 3 hr |
| Apr 1, 11:15 AM EDT | Mesoscale Discussion | SPC | Ashtabula, Belmont, Carroll, Columbiana, Cuyahoga, Geauga and 14 more | 3 hr |
| Apr 1, 11:59 AM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 15 more | 5 hr |
Nearby
Tornado Watches in Ohio, 2023Tornado Watches in Kentucky, 2023Tornado Watches in Indiana, 2023Every tornado watch in 2023
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.