Alert archive / Ohio / Tornado Warnings in 2023

Tornado Warning 21, NWS Cleveland, OH

August 12, 2023Ashland County, Knox County, Richland County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 12, 2023, 2:40 PM EDT for Ashland County, Knox County, Richland County, Ohio. It was in force for 35 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 12, 2023, 2:40 PM EDT (18:40 UTC)
Expired
Aug 12, 2023, 3:15 PM EDT
In force
35 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Ashland County, OH, Knox County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 101 km from the middle of the area, began a volume at 18:40 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 was reported inside it

TimeReportWhereRemark
Aug 12, 2:53 PM EDTTSTM WND DMGPerrysville, OHA tree limb poked through the roof and ceiling of a home and extended into a bedroom. The photo was shared on social media by a broadcast meteorologist.
Aug 12, 2:53 PM EDTHAIL 1Perrysville, OHDelayed report.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 12, 12:50 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 179 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 2023-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1893 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2023-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897Sfc1 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
1893 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

294 
WFUS51 KCLE 121840
TORCLE
OHC005-083-139-121915-
/O.NEW.KCLE.TO.W.0021.230812T1840Z-230812T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
240 PM EDT Sat Aug 12 2023

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Southeastern Richland County in north central Ohio...
  South central Ashland County in north central Ohio...
  Northeastern Knox County in north central Ohio...

* Until 315 PM EDT.
    
* At 240 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Bellville, or 9 miles south of Mansfield, moving
  east at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Loudonville around 310 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Butler, North Liberty and Perrysville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4057 8254 4065 8251 4067 8222 4057 8222
      4057 8218 4052 8218 4048 8219
TIME...MOT...LOC 1840Z 273DEG 23KT 4063 8249 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

 Garuckas
3 follow-up statements
947 
WWUS51 KCLE 121854
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
254 PM EDT Sat Aug 12 2023

OHC005-083-139-121915-
/O.CON.KCLE.TO.W.0021.000000T0000Z-230812T1915Z/
Richland OH-Ashland OH-Knox OH-
254 PM EDT Sat Aug 12 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
SOUTHEASTERN RICHLAND...SOUTH CENTRAL ASHLAND AND NORTHEASTERN KNOX
COUNTIES...
        
At 253 PM EDT, a confirmed tornado was located near Loudonville, or
13 miles southeast of Mansfield, moving east at 30 mph.

HAZARD...Damaging tornado and golf ball size hail.

SOURCE...Spotters confirmed a tornado south of Mansfield.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Loudonville around 310 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Butler, Perrysville and North Liberty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4054 8242 4066 8243 4067 8222 4057 8222
      4057 8218 4052 8218 4049 8219 4051 8229
TIME...MOT...LOC 1853Z 274DEG 24KT 4062 8236 

TORNADO...OBSERVED
MAX HAIL SIZE...1.75 IN

$$

 Garuckas
901 
WWUS51 KCLE 121903
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
303 PM EDT Sat Aug 12 2023

OHC139-121912-
/O.CAN.KCLE.TO.W.0021.000000T0000Z-230812T1915Z/
Richland OH-
303 PM EDT Sat Aug 12 2023

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM EDT for north central
and northeastern Ohio.

LAT...LON 4052 8234 4066 8234 4067 8222 4057 8222
      4057 8218 4052 8218 4049 8219
TIME...MOT...LOC 1902Z 280DEG 24KT 4058 8227 

$$

OHC005-083-121915-
/O.CON.KCLE.TO.W.0021.000000T0000Z-230812T1915Z/
Ashland OH-Knox OH-
303 PM EDT Sat Aug 12 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR SOUTH
CENTRAL ASHLAND AND NORTHEASTERN KNOX COUNTIES...
        
At 302 PM EDT, a confirmed tornado was located near Loudonville, or
17 miles northeast of Mount Vernon, moving east at 30 mph.

HAZARD...Damaging tornado and golf ball size hail.

SOURCE...A confirmed tornado occured in Richland County south of 
         Mansfield at 2:44 PM EDT.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
south central Ashland and northeastern Knox Counties, including the
following locations... Perrysville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4052 8234 4066 8234 4067 8222 4057 8222
      4057 8218 4052 8218 4049 8219
TIME...MOT...LOC 1902Z 280DEG 24KT 4058 8227 

TORNADO...OBSERVED
MAX HAIL SIZE...1.75 IN

$$
303 
WWUS51 KCLE 121915
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
315 PM EDT Sat Aug 12 2023

OHC005-083-121925-
/O.EXP.KCLE.TO.W.0021.000000T0000Z-230812T1915Z/
Ashland OH-Knox OH-
315 PM EDT Sat Aug 12 2023

...THE TORNADO WARNING FOR SOUTH CENTRAL ASHLAND AND NORTHEASTERN
KNOX COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

A Tornado Watch remains in effect until 900 PM EDT for north central
and northeastern Ohio.

LAT...LON 4052 8234 4066 8234 4067 8222 4057 8222
      4057 8218 4052 8218 4049 8219
TIME...MOT...LOC 1915Z 273DEG 23KT 4058 8217 

$$

 Garuckas

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 8:11 PM EDTSpecial Weather StatementCLEErie49 min
Aug 11, 9:29 PM EDTSpecial Weather StatementCLEMahoning, Stark61 min
Aug 11, 10:09 PM EDTAreal Flood AdvisoryCLEMahoning, Stark3 hr
Aug 11, 11:07 PM EDTAreal Flood AdvisoryCLEErie5 hr
Aug 12, 12:22 AM EDTAreal Flood AdvisoryCLELorain, Medina3 hr
Aug 12, 11:54 AM EDTSpecial Weather StatementCLEHancock66 min
Aug 12, 11:57 AM EDTSevere Thunderstorm WarningCLEHancock48 min
Aug 12, 12:22 PM EDTSevere Thunderstorm WarningCLEHancock, Wood25 min
Aug 12, 12:29 PM EDTSevere Thunderstorm WarningCLECrawford, Hancock, Seneca, Wyandot46 min
Aug 12, 12:32 PM EDTSevere Thunderstorm WarningCLECrawford, Marion, Wyandot58 min
Aug 12, 12:44 PM EDTSpecial Weather StatementCLECuyahoga, Geauga46 min
Aug 12, 12:50 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake40 min
Aug 12, 12:58 PM EDTTornado Warning Tornado observedCLEMarion32 min
Aug 12, 1:02 PM EDTSevere Thunderstorm WarningCLECrawford, Erie, Huron, Sandusky, Seneca, Wyandot43 min
Aug 12, 1:23 PM EDTSpecial Marine WarningCLE2 hr
Aug 12, 1:23 PM EDTTornado Warning Tornado observedCLEMarion37 min
Aug 12, 1:26 PM EDTSevere Thunderstorm WarningCLELucas26 min
Aug 12, 1:29 PM EDTSevere Thunderstorm Warning Considerable damage threatCLEErie, Huron, Lorain46 min
Aug 12, 1:29 PM EDTSevere Thunderstorm WarningCLECrawford, Marion, Morrow, Wyandot46 min
Aug 12, 1:38 PM EDTSevere Thunderstorm Warning Destructive damage threatCLEErie12 min
Aug 12, 1:39 PM EDTFlash Flood WarningCLEErie5 hr
Aug 12, 1:40 PM EDTTornado WarningCLECrawford, Marion18 min
Aug 12, 1:42 PM EDTSevere Thunderstorm WarningCLEAshland, Huron, Lorain, Richland48 min
Aug 12, 1:57 PM EDTSpecial Marine WarningCLE63 min
Aug 12, 1:57 PM EDTSpecial Weather StatementCLEHancock, Wyandot48 min
Aug 12, 2:01 PM EDTSpecial Weather StatementCLESeneca44 min
Aug 12, 2:07 PM EDTSevere Thunderstorm WarningCLEAshland, Morrow, Richland53 min
Aug 12, 2:10 PM EDTSevere Thunderstorm WarningCLECuyahoga, Erie, Huron, Lorain, Medina30 min
Aug 12, 2:18 PM EDTSevere Thunderstorm WarningCLEAshland, Lorain, Medina, Wayne42 min
Aug 12, 2:18 PM EDTTornado WarningCLEAshland, Morrow, Richland42 min
Aug 12, 2:21 PM EDTSevere Thunderstorm WarningCLECrawford, Hancock, Seneca, Wyandot39 min
Aug 12, 2:48 PM EDTSpecial Marine WarningCLE87 min
Aug 12, 2:52 PM EDTSpecial Weather StatementCLEGeauga, Lake38 min
Aug 12, 3:00 PM EDTTornado Warning Tornado observedCLEHolmes45 min
Aug 12, 3:02 PM EDTSpecial Weather StatementCLECrawford43 min
Aug 12, 3:04 PM EDTSpecial Weather StatementCLESandusky41 min
Aug 12, 3:07 PM EDTSpecial Weather StatementCLEWayne38 min
Aug 12, 3:15 PM EDTSpecial Weather StatementCLEHuron45 min
Aug 12, 3:17 PM EDTSpecial Weather StatementCLEMedina, Summit43 min
Aug 12, 3:32 PM EDTSevere Thunderstorm WarningCLEMedina, Summit28 min
Aug 12, 3:33 PM EDTTornado WarningCLEHolmes42 min
Aug 12, 3:42 PM EDTSevere Thunderstorm WarningCLEAshland, Huron, Richland48 min
Aug 12, 3:49 PM EDTSevere Thunderstorm WarningCLEPortage, Summit41 min
Aug 12, 3:59 PM EDTAreal Flood AdvisoryCLECuyahoga, Lake, Lorain3 hr
Aug 12, 4:01 PM EDTTornado WarningCLEPortage29 min
Aug 12, 4:08 PM EDTSevere Thunderstorm WarningCLEHolmes52 min
Aug 12, 4:20 PM EDTSevere Thunderstorm WarningCLEAshland, Wayne22 min
Aug 12, 4:27 PM EDTTornado WarningCLEMahoning, Portage53 min
Aug 12, 4:42 PM EDTSpecial Weather StatementCLETrumbull33 min
Aug 12, 4:49 PM EDTSevere Thunderstorm WarningCLETrumbull26 min
Aug 12, 5:01 PM EDTSpecial Weather StatementCLECrawford, Richland, Wyandot59 min
Aug 12, 5:17 PM EDTAreal Flood AdvisoryCLEMahoning3 hr
Aug 12, 5:20 PM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Richland, Wayne55 min
Aug 12, 5:26 PM EDTSpecial Weather StatementCLEStark34 min
Aug 12, 5:36 PM EDTAreal Flood AdvisoryCLEStark3 hr
Aug 12, 6:11 PM EDTFlash Flood WarningCLEHolmes3 hr
Aug 12, 6:13 PM EDTSevere Thunderstorm WarningCLEHolmes47 min
Aug 12, 6:25 PM EDTSpecial Weather StatementCLEStark50 min
Aug 12, 6:34 PM EDTFlash Flood WarningCLEStark3 hr

Nearby

Tornado Warnings in Ohio, 2023Every tornado warning in 2023Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.