Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Wilmington, OH

July 29, 2021Clark County, Fayette County, Madison County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 29, 2021, 4:48 PM EDT for Clark County, Fayette County, Madison County, Ohio. It was in force for 42 min. 1 report 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
Jul 29, 2021, 4:48 PM EDT (20:48 UTC)
Expired
Jul 29, 2021, 5:30 PM EDT
In force
42 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clark County, OH, Fayette County, OH, Madison County, OH

The radar

The Cincinnati radar (KILN), 47 km from the middle of the area, began a volume at 20:49 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 was reported inside it

TimeReportWhereRemark
Jul 29, 5:17 PM EDTTSTM WND DMG2 Ene Bloomingburg, OHMULTIPLE TREES DOWN ON US-62N. TIME EST FROM RADAR.

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
Jul 29, 3:13 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.8 hours before the alert went out and 45 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 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1163 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 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
1163 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

755 
WUUS51 KILN 292048
SVRILN
OHC023-047-097-292130-
/O.NEW.KILN.SV.W.0075.210729T2048Z-210729T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
448 PM EDT Thu Jul 29 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Northeastern Fayette County in central Ohio...
  Southeastern Clark County in west central Ohio...
  Southwestern Madison County in central Ohio...

* Until 530 PM EDT.

* At 448 PM EDT, a severe thunderstorm was located near South
  Charleston, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  London, South Charleston, Jeffersonville, Bloomingburg, Lisbon,
  South Solon, Midway, Newport, Chenoweth, Interstate 71 at State
  Route 38, Madison Mills and Bookwalter.

This includes I-71 in Ohio between mile markers 68 and 80.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3988 8368 3993 8345 3959 8329 3962 8356
TIME...MOT...LOC 2048Z 325DEG 19KT 3984 8354 

HAIL...1.00IN
WIND...60MPH
 
$$

Hatzos
3 follow-up statements
225 
WWUS51 KILN 292055
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
455 PM EDT Thu Jul 29 2021

OHC023-047-097-292130-
/O.CON.KILN.SV.W.0075.000000T0000Z-210729T2130Z/
Fayette OH-Clark OH-Madison OH-
455 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN FAYETTE...SOUTHEASTERN CLARK AND SOUTHWESTERN
MADISON COUNTIES...

At 455 PM EDT, a severe thunderstorm was located 7 miles southwest of
London, moving southeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
London, South Charleston, Jeffersonville, Bloomingburg, Lisbon,
Midway, Newport, Chenoweth, Interstate 71 at State Route 38, Madison
Mills and Bookwalter.

This includes I-71 in Ohio between mile markers 68 and 80.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3987 8366 3989 8343 3959 8329 3962 8356
TIME...MOT...LOC 2055Z 326DEG 23KT 3980 8351 

HAIL...1.00IN
WIND...60MPH
 
$$

Hatzos
570 
WWUS51 KILN 292108 RRA
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
508 PM EDT Thu Jul 29 2021

OHC023-292118-
/O.CAN.KILN.SV.W.0075.000000T0000Z-210729T2130Z/
Clark OH-
508 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLARK COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Ohio.

LAT...LON 3976 8361 3974 8336 3959 8329 3962 8356
TIME...MOT...LOC 2108Z 322DEG 28KT 3966 8342 

$$

OHC047-097-292130-
/O.CON.KILN.SV.W.0075.000000T0000Z-210729T2130Z/
Fayette OH-Madison OH-
508 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN FAYETTE AND SOUTHWESTERN MADISON COUNTIES...

At 508 PM EDT, a severe thunderstorm was located near Bloomingburg,
moving southeast at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Jeffersonville, Bloomingburg, Midway, Chenoweth, Interstate 71 at
State Route 38, Madison Mills and Bookwalter.

This includes I-71 in Ohio between mile markers 68 and 80.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3976 8361 3974 8336 3959 8329 3962 8356
TIME...MOT...LOC 2108Z 322DEG 28KT 3966 8342 

HAIL...1.00IN
WIND...60MPH
 
$$

Hatzos
207 
WWUS51 KILN 292122
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
522 PM EDT Thu Jul 29 2021

OHC047-097-292131-
/O.EXP.KILN.SV.W.0075.000000T0000Z-210729T2130Z/
Fayette OH-Madison OH-
522 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FAYETTE AND
SOUTHWESTERN MADISON COUNTIES WILL EXPIRE AT 530 PM EDT...
        
An additional severe thunderstorm warning is in effect for portions 
of Fayette County until 545 PM.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Ohio.

Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.

LAT...LON 3976 8361 3974 8336 3959 8329 3962 8356
TIME...MOT...LOC 2121Z 325DEG 19KT 3961 8337 

$$

Hatzos

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 6:30 AM EDTSpecial Weather StatementILNAuglaize, Mercer60 min
Jul 29, 7:19 AM EDTSpecial Weather StatementILNDarke41 min
Jul 29, 9:51 AM EDTSpecial Weather StatementILNLicking39 min
Jul 29, 2:29 PM EDTSpecial Weather StatementILNFranklin31 min
Jul 29, 2:49 PM EDTSevere Thunderstorm WarningILNDelaware, Fairfield, Franklin, Licking41 min
Jul 29, 3:13 PM EDTSpecial Weather StatementILNLicking17 min
Jul 29, 3:13 PM EDTSevere Thunderstorm WarningILNFairfield, Franklin, Pickaway47 min
Jul 29, 3:37 PM EDTSpecial Weather StatementILNDelaware23 min
Jul 29, 3:43 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Licking, Madison, Union24 min
Jul 29, 3:44 PM EDTSpecial Weather StatementILNMadison31 min
Jul 29, 3:50 PM EDTSevere Thunderstorm WarningILNFairfield, Franklin40 min
Jul 29, 3:57 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Madison48 min
Jul 29, 4:06 PM EDTAreal Flood AdvisoryILNFranklin114 min
Jul 29, 4:06 PM EDTSpecial Weather StatementILNLicking24 min
Jul 29, 4:07 PM EDTSpecial Weather StatementILNFranklin23 min
Jul 29, 4:24 PM EDTSevere Thunderstorm WarningILNFairfield, Hocking37 min
Jul 29, 4:35 PM EDTSpecial Weather StatementILNClark, Madison25 min
Jul 29, 4:43 PM EDTSevere Thunderstorm WarningILNFayette, Franklin, Madison, Pickaway47 min
Jul 29, 5:00 PM EDTSevere Thunderstorm WarningILNFayette, Pickaway, Ross45 min
Jul 29, 5:01 PM EDTAreal Flood AdvisoryILNClark, Franklin, Madison, Pickaway85 min
Jul 29, 5:20 PM EDTTornado WarningILNPickaway, Ross25 min
Jul 29, 5:24 PM EDTSevere Thunderstorm WarningILNFayette, Highland, Ross66 min
Jul 29, 5:44 PM EDTSpecial Weather StatementILNGreene31 min
Jul 29, 5:58 PM EDTSevere Thunderstorm WarningILNPike, Ross, Scioto62 min
Jul 29, 6:13 PM EDTSevere Thunderstorm WarningILNClinton, Fayette, Greene47 min
Jul 29, 6:34 PM EDTAreal Flood AdvisoryILNFayette, Greene, Highland, Pickaway, Pike, Ross3 hr
Jul 29, 6:51 PM EDTSpecial Weather StatementILNFayette, Greene24 min
Jul 29, 6:55 PM EDTSpecial Weather StatementILNPike, Scioto35 min
Jul 29, 7:02 PM EDTSpecial Weather StatementILNClinton28 min
Jul 29, 7:25 PM EDTSpecial Weather StatementILNPike, Scioto35 min
Jul 29, 7:26 PM EDTSpecial Weather StatementILNHighland34 min
Jul 29, 7:45 PM EDTAreal Flood AdvisoryILNAdams, Clinton, Fayette, Greene, Highland, Pike and 1 more4 hr
Jul 29, 7:52 PM EDTSpecial Weather StatementILNAdams, Highland38 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Every severe thunderstorm warning in 2021

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.