Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 77, NWS Wilmington, OH

July 29, 2021Fayette County, Highland County, Ross County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 29, 2021, 5:24 PM EDT for Fayette County, Highland County, Ross County, Ohio. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 29, 2021, 5:24 PM EDT (21:24 UTC)
Expired
Jul 29, 2021, 6:30 PM EDT
In force
66 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Fayette County, OH, Highland County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 56 km from the middle of the area, began a volume at 21:28 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.

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, 9.4 hours before the alert went out and 54 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.

905 
WUUS51 KILN 292124
SVRILN
OHC047-071-141-292230-
/O.NEW.KILN.SV.W.0077.210729T2124Z-210729T2230Z/

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

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southeastern Fayette County in central Ohio...
  Northeastern Highland County in southwestern Ohio...
  Ross County in southwestern Ohio...

* Until 630 PM EDT.

* At 524 PM EDT, a severe thunderstorm was located near New Holland,
  moving southeast at 35 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Chillicothe, Washington Court House, Greenfield, Leesburg,
  Kingston, Bainbridge, New Holland, North Folk Village, Staunton,
  Good Hope, Frankfort, Clarksburg, South Salem, East Monroe,
  Mooresville, Austin, Knockemstiff, Rock Mills, Massieville and New
  Martinsburg.

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 3920 8341 3934 8356 3959 8357 3958 8326
      3952 8327 3951 8298 3950 8298 3948 8300
      3948 8290 3941 8285 3917 8285
TIME...MOT...LOC 2124Z 329DEG 29KT 3951 8327 

HAIL...1.00IN
WIND...70MPH
 
$$

Hatzos
5 follow-up statements
789 
WWUS51 KILN 292137
SVSILN

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

OHC047-071-141-292230-
/O.CON.KILN.SV.W.0077.000000T0000Z-210729T2230Z/
Fayette OH-Highland OH-Ross OH-
537 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN FAYETTE...NORTHEASTERN HIGHLAND AND ROSS COUNTIES...

At 536 PM EDT, a severe thunderstorm was located 9 miles south of New
Holland, moving southeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Chillicothe, Washington Court House, Greenfield, Leesburg, Kingston,
Bainbridge, New Holland, North Folk Village, Staunton, Good Hope,
Frankfort, Clarksburg, South Salem, East Monroe, Mooresville, Austin,
Knockemstiff, Rock Mills, Massieville and New Martinsburg.

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 3920 8341 3934 8356 3959 8357 3958 8326
      3952 8327 3951 8298 3950 8298 3948 8300
      3948 8290 3941 8285 3917 8285
TIME...MOT...LOC 2136Z 329DEG 29KT 3942 8320 

HAIL...1.00IN
WIND...70MPH
 
$$

Hatzos
276 
WWUS51 KILN 292147
SVSILN

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

OHC047-071-141-292230-
/O.CON.KILN.SV.W.0077.000000T0000Z-210729T2230Z/
Fayette OH-Highland OH-Ross OH-
547 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN FAYETTE...NORTHEASTERN HIGHLAND AND ROSS COUNTIES...

At 547 PM EDT, a severe thunderstorm was located near North Folk
Village, moving southeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Chillicothe, Greenfield, Kingston, Bainbridge, North Folk Village,
Good Hope, Frankfort, Clarksburg, South Salem, Bourneville,
Andersonville, Mooresville, Rainsboro, Lattaville, Austin, Paint
Creek State Park, Summithill, Knockemstiff, Rock Mills and
Massieville.

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 3920 8341 3928 8348 3951 8345 3952 8327
      3948 8300 3948 8290 3941 8285 3917 8285
TIME...MOT...LOC 2147Z 321DEG 30KT 3934 8312 

HAIL...1.00IN
WIND...70MPH
 
$$

Hatzos
088 
WWUS51 KILN 292207
SVSILN

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

OHC047-071-141-292230-
/O.CON.KILN.SV.W.0077.000000T0000Z-210729T2230Z/
Fayette OH-Highland OH-Ross OH-
607 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN FAYETTE...NORTHEASTERN HIGHLAND AND ROSS COUNTIES...

At 607 PM EDT, a severe thunderstorm was located near Waverly, moving
southeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Chillicothe, Greenfield, Bainbridge, North Folk Village, Good Hope,
Frankfort, South Salem, Bourneville, Rainsboro, Lattaville, Austin,
Paint Creek State Park, Summithill, Knockemstiff, Rock Mills,
Massieville, New Martinsburg, Scioto Trail State Park and
Andersonville.

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 3920 8341 3928 8348 3944 8346 3949 8328
      3949 8316 3941 8300 3936 8287 3917 8285
TIME...MOT...LOC 2207Z 329DEG 29KT 3920 8301 

HAIL...1.00IN
WIND...70MPH
 
$$

Hatzos
688 
WWUS51 KILN 292215
SVSILN

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

OHC047-071-141-292230-
/O.CON.KILN.SV.W.0077.000000T0000Z-210729T2230Z/
Fayette OH-Highland OH-Ross OH-
615 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL FAYETTE...NORTHEASTERN HIGHLAND AND WESTERN ROSS
COUNTIES...

At 615 PM EDT, a severe thunderstorm was located near Bainbridge,
moving southeast at 30 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...
Chillicothe, Greenfield, Bainbridge, North Folk Village, Frankfort,
South Salem, Bourneville, Rainsboro, Lattaville, Austin, Paint Creek
State Park, Summithill, Knockemstiff and Massieville.

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 3920 8341 3928 8348 3940 8346 3945 8327
      3944 8316 3933 8297 3918 8296
TIME...MOT...LOC 2215Z 313DEG 27KT 3931 8316 

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

Hatzos
107 
WWUS51 KILN 292226
SVSILN

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

OHC047-071-141-292235-
/O.EXP.KILN.SV.W.0077.000000T0000Z-210729T2230Z/
Fayette OH-Highland OH-Ross OH-
626 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL FAYETTE...
NORTHEASTERN HIGHLAND AND WESTERN ROSS COUNTIES WILL EXPIRE AT 630 PM
EDT...
        
The storm which prompted the warning is moving out of the warned 
area. An additional severe thunderstorm warning remains in effect 
for southern Ross County until 7 PM.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central and southwestern 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 3920 8341 3928 8348 3940 8346 3945 8327
      3944 8316 3933 8297 3918 8296
TIME...MOT...LOC 2225Z 329DEG 29KT 3924 8311 

$$

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, 4:48 PM EDTSevere Thunderstorm WarningILNClark, Fayette, Madison42 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, 5:44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.