Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 60, NWS Wilmington, OH

July 16, 20215 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 16, 2021, 2:30 PM EDT for 5 counties in Ohio. It was in force for 45 min. 6 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: Jul 16, 2021, 2:30 PM EDT (18:30 UTC)
Expired: Jul 16, 2021, 3:15 PM EDT
In force: 45 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, OH, Clinton County, OH, Greene County, OH, Montgomery County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 27 km from the middle of the area, began a volume at 18:32 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

Time	Report	Where	Remark
Jul 16, 2:32 PM EDT	TSTM WND DMG	1 Nne Lebanon, OH	MULTIPLE POWER LINES DOWN AND 1 TREE DOWN. TIME ESTIMATED FROM RADAR.
Jul 16, 2:40 PM EDT	TSTM WND DMG	6 Se Springboro, OH	MULTIPLE POWER LINES DOWN AND 1 TREE DOWN. TIME ESTIMATED FROM RADAR.
Jul 16, 2:40 PM EDT	TSTM WND GST 59	Ki68 Lebanon Apt, OH
Jul 16, 2:43 PM EDT	TSTM WND DMG	3 Ssw Waynesville, OH	MULTIPLE POWER LINES DOWN AND 1 TREE DOWN. TIME ESTIMATED FROM RADAR.
Jul 16, 3:20 PM EDT	TSTM WND DMG	5 Ne Harveysburg, OH	TREE DOWNED. TIME ESTIMATED FROM RADAR.
Jul 16, 3:20 PM EDT	TSTM WND DMG	Port William, OH	MULTIPLE POWER LINES DOWN AND 1 TREE DOWN NEAR PORT WILLIAM. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.5 hours before the alert went out and 28 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 291 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 941 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

078 
WUUS51 KILN 161830
SVRILN
OHC017-027-057-113-165-161915-
/O.NEW.KILN.SV.W.0060.210716T1830Z-210716T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
230 PM EDT Fri Jul 16 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  East central Butler County in southwestern Ohio...
  Northern Warren County in southwestern Ohio...
  Northwestern Clinton County in southwestern Ohio...
  Southern Greene County in west central Ohio...
  Southeastern Montgomery County in west central Ohio...

* Until 315 PM EDT.

* At 230 PM EDT, a severe thunderstorm was located over Hunter,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Middletown, Mason, Xenia, Miamisburg, Lebanon, Springboro, Monroe,
  Franklin, Bellbrook, Carlisle, Waynesville, Jamestown, Four
  Bridges, Hunter, Wilberforce, New Jasper, Harveysburg, Spring
  Valley, Corwin and Port William.

This includes the following Interstates...
 I-71 in Ohio between mile markers 32 and 33, and between mile
markers 36 and 57.
 I-75 in Ohio between mile markers 27 and 42.

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 3938 8436 3958 8434 3973 8378 3948 8370
TIME...MOT...LOC 1830Z 245DEG 32KT 3951 8426 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

4 follow-up statements

382 
WWUS51 KILN 161843
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
243 PM EDT Fri Jul 16 2021

OHC017-161853-
/O.CAN.KILN.SV.W.0060.000000T0000Z-210716T1915Z/
Butler OH-
243 PM EDT Fri Jul 16 2021

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

LAT...LON 3940 8421 3961 8422 3973 8378 3948 8370
TIME...MOT...LOC 1843Z 245DEG 32KT 3956 8412 

$$

OHC027-057-113-165-161915-
/O.CON.KILN.SV.W.0060.000000T0000Z-210716T1915Z/
Warren OH-Clinton OH-Greene OH-Montgomery OH-
243 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN WARREN...NORTHWESTERN CLINTON...SOUTHERN GREENE AND
SOUTHEASTERN MONTGOMERY COUNTIES...

At 243 PM EDT, a severe thunderstorm was located over Waynesville,
moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Xenia, Lebanon, Springboro, Bellbrook, Waynesville, Jamestown,
Wilberforce, New Jasper, Harveysburg, Spring Valley, Corwin, Port
William, Centerville, Paintersville, Lytle, Lumberton, Mount Holly,
Oakland, Pekin and Genntown.

This includes I-71 in Ohio between mile markers 32 and 57.
 
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 3940 8421 3961 8422 3973 8378 3948 8370
TIME...MOT...LOC 1843Z 245DEG 32KT 3956 8412 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

346 
WWUS51 KILN 161852
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
252 PM EDT Fri Jul 16 2021

OHC113-161901-
/O.CAN.KILN.SV.W.0060.000000T0000Z-210716T1915Z/
Montgomery OH-
252 PM EDT Fri Jul 16 2021

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

LAT...LON 3958 8411 3964 8411 3973 8378 3948 8370
      3942 8411 3958 8412
TIME...MOT...LOC 1851Z 245DEG 32KT 3959 8403 

$$

OHC027-057-165-161915-
/O.CON.KILN.SV.W.0060.000000T0000Z-210716T1915Z/
Warren OH-Clinton OH-Greene OH-
252 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN WARREN...NORTHWESTERN CLINTON AND SOUTHERN GREENE
COUNTIES...

At 251 PM EDT, a severe thunderstorm was located near Bellbrook,
moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Xenia, Bellbrook, Waynesville, Jamestown, Wilberforce, New Jasper,
Harveysburg, Spring Valley, Corwin, Port William, Paintersville,
Oregonia, Lumberton, Middleton Corner, Mount Holly, Roxanna, Oakland,
Caesar Creek State Park, Kingman and Interstate 71 at US Route 68.

This includes I-71 in Ohio between mile markers 36 and 57.
 
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 3958 8411 3964 8411 3973 8378 3948 8370
      3942 8411 3958 8412
TIME...MOT...LOC 1851Z 245DEG 32KT 3959 8403 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

357 
WWUS51 KILN 161859
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
259 PM EDT Fri Jul 16 2021

OHC027-057-165-161915-
/O.CON.KILN.SV.W.0060.000000T0000Z-210716T1915Z/
Warren OH-Clinton OH-Greene OH-
259 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN WARREN...NORTHWESTERN CLINTON AND SOUTHERN GREENE
COUNTIES...

At 259 PM EDT, a severe thunderstorm was located 7 miles southeast of
Xenia, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Xenia, Jamestown, Wilberforce, New Jasper, Harveysburg, Spring
Valley, Port William, Paintersville, Lumberton, Middleton Corner,
Mount Holly, Roxanna, Oakland, Caesar Creek State Park, Kingman and
Interstate 71 at US Route 68.

This includes I-71 in Ohio between mile markers 40 and 57.
 
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 3973 8378 3948 8370 3943 8404 3966 8405
TIME...MOT...LOC 1859Z 247DEG 33KT 3959 8388 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

371 
WWUS51 KILN 161913
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
313 PM EDT Fri Jul 16 2021

OHC027-057-165-161921-
/O.EXP.KILN.SV.W.0060.000000T0000Z-210716T1915Z/
Warren OH-Clinton OH-Greene OH-
313 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WARREN...
NORTHWESTERN CLINTON AND SOUTHERN GREENE COUNTIES WILL EXPIRE AT 315
PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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.

Remember, a new Severe Thunderstorm Warning still remains in effect 
for eastern Clinton County and eastern Green County. 

LAT...LON 3973 8378 3948 8370 3943 8404 3966 8405
TIME...MOT...LOC 1911Z 245DEG 32KT 3963 8376 

$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 8:27 PM EDT	Special Weather Statement	ILN	Darke	33 min
Jul 16, 3:27 AM EDT	Flash Flood Watch	ILN	Auglaize, Butler, Champaign, Clark, Clermont, Clinton and 17 more	29 hr
Jul 16, 12:54 PM EDT	Special Weather Statement	ILN	Highland	36 min
Jul 16, 1:21 PM EDT	Special Weather Statement	ILN	Clinton	24 min
Jul 16, 1:48 PM EDT	Special Weather Statement	ILN	Preble	27 min
Jul 16, 2:06 PM EDT	Special Weather Statement	ILN	Butler	24 min
Jul 16, 2:07 PM EDT	Special Weather Statement	ILN	Scioto	38 min
Jul 16, 2:18 PM EDT	Special Weather Statement	ILN	Montgomery	27 min
Jul 16, 2:27 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Greene, Montgomery	48 min
Jul 16, 2:36 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clermont, Hamilton	39 min
Jul 16, 2:48 PM EDT	Special Weather Statement	ILN	Clinton	27 min
Jul 16, 3:05 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Highland, Warren	25 min
Jul 16, 3:08 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Madison	34 min
Jul 16, 3:08 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont, Hamilton	24 min
Jul 16, 3:14 PM EDT	Special Weather Statement	ILN	Pike	16 min
Jul 16, 3:15 PM EDT	Special Weather Statement	ILN	Brown	15 min
Jul 16, 3:30 PM EDT	Special Weather Statement	ILN	Highland	30 min
Jul 16, 3:32 PM EDT	Special Weather Statement	ILN	Franklin	28 min
Jul 16, 3:57 PM EDT	Special Weather Statement	ILN	Highland	33 min
Jul 16, 4:03 PM EDT	Special Weather Statement	ILN	Licking	27 min
Jul 16, 4:16 PM EDT	Special Weather Statement	ILN	Ross	29 min
Jul 16, 4:21 PM EDT	Special Weather Statement	ILN	Licking	9 min
Jul 16, 4:39 PM EDT	Special Weather Statement	ILN	Ross	36 min
Jul 16, 4:54 PM EDT	Areal Flood Advisory	ILN	Adams	3 hr
Jul 16, 5:03 PM EDT	Special Weather Statement	ILN	Adams	27 min
Jul 16, 5:23 PM EDT	Flash Flood Warning	ILN	Adams	2 hr
Jul 16, 5:23 PM EDT	Special Weather Statement	ILN	Pike	37 min
Jul 16, 5:30 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Pike, Ross, Scioto	30 min
Jul 16, 5:55 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Scioto	18 min
Jul 16, 6:11 PM EDT	Areal Flood Advisory	ILN	Pike, Scioto	101 min
Jul 16, 6:31 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	44 min
Jul 16, 6:39 PM EDT	Areal Flood Advisory	ILN	Darke, Preble	112 min
Jul 16, 7:12 PM EDT	Special Weather Statement	ILN	Hamilton	33 min
Jul 16, 7:34 PM EDT	Areal Flood Advisory	ILN	Butler, Preble	54 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021 Every 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.