Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Wilmington, OH

July 16, 20214 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 16, 2021, 3:08 PM EDT for 4 counties in Ohio. It was in force for 34 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 16, 2021, 3:08 PM EDT (19:08 UTC)
Expired: Jul 16, 2021, 3:42 PM EDT
In force: 34 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clinton County, OH, Fayette County, OH, Greene County, OH, Madison County, OH

The radar

The Cincinnati radar (KILN), 41 km from the middle of the area, began a volume at 19:10 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 was reported inside it

Time	Report	Where	Remark
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, 7.1 hours before the alert went out and 39 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.

762 
WUUS51 KILN 161908
SVRILN
OHC027-047-057-097-162000-
/O.NEW.KILN.SV.W.0063.210716T1908Z-210716T2000Z/

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

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Fayette County in central Ohio...
  Northern Clinton County in southwestern Ohio...
  Southeastern Greene County in west central Ohio...
  Southern Madison County in central Ohio...

* Until 400 PM EDT.

* At 308 PM EDT, a severe thunderstorm was located near Jamestown,
  moving northeast at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Xenia, Washington Court House, Wilmington, London, Sabina,
  Jamestown, Mount Sterling, Jeffersonville, Bloomingburg, New
  Holland, Wilberforce, New Jasper, South Solon, Midway, Bowersville,
  Port William, Milledgeville, Octa, Paintersville and Newport.

This includes I-71 in Ohio between mile markers 47 and 88.
 
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 3954 8327 3944 8392 3969 8391 3978 8368
      3977 8359 3982 8357 3994 8326 3981 8324
TIME...MOT...LOC 1908Z 244DEG 38KT 3958 8373 

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

Campbell

4 follow-up statements

238 
WWUS51 KILN 161919
SVSILN

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

OHC027-047-057-097-162000-
/O.CON.KILN.SV.W.0063.000000T0000Z-210716T2000Z/
Fayette OH-Clinton OH-Greene OH-Madison OH-
319 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR FAYETTE...NORTHEASTERN CLINTON...SOUTHEASTERN GREENE AND SOUTHERN
MADISON COUNTIES...

At 318 PM EDT, a severe thunderstorm was located over Jeffersonville,
moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Washington Court House, Wilmington, London, Sabina, Jamestown, Mount
Sterling, Jeffersonville, Bloomingburg, New Holland, New Jasper,
South Solon, Midway, Bowersville, Port William, Milledgeville, Octa,
Paintersville, Newport, Melvin and Chenoweth.

This includes I-71 in Ohio between mile markers 52 and 88.
 
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 3945 8384 3972 8383 3978 8368 3977 8359
      3982 8357 3994 8326 3981 8324 3954 8327
TIME...MOT...LOC 1918Z 244DEG 38KT 3963 8360 

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

Campbell

788 
WWUS51 KILN 161927
SVSILN

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

OHC027-057-161937-
/O.CAN.KILN.SV.W.0063.000000T0000Z-210716T2000Z/
Clinton OH-Greene OH-
327 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLINTON AND
SOUTHEASTERN GREENE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3954 8327 3949 8358 3954 8358 3955 8367
      3977 8365 3977 8359 3982 8357 3994 8326
      3986 8325 3977 8325
TIME...MOT...LOC 1927Z 244DEG 38KT 3967 8348 

$$

OHC047-097-162000-
/O.CON.KILN.SV.W.0063.000000T0000Z-210716T2000Z/
Fayette OH-Madison OH-
327 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR FAYETTE AND SOUTHERN MADISON COUNTIES...

At 327 PM EDT, a severe thunderstorm was located near Jeffersonville,
moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Washington Court House, London, Mount Sterling, Jeffersonville,
Bloomingburg, New Holland, South Solon, Midway, Milledgeville, Octa,
Newport, Chenoweth, Interstate 71 at State Route 38, Lilly Chapel,
Jasper Mills, Madison Mills, Madison Lake, Bookwalter, Big Plain and
Shady Grove.

This includes I-71 in Ohio between mile markers 62 and 87.
 
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 3954 8327 3949 8358 3954 8358 3955 8367
      3977 8365 3977 8359 3982 8357 3994 8326
      3986 8325 3977 8325
TIME...MOT...LOC 1927Z 244DEG 38KT 3967 8348 

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

Campbell

984 
WWUS51 KILN 161936
SVSILN

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

OHC047-097-162000-
/O.CON.KILN.SV.W.0063.000000T0000Z-210716T2000Z/
Fayette OH-Madison OH-
336 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHEASTERN FAYETTE AND SOUTHERN MADISON COUNTIES...

At 335 PM EDT, a severe thunderstorm was located near Mount Sterling,
moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
London, Mount Sterling, Bloomingburg, Midway, Newport, Chenoweth,
Interstate 71 at State Route 38, Madison Mills, Madison Lake, Lilly
Chapel, Bookwalter and Big Plain.

This includes I-71 in Ohio between mile markers 71 and 87.
 
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 3965 8326 3958 8348 3963 8352 3977 8359
      3982 8357 3994 8326 3986 8325 3977 8325
TIME...MOT...LOC 1935Z 244DEG 38KT 3971 8337 

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

Campbell

235 
WWUS51 KILN 161942
SVSILN

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

OHC047-097-161951-
/O.CAN.KILN.SV.W.0063.000000T0000Z-210716T2000Z/
Fayette OH-Madison OH-
342 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FAYETTE AND
SOUTHERN MADISON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

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 3965 8326 3958 8348 3963 8352 3977 8359
      3982 8357 3994 8326 3986 8325 3977 8325
TIME...MOT...LOC 1939Z 244DEG 38KT 3974 8328 

$$

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, 2:30 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clinton, Greene, Montgomery, Warren	45 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	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.