Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 40, NWS Wilmington, OH

June 18, 20216 counties in Kentucky; 5 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 18, 2021, 9:49 PM EDT for 6 counties in Kentucky; 5 counties in Ohio. It was in force for 56 min. 3 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: Jun 18, 2021, 9:49 PM EDT (01:49 UTC)
Expired: Jun 18, 2021, 10:45 PM EDT
In force: 56 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Bracken County, KY, Campbell County, KY, Lewis County, KY, Mason County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Pike County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 97 km from the middle of the area, began a volume at 01:51 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
Jun 18, 10:15 PM EDT	TSTM WND DMG	2 Ese Maysville, KY	NUMEROUS TREES AND POWER POLES DOWN EAST OF MAYSVILLE ALONG KENTUCKY 8 AND 10.
Jun 18, 10:26 PM EDT	TSTM WND GST 67	Kfgx Fleming-Mason Apt, KY	GUST REPORTED IN 1035 PM OBSERVATION. EXACT TIME OF GUST ESTIMATED BASED ON RADAR.
Jun 18, 10:49 PM EDT	TSTM WND DMG	5 Ssw Vanceburg, KY	NUMEROUS TREES DOWN ACROSS ROADS THROUGHOUT LEWIS COUNTY.TIME ESTIMATED FROM RADAR DATA.

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.

Issued	Product	Office	Lasted
Jun 18, 9:09 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 18, 4:02 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.8 hours before the alert went out and 98 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: 2257 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 17.6

Open this sounding in Storm Lab

The text

As transmitted.

552 
WUUS51 KILN 190149
SVRILN
KYC023-037-135-161-191-201-OHC001-015-025-131-145-190245-
/O.NEW.KILN.SV.W.0040.210619T0149Z-210619T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
949 PM EDT Fri Jun 18 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Mason County in northern Kentucky...
  Robertson County in northern Kentucky...
  Lewis County in northeastern Kentucky...
  Bracken County in northern Kentucky...
  Southern Campbell County in northern Kentucky...
  Eastern Pendleton County in northern Kentucky...
  Southern Clermont County in southwestern Ohio...
  Brown County in southwestern Ohio...
  Adams County in southwestern Ohio...
  Southwestern Pike County in southwestern Ohio...
  Western Scioto County in southwestern Ohio...

* Until 1045 PM EDT.

* At 948 PM EDT, severe thunderstorms were located along a line
  extending from Seaman to near Felicity, moving southeast at 50 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Portsmouth, Maysville, Georgetown, Falmouth, Claryville,
  Washington, West Union, Manchester, Peebles, Ripley, Aberdeen,
  Vanceburg, Augusta, Winchester, Seaman, Felicity, Lewisburg,
  Brooksville, Butler and Camp Dix.

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.

&&

A Tornado Watch remains in effect until 1100 PM EDT for southwestern
Ohio.

LAT...LON 3840 8341 3838 8345 3843 8358 3852 8363
      3846 8386 3849 8393 3842 8400 3848 8417
      3856 8417 3858 8421 3857 8429 3887 8445
      3889 8444 3905 8306 3873 8300 3873 8303
      3855 8310 3843 8324 3834 8323 3832 8334
TIME...MOT...LOC 0148Z 327DEG 42KT 3895 8359 3889 8412 

HAIL...0.75IN
WIND...70MPH
 
$$

Campbell

2 follow-up statements

527 
WWUS51 KILN 190224
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1024 PM EDT Fri Jun 18 2021

KYC037-OHC131-190233-
/O.CAN.KILN.SV.W.0040.000000T0000Z-210619T0245Z/
Campbell KY-Pike OH-
1024 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CAMPBELL AND
SOUTHWESTERN PIKE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM EDT for southwestern
Ohio.

A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
northern and northeastern Kentucky...and southwestern Ohio.

LAT...LON 3840 8341 3838 8345 3843 8358 3852 8363
      3846 8386 3849 8393 3842 8400 3848 8417
      3856 8416 3858 8421 3857 8429 3879 8428
      3896 8306 3873 8300 3873 8303 3855 8310
      3843 8324 3834 8323 3832 8334
TIME...MOT...LOC 0223Z 327DEG 42KT 3862 8332 3856 8385 

$$

KYC023-135-161-191-201-OHC001-015-025-145-190245-
/O.CON.KILN.SV.W.0040.000000T0000Z-210619T0245Z/
Mason KY-Robertson KY-Lewis KY-Bracken KY-Pendleton KY-Clermont OH-
Brown OH-Adams OH-Scioto OH-
1024 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR MASON...ROBERTSON...LEWIS...BRACKEN...SOUTHEASTERN PENDLETON...
SOUTH CENTRAL CLERMONT...SOUTHERN BROWN...ADAMS AND WESTERN SCIOTO
COUNTIES...

At 1023 PM EDT, severe thunderstorms were located along a line
extending from Vanceburg to near Washington, moving southeast at 50
mph.

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

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Portsmouth, Maysville, Georgetown, Washington, West Union,
Manchester, Ripley, Aberdeen, Vanceburg, Augusta, Lewisburg,
Brooksville, Camp Dix, Head of Grassy, Rome, Foxport, Tollesboro,
Blue Creek, Decatur and Russellville.

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.

&&

A Tornado Watch remains in effect until 1100 PM EDT for southwestern
Ohio.

LAT...LON 3840 8341 3838 8345 3843 8358 3852 8363
      3846 8386 3849 8393 3842 8400 3848 8417
      3856 8416 3858 8421 3857 8429 3879 8428
      3896 8306 3873 8300 3873 8303 3855 8310
      3843 8324 3834 8323 3832 8334
TIME...MOT...LOC 0223Z 327DEG 42KT 3862 8332 3856 8385 

HAIL...0.75IN
WIND...70MPH
 
$$

Campbell

093 
WWUS51 KILN 190241
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1041 PM EDT Fri Jun 18 2021

KYC023-135-161-191-201-OHC001-015-025-145-190248-
/O.EXP.KILN.SV.W.0040.000000T0000Z-210619T0245Z/
Mason KY-Robertson KY-Lewis KY-Bracken KY-Pendleton KY-Clermont OH-
Brown OH-Adams OH-Scioto OH-
1041 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR MASON...ROBERTSON...LEWIS...
BRACKEN...SOUTHEASTERN PENDLETON...SOUTH CENTRAL CLERMONT...SOUTHERN
BROWN...ADAMS AND WESTERN SCIOTO COUNTIES WILL EXPIRE AT 1045 PM
EDT...

An additional severe thunderstorm warning remains in effect until 
1115 PM for Mason, Robertson, Lewis, Adams, and Scioto counties.

A Tornado Watch remains in effect until 1100 PM EDT for southwestern
Ohio.

A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
northern and northeastern Kentucky...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 3840 8341 3838 8345 3843 8358 3852 8363
      3846 8386 3849 8393 3842 8400 3848 8417
      3856 8416 3858 8421 3857 8429 3879 8428
      3896 8306 3873 8300 3873 8303 3855 8310
      3843 8324 3834 8323 3832 8334
TIME...MOT...LOC 0238Z 327DEG 42KT 3849 8322 3843 8375 

$$

Hatzos

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 8:56 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Gallatin	34 min
Jun 18, 9:11 PM EDT	Tornado Warning	ILN	Boone, Campbell, Kenton	34 min
Jun 18, 9:15 PM EDT	Severe Thunderstorm Warning	ILN	Campbell	45 min
Jun 18, 9:23 PM EDT	Severe Thunderstorm Warning	ILN	Campbell, Gallatin, Grant, Kenton, Owen, Pendleton	52 min
Jun 18, 9:30 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Gallatin	15 min
Jun 18, 9:39 PM EDT	Areal Flood Advisory	ILN	Boone, Campbell, Kenton	3 hr
Jun 18, 10:34 PM EDT	Severe Thunderstorm Warning	ILN	Lewis, Mason, Robertson	41 min
Jun 18, 11:24 PM EDT	Special Weather Statement	ILN	Carroll	36 min
Jun 18, 11:59 PM EDT	Areal Flood Advisory	ILN	Carroll, Owen	3 hr
Jun 19, 12:05 AM EDT	Special Weather Statement	ILN	Carroll, Owen	40 min
Jun 19, 12:23 AM EDT	Flash Flood Warning	ILN	Carroll, Owen	4 hr
Jun 19, 12:47 AM EDT	Special Weather Statement	ILN	Owen	28 min
Jun 19, 1:28 AM EDT	Flash Flood Warning	ILN	Carroll, Gallatin, Grant, Owen	4 hr
Jun 19, 4:40 AM EDT	Areal Flood Advisory	ILN	Boone, Gallatin	5 hr
Jun 19, 4:47 AM EDT	Areal Flood Warning	ILN	Carroll, Owen	6 hr
Jun 19, 8:11 AM EDT	Special Weather Statement	ILN	Carroll, Gallatin	34 min
Jun 19, 8:16 AM EDT	Areal Flood Advisory	ILN	Campbell, Kenton, Pendleton	5 hr
Jun 19, 8:46 AM EDT	Special Weather Statement	ILN	Campbell, Grant, Kenton, Owen, Pendleton	44 min
Jun 19, 9:08 AM EDT	Areal Flood Advisory	ILN	Bracken, Campbell, Pendleton	3 hr
Jun 19, 10:02 AM EDT	Areal Flood Warning	ILN	Boone, Gallatin	6 hr
Jun 18, 8:10 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton	50 min
Jun 18, 8:11 PM EDT	Flash Flood Warning	ILN	Greene, Montgomery	3 hr
Jun 18, 8:11 PM EDT	Severe Thunderstorm Warning	ILN	Greene, Montgomery	34 min
Jun 18, 8:14 PM EDT	Severe Thunderstorm Warning	ILN	Montgomery, Preble	31 min
Jun 18, 8:18 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Greene, Warren	42 min
Jun 18, 8:33 PM EDT	Tornado Warning	ILN	Greene, Montgomery, Warren	27 min
Jun 18, 8:39 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton, Montgomery, Preble, Warren	36 min
Jun 18, 8:46 PM EDT	Tornado Warning Tornado observed	ILN	Butler, Montgomery, Warren	29 min
Jun 18, 8:51 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Highland	39 min
Jun 18, 9:09 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clinton, Highland	51 min
Jun 18, 9:16 PM EDT	Flash Flood Warning	ILN	Clinton, Greene, Warren	3 hr
Jun 18, 9:26 PM EDT	Flash Flood Warning	ILN	Butler, Montgomery, Warren	3 hr
Jun 18, 9:32 PM EDT	Flash Flood Warning	ILN	Clinton, Highland, Pike	3 hr
Jun 18, 10:58 PM EDT	Special Weather Statement	ILN	Butler, Warren	32 min
Jun 18, 11:03 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clermont, Hamilton, Warren	42 min
Jun 18, 11:15 PM EDT	Areal Flood Warning	ILN	Greene, Montgomery	6 hr
Jun 18, 11:21 PM EDT	River Flood Warning	ILN	Greene, Warren	20 hr
Jun 18, 11:43 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont, Clinton, Highland, Warren	19 min
Jun 19, 12:01 AM EDT	Severe Thunderstorm Warning	ILN	Darke	27 min
Jun 19, 12:12 AM EDT	Areal Flood Advisory	ILN	Warren	3 hr
Jun 19, 12:19 AM EDT	Special Weather Statement	ILN	Miami	26 min
Jun 19, 12:23 AM EDT	Special Weather Statement	ILN	Preble	37 min
Jun 19, 12:33 AM EDT	Areal Flood Warning	ILN	Clinton, Greene, Warren	6 hr
Jun 19, 1:12 AM EDT	Areal Flood Advisory	ILN	Darke, Preble	2 hr
Jun 19, 1:55 AM EDT	Special Weather Statement	ILN	Montgomery	35 min
Jun 19, 2:33 AM EDT	Areal Flood Advisory	ILN	Butler, Clinton, Darke, Greene, Montgomery, Preble and 1 more	3 hr
Jun 19, 3:04 AM EDT	Flash Flood Warning	ILN	Clinton, Warren	2 hr
Jun 19, 3:28 AM EDT	Areal Flood Advisory	ILN	Brown, Clinton, Highland	3 hr
Jun 19, 6:39 AM EDT	Areal Flood Advisory	ILN	Hamilton	19 min
Jun 19, 6:54 AM EDT	Flash Flood Warning	ILN	Hamilton	13 hr
Jun 19, 8:12 AM EDT	River Flood Warning	ILN	Hamilton	4 hr
Jun 19, 9:28 AM EDT	River Flood Warning	ILN	Warren	10 hr
Jun 19, 9:29 AM EDT	River Flood Warning	ILN	Clermont, Hamilton	24 hr
Jun 19, 1:18 PM EDT	River Flood Advisory	ILN	Hamilton	9 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021 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.