Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 41, NWS Wilmington, OH

June 18, 2021Adams County, Scioto County, Ohio; Lewis County, Mason County, Robertson County, Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 18, 2021, 10:34 PM EDT for Adams County, Scioto County, Ohio; Lewis County, Mason County, Robertson County, Kentucky. It was in force for 41 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: Jun 18, 2021, 10:34 PM EDT (02:34 UTC)
Expired: Jun 18, 2021, 11:15 PM EDT
In force: 41 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Lewis County, KY, Mason County, KY, Robertson County, KY, Adams County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 105 km from the middle of the area, began a volume at 02:35 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, 10:49 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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.6 hours before the alert went out and 105 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.

253 
WUUS51 KILN 190234
SVRILN
KYC135-161-201-OHC001-145-190315-
/O.NEW.KILN.SV.W.0041.210619T0234Z-210619T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
1034 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...
  Southeastern Adams County in southwestern Ohio...
  Southern Scioto County in southwestern Ohio...

* Until 1115 PM EDT.

* At 1033 PM EDT, severe thunderstorms were located along a line 
  extending from Mount Olivet to Portsmouth, moving southeast at 40 
  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, Wheelersburg, New Boston, Vanceburg,
  Lewisburg, Rosemount, Camp Dix, Rome, Foxport, Head of Grassy,
  Tollesboro, Sciotodale, Mount Olivet, Sardis, Saint Paul, Burika,
  Mays Lick, Kinniconick and Rectorville.

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 3832 8336 3840 8341 3843 8358 3852 8363
      3846 8386 3849 8393 3842 8400 3849 8417
      3860 8408 3862 8362 3882 8294 3875 8266
      3868 8271 3868 8276 3860 8274 3857 8281
      3876 8289 3873 8303 3869 8303 3832 8328
TIME...MOT...LOC 0233Z 317DEG 37KT 3863 8305 3845 8380 

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

Hatzos

3 follow-up statements

549 
WWUS51 KILN 190250
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1050 PM EDT Fri Jun 18 2021

KYC201-190259-
/O.CAN.KILN.SV.W.0041.000000T0000Z-210619T0315Z/
Robertson KY-
1050 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR ROBERTSON COUNTY IS
CANCELLED...

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

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

LAT...LON 3840 8341 3843 8358 3852 8363 3846 8386
      3850 8394 3859 8380 3862 8362 3879 8293
      3875 8266 3875 8270 3868 8271 3868 8276
      3860 8274 3857 8281 3876 8289 3873 8303
      3871 8303 3843 8324 3832 8328 3832 8335
TIME...MOT...LOC 0249Z 307DEG 38KT 3857 8292 3834 8360 

$$

KYC135-161-OHC001-145-190315-
/O.CON.KILN.SV.W.0041.000000T0000Z-210619T0315Z/
Mason KY-Lewis KY-Adams OH-Scioto OH-
1050 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SOUTHEASTERN MASON...LEWIS...SOUTHEASTERN ADAMS AND SOUTHERN
SCIOTO COUNTIES...

At 1049 PM EDT, severe thunderstorms were located along a line 
extending from near Load to Goddard, moving southeast at 45 mph. 
These storms produced a wind gust measured at 67 MPH at the Fleming 
Mason Airport.

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, Wheelersburg, New Boston, Vanceburg, Lewisburg, Head of
Grassy, Camp Dix, Tollesboro, Rome, Foxport, Sciotodale, Rosemount,
Saint Paul, Mays Lick, Kinniconick, Rectorville, Epworth, Ribolt,
Friendship and Peed.

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 3840 8341 3843 8358 3852 8363 3846 8386
      3850 8394 3859 8380 3862 8362 3879 8293
      3875 8266 3875 8270 3868 8271 3868 8276
      3860 8274 3857 8281 3876 8289 3873 8303
      3871 8303 3843 8324 3832 8328 3832 8335
TIME...MOT...LOC 0249Z 307DEG 38KT 3857 8292 3834 8360 

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

Hatzos

182 
WWUS51 KILN 190301
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1101 PM EDT Fri Jun 18 2021

KYC161-OHC001-190311-
/O.CAN.KILN.SV.W.0041.000000T0000Z-210619T0315Z/
Mason KY-Adams OH-
1101 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MASON AND
SOUTHEASTERN ADAMS COUNTIES IS CANCELLED...

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

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

LAT...LON 3840 8341 3843 8358 3849 8359 3860 8328
      3871 8326 3879 8293 3875 8266 3875 8270
      3868 8271 3868 8276 3860 8274 3858 8279
      3876 8289 3873 8303 3862 8310 3843 8324
      3832 8328 3832 8335
TIME...MOT...LOC 0301Z 287DEG 28KT 3869 8279 3840 8338 

$$

KYC135-OHC145-190315-
/O.CON.KILN.SV.W.0041.000000T0000Z-210619T0315Z/
Lewis KY-Scioto OH-
1101 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR CENTRAL LEWIS AND SOUTHERN SCIOTO COUNTIES...

At 1101 PM EDT, severe thunderstorms were located along a line
extending from near Wheelersburg to 6 miles northeast of Waltz,
moving east at 30 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, Wheelersburg, New Boston, Vanceburg, Head of Grassy, Camp
Dix, Sciotodale, Rosemount, Buena Vista in Scioto County, Saint Paul,
West Portsmouth, Harris, Kinniconick, Tannery, Friendship,
Powellsville, Garrison, Petersville, Stricklett and Glen Springs.

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 3840 8341 3843 8358 3849 8359 3860 8328
      3871 8326 3879 8293 3875 8266 3875 8270
      3868 8271 3868 8276 3860 8274 3858 8279
      3876 8289 3873 8303 3862 8310 3843 8324
      3832 8328 3832 8335
TIME...MOT...LOC 0301Z 287DEG 28KT 3869 8279 3840 8338 

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

Hatzos

116 
WWUS51 KILN 190309
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1109 PM EDT Fri Jun 18 2021

KYC135-OHC145-190319-
/O.EXP.KILN.SV.W.0041.000000T0000Z-210619T0315Z/
Lewis KY-Scioto OH-
1109 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LEWIS AND SOUTHERN
SCIOTO COUNTIES WILL EXPIRE AT 1115 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
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 3843 8358 3849 8359 3860 8328
      3871 8326 3879 8293 3875 8266 3875 8270
      3868 8271 3868 8276 3860 8274 3858 8279
      3876 8289 3873 8303 3862 8310 3843 8324
      3832 8328 3832 8335
TIME...MOT...LOC 0309Z 317DEG 37KT 3863 8272 3834 8331 

$$

Hatzos

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 9:11 PM EDT	Tornado Warning	ILN	Hamilton	34 min
Jun 18, 9:15 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Butler, Clermont, Clinton, Hamilton, Warren	45 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, 9:39 PM EDT	Areal Flood Advisory	ILN	Hamilton	3 hr
Jun 18, 9:49 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Pike, Scioto	56 min
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, 8:16 AM EDT	Areal Flood Advisory	ILN	Butler, Hamilton	5 hr
Jun 19, 8:46 AM EDT	Special Weather Statement	ILN	Clermont	44 min
Jun 19, 9:08 AM EDT	Areal Flood Advisory	ILN	Brown, Clermont, Highland	3 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
Jun 18, 8:56 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Gallatin	34 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, 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, 10:02 AM EDT	Areal Flood Warning	ILN	Boone, Gallatin	6 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.