Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 10, NWS Wilmington, OH

June 18, 2021Boone County, Campbell County, Kenton County, Kentucky; Dearborn County, Ohio County, Indiana; Hamilton County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 18, 2021, 9:11 PM EDT for Boone County, Campbell County, Kenton County, Kentucky; Dearborn County, Ohio County, Indiana; Hamilton County, Ohio. It was in force for 34 min. 8 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, 9:11 PM EDT (01:11 UTC)
Expired: Jun 18, 2021, 9:45 PM EDT
In force: 34 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Dearborn County, IN, Ohio County, IN, Boone County, KY, Campbell County, KY, Kenton County, KY, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 90 km from the middle of the area, began a volume at 01:13 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, 9:12 PM EDT	TSTM WND DMG	5 Nnw Burlington, KY	SEVERAL LARGE TREES DOWNED AND A BARN DAMAGED. TIME ESTIMATED BY RADAR.
Jun 18, 9:12 PM EDT	TSTM WND GST 59	Lawrenceburg, IN
Jun 18, 9:15 PM EDT	TSTM WND DMG	5 Sse Bright, IN	PUBLIC REPORT OF ROOF DAMAGE TO A BUISNESS IN HIDDEN VALLEY, IN.
Jun 18, 9:18 PM EDT	TSTM WND DMG	4 Se Aurora, KY	NUMEROUS TREES DOWN ON PETERSBURG/BELLEVIEW ROAD.
Jun 18, 9:30 PM EDT	TSTM WND DMG	4 S Burlington, KY	SEVERAL TREES BLOWN DOWN IN BOONE COUNTY ARBORETUM. TIME ESTIMATED FROM RADAR.
Jun 18, 9:32 PM EDT	TSTM WND DMG	1 Ese Burlington, KY	WIDESPREAD TREE DAMAGE THROUGHOUT HEBRON, INCLUDING ALONG CAMP ERNST ROAD. TIME ESTIMATED BY RADAR.
Jun 18, 9:32 PM EDT	TSTM WND DMG	3 Se Burlington, KY	TREES DOWNED IN THUNDER RIDGE SUBDIVISION. TIME ESTIMATED BY RADAR.
Jun 18, 9:36 PM EDT	TSTM WND GST 56	Kcvg Cinc N Ky Apt, KY

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, 1.2 hours before the alert went out and 92 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.

378 
WFUS51 KILN 190111
TORILN
INC029-115-KYC015-037-117-OHC061-190145-
/O.NEW.KILN.TO.W.0010.210619T0111Z-210619T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
911 PM EDT Fri Jun 18 2021

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Ohio County in southeastern Indiana...
  Southeastern Dearborn County in southeastern Indiana...
  Northern Kenton County in northern Kentucky...
  Central Campbell County in northern Kentucky...
  Boone County in northern Kentucky...
  Southwestern Hamilton County in southwestern Ohio...

* Until 945 PM EDT.
    
* At 910 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Shawnee, moving east at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Cincinnati, Covington, Florence, Independence, Erlanger, Edgewood,
  Alexandria, Elsmere, Fort Mitchell, Villa Hills, Highland Heights,
  Taylor Mill, Fort Wright, Lawrenceburg, Greendale, Ludlow, Crescent
  Springs, Aurora, Crestview Hills and Park Hills.

This includes I-75 in Kentucky between mile markers 174 and 190.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3922 8488 3898 8430 3885 8477 3904 8494
TIME...MOT...LOC 0110Z 283DEG 32KT 3912 8482 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Franks

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, 9:15 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, 9:49 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Campbell, Lewis, Mason, Pendleton, Robertson	56 min
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	Dearborn, Franklin, Ripley	50 min
Jun 18, 8:14 PM EDT	Severe Thunderstorm Warning	ILN	Union, Wayne	31 min
Jun 18, 8:44 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Franklin, Ripley	46 min
Jun 18, 9:00 PM EDT	Flash Flood Warning	ILN	Dearborn, Franklin, Ripley	3 hr
Jun 18, 9:02 PM EDT	Tornado Warning	ILN	Dearborn, Ohio, Ripley	28 min
Jun 19, 12:01 AM EDT	Severe Thunderstorm Warning	ILN	Wayne	27 min
Jun 19, 1:12 AM EDT	Areal Flood Advisory	ILN	Wayne	2 hr
Jun 19, 3:44 AM EDT	Areal Flood Advisory	ILN	Dearborn, Franklin, Ripley, Switzerland	3 hr
Jun 19, 6:39 AM EDT	Areal Flood Advisory	ILN	Dearborn, Franklin, Ripley	19 min
Jun 19, 6:54 AM EDT	Flash Flood Warning	ILN	Dearborn, Franklin, Ohio, Ripley, Switzerland	13 hr
Jun 19, 1:18 PM EDT	River Flood Advisory	ILN	Dearborn, Franklin	9 hr
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, 8:18 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, 12:12 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, 1:55 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, 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

Nearby

Tornado Warnings in Kentucky, 2021 Tornado Warnings in Indiana, 2021 Tornado Warnings in Ohio, 2021 Every tornado warning in 2021 Tornadoes 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.