Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Wilmington, OH

June 18, 2021Dearborn County, Franklin County, Ripley County, Indiana; Butler County, Hamilton County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 18, 2021, 8:10 PM EDT for Dearborn County, Franklin County, Ripley County, Indiana; Butler County, Hamilton County, Ohio. It was in force for 50 min. 2 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, 8:10 PM EDT (00:10 UTC)
Expired: Jun 18, 2021, 9:00 PM EDT
In force: 50 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dearborn County, IN, Franklin County, IN, Ripley County, IN, Butler County, OH, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 89 km from the middle of the area, began a volume at 00:12 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, 8:45 PM EDT	TSTM WND DMG	5 Se Sunman, IN	TREES AND POWER LINES WERE BLOWN DOWN ACROSS THE COUNTY. A HOUSE WAS STRUCK BY LIGHTNING AT HIDDEN VALLEY LAKE.
Jun 18, 8:58 PM EDT	TSTM WND DMG	2 Nw Milan, IN	EXTENSIVE AND CONSIDERABLE TREE DAMAGE AT MULTIPLE PROPERTIES NEAR THE INTERSECTION OF EAST COUNTY RD. 475 N AND NORTH COUNTY RD 850 E. TIME ESTIMATED BY RADAR.

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, 4:02 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.2 hours before the alert went out and 91 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.

087 
WUUS51 KILN 190010
SVRILN
INC029-047-137-OHC017-061-190100-
/O.NEW.KILN.SV.W.0028.210619T0010Z-210619T0100Z/

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

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southeastern Franklin County in southeastern Indiana...
  Northeastern Ripley County in southeastern Indiana...
  Northern Dearborn County in southeastern Indiana...
  Northwestern Hamilton County in southwestern Ohio...
  Southwestern Butler County in southwestern Ohio...

* Until 900 PM EDT.

* At 809 PM EDT, a severe thunderstorm was located near Milan, moving
  east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Cincinnati, Harrison, Batesville, Lawrenceburg, Greendale, Bright,
  Hidden Valley, Cleves, Shawnee, Taylor Creek, Miami Heights, Blue
  Jay, Mack, Guilford, Logan, Manchester, New Haven, Grandview,
  Sunman and Addyston.

This includes the following Interstates...
 I-74 in Indiana between mile markers 151 and 171.
 I-74 in Ohio between mile markers 0 and 9.

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 southeastern
Indiana...and southwestern Ohio.

LAT...LON 3940 8473 3910 8466 3910 8468 3914 8472
      3915 8474 3914 8476 3911 8479 3911 8481
      3915 8517 3931 8519
TIME...MOT...LOC 0009Z 267DEG 26KT 3921 8511 

HAIL...1.00IN
WIND...60MPH
 
$$

Campbell

1 follow-up statement

451 
WWUS51 KILN 190024
SVSILN

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

INC029-047-137-OHC017-061-190100-
/O.CON.KILN.SV.W.0028.000000T0000Z-210619T0100Z/
Franklin IN-Ripley IN-Dearborn IN-Hamilton OH-Butler OH-
824 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHEASTERN FRANKLIN...NORTHEASTERN RIPLEY...NORTHERN
DEARBORN...NORTHWESTERN HAMILTON AND SOUTHWESTERN BUTLER COUNTIES...

At 824 PM EDT, a severe thunderstorm was located near Bright, moving
east at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Cincinnati, Harrison, Lawrenceburg, Greendale, Bright, Hidden Valley,
Cleves, Shawnee, Taylor Creek, Miami Heights, Blue Jay, Mack,
Guilford, Logan, Manchester, New Haven, Grandview, Sunman, Addyston
and North Bend.

This includes the following Interstates...
 I-74 in Indiana between mile markers 156 and 171.
 I-74 in Ohio between mile markers 0 and 9.

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 southeastern
Indiana...and southwestern Ohio.

LAT...LON 3940 8473 3910 8466 3910 8468 3914 8472
      3915 8474 3914 8476 3911 8479 3911 8481
      3916 8507 3930 8511
TIME...MOT...LOC 0024Z 267DEG 26KT 3922 8496 

HAIL...1.00IN
WIND...60MPH
 
$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 8:56 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	34 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 18, 9:11 PM EDT	Tornado Warning	ILN	Dearborn, Ohio	34 min
Jun 18, 9:30 PM EDT	Severe Thunderstorm Warning	ILN	Ohio, Switzerland	15 min
Jun 18, 9:39 PM EDT	Areal Flood Advisory	ILN	Dearborn, Ohio	3 hr
Jun 18, 11:59 PM EDT	Areal Flood Advisory	ILN	Switzerland	3 hr
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, 1:28 AM EDT	Flash Flood Warning	ILN	Switzerland	4 hr
Jun 19, 3:44 AM EDT	Areal Flood Advisory	ILN	Dearborn, Franklin, Ripley, Switzerland	3 hr
Jun 19, 4:40 AM EDT	Areal Flood Advisory	ILN	Ohio, Switzerland	5 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, 8:11 AM EDT	Special Weather Statement	ILN	Ohio, Switzerland	34 min
Jun 19, 10:02 AM EDT	Areal Flood Warning	ILN	Ohio, Switzerland	6 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, 9:15 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, 9:49 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Pike, Scioto	56 min
Jun 18, 10:34 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Scioto	41 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, 12:12 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, 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

Nearby

Severe Thunderstorm Warnings in Indiana, 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.