Alert archive / Ohio / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 37, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jun 18, 2021, 9:15 PM EDT for 6 counties in Ohio; Campbell County, Kentucky. It was in force for 45 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, 9:15 PM EDT (01:15 UTC)
- Expired
- Jun 18, 2021, 10:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Campbell County, KY, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Hamilton County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 01:18 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, 9:25 PM EDT | TSTM WND DMG | 5 Wsw Fayetteville, OH | PORCHED REPORTED COLLASPED FROM THUNDERSTORM WINDS. TIME ESTIMATE FROM RADAR. |
| Jun 18, 9:30 PM EDT | TSTM WND DMG | Batavia, OH | TREES AND POWER LINES REPORTED DOWN IN BATAVIA. THIS WAS REPRESENTATIVE ACROSS THE COUNTY. TIME ESTIMATED FROM RADAR. |
| Jun 18, 9:36 PM EDT | TSTM WND DMG | 3 Sw Batavia, OH | LARGE HEALTHY BRANCH BROKEN OFF A TREE AT A PROPERTY ON JUDD ROAD. TIME OF EVENT ESTIMATED FROM 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 |
| Jun 18, 9:09 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.3 hours before the alert went out and 63 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.
- 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
The text
As transmitted.
114
WUUS51 KILN 190115
SVRILN
KYC037-OHC015-017-025-027-061-165-190200-
/O.NEW.KILN.SV.W.0037.210619T0115Z-210619T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
915 PM EDT Fri Jun 18 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Campbell County in northern Kentucky...
Eastern Hamilton County in southwestern Ohio...
Southeastern Butler County in southwestern Ohio...
Clermont County in southwestern Ohio...
Northwestern Brown County in southwestern Ohio...
Southern Warren County in southwestern Ohio...
Southwestern Clinton County in southwestern Ohio...
* Until 1000 PM EDT.
* At 915 PM EDT, a severe thunderstorm was located near Blanchester,
moving southeast at 50 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, Mason, Sharonville, Blue Ash, Loveland, Reading,
Montgomery, Madeira, Alexandria, Milford, Deer Park, Georgetown,
Blanchester, Forestville, Claryville, Amelia, Mount Orab,
Mariemont, Bethel and New Richmond.
This includes I-71 in Ohio between mile markers 10 and 22.
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 3883 8423 3887 8423 3883 8434 3883 8440
3932 8442 3932 8396 3883 8388
TIME...MOT...LOC 0115Z 335DEG 42KT 3924 8402
HAIL...1.00IN
WIND...60MPH
$$
Campbell2 follow-up statements
087
WWUS51 KILN 190137
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
937 PM EDT Fri Jun 18 2021
OHC017-027-165-190146-
/O.CAN.KILN.SV.W.0037.000000T0000Z-210619T0200Z/
Butler OH-Warren OH-Clinton OH-
937 PM EDT Fri Jun 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUTLER...SOUTHERN
WARREN AND SOUTHWESTERN CLINTON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM EDT for southwestern
Ohio.
A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
northern Kentucky.
LAT...LON 3883 8423 3887 8423 3883 8434 3883 8440
3928 8433 3925 8399 3883 8388
TIME...MOT...LOC 0136Z 332DEG 37KT 3900 8401
$$
KYC037-OHC015-025-061-190200-
/O.CON.KILN.SV.W.0037.000000T0000Z-210619T0200Z/
Campbell KY-Hamilton OH-Clermont OH-Brown OH-
937 PM EDT Fri Jun 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHERN CAMPBELL...EASTERN HAMILTON...CLERMONT AND NORTHWESTERN
BROWN COUNTIES...
At 936 PM EDT, a severe thunderstorm was located near Williamsburg,
moving southeast at 45 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Loveland, Montgomery, Alexandria, Milford, Georgetown, Forestville,
Claryville, Amelia, Mount Orab, Bethel, New Richmond, Williamsburg,
Terrace Park, Batavia, Felicity, Melbourne, Camp Dennison, Remington,
Coldstream and Sixteen Mile Stand.
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 3883 8423 3887 8423 3883 8434 3883 8440
3928 8433 3925 8399 3883 8388
TIME...MOT...LOC 0136Z 332DEG 37KT 3900 8401
HAIL...1.00IN
WIND...70MPH
$$
Campbell518
WWUS51 KILN 190153
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
953 PM EDT Fri Jun 18 2021
KYC037-OHC015-025-061-190202-
/O.EXP.KILN.SV.W.0037.000000T0000Z-210619T0200Z/
Campbell KY-Hamilton OH-Clermont OH-Brown OH-
953 PM EDT Fri Jun 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CAMPBELL...EASTERN
HAMILTON...CLERMONT AND NORTHWESTERN BROWN COUNTIES WILL EXPIRE AT
1000 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However small hail and gusty winds are still
possible with this thunderstorm.
A Tornado Watch remains in effect until 1100 PM EDT for southwestern
Ohio.
A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
northern Kentucky.
Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.
LAT...LON 3883 8423 3887 8423 3883 8434 3883 8440
3928 8433 3925 8399 3883 8388
TIME...MOT...LOC 0152Z 335DEG 42KT 3884 8391
$$
CampbellThe 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 | 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, 9:16 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, 10:34 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, 12:01 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 Ohio, 2021Severe Thunderstorm Warnings in Kentucky, 2021Every 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.