Alert archive / Ohio / Tornado Warnings in 2021

Tornado Warning 3, NWS Wilmington, OH

June 18, 2021Darke County, Miami County, Shelby County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 18, 2021, 5:09 PM EDT for Darke County, Miami County, Shelby County, Ohio. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 18, 2021, 5:09 PM EDT (21:09 UTC)
Expired: Jun 18, 2021, 5:45 PM EDT
In force: 36 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Darke County, OH, Miami County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 92 km from the middle of the area, began a volume at 21:10 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.

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 12:00Z, 9.2 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1560 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

252 
WFUS51 KILN 182109
TORILN
OHC037-109-149-182145-
/O.NEW.KILN.TO.W.0003.210618T2109Z-210618T2145Z/

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

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Southwestern Shelby County in west central Ohio...
  Northeastern Darke County in west central Ohio...
  Northern Miami County in west central Ohio...

* Until 545 PM EDT.
    
* At 509 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Versailles, moving southeast at 30 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...
  Troy, Piqua, Versailles, Covington, Bradford, Pleasant Hill,
  Webster, Russia, Gettysburg, Union Corners, Polo, Bloomer, Darke
  County Airport, Circle Hill, Farrington, Willowdell, Horatio and
  State Route 47 at US Route 127.

This includes I-75 in Ohio between mile markers 75 and 81.
 
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 4007 8411 4000 8445 4025 8459 4031 8445
TIME...MOT...LOC 2109Z 312DEG 25KT 4022 8442 

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

$$

Franks

2 follow-up statements

538 
WWUS51 KILN 182122
SVSILN

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

OHC037-182132-
/O.CAN.KILN.TO.W.0003.000000T0000Z-210618T2145Z/
Darke OH-
522 PM EDT Fri Jun 18 2021

...THE TORNADO WARNING FOR NORTHEASTERN DARKE COUNTY IS CANCELLED...
    
The tornadic 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 west central
Ohio.

LAT...LON 4002 8434 4018 8443 4023 8443 4025 8436
      4007 8411
TIME...MOT...LOC 2122Z 323DEG 25KT 4018 8434 

$$

OHC109-149-182145-
/O.CON.KILN.TO.W.0003.000000T0000Z-210618T2145Z/
Shelby OH-Miami OH-
522 PM EDT Fri Jun 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
SOUTHWESTERN SHELBY AND NORTHERN MIAMI COUNTIES...
    
At 522 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Covington, moving southeast at 30 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...
Troy, Piqua, Covington, Pleasant Hill, Russia, Polo, Farrington and
Bloomer.

This includes I-75 in Ohio between mile markers 75 and 81.
 
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 4002 8434 4018 8443 4023 8443 4025 8436
      4007 8411
TIME...MOT...LOC 2122Z 323DEG 25KT 4018 8434 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Franks

051 
WWUS51 KILN 182136
SVSILN

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

OHC149-182145-
/O.CAN.KILN.TO.W.0003.000000T0000Z-210618T2145Z/
Shelby OH-
536 PM EDT Fri Jun 18 2021

...THE TORNADO WARNING FOR SOUTHWESTERN SHELBY COUNTY IS CANCELLED...
    
The tornadic 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 west central
Ohio.

LAT...LON 4007 8411 4002 8434 4018 8443 4020 8443
      4020 8429
TIME...MOT...LOC 2135Z 312DEG 25KT 4012 8425 

$$

OHC109-182145-
/O.CON.KILN.TO.W.0003.000000T0000Z-210618T2145Z/
Miami OH-
536 PM EDT Fri Jun 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR NORTHERN
MIAMI COUNTY...
    
At 535 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Piqua, moving southeast at 30 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...
Troy, Piqua, Covington, Pleasant Hill, Polo, Farrington and Bloomer. 

This includes I-75 in Ohio between mile markers 75 and 81.
 
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 4007 8411 4002 8434 4018 8443 4020 8443
      4020 8429
TIME...MOT...LOC 2135Z 312DEG 25KT 4012 8425 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Franks

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 3:48 AM EDT	Flash Flood Watch	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 25 more	33 hr
Jun 18, 8:42 AM EDT	Special Weather Statement	ILN	Auglaize	33 min
Jun 18, 9:10 AM EDT	Special Weather Statement	ILN	Auglaize	35 min
Jun 18, 9:12 AM EDT	Special Weather Statement	ILN	Hardin	33 min
Jun 18, 9:38 AM EDT	Special Weather Statement	ILN	Champaign, Logan, Shelby	37 min
Jun 18, 9:45 AM EDT	Special Weather Statement	ILN	Miami, Preble	30 min
Jun 18, 10:03 AM EDT	Special Weather Statement	ILN	Butler, Preble	27 min
Jun 18, 10:13 AM EDT	Special Weather Statement	ILN	Montgomery, Preble	32 min
Jun 18, 10:28 AM EDT	Special Weather Statement	ILN	Butler, Preble	32 min
Jun 18, 10:32 AM EDT	Special Weather Statement	ILN	Hamilton	28 min
Jun 18, 10:57 AM EDT	Special Weather Statement	ILN	Butler, Hamilton, Warren	33 min
Jun 18, 11:26 AM EDT	Special Weather Statement	ILN	Brown, Clermont, Warren	34 min
Jun 18, 11:37 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	25 min
Jun 18, 3:47 PM EDT	Severe Thunderstorm Warning	ILN	Mercer	43 min
Jun 18, 3:59 PM EDT	Tornado Warning Tornado observed	ILN	Mercer	31 min
Jun 18, 4:11 PM EDT	Tornado Warning Tornado observedConsiderable damage threat	ILN	Darke, Mercer	34 min
Jun 18, 4:41 PM EDT	Special Weather Statement	ILN	Shelby	34 min
Jun 18, 4:48 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Miami, Shelby	27 min
Jun 18, 5:16 PM EDT	Severe Thunderstorm Warning	ILN	Darke	44 min
Jun 18, 5:34 PM EDT	Tornado Warning	ILN	Darke	26 min
Jun 18, 5:57 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Greene, Miami, Montgomery	33 min
Jun 18, 6:00 PM EDT	Tornado Warning	ILN	Darke, Miami, Montgomery, Preble	30 min
Jun 18, 6:11 PM EDT	Tornado Warning	ILN	Darke, Miami, Montgomery, Preble	34 min
Jun 18, 6:39 PM EDT	Severe Thunderstorm Warning	ILN	Greene, Miami, Montgomery	51 min
Jun 18, 6:53 PM EDT	Areal Flood Advisory	ILN	Montgomery	6 hr
Jun 18, 7:00 PM EDT	Special Weather Statement	ILN	Darke	30 min
Jun 18, 7:13 PM EDT	Severe Thunderstorm Warning	ILN	Darke	32 min
Jun 18, 7:19 PM EDT	Areal Flood Advisory	ILN	Greene	6 hr
Jun 18, 7:19 PM EDT	Severe Thunderstorm Warning	ILN	Greene, Montgomery	41 min
Jun 18, 7:53 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Warren	52 min

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.