Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 59, NWS Wilmington, OH

July 16, 2021Clark County, Greene County, Montgomery County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 16, 2021, 2:27 PM EDT for Clark County, Greene County, Montgomery County, Ohio. It was in force for 48 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: Jul 16, 2021, 2:27 PM EDT (18:27 UTC)
Expired: Jul 16, 2021, 3:15 PM EDT
In force: 48 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clark County, OH, Greene County, OH, Montgomery County, OH

The radar

The Cincinnati radar (KILN), 47 km from the middle of the area, began a volume at 18:27 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
Jul 16, 2:30 PM EDT	TSTM WND DMG	2 Nw Downtown Dayton, OH	TREE DOWN NEAR BROOKSIDE DR IN DAYTON. TIME ESTIMATED FROM RADAR.
Jul 16, 2:38 PM EDT	TSTM WND DMG	5 Wsw Beavercreek, OH	8 INCH DIAMETER TREE 5 FEET LONG DOWNED ON DOTSON DR NEAR KETTERING. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.5 hours before the alert went out and 47 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: 291 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 941 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

521 
WUUS51 KILN 161827
SVRILN
OHC023-057-113-161915-
/O.NEW.KILN.SV.W.0059.210716T1827Z-210716T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
227 PM EDT Fri Jul 16 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southwestern Clark County in west central Ohio...
  Northern Greene County in west central Ohio...
  Southeastern Montgomery County in west central Ohio...

* Until 315 PM EDT.

* At 227 PM EDT, a severe thunderstorm was located over West
  Carrollton, moving northeast at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Dayton, Kettering, Beavercreek, Huber Heights, Fairborn, Xenia,
  Miamisburg, Springboro, Bellbrook, Moraine, New Carlisle, Carlisle,
  Oakwood, Yellow Springs, Wright-Patterson Afb, West Carrollton,
  Cedarville, Enon, Wilberforce and Riverside.

This includes the following Interstates...
 I-70 in Ohio between mile markers 38 and 46.
 I-75 in Ohio between mile markers 41 and 57.

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 3988 8410 3988 8405 3993 8405 3994 8403
      3972 8373 3958 8423 3959 8430 3966 8438
TIME...MOT...LOC 1827Z 232DEG 26KT 3965 8424 

HAIL...0.75IN
WIND...60MPH
 
$$

Campbell

5 follow-up statements

502 
WWUS51 KILN 161831
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
231 PM EDT Fri Jul 16 2021

OHC023-057-113-161915-
/O.CON.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Clark OH-Greene OH-Montgomery OH-
231 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHWESTERN CLARK...NORTHERN GREENE AND SOUTHEASTERN MONTGOMERY
COUNTIES...

At 231 PM EDT, a severe thunderstorm was located over West
Carrollton, moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Dayton, Kettering, Beavercreek, Huber Heights, Fairborn, Xenia,
Miamisburg, Springboro, Bellbrook, Moraine, New Carlisle, Oakwood,
Yellow Springs, Wright-Patterson Afb, West Carrollton, Cedarville,
Enon, Wilberforce, Riverside and Centerville.

This includes the following Interstates...
 I-70 in Ohio between mile markers 38 and 46.
 I-75 in Ohio between mile markers 42 and 56.

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 3988 8410 3988 8405 3993 8405 3994 8403
      3972 8373 3958 8422 3960 8427 3970 8430
TIME...MOT...LOC 1831Z 232DEG 26KT 3967 8420 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

218 
WWUS51 KILN 161837
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
237 PM EDT Fri Jul 16 2021

OHC023-057-113-161915-
/O.CON.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Clark OH-Greene OH-Montgomery OH-
237 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHWESTERN CLARK...NORTHERN GREENE AND SOUTHEASTERN MONTGOMERY
COUNTIES...

At 237 PM EDT, a severe thunderstorm was located over Kettering,
moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Dayton, Kettering, Beavercreek, Huber Heights, Fairborn, Xenia,
Bellbrook, Moraine, Oakwood, Yellow Springs, Wright-Patterson Afb,
Cedarville, Enon, Wilberforce, Riverside, Centerville, Green Meadows,
Holiday Valley, John Bryan State Park and Oldtown.

This includes the following Interstates...
 I-70 in Ohio between mile markers 43 and 47.
 I-75 in Ohio between mile markers 50 and 52.

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 3972 8373 3960 8415 3963 8421 3973 8423
      3984 8408 3990 8397
TIME...MOT...LOC 1837Z 232DEG 26KT 3970 8415 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

225 
WWUS51 KILN 161847
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
247 PM EDT Fri Jul 16 2021

OHC113-161857-
/O.CAN.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Montgomery OH-
247 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3972 8373 3961 8410 3961 8411 3964 8411
      3977 8410 3987 8393
TIME...MOT...LOC 1847Z 232DEG 26KT 3975 8408 

$$

OHC023-057-161915-
/O.CON.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Clark OH-Greene OH-
247 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHWESTERN CLARK AND NORTHERN GREENE COUNTIES...

At 247 PM EDT, a severe thunderstorm was located over Beavercreek,
moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Kettering, Beavercreek, Fairborn, Xenia, Bellbrook, Yellow Springs,
Wright-Patterson Afb, Cedarville, Enon, Wilberforce, Centerville,
Holiday Valley, John Bryan State Park, Oldtown, Greene County
Airport, Trebein and Green Meadows.

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 3972 8373 3961 8410 3961 8411 3964 8411
      3977 8410 3987 8393
TIME...MOT...LOC 1847Z 232DEG 26KT 3975 8408 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

879 
WWUS51 KILN 161856
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
256 PM EDT Fri Jul 16 2021

OHC023-161906-
/O.CAN.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Clark OH-
256 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CLARK COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3972 8373 3963 8405 3965 8405 3979 8400
      3983 8389 3983 8387
TIME...MOT...LOC 1856Z 232DEG 26KT 3979 8401 

$$

OHC057-161915-
/O.CON.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Greene OH-
256 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR CENTRAL GREENE COUNTY...

At 256 PM EDT, a severe thunderstorm was located over Fairborn,
moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Beavercreek, Fairborn, Xenia, Yellow Springs, Cedarville,
Wilberforce, Clifton, Oldtown, John Bryan State Park, Greene County
Airport and Trebein.

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 3972 8373 3963 8405 3965 8405 3979 8400
      3983 8389 3983 8387
TIME...MOT...LOC 1856Z 232DEG 26KT 3979 8401 

HAIL...<.75IN
WIND...60MPH
 
$$

Campbell

053 
WWUS51 KILN 161910
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
310 PM EDT Fri Jul 16 2021

OHC057-161920-
/O.EXP.KILN.SV.W.0059.000000T0000Z-210716T1915Z/
Greene OH-
310 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL GREENE COUNTY WILL
EXPIRE AT 315 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.

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 3972 8373 3963 8405 3965 8405 3979 8400
      3983 8389 3983 8387
TIME...MOT...LOC 1910Z 232DEG 26KT 3984 8393 

$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 8:27 PM EDT	Special Weather Statement	ILN	Darke	33 min
Jul 16, 3:27 AM EDT	Flash Flood Watch	ILN	Auglaize, Butler, Champaign, Clark, Clermont, Clinton and 17 more	29 hr
Jul 16, 12:54 PM EDT	Special Weather Statement	ILN	Highland	36 min
Jul 16, 1:21 PM EDT	Special Weather Statement	ILN	Clinton	24 min
Jul 16, 1:48 PM EDT	Special Weather Statement	ILN	Preble	27 min
Jul 16, 2:06 PM EDT	Special Weather Statement	ILN	Butler	24 min
Jul 16, 2:07 PM EDT	Special Weather Statement	ILN	Scioto	38 min
Jul 16, 2:18 PM EDT	Special Weather Statement	ILN	Montgomery	27 min
Jul 16, 2:30 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clinton, Greene, Montgomery, Warren	45 min
Jul 16, 2:36 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clermont, Hamilton	39 min
Jul 16, 2:48 PM EDT	Special Weather Statement	ILN	Clinton	27 min
Jul 16, 3:05 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Highland, Warren	25 min
Jul 16, 3:08 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Madison	34 min
Jul 16, 3:08 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont, Hamilton	24 min
Jul 16, 3:14 PM EDT	Special Weather Statement	ILN	Pike	16 min
Jul 16, 3:15 PM EDT	Special Weather Statement	ILN	Brown	15 min
Jul 16, 3:30 PM EDT	Special Weather Statement	ILN	Highland	30 min
Jul 16, 3:32 PM EDT	Special Weather Statement	ILN	Franklin	28 min
Jul 16, 3:57 PM EDT	Special Weather Statement	ILN	Highland	33 min
Jul 16, 4:03 PM EDT	Special Weather Statement	ILN	Licking	27 min
Jul 16, 4:16 PM EDT	Special Weather Statement	ILN	Ross	29 min
Jul 16, 4:21 PM EDT	Special Weather Statement	ILN	Licking	9 min
Jul 16, 4:39 PM EDT	Special Weather Statement	ILN	Ross	36 min
Jul 16, 4:54 PM EDT	Areal Flood Advisory	ILN	Adams	3 hr
Jul 16, 5:03 PM EDT	Special Weather Statement	ILN	Adams	27 min
Jul 16, 5:23 PM EDT	Flash Flood Warning	ILN	Adams	2 hr
Jul 16, 5:23 PM EDT	Special Weather Statement	ILN	Pike	37 min
Jul 16, 5:30 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Pike, Ross, Scioto	30 min
Jul 16, 5:55 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Scioto	18 min
Jul 16, 6:11 PM EDT	Areal Flood Advisory	ILN	Pike, Scioto	101 min
Jul 16, 6:31 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	44 min
Jul 16, 6:39 PM EDT	Areal Flood Advisory	ILN	Darke, Preble	112 min
Jul 16, 7:12 PM EDT	Special Weather Statement	ILN	Hamilton	33 min
Jul 16, 7:34 PM EDT	Areal Flood Advisory	ILN	Butler, Preble	54 min

Nearby

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.