Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 90, NWS Wilmington, OH

August 11, 2021Hardin County, Logan County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 11, 2021, 3:19 PM EDT for Hardin County, Logan County, Ohio. It was in force for 56 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: Aug 11, 2021, 3:19 PM EDT (19:19 UTC)
Expired: Aug 11, 2021, 4:15 PM EDT
In force: 56 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hardin County, OH, Logan County, OH

The radar

The Cincinnati radar (KILN), 135 km from the middle of the area, began a volume at 19:21 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
Aug 11, 3:42 PM EDT	TSTM WND DMG	Ada, OH	TREE BLOWN DOWN ON TOWNSHIP RD 25 SOUTH OF ROUTE 60
Aug 11, 3:51 PM EDT	TSTM WND GST 51	Ki95 Kenton Apt, OH
Aug 11, 4:08 PM EDT	TSTM WND DMG	5 Sse Kenton, OH	TREE BLOWN DOWN ON TOWNSHIP RD 265 WEST OF STATE ROUTE 31

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
Aug 11, 2:32 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 134 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: 1853 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1037 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

963 
WUUS51 KILN 111919
SVRILN
OHC065-091-112015-
/O.NEW.KILN.SV.W.0090.210811T1919Z-210811T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
319 PM EDT Wed Aug 11 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Northern Logan County in west central Ohio...
  Hardin County in west central Ohio...

* Until 415 PM EDT.

* At 319 PM EDT, severe thunderstorms were located along a line
  extending from Bluffton to Botkins, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Kenton, Ada, Forest, Russells Point, Lakeview, Dunkirk, Alger,
  Belle Center, Chippewa Park, Northwood, Blanchard, Roundhead, Mount
  Victory, Rushsylvania, Mcguffey, Huntsville, Ridgeway, Patterson,
  Dola and Huntersville.

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 4070 8350 4070 8344 4069 8344 4069 8342
      4051 8342 4050 8352 4048 8352 4040 8399
      4054 8390 4054 8388 4082 8388 4082 8350
TIME...MOT...LOC 1919Z 284DEG 44KT 4091 8386 4052 8414 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hatzos

4 follow-up statements

683 
WWUS51 KILN 111930
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
330 PM EDT Wed Aug 11 2021

OHC065-091-112015-
/O.CON.KILN.SV.W.0090.000000T0000Z-210811T2015Z/
Logan OH-Hardin OH-
330 PM EDT Wed Aug 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN LOGAN AND HARDIN COUNTIES...

At 330 PM EDT, severe thunderstorms were located along a line
extending from Bluffton to Waynesfield, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Kenton, Ada, Forest, Russells Point, Lakeview, Dunkirk, Alger, Belle
Center, Chippewa Park, Northwood, Blanchard, Roundhead, Mount
Victory, Rushsylvania, Mcguffey, Huntsville, Ridgeway, Patterson,
Dola and Huntersville.

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 4070 8350 4070 8344 4069 8344 4069 8342
      4051 8342 4050 8352 4048 8352 4040 8399
      4054 8390 4054 8388 4082 8388 4082 8350
TIME...MOT...LOC 1930Z 276DEG 40KT 4090 8376 4054 8399 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hatzos

229 
WWUS51 KILN 111948
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
348 PM EDT Wed Aug 11 2021

OHC065-091-112015-
/O.CON.KILN.SV.W.0090.000000T0000Z-210811T2015Z/
Logan OH-Hardin OH-
348 PM EDT Wed Aug 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN LOGAN AND HARDIN COUNTIES...

At 348 PM EDT, severe thunderstorms were located along a line
extending from Forest to Belle Center, moving southeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Kenton, Forest, Russells Point, Lakeview, Dunkirk, Belle Center,
Chippewa Park, Northwood, Blanchard, Roundhead, Mount Victory,
Rushsylvania, Mcguffey, Huntsville, Ridgeway, Patterson, Dola,
Pfeiffer, Bloom Center and Big Springs.

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 4070 8350 4070 8344 4069 8344 4069 8342
      4051 8342 4050 8352 4048 8352 4040 8399
      4054 8390 4054 8388 4060 8388 4082 8366
      4082 8350
TIME...MOT...LOC 1948Z 294DEG 43KT 4080 8350 4045 8377 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hatzos

993 
WWUS51 KILN 112002
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
402 PM EDT Wed Aug 11 2021

OHC065-091-112015-
/O.CON.KILN.SV.W.0090.000000T0000Z-210811T2015Z/
Logan OH-Hardin OH-
402 PM EDT Wed Aug 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN LOGAN AND EASTERN HARDIN COUNTIES...

At 402 PM EDT, severe thunderstorms were located along a line 
extending from Marseilles to Bellefontaine, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Kenton, Russells Point, Belle Center, Northwood, Mount Victory,
Rushsylvania, Huntsville, Ridgeway, Grant, Silver Creek, Pfeiffer,
Hepburn, Mentzer, Bloom Center, Big Springs and Lewistown.

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 4070 8350 4070 8344 4069 8344 4069 8342
      4051 8342 4050 8352 4048 8352 4040 8399
      4046 8395 4051 8381 4063 8372 4078 8350
TIME...MOT...LOC 2002Z 276DEG 34KT 4073 8342 4039 8369 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hatzos

550 
WWUS51 KILN 112011
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
411 PM EDT Wed Aug 11 2021

OHC065-091-112021-
/O.EXP.KILN.SV.W.0090.000000T0000Z-210811T2015Z/
Logan OH-Hardin OH-
411 PM EDT Wed Aug 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LOGAN AND EASTERN
HARDIN COUNTIES WILL EXPIRE AT 415 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central and west central Ohio.

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 4070 8350 4070 8344 4069 8344 4069 8342
      4051 8342 4050 8352 4048 8352 4040 8399
      4046 8395 4051 8381 4063 8372 4078 8350
TIME...MOT...LOC 2011Z 284DEG 44KT 4070 8329 4037 8356 

$$

Hatzos

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 1:07 AM EDT	Special Weather Statement	ILN	Mercer	38 min
Aug 11, 3:14 AM EDT	Special Weather Statement	ILN	Licking	31 min
Aug 11, 3:44 AM EDT	Special Weather Statement	ILN	Licking	31 min
Aug 11, 8:34 AM EDT	Special Weather Statement	ILN	Hardin	41 min
Aug 11, 2:18 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	57 min
Aug 11, 2:55 PM EDT	Heat Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	29 hr
Aug 11, 3:03 PM EDT	Special Weather Statement	ILN	Darke	27 min
Aug 11, 3:10 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Darke, Logan, Mercer, Shelby	65 min
Aug 11, 3:47 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Miami, Shelby	41 min
Aug 11, 3:52 PM EDT	Special Weather Statement	ILN	Champaign, Logan	23 min
Aug 11, 4:11 PM EDT	Special Weather Statement	ILN	Hardin	19 min
Aug 11, 4:16 PM EDT	Special Weather Statement	ILN	Union	29 min
Aug 11, 4:24 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Logan, Union	37 min
Aug 11, 4:30 PM EDT	Special Weather Statement	ILN	Champaign	30 min
Aug 11, 4:47 PM EDT	Special Weather Statement	ILN	Franklin, Madison	28 min
Aug 11, 4:58 PM EDT	Special Weather Statement	ILN	Licking	32 min
Aug 11, 5:03 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Madison, Union	42 min
Aug 11, 5:30 PM EDT	Severe Thunderstorm Warning	ILN	Licking	41 min
Aug 11, 5:37 PM EDT	Special Weather Statement	ILN	Fairfield	23 min
Aug 11, 5:58 PM EDT	Special Weather Statement	ILN	Fairfield	32 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.