Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Wilmington, OH

August 11, 2021Licking County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 11, 2021, 5:30 PM EDT for Licking County, Ohio. It was in force for 41 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: Aug 11, 2021, 5:30 PM EDT (21:30 UTC)
Expired: Aug 11, 2021, 6:11 PM EDT
In force: 41 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Licking County, OH

The radar

The Cincinnati radar (KILN), 139 km from the middle of the area, began a volume at 21:32 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, 5:39 PM EDT	TSTM WND DMG	1 W Newark, OH	ONE HEALTHY 6-INCH DIAMETER TREE LIMB DOWNED NEAR SR-16 AND SR-79 IN NEWARK. TIME ESTIMATED FROM RADAR.
Aug 11, 5:55 PM EDT	TSTM WND DMG	St. Louisville, OH	SEVERAL AREAS OF TREES DOWN, SOME ON POWER LINES. TIME 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
Aug 11, 2:32 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 137 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.

976 
WUUS51 KILN 112130
SVRILN
OHC089-112230-
/O.NEW.KILN.SV.W.0094.210811T2130Z-210811T2230Z/

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

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Licking County in central Ohio...

* Until 630 PM EDT.

* At 530 PM EDT, a severe thunderstorm was located near Westerville,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Newark, Reynoldsburg, Heath, Granville, Pataskala, Johnstown,
  Buckeye Lake, Hebron, Utica, Hanover, Granville South, Marne,
  Beechwood Trails, Summit Station, Harbor Hills, Etna, New Albany,
  Jersey, Kirkersville and Alexandria.

This includes I-70 in Ohio between mile markers 115 and 125, and
between mile markers 127 and 132.
 
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 3996 8220 3994 8246 3995 8278 4020 8276
      4025 8246 4024 8218
TIME...MOT...LOC 2130Z 266DEG 33KT 4009 8285 

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

$$

Hatzos

3 follow-up statements

276 
WWUS51 KILN 112143
SVSILN

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

OHC089-112230-
/O.CON.KILN.SV.W.0094.000000T0000Z-210811T2230Z/
Licking OH-
543 PM EDT Wed Aug 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR LICKING COUNTY...

At 543 PM EDT, a severe thunderstorm was located near Beechwood
Trails, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Newark, Reynoldsburg, Heath, Granville, Pataskala, Johnstown, Buckeye
Lake, Hebron, Utica, Hanover, Granville South, Marne, Beechwood
Trails, Summit Station, Harbor Hills, Etna, New Albany, Jersey,
Kirkersville and Alexandria.

This includes I-70 in Ohio between mile markers 115 and 125, and
between mile markers 127 and 132.
 
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 3996 8220 3994 8246 3995 8278 4016 8276
      4021 8270 4025 8246 4024 8218
TIME...MOT...LOC 2143Z 258DEG 33KT 4008 8270 

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

$$

Hatzos

877 
WWUS51 KILN 112155
SVSILN

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

OHC089-112230-
/O.CON.KILN.SV.W.0094.000000T0000Z-210811T2230Z/
Licking OH-
555 PM EDT Wed Aug 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR LICKING COUNTY...

At 554 PM EDT, a severe thunderstorm was located over Granville
South, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Newark, Heath, Granville, Pataskala, Buckeye Lake, Hebron, Hanover,
Beechwood Trails, Granville South, Marne, Harbor Hills, Etna, 
Kirkersville, Alexandria, St. Louisville, Toboso, Fredonia and 
Purity.

This includes I-70 in Ohio between mile markers 128 and 132.
 
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 3996 8220 3994 8246 3995 8270 4012 8265
      4021 8246 4024 8218
TIME...MOT...LOC 2154Z 276DEG 25KT 4006 8256 

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

$$

Hatzos

514 
WWUS51 KILN 112211
SVSILN

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

OHC089-112221-
/O.CAN.KILN.SV.W.0094.000000T0000Z-210811T2230Z/
Licking OH-
611 PM EDT Wed Aug 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR LICKING COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
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 3996 8220 3994 8246 3995 8270 4012 8265
      4021 8246 4024 8218
TIME...MOT...LOC 2210Z 266DEG 33KT 4007 8236 

$$

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, 3:19 PM EDT	Severe Thunderstorm Warning	ILN	Hardin, Logan	56 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, 5:37 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.