Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Wilmington, OH

July 29, 2021Fairfield County, Franklin County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 29, 2021, 3:50 PM EDT for Fairfield County, Franklin County, Ohio. It was in force for 40 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: Jul 29, 2021, 3:50 PM EDT (19:50 UTC)
Expired: Jul 29, 2021, 4:30 PM EDT
In force: 40 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Fairfield County, OH, Franklin County, OH

The radar

The Cincinnati radar (KILN), 110 km from the middle of the area, began a volume at 19:52 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
Jul 29, 3:13 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 108 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: 1163 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

452 
WUUS51 KILN 291950
SVRILN
OHC045-049-292030-
/O.NEW.KILN.SV.W.0071.210729T1950Z-210729T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
350 PM EDT Thu Jul 29 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southeastern Franklin County in central Ohio...
  Fairfield County in central Ohio...

* Until 430 PM EDT.

* At 350 PM EDT, a severe thunderstorm was located over Canal
  Winchester, moving southeast at 20 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to trees and power lines.

* Locations impacted include...
  Lancaster, Pickerington, Canal Winchester, Groveport, Baltimore,
  Bremen, Pleasantville, Hide-A-Way Hills, Royalton, Lithopolis,
  Carroll, Sugar Grove, Rushville, West Rushville, Fairfield County
  Airport, US Route 22 at State Route 159, Clearport, North Berne and
  Dumontville.

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 3966 8237 3966 8249 3963 8249 3960 8253
      3961 8262 3956 8262 3956 8263 3976 8283
      3979 8282 3980 8287 3983 8290 3991 8276
      3989 8268 3976 8240 3974 8240 3974 8237
TIME...MOT...LOC 1950Z 303DEG 17KT 3985 8279 

HAIL...1.50IN
WIND...60MPH
 
$$

ch

2 follow-up statements

196 
WWUS51 KILN 292008
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
408 PM EDT Thu Jul 29 2021

OHC049-292018-
/O.CAN.KILN.SV.W.0071.000000T0000Z-210729T2030Z/
Franklin OH-
408 PM EDT Thu Jul 29 2021

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

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Ohio.

LAT...LON 3966 8237 3966 8249 3963 8249 3960 8253
      3961 8262 3956 8262 3956 8263 3976 8283
      3979 8282 3988 8265 3976 8240 3974 8240
      3974 8237
TIME...MOT...LOC 2008Z 301DEG 20KT 3979 8267 

$$

OHC045-292030-
/O.CON.KILN.SV.W.0071.000000T0000Z-210729T2030Z/
Fairfield OH-
408 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR CENTRAL FAIRFIELD COUNTY...

At 408 PM EDT, a severe thunderstorm was located near Baltimore,
moving southeast at 25 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...
Lancaster, Baltimore, Bremen, Pleasantville, Hide-A-Way Hills,
Royalton, Carroll, Sugar Grove, Rushville, West Rushville, Fairfield
County Airport, US Route 22 at State Route 159, Clearport, North
Berne and Dumontville.

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 3966 8237 3966 8249 3963 8249 3960 8253
      3961 8262 3956 8262 3956 8263 3976 8283
      3979 8282 3988 8265 3976 8240 3974 8240
      3974 8237
TIME...MOT...LOC 2008Z 301DEG 20KT 3979 8267 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

ch

362 
WWUS51 KILN 292025
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
425 PM EDT Thu Jul 29 2021

OHC045-292035-
/O.EXP.KILN.SV.W.0071.000000T0000Z-210729T2030Z/
Fairfield OH-
425 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FAIRFIELD COUNTY WILL
EXPIRE AT 430 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1000 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.

Remember, a Severe Thunderstorm Warning still remains in effect for
southeastern Fairfield county until 515 PM.

LAT...LON 3966 8237 3966 8249 3963 8249 3960 8253
      3961 8262 3956 8262 3956 8263 3976 8283
      3979 8282 3988 8265 3976 8240 3974 8240
      3974 8237
TIME...MOT...LOC 2025Z 303DEG 17KT 3975 8259 

$$

ch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 6:30 AM EDT	Special Weather Statement	ILN	Auglaize, Mercer	60 min
Jul 29, 7:19 AM EDT	Special Weather Statement	ILN	Darke	41 min
Jul 29, 9:51 AM EDT	Special Weather Statement	ILN	Licking	39 min
Jul 29, 2:29 PM EDT	Special Weather Statement	ILN	Franklin	31 min
Jul 29, 2:49 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Fairfield, Franklin, Licking	41 min
Jul 29, 3:13 PM EDT	Special Weather Statement	ILN	Licking	17 min
Jul 29, 3:13 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Pickaway	47 min
Jul 29, 3:37 PM EDT	Special Weather Statement	ILN	Delaware	23 min
Jul 29, 3:43 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Licking, Madison, Union	24 min
Jul 29, 3:44 PM EDT	Special Weather Statement	ILN	Madison	31 min
Jul 29, 3:57 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Madison	48 min
Jul 29, 4:06 PM EDT	Areal Flood Advisory	ILN	Franklin	114 min
Jul 29, 4:06 PM EDT	Special Weather Statement	ILN	Licking	24 min
Jul 29, 4:07 PM EDT	Special Weather Statement	ILN	Franklin	23 min
Jul 29, 4:24 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Hocking	37 min
Jul 29, 4:35 PM EDT	Special Weather Statement	ILN	Clark, Madison	25 min
Jul 29, 4:43 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Franklin, Madison, Pickaway	47 min
Jul 29, 4:48 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Fayette, Madison	42 min
Jul 29, 5:00 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Pickaway, Ross	45 min
Jul 29, 5:01 PM EDT	Areal Flood Advisory	ILN	Clark, Franklin, Madison, Pickaway	85 min
Jul 29, 5:20 PM EDT	Tornado Warning	ILN	Pickaway, Ross	25 min
Jul 29, 5:24 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Highland, Ross	66 min
Jul 29, 5:44 PM EDT	Special Weather Statement	ILN	Greene	31 min
Jul 29, 5:58 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Ross, Scioto	62 min
Jul 29, 6:13 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene	47 min
Jul 29, 6:34 PM EDT	Areal Flood Advisory	ILN	Fayette, Greene, Highland, Pickaway, Pike, Ross	3 hr
Jul 29, 6:51 PM EDT	Special Weather Statement	ILN	Fayette, Greene	24 min
Jul 29, 6:55 PM EDT	Special Weather Statement	ILN	Pike, Scioto	35 min
Jul 29, 7:02 PM EDT	Special Weather Statement	ILN	Clinton	28 min
Jul 29, 7:25 PM EDT	Special Weather Statement	ILN	Pike, Scioto	35 min
Jul 29, 7:26 PM EDT	Special Weather Statement	ILN	Highland	34 min
Jul 29, 7:45 PM EDT	Areal Flood Advisory	ILN	Adams, Clinton, Fayette, Greene, Highland, Pike and 1 more	4 hr
Jul 29, 7:52 PM EDT	Special Weather Statement	ILN	Adams, Highland	38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.