Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 84, NWS Wilmington, OH

August 7, 2021Wayne County, Indiana; Darke County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 7, 2021, 5:51 PM EDT for Wayne County, Indiana; Darke County, Ohio. It was in force for 39 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: Aug 7, 2021, 5:51 PM EDT (21:51 UTC)
Expired: Aug 7, 2021, 6:30 PM EDT
In force: 39 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Wayne County, IN, Darke County, OH

The radar

The Cincinnati radar (KILN), 106 km from the middle of the area, began a volume at 21:51 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.9 hours before the alert went out and 107 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: 815 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 973 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

702 
WUUS51 KILN 072151
SVRILN
INC177-OHC037-072230-
/O.NEW.KILN.SV.W.0084.210807T2151Z-210807T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
551 PM EDT Sat Aug 7 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wayne County in east central Indiana...
  Southwestern Darke County in west central Ohio...

* Until 630 PM EDT.

* At 551 PM EDT, a severe thunderstorm was located near Fountain
  City, moving south at 10 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...
  Richmond, Centerville, New Madison, Fountain City, Greens Fork,
  Bethel, Hollansburg, Economy, Whitewater, Interstate 70 at Exit
  145, Middleboro and Williamsburg.

This includes I-70 in Indiana between mile markers 144 and 151.
 
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 4000 8481 4010 8481 3994 8466 3991 8474
      3992 8481 3989 8481 3983 8502 4000 8512
TIME...MOT...LOC 2151Z 338DEG 10KT 4006 8494 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

ch

2 follow-up statements

548 
WWUS51 KILN 072209
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
609 PM EDT Sat Aug 7 2021

OHC037-072219-
/O.CAN.KILN.SV.W.0084.000000T0000Z-210807T2230Z/
Darke OH-
609 PM EDT Sat Aug 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DARKE 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 4000 8512 4000 8481 3989 8481 3983 8502
TIME...MOT...LOC 2209Z 354DEG 10KT 4001 8496 

$$

INC177-072230-
/O.CON.KILN.SV.W.0084.000000T0000Z-210807T2230Z/
Wayne IN-
609 PM EDT Sat Aug 7 2021

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

At 609 PM EDT, a severe thunderstorm was located near Fountain City,
moving south at 10 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...
Richmond, Centerville, Fountain City, Greens Fork, Bethel, Economy,
Whitewater, Interstate 70 at Exit 145, Middleboro and Williamsburg.

This includes I-70 in Indiana between mile markers 144 and 151.
 
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 4000 8512 4000 8481 3989 8481 3983 8502
TIME...MOT...LOC 2209Z 354DEG 10KT 4001 8496 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

ch

201 
WWUS51 KILN 072223
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
623 PM EDT Sat Aug 7 2021

INC177-072231-
/O.EXP.KILN.SV.W.0084.000000T0000Z-210807T2230Z/
Wayne IN-
623 PM EDT Sat Aug 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE COUNTY WILL
EXPIRE AT 630 PM EDT...
        
Remember, a Severe Thunderstorm Warning still remains in effect for
northern Wayne County Indiana.

LAT...LON 4000 8512 4000 8481 3989 8481 3983 8502
TIME...MOT...LOC 2221Z 338DEG 10KT 3998 8494 

$$

ch

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 6:20 PM EDT	Severe Thunderstorm Warning	ILN	Wayne	55 min
Aug 7, 6:48 PM EDT	Areal Flood Advisory	ILN	Wayne	3 hr
Aug 7, 7:14 PM EDT	Special Weather Statement	ILN	Fayette	31 min
Aug 7, 7:34 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Wayne	41 min
Aug 7, 2:12 PM EDT	Special Weather Statement	ILN	Auglaize	33 min
Aug 7, 2:22 PM EDT	Special Weather Statement	ILN	Shelby	23 min
Aug 7, 3:18 PM EDT	Special Weather Statement	ILN	Delaware	27 min
Aug 7, 3:33 PM EDT	Special Weather Statement	ILN	Union	27 min
Aug 7, 3:48 PM EDT	Special Weather Statement	ILN	Union	27 min
Aug 7, 4:15 PM EDT	Special Weather Statement	ILN	Delaware	30 min
Aug 7, 4:30 PM EDT	Special Weather Statement	ILN	Madison	30 min
Aug 7, 4:41 PM EDT	Special Weather Statement	ILN	Miami	34 min
Aug 7, 4:45 PM EDT	Special Weather Statement	ILN	Franklin	30 min
Aug 7, 4:47 PM EDT	Areal Flood Advisory	ILN	Union	3 hr
Aug 7, 5:02 PM EDT	Special Weather Statement	ILN	Darke	28 min
Aug 7, 5:04 PM EDT	Areal Flood Advisory	ILN	Delaware, Franklin, Licking	3 hr
Aug 7, 5:11 PM EDT	Special Weather Statement	ILN	Franklin	34 min
Aug 7, 5:43 PM EDT	Special Weather Statement	ILN	Greene	32 min
Aug 7, 6:09 PM EDT	Areal Flood Advisory	ILN	Montgomery	3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2021 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.