Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 55, NWS Northern Indiana

July 7, 2021Allen County, Indiana; 5 counties in Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jul 7, 2021, 5:54 PM EDT for Allen County, Indiana; 5 counties in Ohio. It was in force for 51 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 7, 2021, 5:54 PM EDT (21:54 UTC)
Expired
Jul 7, 2021, 6:45 PM EDT
In force
51 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Allen County, IN, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 123 km from the middle of the area, began a volume at 21:55 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

TimeReportWhereRemark
Jul 7, 6:18 PM EDTTSTM WND DMG3 Se The Bend, OHROOF DAMAGE TO BARN. DAMAGE TO HOUSE/ROOM ADDITION UNDER CONSTRUCTION.
Jul 7, 6:18 PM EDTTSTM WND DMG3 Se The Bend, OHSEMI PICKED UP AND TOSSED ON SR 24/CR143. RAILROAD SIGN ALSO BLOWN OVER.

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.

IssuedProductOfficeLasted
Jul 7, 1:31 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.9 hours before the alert went out and 161 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1092 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1092 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

959 
WUUS53 KIWX 072154
SVRIWX
INC003-OHC039-051-069-125-171-072245-
/O.NEW.KIWX.SV.W.0055.210707T2154Z-210707T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
554 PM EDT Wed Jul 7 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  East central Allen County in northeastern Indiana...
  Defiance County in northwestern Ohio...
  Paulding County in west central Ohio...
  Northwestern Henry County in northwestern Ohio...
  Southeastern Williams County in northwestern Ohio...
  Southern Fulton County in northwestern Ohio...

* Until 645 PM EDT.

* At 553 PM EDT, severe thunderstorms were located along a line
  extending from Archbold to Woodburn, moving east at 20 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Defiance, Napoleon, Wauseon, Archbold, Swanton, Paulding, Delta,
  Antwerp, Woodburn, Payne, Liberty Center, Ney, Melrose, Florida,
  Latty, Cecil, Broughton, Evansport, Arthur and Ridgeville Corners.

This includes Interstate 80 in Ohio between mile markers 33 and 48.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4153 8388 4106 8447 4105 8496 4157 8431
      4165 8388
TIME...MOT...LOC 2153Z 261DEG 18KT 4153 8430 4112 8482 

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

PBM
1 follow-up statement
776 
WWUS53 KIWX 072220
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
620 PM EDT Wed Jul 7 2021

INC003-072229-
/O.CAN.KIWX.SV.W.0055.000000T0000Z-210707T2245Z/
Allen IN-
620 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ALLEN 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 900 PM EDT for
northwestern and west central Ohio.

LAT...LON 4108 8444 4117 8480 4157 8431 4165 8388
      4153 8388
TIME...MOT...LOC 2219Z 254DEG 31KT 4126 8446 

$$

OHC039-051-069-125-171-072245-
/O.CON.KIWX.SV.W.0055.000000T0000Z-210707T2245Z/
Defiance OH-Paulding OH-Henry OH-Williams OH-Fulton OH-
620 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR DEFIANCE...NORTHERN PAULDING...NORTHWESTERN HENRY...SOUTHEASTERN
WILLIAMS AND SOUTHERN FULTON COUNTIES...

At 619 PM EDT, a severe thunderstorm was located near Defiance,
moving east at 35 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Defiance, Napoleon, Wauseon, Archbold, Swanton, Paulding, Delta,
Antwerp, Liberty Center, Ney, Melrose, Florida, Cecil, Evansport,
Arthur, Ridgeville Corners, Charloe, Gerald, Ayersville and
Brunersburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4108 8444 4117 8480 4157 8431 4165 8388
      4153 8388
TIME...MOT...LOC 2219Z 254DEG 31KT 4126 8446 

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

MCD

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 12:18 PM EDTSpecial Weather StatementIWXAdams27 min
Jul 7, 12:40 PM EDTSpecial Weather StatementIWXJay50 min
Jul 7, 12:42 PM EDTSpecial Weather StatementIWXSteuben48 min
Jul 7, 1:10 PM EDTAreal Flood AdvisoryIWXDeKalb, LaGrange, Noble, Steuben3 hr
Jul 7, 2:23 PM EDTSpecial Weather StatementIWXLaPorte37 min
Jul 7, 3:00 PM EDTSpecial Weather StatementIWXLaGrange30 min
Jul 7, 3:09 PM EDTSpecial Weather StatementIWXNoble36 min
Jul 7, 3:18 PM EDTAreal Flood AdvisoryIWXElkhart, Kosciusko, LaGrange, Noble117 min
Jul 7, 3:43 PM EDTSpecial Weather StatementIWXMiami, Wabash32 min
Jul 7, 4:19 PM EDTSpecial Weather StatementIWXFulton26 min
Jul 7, 4:29 PM EDTSpecial Weather StatementIWXWhitley31 min
Jul 7, 4:30 PM EDTSpecial Weather StatementIWXElkhart45 min
Jul 7, 4:41 PM EDTSpecial Weather StatementIWXGrant, Huntington, Wells34 min
Jul 7, 4:43 PM EDTSpecial Weather StatementIWXMiami47 min
Jul 7, 4:55 PM EDTSpecial Weather StatementIWXMarshall35 min
Jul 7, 5:29 PM EDTSpecial Weather StatementIWXKosciusko, LaGrange31 min
Jul 7, 6:10 PM EDTSpecial Weather StatementIWXNoble50 min
Jul 7, 6:13 PM EDTAreal Flood AdvisoryIWXElkhart, Kosciusko, Noble, Whitley3 hr
Jul 7, 6:54 PM EDTSpecial Weather StatementIWXStarke51 min
Jul 7, 7:26 PM EDTSevere Thunderstorm WarningIWXFulton, Marshall, Pulaski, Starke49 min
Jul 7, 7:56 PM EDTSpecial Weather StatementIWXFulton49 min
Jul 7, 1:28 PM EDTSpecial Weather StatementIWXAllen47 min
Jul 7, 1:41 PM EDTSpecial Weather StatementIWXVan Wert34 min
Jul 7, 2:11 PM EDTSpecial Weather StatementIWXPutnam34 min
Jul 7, 2:15 PM EDTAreal Flood AdvisoryIWXAllen, Putnam, Van Wert2 hr
Jul 7, 2:33 PM EDTSpecial Weather StatementIWXHenry27 min
Jul 7, 2:43 PM EDTSevere Thunderstorm WarningIWXHenry, Putnam17 min
Jul 7, 4:45 PM EDTSpecial Weather StatementIWXWilliams45 min
Jul 7, 4:53 PM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Williams52 min
Jul 7, 4:57 PM EDTSpecial Weather StatementIWXVan Wert48 min
Jul 7, 5:34 PM EDTSpecial Weather StatementIWXPaulding, Van Wert41 min
Jul 7, 6:26 PM EDTAreal Flood AdvisoryIWXDefiance, Fulton, Henry, Paulding, Williams3 hr
Jul 7, 6:39 PM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry22 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Severe Thunderstorm Warnings in Indiana, 2021Every 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.