Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Northern Indiana

August 11, 2021Defiance County, Paulding County, Van Wert County, Ohio; 6 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Aug 11, 2021, 1:48 PM EDT for Defiance County, Paulding County, Van Wert County, Ohio; 6 counties in Indiana. It was in force for 27 min. 13 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, 1:48 PM EDT (17:48 UTC)
Expired: Aug 11, 2021, 2:15 PM EDT
In force: 27 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Adams County, IN, Allen County, IN, DeKalb County, IN, Huntington County, IN, Jay County, IN, Wells County, IN, Defiance County, OH, Paulding County, OH, Van Wert County, OH

The radar

The Northern Indiana radar (KIWX), 60 km from the middle of the area, began a volume at 17:49 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, 1:50 PM EDT	TSTM WND DMG	2 Nw Fort Wayne, IN	DELAYED REPORT. A TREE LIMB BROKE THROUGH A WINDOW AT A MANUFACTURING PLANT. NO INJURIES.
Aug 11, 2:00 PM EDT	TSTM WND DMG	Auburn, IN	NUMEROUS TREES DOWN ACROSS THE ENTIRE COUNTY.
Aug 11, 2:07 PM EDT	TSTM WND DMG	Harlan, IN	REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN.
Aug 11, 2:10 PM EDT	TSTM WND DMG	3 Sse Wallen, IN	TREE DOWN ON WELLS ST. REPORTED THROUGH FACEBOOK.
Aug 11, 2:10 PM EDT	TSTM WND DMG	Hicksville, OH	DELAYED REPORT. A 1 FT DIAMETER TREE LIMB WAS DOWNED ACROSS HIGH STREET, FELL ONTO POWER LINE. TREE LIMB APPEARED HEALTHY IN PICTURE.
Aug 11, 2:10 PM EDT	TSTM WND GST 65	Hicksville, OH	DELAYED REPORT.
Aug 11, 2:14 PM EDT	TSTM WND DMG	1 N Huntertown, IN	LARGE TREE BLOCKING THE ROAD AT INTERSECTION STATE ROAD 3 AND SHOAFF ROAD.
Aug 11, 2:15 PM EDT	TSTM WND DMG	2 Nw Woodburn, IN	ESTIMATED 3 INCH DIAMETER ROTTED BRANCH DOWN. ESTIMATED WIND GUSTS OF 47-54 MPH.
Aug 11, 2:15 PM EDT	TSTM WND GST 61	4 Nnw Uniondale, IN	SHINGLES REMOVED FROM OLD BARN. AUTOMATED WX STATION RECORDED 61 MPH WIND GUST.
Aug 11, 2:16 PM EDT	TSTM WND DMG	Leo-Cedarville, IN	REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN.
Aug 11, 2:17 PM EDT	TSTM WND DMG	3 W New Haven, IN	REPORT FROM MPING: TREES UPROOTED OR SNAPPED.
Aug 11, 2:17 PM EDT	TSTM WND DMG	Fort Wayne, IN	MULTIPLE REPORTS OF DOWNED TREES AND POWERLINES REPORTED BY ALLEN COUNTY DISPATCH.
Aug 11, 2:24 PM EDT	TSTM WND GST 73	3 Sse Hicksville, OH	TRAINED SPOTTER 73 MPH MEASURED WIND GUST AT THE CORNER OF OHIO STATE ROUTE 49 AND PAULDING/DEFIANCE COUNTY LINE RD. SEVERAL LARGE BRANCHES DOWN AND OBJECTS BLOWN AROUND IN THE AREA.

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, 11:50 AM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.8 hours before the alert went out and 210 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.

734 
WUUS53 KIWX 111748
SVRIWX
INC001-003-033-069-075-179-OHC039-125-161-111815-
/O.NEW.KIWX.SV.W.0089.210811T1748Z-210811T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
148 PM EDT Wed Aug 11 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Allen County in northeastern Indiana...
  Southern De Kalb County in northeastern Indiana...
  Southeastern Huntington County in northeastern Indiana...
  Wells County in northeastern Indiana...
  Adams County in northeastern Indiana...
  North central Jay County in east central Indiana...
  Northwestern Defiance County in northwestern Ohio...
  Western Paulding County in west central Ohio...
  Northwestern Van Wert County in west central Ohio...

* Until 215 PM EDT.

* At 148 PM EDT, severe thunderstorms were located along a line
  extending from near Avilla to 8 miles northwest of Ossian to near
  La Fontaine, moving east at 55 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Fort Wayne, New Haven, Auburn, Bluffton, Decatur, Garrett, Berne,
  Hicksville, Ossian, Huntertown, Antwerp, Woodburn, Geneva,
  Monroeville, Payne, Markle, Convoy, Grabill, Monroe and St. Joe.

This includes the following highways...
 Interstate 469 between mile markers 0 and 30.
 Interstate 69 in Indiana between mile markers 274 and 332.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Northern Indiana.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4070 8556 4098 8530 4126 8522 4126 8519
      4142 8517 4140 8460 4089 8466 4052 8505
TIME...MOT...LOC 1748Z 277DEG 47KT 4140 8522 4098 8527 4066 8563 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CM

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 12:56 AM EDT	Special Weather Statement	IWX	Paulding, Van Wert	49 min
Aug 11, 1:22 AM EDT	Special Weather Statement	IWX	Defiance, Paulding, Van Wert	23 min
Aug 11, 7:28 AM EDT	Special Weather Statement	IWX	Putnam	32 min
Aug 11, 7:57 AM EDT	Special Weather Statement	IWX	Putnam	33 min
Aug 11, 8:35 AM EDT	Special Weather Statement	IWX	Allen, Van Wert	40 min
Aug 11, 9:07 AM EDT	Areal Flood Warning	IWX	Allen, Putnam	3 hr
Aug 11, 2:02 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Fulton, Henry, Williams	43 min
Aug 11, 2:14 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Paulding, Putnam, Van Wert	46 min
Aug 11, 2:44 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Fulton, Henry, Williams	46 min
Aug 11, 2:48 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Defiance, Henry, Putnam, Van Wert	57 min
Aug 10, 8:49 PM EDT	Special Marine Warning	IWX		86 min
Aug 10, 9:49 PM EDT	Special Weather Statement	IWX	LaPorte	41 min
Aug 10, 9:56 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Saint Joseph	49 min
Aug 10, 10:18 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, LaPorte, Marshall, Saint Joseph, Starke	57 min
Aug 10, 10:42 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, LaGrange, Noble, Saint Joseph	48 min
Aug 10, 11:02 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Marshall, Pulaski, Starke	43 min
Aug 10, 11:31 PM EDT	Special Weather Statement	IWX	Steuben	29 min
Aug 10, 11:41 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall, Miami, Pulaski	34 min
Aug 11, 12:05 AM EDT	Severe Thunderstorm Warning	IWX	Fulton, Huntington, Kosciusko, Miami, Wabash, Whitley	40 min
Aug 11, 12:29 AM EDT	Special Weather Statement	IWX	Huntington	31 min
Aug 11, 12:38 AM EDT	Special Weather Statement	IWX	Allen	22 min
Aug 11, 3:57 AM EDT	Special Weather Statement	IWX	Cass, White	33 min
Aug 11, 4:46 AM EDT	Special Weather Statement	IWX	Cass, Fulton, Miami	44 min
Aug 11, 4:59 AM EDT	Special Weather Statement	IWX	Kosciusko	46 min
Aug 11, 5:21 AM EDT	Special Weather Statement	IWX	LaPorte	39 min
Aug 11, 5:49 AM EDT	Special Weather Statement	IWX	Noble	41 min
Aug 11, 5:52 AM EDT	Special Weather Statement	IWX	LaPorte	38 min
Aug 11, 5:54 AM EDT	Special Weather Statement	IWX	Whitley	51 min
Aug 11, 11:22 AM EDT	Special Weather Statement	IWX	Starke	38 min
Aug 11, 11:36 AM EDT	Special Marine Warning	IWX		54 min
Aug 11, 12:00 PM EDT	Special Weather Statement	IWX	Kosciusko, LaPorte, Marshall, Saint Joseph, Starke	30 min
Aug 11, 12:16 PM EDT	Severe Thunderstorm Warning	IWX	Kosciusko, Marshall	29 min
Aug 11, 12:29 PM EDT	Special Weather Statement	IWX	Elkhart, Fulton, Kosciusko, LaPorte, Marshall, Pulaski and 2 more	46 min
Aug 11, 12:34 PM EDT	Special Marine Warning	IWX		56 min
Aug 11, 12:43 PM EDT	Areal Flood Advisory	IWX	Kosciusko, LaPorte, Marshall, Pulaski, Saint Joseph, Starke	3 hr
Aug 11, 12:47 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Fulton, Kosciusko, Marshall, Saint Joseph	43 min
Aug 11, 12:54 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Kosciusko, Miami, Pulaski, Wabash	36 min
Aug 11, 1:10 PM EDT	Special Weather Statement	IWX	Elkhart, LaGrange	50 min
Aug 11, 1:17 PM EDT	Severe Thunderstorm Warning	IWX	Allen, DeKalb, Elkhart, Huntington, Kosciusko, Miami and 3 more	43 min
Aug 11, 1:29 PM EDT	Special Marine Warning	IWX		46 min
Aug 11, 1:39 PM EDT	Severe Thunderstorm Warning	IWX	LaGrange, Steuben	36 min
Aug 11, 2:05 PM EDT	Severe Thunderstorm Warning	IWX	Blackford, Grant, Huntington, Jay, Wells	55 min
Aug 11, 3:01 PM EDT	Severe Thunderstorm Warning	IWX	Jay	29 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.