Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 40, NWS Northern Indiana

June 29, 2012Van Wert County, Ohio; 6 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 29, 2012, 2:54 PM EDT for Van Wert County, Ohio; 6 counties in Indiana. It was in force for 51 min. 9 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: Jun 29, 2012, 2:54 PM EDT (18:54 UTC)
Expired: Jun 29, 2012, 3:45 PM EDT
In force: 51 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.5 in
Wind: 70.0 mph

Counties Adams County, IN, Blackford County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, Wells County, IN, Van Wert County, OH

The radar

The Northern Indiana radar (KIWX), 106 km from the middle of the area, began a volume at 18:54 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
Jun 29, 2:58 PM EDT	TSTM WND DMG	Liberty Center, IN	TREES AND POWER LINES DOWN
Jun 29, 3:00 PM EDT	TSTM WND GST 64	1 W Marion, IN	AT CORNER OF SR18 AND 325W. ALSO FLAGPOLES DOWN IN MARION.
Jun 29, 3:05 PM EDT	TSTM WND DMG	Decatur, IN	MASSIVE DAMAGE THROUGH THE ENTIRE NORTH PART OF ADAMS COUNTY WITH INTERMITTENT DAMAGE THROUGHOUT. SMALL FIRES...TRUCKS BLOWN OVER...TREES DOWN...AND ROOFS BLOWN OFF IN DECATUR.
Jun 29, 3:07 PM EDT	TSTM WND GST 58	Gas City, IN
Jun 29, 3:08 PM EDT	TSTM WND DMG	Hartford City, IN	WINDOWS BLOWN IN THROUGHOUT COUNTY. ROOFS BLOWN OFF OF BARNS. TENT DOWN AT THE FAIRGROUNDS. 3 TO 5 FOOT TREES DOWN. SHINGLES BLOWN OFF ROOFS. SIDING OFF BUILDINGS. WELCOME SIGNS IN TOWN BLOWN OVER.
Jun 29, 3:08 PM EDT	TSTM WND GST 58	2 Se Bluffton, IN	TREES DOWN
Jun 29, 3:15 PM EDT	TSTM WND GST 65	2 E Decatur, IN
Jun 29, 3:17 PM EDT	HAIL 1	Pleasant Mills, IN
Jun 29, 3:24 PM EDT	HAIL 1	Pleasant Mills, IN

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
Jun 29, 11:49 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.9 hours before the alert went out and 162 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: 3674 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 979 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -59 m²/s²
0-3 km storm-relative helicity: -13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

530 
WUUS53 KIWX 291854
SVRIWX
INC001-009-053-069-075-179-OHC161-291945-
/O.NEW.KIWX.SV.W.0040.120629T1854Z-120629T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
254 PM EDT FRI JUN 29 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN VAN WERT COUNTY IN WEST CENTRAL OHIO...
  BLACKFORD COUNTY IN EAST CENTRAL INDIANA...
  JAY COUNTY IN EAST CENTRAL INDIANA...
  GRANT COUNTY IN CENTRAL INDIANA...
  WELLS COUNTY IN NORTHEAST INDIANA...
  ADAMS COUNTY IN NORTHEAST INDIANA...
  SOUTHEASTERN HUNTINGTON COUNTY IN NORTHEAST INDIANA...

* UNTIL 345 PM EDT

* AT 250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM OSSIAN TO 5 MILES SOUTHWEST OF SWAYZEE...AND MOVING
  SOUTHEAST AT 65 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  UPLAND...FAIRMOUNT AND BLUFFTON...
  DECATUR...MONTPELIER AND HARTFORD CITY...
  MONROE AND BERNE...
  PENNVILLE...DUNKIRK AND GENEVA...
  OHIO CITY...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TOCSIN...ROLL...ARCANA...FOWLERTON...MCNATTS...WELLSBURG...
TRAVISVILLE...MOUNT ZION...LIBERTY CENTER...CRAIGVILLE...PONETO AND
PREBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS IN EXCESS OF 70
MPH...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

&&

LAT...LON 4039 8522 4040 8587 4049 8587 4092 8526
      4077 8439 4068 8439 4068 8444 4072 8445
      4072 8480 4032 8481 4031 8521
TIME...MOT...LOC 1853Z 294DEG 58KT 4089 8515 4043 8581
WIND...HAIL 70MPH <.50IN

$$

2 follow-up statements

630 
WWUS53 KIWX 291915
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
315 PM EDT FRI JUN 29 2012

INC001-009-053-069-075-179-OHC161-291945-
/O.CON.KIWX.SV.W.0040.000000T0000Z-120629T1945Z/
HUNTINGTON IN-ADAMS IN-WELLS IN-GRANT IN-JAY IN-BLACKFORD IN-
VAN WERT OH-
315 PM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHERN VAN WERT...BLACKFORD...JAY...GRANT...WELLS...ADAMS AND
SOUTHEASTERN HUNTINGTON COUNTIES...

AT 313 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 80 MPH. THESE SEVERE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 8 MILES WEST OF OHIO CITY TO 7
MILES SOUTH OF HARTFORD CITY...AND MOVING SOUTHEAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  PORTLAND...OHIO CITY...REDKEY...BRYANT...CENTER...NEW CORYDON...
  COMO...BLAINE...TRINITY AND WESTCHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS IN EXCESS OF 80
MPH...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

&&

LAT...LON 4039 8522 4040 8587 4049 8587 4088 8504
      4086 8492 4076 8439 4068 8439 4068 8444
      4072 8445 4072 8480 4032 8481 4031 8521
TIME...MOT...LOC 1915Z 294DEG 58KT 4074 8472 4034 8531
WIND...HAIL 80MPH <.50IN

$$

812 
WWUS53 KIWX 291943
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
343 PM EDT FRI JUN 29 2012

INC001-009-053-069-075-179-OHC161-291952-
/O.EXP.KIWX.SV.W.0040.000000T0000Z-120629T1945Z/
HUNTINGTON IN-ADAMS IN-WELLS IN-GRANT IN-JAY IN-BLACKFORD IN-
VAN WERT OH-
343 PM EDT FRI JUN 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN VAN WERT...
BLACKFORD...JAY...GRANT...SOUTHERN WELLS...ADAMS AND SOUTHEASTERN
HUNTINGTON COUNTIES WILL EXPIRE AT 345 PM EDT...

AT 341 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD MOVED
OUT OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN
ALLOWED TO EXPIRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4039 8522 4040 8587 4049 8587 4088 8504
      4086 8492 4076 8439 4068 8439 4068 8444
      4072 8445 4072 8480 4032 8481 4031 8521
TIME...MOT...LOC 1942Z 294DEG 58KT 4056 8420 4016 8479

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 4:13 AM EDT	Heat Advisory	IWX	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	11 hr
Jun 29, 2:48 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Paulding, Van Wert	27 min
Jun 29, 3:09 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Defiance, Henry, Paulding, Putnam, Van Wert	51 min
Jun 29, 3:15 PM EDT	Tornado Warning	IWX	Paulding, Van Wert	30 min
Jun 29, 3:36 PM EDT	Special Weather Statement	IWX	Defiance, Henry	39 min
Jun 29, 3:44 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Henry, Putnam	46 min
Jun 28, 8:51 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Starke	39 min
Jun 28, 9:18 PM EDT	Severe Thunderstorm Warning	IWX	Pulaski, Starke	42 min
Jun 28, 9:47 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Pulaski	43 min
Jun 28, 10:07 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Pulaski, Starke, White	38 min
Jun 28, 10:15 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Miami, Wabash	32 min
Jun 29, 1:25 PM EDT	Special Weather Statement	IWX	Starke	50 min
Jun 29, 1:30 PM EDT	Special Weather Statement	IWX	LaPorte, Saint Joseph	30 min
Jun 29, 1:36 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Marshall, Saint Joseph	39 min
Jun 29, 1:42 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, LaPorte, Marshall, Pulaski, Starke	37 min
Jun 29, 1:55 PM EDT	Special Weather Statement	IWX	Elkhart	35 min
Jun 29, 2:05 PM EDT	Special Weather Statement	IWX	Cass, Fulton, Pulaski	25 min
Jun 29, 2:06 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall, Miami, Wabash, Whitley	39 min
Jun 29, 2:13 PM EDT	Special Weather Statement	IWX	LaGrange, Noble	47 min
Jun 29, 2:18 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Grant, Huntington, Miami, Wabash, Wells	42 min
Jun 29, 2:18 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko, LaGrange, Noble, Whitley	42 min
Jun 29, 2:25 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Wells, Whitley	50 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Severe Thunderstorm Warnings in Ohio, 2012 Every severe thunderstorm warning in 2012

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.