Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 86, NWS Northern Indiana

July 24, 20125 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 24, 2012, 8:24 AM EDT for 5 counties in Indiana. It was in force for 51 min. 4 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 24, 2012, 8:24 AM EDT (12:24 UTC)
Expired: Jul 24, 2012, 9:15 AM EDT
In force: 51 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Fulton County, IN, Kosciusko County, IN, Marshall County, IN, Noble County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 21 km from the middle of the area, began a volume at 12:24 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
Jul 24, 8:52 AM EDT	HAIL 0.7	1 Nnw Warsaw, IN	HAIL UP TO DIME SIZE
Jul 24, 8:57 AM EDT	HAIL 0.5	4 E Warsaw, IN	HAIL MEASURED UP TO FIVE EIGHTHS OF AN INCH.
Jul 24, 9:01 AM EDT	TSTM WND GST 60	1 E Larwill, IN
Jul 24, 9:03 AM EDT	HAIL 0.7	Columbia City, IN	REPORT OF HAIL UP TO DIME SIZE NEAR COLUMBIA CITY. TIME ESTIMATED FROM RADAR.

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
Jul 24, 8:00 AM EDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 0.4 hours before the alert went out and 258 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: 841 J/kg
Mixed-layer CIN: -263 J/kg
Mixed-layer LCL: 2251 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

942 
WUUS53 KIWX 241224
SVRIWX
INC049-085-099-113-183-241315-
/O.NEW.KIWX.SV.W.0086.120724T1224Z-120724T1315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
824 AM EDT TUE JUL 24 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WHITLEY COUNTY IN NORTHEAST INDIANA...
  KOSCIUSKO COUNTY IN NORTH CENTRAL INDIANA...
  EASTERN MARSHALL COUNTY IN NORTH CENTRAL INDIANA...
  SOUTHWESTERN NOBLE COUNTY IN NORTHEAST INDIANA...
  NORTHEASTERN FULTON COUNTY IN NORTH CENTRAL INDIANA...

* UNTIL 915 AM EDT

* AT 819 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE SEVERE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES NORTH OF MILFORD
  TO 9 MILES WEST OF MILFORD TO 7 MILES NORTH OF BOURBON...AND MOVING
  SOUTHEAST AT 45 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  NORTH WEBSTER...
  WARSAW...MENTONE AND ROCHESTER...
  WINONA LAKE...
  TRI-LAKES AND PIERCETON...
  COLUMBIA CITY...
  SOUTH WHITLEY...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
OAKWOOD PARK...LAKE WAWASEE...DEWART LAKE...HASTINGS...ETNA GREEN...
WALNUT...OLD TIP TOWN...TIPPECANOE...TIOSA...TALMA...TIPPECANOE LAKE
AND JAMES LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR GOLF BALL SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH...ALONG WITH DEADLY CLOUD TO GROUND
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4144 8620 4145 8567 4104 8534 4104 8622
TIME...MOT...LOC 1224Z 323DEG 41KT 4144 8578 4141 8597
          4135 8610
WIND...HAIL 60MPH 1.75IN

$$

2 follow-up statements

059 
WWUS53 KIWX 241241
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
841 AM EDT TUE JUL 24 2012

INC049-099-241251-
/O.CAN.KIWX.SV.W.0086.000000T0000Z-120724T1315Z/
FULTON IN-MARSHALL IN-
841 AM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARSHALL AND
NORTHEASTERN FULTON COUNTIES IS CANCELLED...

AT 837 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD 
MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4105 8602 4136 8604 4140 8563 4104 8534
TIME...MOT...LOC 1241Z 323DEG 41KT 4128 8563 4125 8582
          4119 8595

$$

INC085-113-183-241315-
/O.CON.KIWX.SV.W.0086.000000T0000Z-120724T1315Z/
NOBLE IN-KOSCIUSKO IN-WHITLEY IN-
841 AM EDT TUE JUL 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM EDT
FOR WHITLEY...KOSCIUSKO AND SOUTHWESTERN NOBLE COUNTIES...

AT 837 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM NORTH WEBSTER TO 3 MILES 
NORTH OF WARSAW TO 7 MILES WEST OF WARSAW...AND MOVING SOUTHEAST AT 
45 MPH.

LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  WARSAW  
  TRI-LAKES AND PIERCETON...
  COLUMBIA CITY...
  SOUTH WHITLEY...

OTHER LOCATIONS IMPACTED BY THIS LINE OF SEVERE THUNDERSTORMS INCLUDE
BEAVER DAM LAKE...LORANE...LARWILL...PACKERTON...CLAYPOOL...SILVER
LAKE...SIDNEY...PEABODY...COLLAMER AND WASHINGTON CENTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR GOLF BALL SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH....ALONG WITH DEADLY CLOUD TO GROUND
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4105 8602 4136 8604 4140 8563 4104 8534
TIME...MOT...LOC 1241Z 323DEG 41KT 4128 8563 4125 8582
          4119 8595
WIND...HAIL 60MPH 1.75IN

$$

922 
WWUS53 KIWX 241312
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
912 AM EDT TUE JUL 24 2012

INC085-113-183-241322-
/O.EXP.KIWX.SV.W.0086.000000T0000Z-120724T1315Z/
NOBLE IN-KOSCIUSKO IN-WHITLEY IN-
912 AM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR WHITLEY...KOSCIUSKO AND
SOUTHWESTERN NOBLE COUNTIES WILL EXPIRE AT 915 AM EDT...

AT 912 AM 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 WILL BE
ALLOWED TO EXPIRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4105 8602 4136 8604 4140 8563 4104 8534
TIME...MOT...LOC 1308Z 323DEG 41KT 4103 8539 4100 8558
          4094 8571

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 2:59 AM EDT	Special Weather Statement	IWX	Cass, Miami	31 min
Jul 24, 4:01 AM EDT	Special Weather Statement	IWX	Cass, Fulton, Miami, Pulaski, Starke	44 min
Jul 24, 6:11 AM EDT	Special Weather Statement	IWX	Blackford	34 min
Jul 24, 6:50 AM EDT	Special Weather Statement	IWX	Elkhart	25 min
Jul 24, 7:10 AM EDT	Special Weather Statement	IWX	Wells	35 min
Jul 24, 7:25 AM EDT	Special Weather Statement	IWX	Elkhart, LaGrange, Saint Joseph, Steuben	35 min
Jul 24, 7:34 AM EDT	Special Marine Warning	IWX		56 min
Jul 24, 8:10 AM EDT	Severe Thunderstorm Warning	IWX	Elkhart, LaPorte, Marshall, Saint Joseph, Starke	50 min
Jul 24, 8:18 AM EDT	Special Weather Statement	IWX	Kosciusko	42 min
Jul 24, 8:43 AM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Marshall, Miami, Pulaski, Starke and 2 more	62 min
Jul 24, 9:07 AM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Wells, Whitley	28 min
Jul 24, 9:45 AM EDT	Severe Thunderstorm Warning	IWX	Blackford, Grant, Huntington, Jay, Miami, Wabash and 1 more	57 min
Jul 24, 10:00 AM EDT	Severe Thunderstorm Warning	IWX	Adams, Huntington, Jay, Wells	45 min
Jul 24, 3:58 PM EDT	Heat Advisory	IWX	Adams, Allen, Blackford, Cass, Elkhart, Fulton and 12 more	28 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 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.