Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 90, NWS Northern Indiana

July 24, 20124 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 24, 2012, 10:00 AM EDT for 4 counties in Indiana. It was in force for 45 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: Jul 24, 2012, 10:00 AM EDT (14:00 UTC)
Expired: Jul 24, 2012, 10:45 AM EDT
In force: 45 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Adams County, IN, Huntington County, IN, Jay County, IN, Wells County, IN

The radar

The Northern Indiana radar (KIWX), 89 km from the middle of the area, began a volume at 14:00 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 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.0 hours before the alert went out and 179 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: 1858 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

062 
WUUS53 KIWX 241400
SVRIWX
INC001-069-075-179-241445-
/O.NEW.KIWX.SV.W.0090.120724T1400Z-120724T1445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1000 AM EDT TUE JUL 24 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JAY COUNTY IN EAST CENTRAL INDIANA...
  WELLS COUNTY IN NORTHEAST INDIANA...
  SOUTHERN ADAMS COUNTY IN NORTHEAST INDIANA...
  EAST CENTRAL HUNTINGTON COUNTY IN NORTHEAST INDIANA...

* UNTIL 1045 AM EDT

* AT 956 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM OSSIAN TO 4 MILES SOUTH OF MARKLE...AND MOVING
  SOUTHEAST AT 65 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  BLUFFTON...
  MONROE...
  BERNE...
  GENEVA...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
WELLSBURG...TRAVISVILLE...CRAIGVILLE...PONETO...CURRYVILLE...
PREBLE...PETERSON...REIFFSBURG...PETROLEUM...DOMESTIC...VERA CRUZ AND
LINN GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR 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 4080 8540 4092 8525 4092 8516 4075 8480
      4037 8480 4033 8485
TIME...MOT...LOC 1400Z 310DEG 55KT 4084 8514 4073 8529
WIND...HAIL 60MPH <.50IN

$$

3 follow-up statements

409 
WWUS53 KIWX 241417
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1017 AM EDT TUE JUL 24 2012

INC069-241427-
/O.CAN.KIWX.SV.W.0090.000000T0000Z-120724T1445Z/
HUNTINGTON IN-
1017 AM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HUNTINGTON COUNTY
IS CANCELLED...

AT 1014 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 4063 8520 4082 8494 4075 8480 4037 8480
      4033 8485
TIME...MOT...LOC 1417Z 310DEG 55KT 4071 8480 4052 8504

$$

INC001-075-179-241445-
/O.CON.KIWX.SV.W.0090.000000T0000Z-120724T1445Z/
ADAMS IN-WELLS IN-JAY IN-
1017 AM EDT TUE JUL 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT
FOR EASTERN JAY...SOUTHEASTERN WELLS AND SOUTHERN ADAMS COUNTIES...

AT 1014 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 5 MILES EAST OF MONROE TO 8 MILES SOUTHWEST OF
GENEVA...AND MOVING SOUTHEAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  BRYANT...NEW CORYDON...TRINITY...WESTCHESTER...BRICE...BELLFOUNTAIN
  AND SALAMONIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR 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 4063 8520 4082 8494 4075 8480 4037 8480
      4033 8485
TIME...MOT...LOC 1417Z 310DEG 55KT 4071 8480 4052 8504
WIND...HAIL 60MPH <.50IN

$$

953 
WWUS53 KIWX 241433
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1033 AM EDT TUE JUL 24 2012

INC001-179-241441-
/O.CAN.KIWX.SV.W.0090.000000T0000Z-120724T1445Z/
ADAMS IN-WELLS IN-
1033 AM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WELLS AND
SOUTHERN ADAMS COUNTIES IS CANCELLED...

AT 1028 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD
WEAKENED OR 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 4053 8508 4059 8481 4037 8480 4033 8485
TIME...MOT...LOC 1431Z 317DEG 53KT 4045 8475 4036 8488

$$

INC075-241445-
/O.CON.KIWX.SV.W.0090.000000T0000Z-120724T1445Z/
JAY IN-
1033 AM EDT TUE JUL 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT
FOR EASTERN JAY COUNTY...

AT 1028 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM EXTREME WEST CENTRAL MERCER COUNTY TO CENTRAL JAY
COUNTY...AND MOVING SOUTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  SALAMONIA
  BRICE
  BELLFOUNTAIN
  RURAL AREAS OF SOUTHEASTERN JAY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR 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 4053 8508 4059 8481 4037 8480 4033 8485
TIME...MOT...LOC 1431Z 317DEG 53KT 4045 8475 4036 8488
WIND...HAIL 60MPH <.50IN

$$

109 
WWUS53 KIWX 241443
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1043 AM EDT TUE JUL 24 2012

INC075-241453-
/O.EXP.KIWX.SV.W.0090.000000T0000Z-120724T1445Z/
JAY IN-
1043 AM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JAY COUNTY WILL EXPIRE
AT 1045 AM EDT...

AT 1042 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
HAS BEEN 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 4053 8508 4059 8481 4037 8480 4033 8485
TIME...MOT...LOC 1443Z 317DEG 53KT 4032 8459 4023 8472

$$

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, 8:24 AM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall, Noble, Whitley	51 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.