Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 162, NWS Indianapolis, IN

July 24, 20124 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 24, 2012, 9:40 AM EDT for 4 counties in Indiana. It was in force for 50 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, 9:40 AM EDT (13:40 UTC)
Expired
Jul 24, 2012, 10:30 AM EDT
In force
50 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Delaware County, IN, Howard County, IN, Madison County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 89 km from the middle of the area, began a volume at 13:43 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 24, 9:55 AM EDTTSTM WND DMG2 Ne Greentown, INTWO FOOT DIAMETER LIMB DOWNED BY THUNDERSTORM WIND IN TOWN OF SYCAMORE.
Jul 24, 9:55 AM EDTTSTM WND DMGSharpsville, INPOWER KNOCKED OUT BY STORM WINDS AT TRI-CENTRAL HIGH SCHOOL.
Jul 24, 9:55 AM EDTTSTM WND GST 56Kokomo, IN
Jul 24, 10:00 AM EDTTSTM WND DMGKokomo, INTWO TREE LIMBS DOWN...APPROXIMATELY 1 INCH IN DIAMETER.

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 24, 8:00 AM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 1.7 hours before the alert went out and 206 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1858 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
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.

097 
WUUS53 KIND 241340
SVRIND
INC035-067-095-159-241430-
/O.NEW.KIND.SV.W.0162.120724T1340Z-120724T1430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
940 AM EDT TUE JUL 24 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DELAWARE COUNTY IN EAST CENTRAL INDIANA...
  HOWARD COUNTY IN CENTRAL INDIANA...
  NORTHERN MADISON COUNTY IN CENTRAL INDIANA...
  NORTHERN TIPTON COUNTY IN CENTRAL INDIANA...

* UNTIL 1030 AM EDT

* AT 939 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM WABASH TO KOKOMO...AND MOVING SOUTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  INDIAN HEIGHTS...
  SHARPSVILLE...
  GREENTOWN...
  WINDFALL...
  SUMMITVILLE...
  GASTON...
  EATON...
  ALBANY...
  SELMA...

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 43 AND 51.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING 
IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY. LIGHTNING 
IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4057 8586 4038 8585 4038 8522 4017 8522
      4040 8624 4043 8626 4057 8615
TIME...MOT...LOC 1340Z 307DEG 50KT 4079 8579 4040 8616
WIND...HAIL 60MPH <.75IN

$$

RYAN
2 follow-up statements
847 
WWUS53 KIND 241357
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
957 AM EDT TUE JUL 24 2012

INC035-067-095-159-241430-
/O.CON.KIND.SV.W.0162.000000T0000Z-120724T1430Z/
DELAWARE-HOWARD-MADISON-TIPTON-
957 AM EDT TUE JUL 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
DELAWARE...HOWARD...NORTHERN MADISON AND NORTHERN TIPTON COUNTIES
UNTIL 1030 AM EDT...

AT 952 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 6 MILES EAST OF LA FONTAINE TO TIPTON...MOVING SOUTHEAST AT 55
MPH.

LOCATIONS IMPACTED INCLUDE...
  SUMMITVILLE...GASTON...EATON...ALBANY AND SELMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...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.

&&

LAT...LON 4057 8586 4038 8585 4038 8522 4017 8522
      4040 8624 4043 8626 4057 8615
TIME...MOT...LOC 1357Z 307DEG 50KT 4064 8554 4028 8589
WIND...HAIL 60MPH <.75IN

$$

HOMANN/RYAN
304 
WWUS53 KIND 241413
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1013 AM EDT TUE JUL 24 2012

INC067-159-241423-
/O.CAN.KIND.SV.W.0162.000000T0000Z-120724T1430Z/
HOWARD-TIPTON-
1013 AM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR HOWARD AND NORTHERN TIPTON
COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4032 8586 4038 8586 4038 8522 4017 8522
TIME...MOT...LOC 1413Z 307DEG 50KT 4050 8531 4014 8566

$$

INC035-095-241430-
/O.CON.KIND.SV.W.0162.000000T0000Z-120724T1430Z/
DELAWARE-MADISON-
1013 AM EDT TUE JUL 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
DELAWARE AND NORTHERN MADISON COUNTIES UNTIL 1030 AM EDT...

AT 1011 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM MONTPELIER TO ANDERSON...MOVING SOUTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  EATON...ALBANY AND SELMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THESE STORMS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...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.

&&

LAT...LON 4032 8586 4038 8586 4038 8522 4017 8522
TIME...MOT...LOC 1413Z 307DEG 50KT 4050 8531 4014 8566
WIND...HAIL 60MPH <.75IN

$$

HOMANN/RYAN

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 3:18 AM EDTHeat AdvisoryINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more41 hr
Jul 24, 6:09 AM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph39 min
Jul 24, 8:46 AM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Howard, Tippecanoe, Tipton59 min
Jul 24, 10:14 AM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph46 min
Jul 24, 7:37 PM EDTSpecial Weather StatementINDJackson53 min
Jul 24, 7:59 PM EDTSpecial Weather StatementINDJackson46 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012Every 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.