Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 188, NWS Indianapolis, IN

July 31, 20124 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 31, 2012, 7:10 PM EDT for 4 counties in Indiana. It was in force for 50 min. 3 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 31, 2012, 7:10 PM EDT (23:10 UTC)
Expired: Jul 31, 2012, 8:00 PM EDT
In force: 50 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bartholomew County, IN, Brown County, IN, Johnson County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 43 km from the middle of the area, began a volume at 23:13 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 31, 7:17 PM EDT	HAIL 1	5 Se Franklin, IN	QUARTER SIZE HAIL IN AMITY. REPORT FROM MEDIA FACEBOOK PAGE. LATE REPORT.
Jul 31, 7:20 PM EDT	HAIL 0.75	Peoga, IN	MARBLE SIZE HAIL NEAR SOUTH PEOGA ROAD
Jul 31, 7:23 PM EDT	HAIL 1	Edinburgh, 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
Jul 31, 2:13 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.2 hours before the alert went out and 191 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1498 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 45 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.

688 
WUUS53 KIND 312310
SVRIND
INC005-013-081-145-010000-
/O.NEW.KIND.SV.W.0188.120731T2310Z-120801T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
710 PM EDT TUE JUL 31 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BARTHOLOMEW COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN BROWN COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHERN JOHNSON COUNTY IN CENTRAL INDIANA...
  SOUTHWESTERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 800 PM EDT

* AT 709 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
  SOUTH OF FRANKLIN...OR 16 MILES NORTHWEST OF COLUMBUS...AND MOVING
  SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PEOGA...
  PRINCES LAKES...
  EDINBURGH...
  TAYLORSVILLE...
  CLIFFORD...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 73 AND 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3927 8579 3924 8614 3944 8626 3945 8625
      3954 8607 3939 8589
TIME...MOT...LOC 2310Z 322DEG 20KT 3941 8608
WIND...HAIL 60MPH 1.00IN

$$

NIELD

4 follow-up statements

725 
WWUS53 KIND 312327
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
727 PM EDT TUE JUL 31 2012

INC005-013-081-145-010000-
/O.CON.KIND.SV.W.0188.000000T0000Z-120801T0000Z/
BARTHOLOMEW-BROWN-JOHNSON-SHELBY-
727 PM EDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
BROWN...NORTHERN BARTHOLOMEW...SOUTHEASTERN JOHNSON AND SOUTHWESTERN
SHELBY COUNTIES UNTIL 800 PM EDT...

AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 11 MILES
NORTH OF COLUMBUS...MOVING SOUTHEAST AT 25 MPH.

IN ADDITION...AT EDINBURGH QUARTER SIZE HAIL AND DOWNED TREES WERE 
REPORTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
  TAYLORSVILLE AND CLIFFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3936 8619 3948 8600 3939 8589 3927 8579
      3924 8614
TIME...MOT...LOC 2326Z 322DEG 20KT 3935 8594
WIND...HAIL 60MPH 1.00IN

$$

NIELD

529 
WWUS53 KIND 312338
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
738 PM EDT TUE JUL 31 2012

INC013-081-312348-
/O.CAN.KIND.SV.W.0188.000000T0000Z-120801T0000Z/
BROWN-JOHNSON-
738 PM EDT TUE JUL 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BROWN AND
SOUTHEASTERN JOHNSON COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3926 8595 3937 8596 3940 8596 3939 8589
      3927 8579
TIME...MOT...LOC 2338Z 322DEG 20KT 3930 8589

$$

INC005-145-010000-
/O.CON.KIND.SV.W.0188.000000T0000Z-120801T0000Z/
BARTHOLOMEW-SHELBY-
738 PM EDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
BARTHOLOMEW AND SOUTHWESTERN SHELBY COUNTIES UNTIL 800 PM EDT...

AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
NORTH OF COLUMBUS...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  CLIFFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3926 8595 3937 8596 3940 8596 3939 8589
      3927 8579
TIME...MOT...LOC 2338Z 322DEG 20KT 3930 8589
WIND...HAIL 60MPH 1.00IN

$$

NIELD

545 
WWUS53 KIND 312347
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
747 PM EDT TUE JUL 31 2012

INC145-312358-
/O.CAN.KIND.SV.W.0188.000000T0000Z-120801T0000Z/
SHELBY-
747 PM EDT TUE JUL 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SHELBY COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3926 8591 3935 8593 3935 8586 3927 8579
TIME...MOT...LOC 2348Z 320DEG 20KT 3928 8581

$$

INC005-010000-
/O.CON.KIND.SV.W.0188.000000T0000Z-120801T0000Z/
BARTHOLOMEW-
747 PM EDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
BARTHOLOMEW COUNTY UNTIL 800 PM EDT...

AT 746 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
NORTHEAST OF COLUMBUS...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL BARTHOLOMEW COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3926 8591 3935 8593 3935 8586 3927 8579
TIME...MOT...LOC 2348Z 320DEG 20KT 3928 8581
WIND...HAIL 60MPH 1.00IN

$$

NIELD

271 
WWUS53 KIND 010005
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
805 PM EDT TUE JUL 31 2012

INC005-010015-
/O.EXP.KIND.SV.W.0188.000000T0000Z-120801T0000Z/
BARTHOLOMEW-
805 PM EDT TUE JUL 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BARTHOLOMEW
COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 3926 8591 3935 8593 3935 8586 3927 8579
TIME...MOT...LOC 2347Z 320DEG 20KT 3928 8581

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 4:19 PM EDT	Special Weather Statement	IND	Tippecanoe	26 min
Jul 31, 4:23 PM EDT	Special Weather Statement	IND	Clay, Greene, Owen	52 min
Jul 31, 4:35 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Lawrence, Martin, Monroe, Owen	40 min
Jul 31, 4:56 PM EDT	Special Weather Statement	IND	Hamilton, Marion	49 min
Jul 31, 5:14 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Martin	31 min
Jul 31, 5:50 PM EDT	Severe Thunderstorm Warning	IND	Daviess	25 min
Jul 31, 6:13 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	32 min
Jul 31, 6:45 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	16 min
Jul 31, 7:34 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	41 min

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.