Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 230, NWS Indianapolis, IN

August 16, 20125 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 16, 2012, 6:58 PM EDT for 5 counties in Indiana. It was in force for 47 min. 2 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: Aug 16, 2012, 6:58 PM EDT (22:58 UTC)
Expired: Aug 16, 2012, 7:45 PM EDT
In force: 47 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Brown County, IN, Jackson County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN

What was reported inside it

Time	Report	Where	Remark
Aug 16, 7:15 PM EDT	TSTM WND DMG	2 Nnw Orleans, IN	SPOTTER ESTIMATED 50-60 MPH WIND GUSTS AND REPORTED SEVERAL 1.5 - 2 INCH LIMBS DOWN ON ROADS. HEAVY RAIN AND CLOUD-TO-GROUND LIGHTNING AS WELL.
Aug 16, 7:40 PM EDT	TSTM WND DMG	Freetown, IN	TREES AND STREET SIGNS DOWN IN FREETOWN

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
Aug 16, 4:27 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 227 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: 5 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 59 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.

592 
WUUS53 KIND 162258
SVRIND
INC013-071-093-101-105-162345-
/O.NEW.KIND.SV.W.0230.120816T2258Z-120816T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
658 PM EDT THU AUG 16 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN BROWN COUNTY IN SOUTH CENTRAL INDIANA...
  JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHEASTERN MARTIN COUNTY IN SOUTHWEST INDIANA...
  SOUTHERN MONROE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 745 PM EDT

* AT 654 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 8 MILES SOUTHWEST OF
  BLOOMINGTON TO 7 MILES NORTHWEST OF BEDFORD TO SHOALS...AND MOVING
  EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEDFORD...
  BROWNSTOWN...
  OOLITIC...
  HURON...
  HARRODSBURG...
  FAIRFAX STATE RECREATION AREA...
  SMITHVILLE...
  BARTLETTSVILLE...
  MITCHELL...
  HELTONVILLE...
  TUNNELTON...
  SPRING MILL STATE PARK...
  CHARLES DEAM WILDERNESS...
  NORMAN...
  PLEASANT VIEW...
  MEDORA...
  KURTZ...
  VALLONIA...
  FREETOWN...
  CROTHERSVILLE...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 40 AND 43.

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.

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY 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 NATURES LEADING KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3869 8667 3876 8683 3891 8671 3891 8668
      3915 8668 3903 8607 3887 8579 3873 8588
      3875 8594 3875 8597 3878 8609 3876 8612
      3878 8621 3876 8627 3873 8631 3868 8631
TIME...MOT...LOC 2258Z 290DEG 36KT 3910 8661 3891 8654
          3868 8676
WIND...HAIL 60MPH 1.00IN

$$

RYAN

1 follow-up statement

478 
WWUS53 KIND 162319
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
719 PM EDT THU AUG 16 2012

INC013-101-162329-
/O.CAN.KIND.SV.W.0230.000000T0000Z-120816T2345Z/
BROWN-MARTIN-
719 PM EDT THU AUG 16 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BROWN AND
NORTHEASTERN MARTIN COUNTIES IS CANCELLED...

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

LAT...LON 3870 8668 3888 8659 3909 8664 3906 8637
      3905 8637 3903 8607 3887 8579 3873 8588
      3875 8594 3875 8597 3878 8609 3876 8612
      3878 8621 3876 8627 3873 8631 3868 8631
TIME...MOT...LOC 2319Z 314DEG 18KT 3903 8641 3884 8634
          3861 8656

$$

INC071-093-105-162345-
/O.CON.KIND.SV.W.0230.000000T0000Z-120816T2345Z/
JACKSON-LAWRENCE-MONROE-
719 PM EDT THU AUG 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR JACKSON...
LAWRENCE AND SOUTHERN MONROE COUNTIES UNTIL 745 PM EDT...

AT 717 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 11 MILES SOUTHEAST OF BLOOMINGTON
TO 8 MILES EAST OF BEDFORD TO 7 MILES NORTHWEST OF PAOLI...MOVING
SOUTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  BROWNSTOWN...SPRING MILL STATE PARK...CHARLES DEAM WILDERNESS...
  NORMAN...PLEASANT VIEW...MEDORA...KURTZ...VALLONIA...FREETOWN AND
  CROTHERSVILLE.

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.

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.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3870 8668 3888 8659 3909 8664 3906 8637
      3905 8637 3903 8607 3887 8579 3873 8588
      3875 8594 3875 8597 3878 8609 3876 8612
      3878 8621 3876 8627 3873 8631 3868 8631
TIME...MOT...LOC 2319Z 314DEG 18KT 3903 8641 3884 8634
          3861 8656
WIND...HAIL 60MPH 1.00IN

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 11:00 AM EDT	Special Weather Statement	IND	Carroll, Clinton, Tippecanoe, Warren	45 min
Aug 16, 11:49 AM EDT	Special Weather Statement	IND	Boone, Carroll, Clinton, Fountain, Hamilton, Howard and 4 more	56 min
Aug 16, 3:43 PM EDT	Special Weather Statement	IND	Fountain, Parke, Vermillion	62 min
Aug 16, 4:05 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	27 min
Aug 16, 4:44 PM EDT	Severe Thunderstorm Warning	IND	Vermillion, Vigo	46 min
Aug 16, 4:47 PM EDT	Areal Flood Advisory	IND	Fountain, Montgomery, Parke, Putnam, Vermillion, Warren	3 hr
Aug 16, 5:29 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Owen, Sullivan, Vigo	46 min
Aug 16, 5:34 PM EDT	Areal Flood Warning	IND	Parke, Vermillion, Vigo	3 hr
Aug 16, 5:42 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	48 min
Aug 16, 6:09 PM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Lawrence, Martin, Monroe and 1 more	51 min
Aug 16, 6:15 PM EDT	Areal Flood Warning	IND	Clay, Greene, Owen, Sullivan	3 hr
Aug 16, 6:27 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox, Lawrence, Martin	48 min
Aug 16, 7:13 PM EDT	Areal Flood Advisory	IND	Brown, Jackson, Lawrence, Monroe	4 hr
Aug 16, 7:47 PM EDT	Special Weather Statement	IND	Jackson	43 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.