Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 144, NWS Indianapolis, IN

July 8, 2012Brown County, Jackson County, Lawrence County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 8, 2012, 2:15 PM EDT for Brown County, Jackson County, Lawrence County, Indiana. It was in force for 45 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 8, 2012, 2:15 PM EDT (18:15 UTC)
Expired: Jul 8, 2012, 3:00 PM EDT
In force: 45 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

The radar

The Indianapolis radar (KIND), 98 km from the middle of the area, began a volume at 18:16 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 8, 2:42 PM EDT	TSTM WND GST 60	9 Ne Heltonville, IN	NORMAN STATION AREA
Jul 8, 2:52 PM EDT	TSTM WND DMG	Vallonia, IN	6 TO 8 INCH DIAMETER LIMBS DOWN
Jul 8, 2:52 PM EDT	HAIL 0.25	Vallonia, IN	6 TO 8 INCH DIAMETER LIMBS DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 220 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: 2132 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1196 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

296 
WUUS53 KIND 081815
SVRIND
INC013-071-093-081900-
/O.NEW.KIND.SV.W.0144.120708T1815Z-120708T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
215 PM EDT SUN JUL 8 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BROWN COUNTY IN SOUTH CENTRAL INDIANA...
  WESTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  EASTERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 300 PM EDT

* AT 212 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 SOUTH OF NASHVILLE TO
  12 MILES SOUTHEAST OF BEDFORD...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BROWNSTOWN...
  KURTZ...
  SPURGEONS CORNER...
  PLEASANT VIEW...
  FREETOWN...
  MEDORA...
  VALLONIA...

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 3868 8642 3908 8624 3908 8608 3903 8608
      3903 8600 3877 8607 3878 8622 3876 8624
      3876 8627 3874 8628 3873 8631 3869 8631
TIME...MOT...LOC 1815Z 273DEG 13KT 3906 8615 3871 8634
WIND...HAIL 60MPH 1.00IN

$$

PUMA

2 follow-up statements

370 
WWUS53 KIND 081825
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
225 PM EDT SUN JUL 8 2012

INC013-071-093-081900-
/O.CON.KIND.SV.W.0144.000000T0000Z-120708T1900Z/
BROWN-JACKSON-LAWRENCE-
225 PM EDT SUN JUL 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BROWN...WESTERN JACKSON AND SOUTHEASTERN LAWRENCE COUNTIES UNTIL 300
PM EDT...

AT 221 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 NORTHWEST OF BROWNSTOWN
TO 12 MILES SOUTHEAST OF BEDFORD...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  BROWNSTOWN...FREETOWN...PLEASANT VIEW...MEDORA AND VALLONIA.

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 3868 8642 3883 8635 3897 8625 3908 8624
      3908 8608 3903 8608 3903 8600 3877 8607
      3878 8622 3876 8624 3876 8627 3874 8628
      3873 8631 3869 8631
TIME...MOT...LOC 1825Z 265DEG 12KT 3903 8612 3872 8634
WIND...HAIL 60MPH 1.00IN

$$

PUMA

221 
WWUS53 KIND 081842
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
242 PM EDT SUN JUL 8 2012

INC013-081852-
/O.CAN.KIND.SV.W.0144.000000T0000Z-120708T1900Z/
BROWN-
242 PM EDT SUN JUL 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROWN COUNTY IS
CANCELLED...

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

LAT...LON 3868 8642 3884 8634 3884 8627 3897 8625
      3901 8617 3904 8609 3903 8608 3903 8600
      3877 8607 3878 8622 3876 8624 3876 8627
      3874 8628 3873 8631 3869 8631
TIME...MOT...LOC 1842Z 265DEG 12KT 3899 8608 3879 8621

$$

INC071-093-081900-
/O.CON.KIND.SV.W.0144.000000T0000Z-120708T1900Z/
JACKSON-LAWRENCE-
242 PM EDT SUN JUL 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
JACKSON AND SOUTHEASTERN LAWRENCE COUNTIES UNTIL 300 PM EDT...

AT 239 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 NORTH OF BROWNSTOWN TO 12
MILES SOUTHWEST OF BROWNSTOWN...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  BROWNSTOWN...MEDORA AND VALLONIA.

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 3868 8642 3884 8634 3884 8627 3897 8625
      3901 8617 3904 8609 3903 8608 3903 8600
      3877 8607 3878 8622 3876 8624 3876 8627
      3874 8628 3873 8631 3869 8631
TIME...MOT...LOC 1842Z 265DEG 12KT 3899 8608 3879 8621
WIND...HAIL 60MPH 1.00IN

$$

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:40 PM EDT	Special Weather Statement	IND	Johnson	50 min
Jul 7, 10:29 PM EDT	Special Weather Statement	IND	Lawrence	46 min
Jul 7, 10:31 PM EDT	Special Weather Statement	IND	Jackson	44 min
Jul 8, 1:25 PM EDT	Severe Thunderstorm Warning	IND	Lawrence, Monroe	50 min
Jul 8, 1:43 PM EDT	Severe Thunderstorm Warning	IND	Lawrence	32 min
Jul 8, 2:39 PM EDT	Severe Thunderstorm Warning	IND	Jackson	51 min
Jul 8, 2:49 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox	41 min
Jul 8, 3:03 PM EDT	Severe Thunderstorm Warning	IND	Jackson	27 min
Jul 8, 3:10 PM EDT	Severe Thunderstorm Warning	IND	Sullivan	50 min
Jul 8, 3:17 PM EDT	Areal Flood Advisory	IND	Lawrence, Martin	3 hr
Jul 8, 3:24 PM EDT	Severe Thunderstorm Warning	IND	Greene, Owen	51 min
Jul 8, 3:29 PM EDT	Severe Thunderstorm Warning	IND	Greene	46 min
Jul 8, 3:35 PM EDT	Severe Thunderstorm Warning	IND	Monroe	40 min
Jul 8, 3:37 PM EDT	Areal Flood Advisory	IND	Greene	3 hr
Jul 8, 3:41 PM EDT	Areal Flood Advisory	IND	Jackson	3 hr
Jul 8, 4:03 PM EDT	Severe Thunderstorm Warning	IND	Clay	10 min
Jul 8, 4:22 PM EDT	Areal Flood Advisory	IND	Greene, Lawrence, Monroe	3 hr
Jul 8, 5:44 PM EDT	Special Weather Statement	IND	Knox	46 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.