Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 183, NWS Indianapolis, IN

July 31, 20126 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 31, 2012, 4:35 PM EDT for 6 counties in Indiana. It was in force for 40 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
Jul 31, 2012, 4:35 PM EDT (20:35 UTC)
Expired
Jul 31, 2012, 5:15 PM EDT
In force
40 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Daviess County, IN, Greene County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Owen County, IN

The radar

The Indianapolis radar (KIND), 94 km from the middle of the area, began a volume at 20:36 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 31, 4:40 PM EDTTSTM WND DMG1 Sw Freedom, INTREES DOWNED ON GLORYVILLE ROAD 1 MILE SW OF FREEDOM. TREES ALSO DOWNED ON PARRISH ROAD AND HARRINGTON ROAD NEAR FREEDOM. TIME ESTIMATED FROM RADAR. LATE REPORT.
Jul 31, 5:25 PM EDTHAIL 1Lyons, INTREE LIMBS DOWN. WIND GUSTS TO 50 MPH.

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 31, 2:13 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.6 hours before the alert went out and 184 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, Lincoln, IL at 12:00Z on 2012-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2241 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, Lincoln, IL at 12:00Z on 2012-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939587897Sfc1 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
2241 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
958 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

666 
WUUS53 KIND 312035
SVRIND
INC027-055-093-101-105-119-312115-
/O.NEW.KIND.SV.W.0183.120731T2035Z-120731T2115Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DAVIESS COUNTY IN SOUTHWEST INDIANA...
  GREENE COUNTY IN SOUTHWEST INDIANA...
  NORTHWESTERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHERN MARTIN COUNTY IN SOUTHWEST INDIANA...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHWESTERN OWEN COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 515 PM EDT

* AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 10 MILES NORTH OF LINTON...OR 25 MILES SOUTHEAST
  OF TERRE HAUTE...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BLOOMFIELD...
  WORTHINGTON...
  FREEDOM...
  SWITZ CITY...
  LYONS...
  NEWBERRY...
  SOLSBERRY...
  OWENSBURG...
  CRANE...
  BURNS CITY...
  SPRINGVILLE...
  ODON...
  HARRODSBURG...
  FAIRFAX STATE RECREATION AREA...
  WEST BOGGS LAKE...

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.

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

&&

LAT...LON 3866 8697 3913 8720 3917 8715 3917 8707
      3917 8706 3923 8706 3930 8696 3901 8642
TIME...MOT...LOC 2035Z 311DEG 23KT 3916 8708
WIND...HAIL <50MPH 1.00IN

$$

HOMANN/DWM
2 follow-up statements
510 
WWUS53 KIND 312048
SVSIND

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

INC027-055-093-101-105-119-312115-
/O.CON.KIND.SV.W.0183.000000T0000Z-120731T2115Z/
DAVIESS-GREENE-LAWRENCE-MARTIN-MONROE-OWEN-
448 PM EDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
DAVIESS...GREENE...NORTHWESTERN LAWRENCE...NORTHERN MARTIN...
SOUTHWESTERN MONROE AND SOUTHWESTERN OWEN COUNTIES UNTIL 515 PM
EDT...

AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 6 MILES NORTHEAST OF BLOOMFIELD...OR 20 MILES WEST
OF BLOOMINGTON...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  NEWBERRY...SOLSBERRY...ODON...CRANE...BURNS CITY...OWENSBURG...
  SPRINGVILLE...SILVERVILLE...HARRODSBURG...INDIAN SPRINGS...FAIRFAX
  STATE RECREATION AREA AND WEST BOGGS LAKE.

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.

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

&&

LAT...LON 3866 8697 3913 8720 3917 8715 3917 8707
      3917 8706 3923 8706 3930 8696 3901 8642
TIME...MOT...LOC 2049Z 317DEG 28KT 3908 8685
WIND...HAIL <50MPH 1.00IN

$$

HOMANN/DWM
522 
WWUS53 KIND 312100
SVSIND

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

INC027-055-093-101-105-119-312115-
/O.CON.KIND.SV.W.0183.000000T0000Z-120731T2115Z/
DAVIESS-GREENE-LAWRENCE-MARTIN-MONROE-OWEN-
500 PM EDT TUE JUL 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
DAVIESS...GREENE...NORTHWESTERN LAWRENCE...NORTHERN MARTIN...
SOUTHWESTERN MONROE AND SOUTHWESTERN OWEN COUNTIES UNTIL 515 PM
EDT...

AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 8 MILES NORTHEAST OF BLOOMFIELD...OR 17 MILES WEST
OF BLOOMINGTON...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  SOLSBERRY...ODON...CRANE...OWENSBURG...SPRINGVILLE...HARRODSBURG...
  FAIRFAX STATE RECREATION AREA...SILVERVILLE...INDIAN SPRINGS...
  BURNS CITY AND WEST BOGGS LAKE.

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.

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

&&

LAT...LON 3866 8697 3913 8720 3917 8715 3917 8707
      3917 8706 3923 8706 3930 8696 3901 8642
TIME...MOT...LOC 2100Z 310DEG 22KT 3908 8679
WIND...HAIL <50MPH 1.00IN

$$

HOMANN/DWM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 4:19 PM EDTSpecial Weather StatementINDTippecanoe26 min
Jul 31, 4:23 PM EDTSpecial Weather StatementINDClay, Greene, Owen52 min
Jul 31, 4:56 PM EDTSpecial Weather StatementINDHamilton, Marion49 min
Jul 31, 5:14 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Martin31 min
Jul 31, 5:50 PM EDTSevere Thunderstorm WarningINDDaviess25 min
Jul 31, 6:13 PM EDTSevere Thunderstorm WarningINDDaviess, Knox32 min
Jul 31, 6:45 PM EDTSevere Thunderstorm WarningINDDaviess, Knox16 min
Jul 31, 7:10 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Johnson, Shelby50 min
Jul 31, 7:34 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur41 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.