Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 42, NWS Indianapolis, IN

March 23, 20127 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2012, 4:43 PM EDT for 7 counties in Indiana. It was in force for 47 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
Mar 23, 2012, 4:43 PM EDT (20:43 UTC)
Expired
Mar 23, 2012, 5:30 PM EDT
In force
47 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clay County, IN, Greene County, IN, Owen County, IN, Parke County, IN, Sullivan County, IN, Vermillion County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 100 km from the middle of the area, began a volume at 20:45 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
Mar 23, 4:45 PM EDTHAIL 14 Nw Dugger, INHAIL IS COVERING THE GROUND
Mar 23, 4:54 PM EDTHAIL 1Dugger, INRELAYED FROM NWSCHAT
Mar 23, 5:00 PM EDTHAIL 0.25North Terre Haute, IN
Mar 23, 5:01 PM EDTHAIL 0.251 Ne Jasonville, 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.

IssuedProductOfficeLasted
Mar 23, 12:44 PM EDTSevere Thunderstorm WatchSPC7 hr
Mar 23, 4:39 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.7 hours before the alert went out and 137 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 2012-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
808 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
57 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.

883 
WUUS53 KIND 232043
SVRIND
INC021-055-119-121-153-165-167-232130-
/O.NEW.KIND.SV.W.0042.120323T2043Z-120323T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
443 PM EDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CLAY COUNTY IN WEST CENTRAL INDIANA...
  NORTHWESTERN GREENE COUNTY IN SOUTHWEST INDIANA...
  SOUTHWESTERN OWEN COUNTY IN WEST CENTRAL INDIANA...
  SOUTHWESTERN PARKE COUNTY IN WEST CENTRAL INDIANA...
  EASTERN SULLIVAN COUNTY IN SOUTHWEST INDIANA...
  SOUTHERN VERMILLION COUNTY IN WEST CENTRAL INDIANA...
  VIGO COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 530 PM EDT

* AT 441 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 5 MILES WEST OF TERRE HAUTE TO
  5 MILES WEST OF LINTON...AND MOVING NORTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TERRE HAUTE...
  LINTON...
  CLINTON...
  PIMENTO...
  DUGGER...
  WEST TERRE HAUTE...
  HYMERA...
  VICKSBURG...
  INDIANA STATE UNIVERSITY...
  COALMONT...
  JASONVILLE...
  SHEPARDSVILLE...
  UNIVERSAL...
  RILEY...
  BLANFORD...
  NORTH TERRE HAUTE...
  FAIRVIEW PARK...
  COAL CITY...
  SEELYVILLE...
  CORY...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 0 AND 21.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3950 8753 3971 8754 3970 8735 3921 8697
      3906 8710 3890 8730 3940 8754
TIME...MOT...LOC 2043Z 194DEG 24KT 3946 8747 3902 8724
WIND...HAIL 60MPH 1.00IN

$$

MRD/JP
2 follow-up statements
518 
WWUS53 KIND 232052
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
452 PM EDT FRI MAR 23 2012

INC021-055-119-121-153-165-167-232130-
/O.CON.KIND.SV.W.0042.000000T0000Z-120323T2130Z/
CLAY-GREENE-OWEN-PARKE-SULLIVAN-VERMILLION-VIGO-
452 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
CLAY...NORTHWESTERN GREENE...SOUTHWESTERN OWEN...SOUTHWESTERN
PARKE...EASTERN SULLIVAN...SOUTHERN VERMILLION AND VIGO COUNTIES
UNTIL 530 PM EDT...

AT 449 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE 
THUNDERSTORMS PRODUCING QUARTER SIZE HAIL IN DUGGER. THESE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM TERRE HAUTE TO 
LINTON...MOVING NORTH AT 30 MPH.

IN ADDITION...AT 431 PM...QUARTER SIZED HAIL WAS REPORTED IN 
CARLISLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
  TERRE HAUTE...CLINTON...INDIANA STATE UNIVERSITY...VICKSBURG...
  COALMONT...JASONVILLE...SHEPARDSVILLE...RILEY...UNIVERSAL...NORTH
  TERRE HAUTE...BLANFORD...FAIRVIEW PARK...COAL CITY...SEELYVILLE...
  CORY...CLAY CITY...SALINE CITY AND STAUNTON.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3950 8753 3971 8754 3970 8735 3921 8697
      3906 8710 3897 8723 3895 8729 3899 8734
      3940 8754
TIME...MOT...LOC 2051Z 194DEG 24KT 3951 8745 3907 8722
WIND...HAIL 60MPH 1.00IN

$$

MRD/JP
620 
WWUS53 KIND 232121
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
521 PM EDT FRI MAR 23 2012

INC055-119-121-153-165-232130-
/O.CAN.KIND.SV.W.0042.000000T0000Z-120323T2130Z/
GREENE-OWEN-PARKE-SULLIVAN-VERMILLION-
521 PM EDT FRI MAR 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GREENE...
SOUTHWESTERN OWEN...SOUTHWESTERN PARKE...EASTERN SULLIVAN AND
SOUTHERN VERMILLION COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 3952 8722 3930 8705 3924 8706 3920 8712
      3949 8735
TIME...MOT...LOC 2120Z 207DEG 36KT 3935 8710

$$

INC021-167-232130-
/O.CON.KIND.SV.W.0042.000000T0000Z-120323T2130Z/
CLAY-VIGO-
521 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL CLAY
AND EAST CENTRAL VIGO COUNTIES UNTIL 530 PM EDT...

AT 517 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 14 MILES
SOUTH OF BRAZIL...OR 18 MILES SOUTHEAST OF TERRE HAUTE...MOVING
NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  SEELYVILLE.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3952 8722 3930 8705 3924 8706 3920 8712
      3949 8735
TIME...MOT...LOC 2120Z 207DEG 36KT 3935 8710
WIND...HAIL 60MPH 1.00IN

$$

MRD/JP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 4:04 PM EDTSpecial Weather StatementINDKnox, Sullivan26 min
Mar 23, 4:10 PM EDTSevere Thunderstorm WarningINDSullivan, Vigo35 min
Mar 23, 4:14 PM EDTSevere Thunderstorm WarningINDGreene, Knox, Sullivan31 min
Mar 23, 4:38 PM EDTSevere Thunderstorm WarningINDDaviess, Knox37 min
Mar 23, 5:12 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Martin33 min
Mar 23, 5:17 PM EDTSevere Thunderstorm WarningINDClay, Owen, Parke, Putnam28 min
Mar 23, 5:24 PM EDTTornado WarningINDDaviess, Greene, Martin21 min
Mar 23, 5:29 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke46 min
Mar 23, 5:41 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Lawrence, Martin, Monroe, Owen34 min
Mar 23, 5:54 PM EDTTornado WarningINDGreene, Lawrence, Monroe21 min
Mar 23, 6:12 PM EDTTornado WarningINDGreene, Monroe33 min
Mar 23, 6:42 PM EDTTornado WarningINDBrown, Monroe, Morgan33 min
Mar 23, 6:46 PM EDTSevere Thunderstorm WarningINDBoone, Hendricks, Marion44 min
Mar 23, 7:14 PM EDTSpecial Weather StatementINDMorgan61 min
Mar 23, 7:30 PM EDTSpecial Weather StatementINDHendricks45 min
Mar 23, 7:34 PM EDTSevere Thunderstorm WarningINDBrown, Monroe, Morgan41 min
Mar 23, 7:51 PM EDTTornado WarningINDBrown24 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.