Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 32, NWS Indianapolis, IN

March 23, 20114 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2011, 8:54 PM EDT for 4 counties in Indiana. It was in force for 26 min. 1 report 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, 2011, 8:54 PM EDT (00:54 UTC)
Expired: Mar 23, 2011, 9:20 PM EDT
In force: 26 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.5 in
Wind: 50.0 mph

Counties Hancock County, IN, Henry County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 00:57 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
Mar 23, 9:10 PM EDT	HAIL 1	3 S Knightstown, IN	AT SR 140 AND RUSHVILLE RD.

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 00:00Z, 0.9 hours before the alert went out and 139 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: 88 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1241 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: -148 m²/s²
0-3 km storm-relative helicity: -83 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

840 
WUUS53 KIND 240054
SVRIND
INC059-065-139-145-240145-
/O.NEW.KIND.SV.W.0032.110324T0054Z-110324T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
854 PM EDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HANCOCK COUNTY IN CENTRAL INDIANA...
  SOUTHERN HENRY COUNTY IN EAST CENTRAL INDIANA...
  NORTHERN RUSH COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 945 PM EDT

* AT 854 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
  THIS STORM WAS LOCATED 9 MILES SOUTHEAST OF GREENFIELD...OR 15
  MILES NORTHEAST OF SHELBYVILLE...AND MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CARTHAGE AND ARLINGTON AROUND 900 PM EDT...
  KNIGHTSTOWN AROUND 905 PM EDT...
  MAYS...DUNREITH...SPICELAND AND GREENSBORO AROUND 910 PM EDT...
  LEWISVILLE AROUND 920 PM EDT...
  STRAUGHN AROUND 925 PM EDT...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 103 AND 133.

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.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3987 8521 3979 8522 3978 8525 3978 8530
      3962 8530 3962 8580 3987 8579 3988 8520
      3987 8520
TIME...MOT...LOC 0054Z 275DEG 30KT 3972 8563
WIND...HAIL <50MPH 1.50IN

$$

77/TDUD

2 follow-up statements

571 
WWUS53 KIND 240108
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
908 PM EDT WED MAR 23 2011

INC059-145-240118-
/O.CAN.KIND.SV.W.0032.000000T0000Z-110324T0145Z/
HANCOCK-SHELBY-
908 PM EDT WED MAR 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SHELBY AND
SOUTHEASTERN HANCOCK COUNTIES IS CANCELLED...

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

LAT...LON 3979 8522 3978 8525 3978 8530 3962 8530
      3962 8563 3979 8562 3979 8560 3987 8560
      3988 8521
TIME...MOT...LOC 0108Z 275DEG 30KT 3971 8548

$$

INC065-139-240145-
/O.CON.KIND.SV.W.0032.000000T0000Z-110324T0145Z/
HENRY-RUSH-
908 PM EDT WED MAR 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN RUSH
AND SOUTHERN HENRY COUNTIES UNTIL 945 PM EDT...

AT 906 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
THIS STORM WAS LOCATED 7 MILES NORTHWEST OF RUSHVILLE...OR 19 MILES
WEST OF CAMBRIDGE CITY...MOVING EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEWISVILLE AROUND 920 PM EDT...
  STRAUGHN AROUND 925 PM EDT...

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.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3979 8522 3978 8525 3978 8530 3962 8530
      3962 8563 3979 8562 3979 8560 3987 8560
      3988 8521
TIME...MOT...LOC 0108Z 275DEG 30KT 3971 8548
WIND...HAIL <50MPH 1.50IN

$$

77/TDUD

186 
WWUS53 KIND 240120
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
920 PM EDT WED MAR 23 2011

INC065-139-240130-
/O.CAN.KIND.SV.W.0032.000000T0000Z-110324T0145Z/
HENRY-RUSH-
920 PM EDT WED MAR 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN RUSH AND SOUTHERN
HENRY COUNTIES IS CANCELLED...

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

LAT...LON 3979 8522 3978 8525 3978 8530 3962 8530
      3962 8563 3979 8562 3979 8560 3987 8560
      3988 8521
TIME...MOT...LOC 0120Z 275DEG 30KT 3970 8535

$$

77/TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 8:06 PM EDT	Tornado Warning	IND	Hamilton, Madison	24 min
Mar 23, 8:07 PM EDT	Severe Thunderstorm Warning	IND	Marion	31 min
Mar 23, 8:18 PM EDT	Severe Thunderstorm Warning	IND	Marion	22 min
Mar 23, 8:27 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Madison, Randolph	48 min
Mar 23, 8:31 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Shelby	25 min
Mar 23, 8:45 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2011 Every severe thunderstorm warning in 2011

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.