Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 27, NWS Indianapolis, IN

March 23, 2011Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2011, 8:07 PM EDT for Marion County, Indiana. It was in force for 31 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
Mar 23, 2011, 8:07 PM EDT (00:07 UTC)
Expired
Mar 23, 2011, 8:38 PM EDT
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

County Marion County, IN

The radar

The Indianapolis radar (KIND), 12 km from the middle of the area, began a volume at 00:06 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, 8:13 PM EDTHAIL 17 Sw Indianapolis, IN
Mar 23, 8:20 PM EDTHAIL 1.251 S Indianapolis, IN
Mar 23, 8:30 PM EDTHAIL 1.75Indianapolis, INEAST INDIANAPOLIS...NEAR RAYMOND AND FRANKLIN.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.1 hours before the alert went out and 209 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 00:00Z on 2011-03-24Temperature 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 00:00Z on 2011-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
882 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
28 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.

935 
WUUS53 KIND 240007
SVRIND
INC097-240100-
/O.NEW.KIND.SV.W.0027.110324T0007Z-110324T0100Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MARION COUNTY IN CENTRAL INDIANA...

* UNTIL 900 PM EDT

* AT 806 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
  THIS STORM WAS LOCATED NEAR BROWNSBURG...OR 13 MILES WEST OF
  INDIANAPOLIS...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EAGLE CREEK RESERVOIR AND INDIANAPOLIS INT'L AIRPORT AROUND 815 PM
  EDT...
  SPEEDWAY AND WYNNEDALE AROUND 820 PM EDT...
  INDIANA STATE FAIRGROUNDS...INDIANAPOLIS...SPRING HILL AND MONUMENT
  CIRCLE AROUND 825 PM EDT...
  BROAD RIPPLE AROUND 830 PM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 106 AND 124.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 69 AND 85.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 70 AND 73.

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 3988 8610 3967 8611 3968 8633 3988 8634
TIME...MOT...LOC 0007Z 266DEG 33KT 3979 8637
WIND...HAIL <50MPH 1.50IN

$$

77/TDUD
2 follow-up statements
619 
WWUS53 KIND 240022
SVSIND

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

INC097-240100-
/O.CON.KIND.SV.W.0027.000000T0000Z-110324T0100Z/
MARION-
822 PM EDT WED MAR 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL MARION
COUNTY UNTIL 900 PM EDT...

AT 818 PM EDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM PRODUCING
QUARTER SIZE HAIL.  THIS STORM WAS LOCATED NEAR INDIANAPOLIS...MOVING
EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
MARION COUNTY.

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 3988 8610 3967 8611 3968 8633 3988 8634
TIME...MOT...LOC 0022Z 275DEG 43KT 3976 8611
WIND...HAIL <50MPH 1.00IN

$$

PUMA
345 
WWUS53 KIND 240038
SVSIND

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

INC097-240048-
/O.CAN.KIND.SV.W.0027.000000T0000Z-110324T0100Z/
MARION-
838 PM EDT WED MAR 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MARION COUNTY IS
CANCELLED...

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

LAT...LON 3988 8610 3967 8611 3968 8633 3988 8634
TIME...MOT...LOC 0038Z 275DEG 43KT 3974 8586

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 8:06 PM EDTTornado WarningINDHamilton, Madison24 min
Mar 23, 8:18 PM EDTSevere Thunderstorm WarningINDMarion22 min
Mar 23, 8:27 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Madison, Randolph48 min
Mar 23, 8:31 PM EDTSevere Thunderstorm WarningINDHancock, Shelby25 min
Mar 23, 8:45 PM EDTSevere Thunderstorm WarningINDHancock, Henry, Rush, Shelby28 min
Mar 23, 8:54 PM EDTSevere Thunderstorm WarningINDHancock, Henry, Rush, Shelby26 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2011Every 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.