Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 13, NWS Indianapolis, IN

March 23, 2011Hamilton County, Madison County, Indiana

NWS Indianapolis, IN issued this tornado warning at Mar 23, 2011, 8:06 PM EDT for Hamilton County, Madison County, Indiana. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 23, 2011, 8:06 PM EDT (00:06 UTC)
Expired
Mar 23, 2011, 8:30 PM EDT
In force
24 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Hamilton County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 58 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.1 hours before the alert went out and 189 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, Cncnati-Daytn, OH at 00:00Z on 2011-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 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, Cncnati-Daytn, OH at 00:00Z on 2011-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -148 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
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.

493 
WFUS53 KIND 240006
TORIND
INC057-095-240030-
/O.NEW.KIND.TO.W.0013.110324T0006Z-110324T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
806 PM EDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HAMILTON COUNTY IN CENTRAL INDIANA...
  SOUTHERN MADISON COUNTY IN CENTRAL INDIANA...

* UNTIL 830 PM EDT

* AT 802 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR NOBLESVILLE...OR 20 MILES WEST OF
  ANDERSON...AND MOVING EAST AT 45 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  LAPEL AROUND 820 PM EDT...
  ANDERSON...EDGEWOOD...RIVER FOREST AND WOODLAWN HEIGHTS AROUND 825
  PM EDT...

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 8 AND 26.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4021 8565 3998 8565 3997 8611 4015 8611
TIME...MOT...LOC 0006Z 269DEG 37KT 4006 8601

$$

HOMANN/JP
1 follow-up statement
277 
WWUS53 KIND 240021
SVSIND

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

INC057-095-240030-
/O.CON.KIND.TO.W.0013.000000T0000Z-110324T0030Z/
HAMILTON-MADISON-
821 PM EDT WED MAR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN HAMILTON AND
SOUTHERN MADISON COUNTIES UNTIL 830 PM EDT...

AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 9 MILES EAST OF NOBLESVILLE...OR 9 MILES WEST OF
ANDERSON...MOVING EAST AT 45 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  ANDERSON...WOODLAWN HEIGHTS AND COUNTRY CLUB HEIGHTS AROUND 830 PM
  EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3999 8599 4005 8601 4015 8611 4021 8565
      3998 8565
TIME...MOT...LOC 0021Z 267DEG 38KT 4007 8582

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 8:07 PM EDTSevere Thunderstorm WarningINDMarion31 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

Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.