Alert archive / Indiana / Tornado Warnings in 2007

Tornado Warning 8, NWS Indianapolis, IN

April 11, 2007Boone County, Hendricks County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 11, 2007, 6:40 PM EDT for Boone County, Hendricks County, Indiana. It was in force for 35 min. 6 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
Apr 11, 2007, 6:40 PM EDT (22:40 UTC)
Expired
Apr 11, 2007, 7:15 PM EDT
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

Counties Boone County, IN, Hendricks County, IN

The radar

The Indianapolis radar (KIND), 32 km from the middle of the area, began a volume at 22:43 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
Apr 11, 6:45 PM EDTTSTM WND DMG1 E Lizton, INROOF DAMAGE...FARM BUILDING DAMAGE...TREES DOWN
Apr 11, 6:45 PM EDTTSTM WND DMG1 Ese Lizton, INTREES AND POWERLINES DOWN 3/4 MI EAST ON US136
Apr 11, 6:45 PM EDTTSTM WND DMG1 S Lizton, INBARN DAMAGE...ROOF OFF 2 HOUSES...5 HOUSES DAMAGED
Apr 11, 6:51 PM EDTTSTM WND DMGLebanon, INSR39 AND I-65...BILLBOARDS DOWN...METAL DEBRIS
Apr 11, 6:51 PM EDTTSTM WND DMGPittsboro, INSR39 AND I-74...BILLBOARDS DOWN...METAL DEBRIS
Apr 11, 6:55 PM EDTTSTM WND DMG2 E Lizton, INMETAL DEBRIS REPORTED IN ROADWAY

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
Apr 11, 5:28 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.7 hours before the alert went out and 179 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 2007-04-11Temperature 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 2007-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 square meters per square second.1939587897117Sfc1 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
520 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
257 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.

000 
WFUS53 KIND 112240
TORIND
INC011-063-112330-
/O.NEW.KIND.TO.W.0008.070411T2240Z-070411T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
640 PM EDT WED APR 11 2007

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BOONE COUNTY IN CENTRAL INDIANA...
  NORTHERN HENDRICKS COUNTY IN CENTRAL INDIANA...

* UNTIL 730 PM EDT

* AT 639 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LIZTON...OR
  ABOUT 22 MILES SOUTHEAST OF CRAWFORDSVILLE...MOVING NORTHEAST AT 45
  MPH.

* THE TORNADO WILL BE NEAR...
  WHITESTOWN BY 655 PM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 129 AND 142.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 52 AND 66.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3987 8671 3976 8652 3994 8625 4019 8641

$$
DRT
3 follow-up statements
000 
WWUS53 KIND 112247
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
646 PM EDT WED APR 11 2007

INC011-063-112330-
/O.CON.KIND.TO.W.0008.000000T0000Z-070411T2330Z/
BOONE-HENDRICKS-
646 PM EDT WED APR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR NORTHERN
HENDRICKS AND SOUTHEASTERN BOONE COUNTIES...

AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PITTSBORO...OR
ABOUT 20 MILES WEST OF INDIANAPOLIS...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  ZIONSVILLE BY 700 PM EDT...
  
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3987 8671 3976 8652 3994 8625 4019 8641

$$
DRT
000 
WWUS53 KIND 112258
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
656 PM EDT WED APR 11 2007

INC011-063-112330-
/O.CON.KIND.TO.W.0008.000000T0000Z-070411T2330Z/
BOONE-HENDRICKS-
656 PM EDT WED APR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR NORTHERN
HENDRICKS AND SOUTHEASTERN BOONE COUNTIES...

AT 651 PM EDT...DOPPLER RADAR INDICATED A TORNADO NEAR STATE ROAD 
267 NORTH OF BROWNSBURG ALONG THE HENDRICKS AND BOONE COUNTY LINE. 
THE TORNADO WAS MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  INTERSTATE 65 MILE MARKER 131 BETWEEN ZIONSVILLE AND WHITESTOWN    
  AT 710 PM EDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3987 8671 3976 8652 3994 8625 4019 8641

$$
DRT
000 
WWUS53 KIND 112315
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
715 PM EDT WED APR 11 2007

INC011-063-112325-
/O.CAN.KIND.TO.W.0008.000000T0000Z-070411T2330Z/
BOONE-HENDRICKS-
715 PM EDT WED APR 11 2007

...THE TORNADO WARNING FOR NORTHERN HENDRICKS AND SOUTHEASTERN BOONE
COUNTIES IS CANCELLED...

LAT...LON 3987 8671 3976 8652 3994 8625 4019 8641

$$
DRT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 5:04 PM EDTSevere Thunderstorm WarningINDHendricks, Putnam26 min
Apr 11, 5:29 PM EDTSevere Thunderstorm WarningINDClay, Parke, Vigo31 min
Apr 11, 5:38 PM EDTTornado WarningINDBoone, Hendricks37 min
Apr 11, 5:46 PM EDTSevere Thunderstorm WarningINDBrown, Greene, Monroe, Owen44 min
Apr 11, 6:01 PM EDTTornado WarningINDPutnam30 min
Apr 11, 6:14 PM EDTTornado WarningINDBoone31 min
Apr 11, 6:22 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Hancock, Johnson, Marion, Morgan and 1 more38 min
Apr 11, 6:37 PM EDTTornado WarningINDHamilton, Tipton38 min
Apr 11, 6:59 PM EDTSevere Thunderstorm WarningINDDecatur, Hancock, Henry, Madison, Marion, Rush and 1 more46 min
Apr 11, 7:13 PM EDTTornado WarningINDHamilton, Madison, Tipton47 min
Apr 11, 7:19 PM EDTSevere Thunderstorm WarningINDHamilton, Madison26 min
Apr 11, 7:44 PM EDTSevere Thunderstorm WarningINDDelaware, Madison, Randolph46 min

Nearby

Tornado Warnings in Indiana, 2007Every tornado warning in 2007Tornadoes in 2007

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.