Alert archive / Indiana / Tornado Warnings in 2007

Tornado Warning 6, NWS Indianapolis, IN

April 11, 2007Boone County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 11, 2007, 6:14 PM EDT for Boone County, Indiana. It was in force for 31 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: Apr 11, 2007, 6:14 PM EDT (22:14 UTC)
Expired: Apr 11, 2007, 6:45 PM EDT
In force: 31 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Boone County, IN

The radar

The Indianapolis radar (KIND), 37 km from the middle of the area, began a volume at 22:17 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 11, 5:28 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.2 hours before the alert went out and 191 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: 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 112215
TORIND
INC011-112245-
/O.NEW.KIND.TO.W.0006.070411T2214Z-070411T2245Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

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

* UNTIL 645 PM EDT

* AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  WHITESTOWN...OR ABOUT 20 MILES NORTHWEST OF INDIANAPOLIS...MOVING
  NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  WHITESTOWN BY 620 PM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 130 AND 137.

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 4000 8649 3995 8645 3993 8634 4005 8624
      4014 8625 4019 8628

$$

1 follow-up statement

000 
WWUS53 KIND 112233 RRA
SVSIND

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

INC011-112245-
/O.CON.KIND.TO.W.0006.000000T0000Z-070411T2245Z/
BOONE-
632 PM EDT WED APR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR EASTERN
BOONE COUNTY...

AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ROSSTON...OR
ABOUT 10 MILES EAST OF LEBANON...MOVING NORTHEAST AT 30 MPH.

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 4000 8649 3995 8645 3993 8634 4005 8624
      4014 8625 4019 8628

$$
DRT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 5:04 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Putnam	26 min
Apr 11, 5:29 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Vigo	31 min
Apr 11, 5:38 PM EDT	Tornado Warning	IND	Boone, Hendricks	37 min
Apr 11, 5:46 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Monroe, Owen	44 min
Apr 11, 6:01 PM EDT	Tornado Warning	IND	Putnam	30 min
Apr 11, 6:22 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Hancock, Johnson, Marion, Morgan and 1 more	38 min
Apr 11, 6:37 PM EDT	Tornado Warning	IND	Hamilton, Tipton	38 min
Apr 11, 6:40 PM EDT	Tornado Warning	IND	Boone, Hendricks	35 min
Apr 11, 6:59 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Hancock, Henry, Madison, Marion, Rush and 1 more	46 min
Apr 11, 7:13 PM EDT	Tornado Warning	IND	Hamilton, Madison, Tipton	47 min
Apr 11, 7:19 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	26 min
Apr 11, 7:44 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison, Randolph	46 min

Nearby

Tornado Warnings in Indiana, 2007 Every tornado warning in 2007 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.