Alert archive / Indiana / Tornado Warnings in 2007

Tornado Warning 15, NWS Indianapolis, IN

October 18, 2007Boone County, Clinton County, Indiana

NWS Indianapolis, IN issued this tornado warning at Oct 18, 2007, 9:38 PM EDT for Boone County, Clinton County, Indiana. It was in force for 36 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: Oct 18, 2007, 9:38 PM EDT (01:38 UTC)
Expired: Oct 18, 2007, 10:14 PM EDT
In force: 36 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

Counties Boone County, IN, Clinton County, IN

The radar

The Indianapolis radar (KIND), 68 km from the middle of the area, began a volume at 01:40 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
Oct 18, 9:59 PM EDT	TSTM WND DMG	Frankfort, IN	LARGE TREE ACROSS ROAD IN TOWN AND POWER LINES DOWN

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.

Issued	Product	Office	Lasted
Oct 18, 4:23 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 177 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: 38 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 2442 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 113 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 190138
TORIND
INC011-023-190230-
/O.NEW.KIND.TO.W.0015.071019T0138Z-071019T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
938 PM EDT THU OCT 18 2007

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BOONE COUNTY IN CENTRAL INDIANA...
  CLINTON COUNTY IN CENTRAL INDIANA...
  THIS INCLUDES THE CITY OF FRANKFORT...

* UNTIL 1030 PM EDT

* AT 936 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR COLFAX...OR
  ABOUT 10 MILES SOUTHWEST OF FRANKFORT...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  FRANKFORT BY 945 PM EDT...
  FRANKFORT BY 950 PM EDT...
  MICHIGANTOWN BY 955 PM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 148 AND 159.

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 4044 8642 4043 8636 4035 8624 4009 8661
      4017 8671 4018 8671 4026 8670
TIME...MOT...LOC 0138Z 225DEG 43KT 4020 8662

$$
SALLY

2 follow-up statements

000 
WWUS53 KIND 190151
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
951 PM EDT THU OCT 18 2007

INC011-190201-
/O.CAN.KIND.TO.W.0015.000000T0000Z-071019T0230Z/
BOONE-
951 PM EDT THU OCT 18 2007

...THE TORNADO WARNING FOR NORTHWESTERN BOONE COUNTY IS CANCELLED...

LAT...LON 4029 8667 4034 8658 4034 8657 4044 8643
      4043 8636 4035 8624 4018 8650 4022 8660
      4027 8668
TIME...MOT...LOC 0151Z 225DEG 43KT 4031 8648

$$

INC023-190230-
/O.CON.KIND.TO.W.0015.000000T0000Z-071019T0230Z/
CLINTON-
951 PM EDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR CLINTON
COUNTY...

AT 949 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO
WAS LOCATED NEAR FRANKFORT...MOVING NORTHEAST AT 45 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 4029 8667 4034 8658 4034 8657 4044 8643
      4043 8636 4035 8624 4018 8650 4022 8660
      4027 8668
TIME...MOT...LOC 0151Z 225DEG 43KT 4031 8648

$$
SALLY

000 
WWUS53 KIND 190214
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1014 PM EDT THU OCT 18 2007

INC023-190224-
/O.CAN.KIND.TO.W.0015.000000T0000Z-071019T0230Z/
CLINTON-
1014 PM EDT THU OCT 18 2007

...THE TORNADO WARNING FOR CLINTON COUNTY IS CANCELLED...

LAT...LON 4029 8667 4034 8658 4034 8657 4044 8643
      4043 8636 4035 8624 4018 8650 4022 8660
      4027 8668
TIME...MOT...LOC 0214Z 225DEG 43KT 4050 8622

$$
SALLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 8:11 PM EDT	Severe Thunderstorm Warning	IND	Warren	34 min
Oct 18, 8:28 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Montgomery, Putnam	36 min
Oct 18, 8:30 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	45 min
Oct 18, 8:56 PM EDT	Severe Thunderstorm Warning	IND	Clinton, Howard, Tipton	49 min
Oct 18, 9:10 PM EDT	Severe Thunderstorm Warning	IND	Tippecanoe	35 min
Oct 18, 9:18 PM EDT	Tornado Warning	IND	Tippecanoe	42 min
Oct 18, 10:06 PM EDT	Tornado Warning	IND	Howard	39 min
Oct 18, 10:16 PM EDT	Tornado Warning	IND	Jackson, Lawrence	30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.