Alert archive / Indiana / Tornado Warnings in 2007

Tornado Warning 12, NWS Indianapolis, IN

October 17, 2007Owen County, Indiana

NWS Indianapolis, IN issued this tornado warning at Oct 17, 2007, 5:07 PM EDT for Owen County, Indiana. It was in force for 23 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 17, 2007, 5:07 PM EDT (21:07 UTC)
Expired: Oct 17, 2007, 5:30 PM EDT
In force: 23 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

County Owen County, IN

The radar

The Indianapolis radar (KIND), 62 km from the middle of the area, began a volume at 21:07 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 17, 5:34 PM EDT	HAIL 0.88	10 N Spencer, IN	ON US 231 10 MILES NORTH OF SPENCER

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 12:00Z, 9.1 hours before the alert went out and 172 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: 1400 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 67 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 172107
TORIND
INC119-172130-
/O.NEW.KIND.TO.W.0012.071017T2107Z-071017T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
507 PM EDT WED OCT 17 2007

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN OWEN COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 530 PM EDT

* AT 503 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL
  OWEN COUNTY...OR ABOUT 24 MILES NORTHWEST OF BLOOMINGTON...MOVING
  NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL NORTHERN OWEN COUNTY AT 520 PM EDT

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 3935 8695 3939 8695 3946 8687 3945 8665
      3938 8663 3926 8688 3934 8700
TIME...MOT...LOC 2107Z 228DEG 24KT 3934 8690

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 4:59 AM EDT	Dense Fog Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	4 hr
Oct 17, 4:29 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen	46 min
Oct 17, 5:30 PM EDT	Tornado Warning	IND	Morgan, Owen	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.