Alert archive / Indiana / Tornado Warnings in 2003

Tornado Warning 18, NWS Indianapolis, IN

July 4, 2003Boone County, Madison County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jul 4, 2003, 5:56 PM EST for Boone County, Madison County, Indiana. It was in force for 49 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: Jul 4, 2003, 5:56 PM EST (22:56 UTC)
Expired: Jul 4, 2003, 6:45 PM EST
In force: 49 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Boone County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 50 km from the middle of the area, began a volume at 22:58 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
Jul 4, 2:20 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 207 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: 718 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1115 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 39 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.

111 
WFUS53 KIND 042256
TORIND
INC011-095-042345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
555 PM EST FRI JUL 4 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  BOONE COUNTY IN CENTRAL INDIANA
  WEST CENTRAL MADISON COUNTY IN CENTRAL INDIANA

* UNTIL 645 PM EST

* AT 553 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  NORTHEAST OF ULEN...OR ABOUT 12 MILES SOUTHEAST OF FRANKFORT...
  MOVING EAST AT 20 MPH.

* THE MOST DANGEROUS PART OF THE STORM IS EXPECTED TO BE NEAR...
  LAPEL AT 645 PM EST

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM. GET UNDER STURDY FURNITURE OR USE BLANKETS
OR PILLOWS TO COVER YOUR BODY.

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.

LAT...LON 3999 8580 3999 8585 4021 8586 4017 8624
          4003 8628 4003 8643 4019 8648 4020 8618
          4022 8602 4024 8589 4025 8578

$$

BIELINSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 5:15 PM EST	Severe Thunderstorm Warning	IND	Montgomery	45 min
Jul 4, 5:23 PM EST	Severe Thunderstorm Warning	IND	Howard	52 min
Jul 4, 5:32 PM EST	Severe Thunderstorm Warning	IND	Boone	43 min
Jul 4, 6:03 PM EST	Tornado Warning	IND	Boone	42 min
Jul 4, 6:07 PM EST	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Madison, Tipton	53 min
Jul 4, 6:39 PM EST	Severe Thunderstorm Warning	IND	Marion	51 min
Jul 4, 6:44 PM EST	Severe Thunderstorm Warning	IND	Randolph	46 min
Jul 4, 6:49 PM EST	Severe Thunderstorm Warning	IND	Hancock, Henry	56 min

Nearby

Tornado Warnings in Indiana, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.