Alert archive / Indiana / Tornado Warnings in 2003

Tornado Warning 19, NWS Indianapolis, IN

July 4, 2003Boone County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jul 4, 2003, 6:03 PM EST for Boone County, Indiana. It was in force for 42 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, 6:03 PM EST (23:03 UTC)
Expired
Jul 4, 2003, 6:45 PM EST
In force
42 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), 43 km from the middle of the area, began a volume at 23:03 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.

IssuedProductOfficeLasted
Jul 4, 2:20 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 190 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 2003-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1934 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.193958Sfc1 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
1934 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
114 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.

756 
WFUS53 KIND 042303 CCA
TORIND
INC011-042345-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED FOR COUNTY
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
602 PM EST FRI JUL 4 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

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

* UNTIL 645 PM EST

* AT 558 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER ULEN...OR
  ABOUT 15 MILES SOUTHEAST OF FRANKFORT...MOVING EAST AT 25 MPH.

* THE MOST DANGEROUS PART OF THE STORM IS EXPECTED TO BE NEAR...
  RURAL NORTHEASTERN BOONE COUNTY AT 620 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 4009 8624 4000 8639 3995 8648 4010 8656
          4019 8645 4019 8623

$$
BIELINSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 5:15 PM ESTSevere Thunderstorm WarningINDMontgomery45 min
Jul 4, 5:23 PM ESTSevere Thunderstorm WarningINDHoward52 min
Jul 4, 5:32 PM ESTSevere Thunderstorm WarningINDBoone43 min
Jul 4, 5:56 PM ESTTornado WarningINDBoone, Madison49 min
Jul 4, 6:07 PM ESTSevere Thunderstorm WarningINDDelaware, Hamilton, Madison, Tipton53 min
Jul 4, 6:39 PM ESTSevere Thunderstorm WarningINDMarion51 min
Jul 4, 6:44 PM ESTSevere Thunderstorm WarningINDRandolph46 min
Jul 4, 6:49 PM ESTSevere Thunderstorm WarningINDHancock, Henry56 min

Nearby

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