Alert archive / Indiana / Tornado Warnings in 2003

Tornado Warning 11, NWS Indianapolis, IN

May 11, 2003Shelby County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 11, 2003, 3:34 AM EST for Shelby County, Indiana. It was in force for 26 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: May 11, 2003, 3:34 AM EST (08:34 UTC)
Expired: May 11, 2003, 4:00 AM EST
In force: 26 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Shelby County, IN

The radar

The Indianapolis radar (KIND), 44 km from the middle of the area, began a volume at 08:37 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.6 hours before the alert went out and 175 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: 1265 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 897 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 411 m²/s²
0-3 km storm-relative helicity: 392 m²/s²
Significant tornado parameter: 3.2
Supercell composite: 17.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KIND 110834
TORIND
INC145-110900-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
334 AM EST SUN MAY 11 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  SHELBY COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF SHELBYVILLE

* UNTIL 400 AM EST

* AT 332 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF
  SHELBYVILLE...MOVING NORTHEAST AT 50 MPH.

* THE MOST DANGEROUS PART OF THE STORM IS EXPECTED TO BE NEAR...
  MORRISTOWN AT 345 AM 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 3942 8590 3949 8595 3958 8595 3970 8564
          3950 8565

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 10:36 PM EST	Severe Thunderstorm Warning	IND	Putnam	39 min
May 10, 10:51 PM EST	Severe Thunderstorm Warning	IND	Hendricks, Morgan	39 min
May 10, 11:01 PM EST	Severe Thunderstorm Warning	IND	Marion	44 min
May 10, 11:16 PM EST	Severe Thunderstorm Warning	IND	Jackson, Jennings	44 min
May 11, 3:49 AM EST	Tornado Warning	IND	Rush	41 min
May 11, 3:59 AM EST	Tornado Warning	IND	Henry	31 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.