Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 9, NWS Indianapolis, IN

April 4, 2003Knox County, Sullivan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 4, 2003, 8:55 PM EST for Knox County, Sullivan County, Indiana. It was in force for 35 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: Apr 4, 2003, 8:55 PM EST (01:55 UTC)
Expired: Apr 4, 2003, 9:30 PM EST
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Knox County, IN, Sullivan County, IN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 4, 3:35 PM EST	Tornado Watch	SPC	5 hr
Apr 4, 5:25 PM EST	Tornado Watch	SPC	6 hr
Apr 4, 7:30 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.9 hours before the alert went out and 160 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: 3081 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 91 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.

799 
WUUS53 KIND 050155
SVRIND
INC083-153-050230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
ISSUED BY NWS LOUISVILLE KY
854 PM EST FRI APR 4 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN SOUTHWEST INDIANA
  THIS INCLUDES THE CITY OF VINCENNES
  SULLIVAN COUNTY IN SOUTHWEST INDIANA

* UNTIL 930 PM EST

* AT 849 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF MEROM...OR ABOUT 2 MILES WEST
  OF ROBINSON...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RUSSELLVILLE...MONROE CITY AROUND 900 PM EST
  MEROM...OAKTOWN...BRUCEVILLE...WHEATLAND AROUND 905 PM EST
  CARLISLE...BICKNELL AROUND 910 PM EST
  SULLIVAN AROUND 915 PM EST
  SHELBURN AROUND 920 PM EST

THIS IS A DANGEROUS STORM...CAPABLE OF PRODUCING VERY LARGE HAIL AND
DAMAGING WINDS. IF YOU ARE IN THIS STORMS PATH...TAKE COVER
IMMEDIATELY IN A STURDY STRUCTURE UNTIL IT HAS PASSED. STAY AWAY FROM
WINDOWS AND ANY DOWNED POWER LINES.

A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE NOTICE.

LAT...LON 3909 8788 3876 8786 3850 8762 3854 8726
          3926 8726 3926 8758

$$
JMB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 9:02 PM EST	Severe Thunderstorm Warning	IND	Howard, Vigo	28 min
Apr 4, 9:32 PM EST	Severe Thunderstorm Warning	IND	Daviess, Greene	43 min
Apr 4, 9:44 PM EST	Severe Thunderstorm Warning	IND	Martin	36 min
Apr 4, 9:56 PM EST	Severe Thunderstorm Warning	IND	Delaware, Madison	49 min
Apr 4, 9:57 PM EST	Severe Thunderstorm Warning	IND	Lawrence	43 min
Apr 4, 10:07 PM EST	Severe Thunderstorm Warning	IND	Randolph	53 min
Apr 4, 10:13 PM EST	Severe Thunderstorm Warning	IND	Henry	47 min
Apr 4, 10:18 PM EST	Severe Thunderstorm Warning	IND	Jackson	42 min
Apr 4, 10:32 PM EST	Severe Thunderstorm Warning	IND	Rush, Shelby	43 min
Apr 4, 10:39 PM EST	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	36 min
Apr 4, 10:43 PM EST	Severe Thunderstorm Warning	IND	Lawrence	32 min
Apr 4, 10:45 PM EST	Severe Thunderstorm Warning	IND	Jennings	45 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2003 Every severe thunderstorm warning 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.