Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 13, NWS Indianapolis, IN

April 4, 2003Delaware County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 4, 2003, 9:56 PM EST for Delaware 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: Apr 4, 2003, 9:56 PM EST (02:56 UTC)
Expired: Apr 4, 2003, 10:45 PM EST
In force: 49 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Delaware County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 03:00 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
Apr 4, 7:30 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.9 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: 628 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1237 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 050256
SVRIND
INC035-095-050345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
ISSUED BY NWS NORTHERN INDIANA
955 PM EST FRI APR 4 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DELAWARE COUNTY IN INDIANA
  NORTHEASTERN MADISON COUNTY IN INDIANA

* UNTIL 1045 PM EST

* AT 955 PM EST...AMATEUR RADIO WEATHER SPOTTERS REPORTED A LINE     
  OF SEVERE THUNDERSTORMS WITH 63 MPH WIND GUSTS ALONG A LINE        
  EXTENDING FROM 7 MILES NORTH OF GASTON TO 6 MILES WEST OF          
  CHESTERFIELD...MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS...
  CHESTERFIELD
  DALEVILLE
  GASTON
  YORKTOWN
  MUNCIE
  SELMA
  EATON

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE
STORMS CAN PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL.

A TORNADO WATCH REMAINS IN EFFECT. SEVERE STORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCED WARNING. IF YOU ARE IN THE PATH
OF THIS STORM...SEEK SHELTER NOW

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN INDIANAPOLIS.

LAT...LON 4037 8563 4009 8568 4011 8528 4036 8525

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 8:55 PM EST	Severe Thunderstorm Warning	IND	Knox, Sullivan	35 min
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, 9:57 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; radar from the NEXRAD Level II archive.