Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 39, NWS Indianapolis, IN

May 1, 2003Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 1, 2003, 4:46 PM EST for Madison County, Indiana. It was in force for 29 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 1, 2003, 4:46 PM EST (21:46 UTC)
Expired: May 1, 2003, 5:15 PM EST
In force: 29 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Madison County, IN

The radar

The Indianapolis radar (KIND), 75 km from the middle of the area, began a volume at 21:47 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
May 1, 12:50 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.8 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-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: 354 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1165 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 101 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.

163 
WUUS53 KIND 012146
SVRIND
INC095-012215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
446 PM EST THU MAY 1 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL AND NORTHERN MADISON COUNTY IN CENTRAL INDIANA

* UNTIL 515 PM EST

* AT 442 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER FRANKTON...OR ABOUT 8 MILES NORTH OF
  ANDERSON...MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALEXANDRIA AT 455 PM EST
  SUMMITVILLE AT 505 PM EST

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS. WHEN INDOORS...STAY AWAY FROM
WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

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 4018 8587 4008 8562 4038 8560 4041 8582

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 2:31 PM EST	Severe Thunderstorm Warning	IND	Daviess, Knox	44 min
May 1, 2:54 PM EST	Severe Thunderstorm Warning	IND	Martin	51 min
May 1, 3:17 PM EST	Severe Thunderstorm Warning	IND	Lawrence	43 min
May 1, 3:41 PM EST	Severe Thunderstorm Warning	IND	Monroe	34 min
May 1, 3:46 PM EST	Severe Thunderstorm Warning	IND	Jackson	44 min
May 1, 3:55 PM EST	Severe Thunderstorm Warning	IND	Monroe	20 min
May 1, 4:33 PM EST	Severe Thunderstorm Warning	IND	Delaware, Henry	42 min
May 1, 5:50 PM EST	Severe Thunderstorm Warning	IND	Randolph	40 min
May 1, 5:56 PM EST	Tornado Warning	IND	Delaware	19 min
May 1, 6:02 PM EST	Tornado Warning	IND	Randolph	28 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.