Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 28, NWS Indianapolis, IN

April 20, 2003Greene County, Martin County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 20, 2003, 6:16 PM EST for Greene County, Martin 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: Apr 20, 2003, 6:16 PM EST (23:16 UTC)
Expired: Apr 20, 2003, 6:45 PM EST
In force: 29 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Greene County, IN, Martin County, IN

The radar

The Indianapolis radar (KIND), 103 km from the middle of the area, began a volume at 23:20 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

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 207 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: 1205 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 49 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.

000 
WUUS53 KIND 202316
SVRIND
INC055-101-202345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
616 PM EST SUN APR 20 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GREENE COUNTY IN SOUTHWEST INDIANA
  MARTIN COUNTY IN SOUTHWEST INDIANA

* UNTIL 645 PM EST

* AT 615 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CRANE...OR ABOUT 22 MILES WEST OF
  BEDFORD...MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHEASTERN GREENE COUNTY AT 630 PM EST
  RURAL EASTERN GREENE COUNTY AT 640 PM EST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR.

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 3889 8692 3873 8691 3880 8670 3910 8671

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 1:22 PM EST	Severe Thunderstorm Warning	IND	Greene	38 min
Apr 20, 1:36 PM EST	Severe Thunderstorm Warning	IND	Johnson, Morgan	39 min
Apr 20, 2:07 PM EST	Severe Thunderstorm Warning	IND	Hancock, Shelby	38 min
Apr 20, 2:18 PM EST	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox	42 min
Apr 20, 2:53 PM EST	Severe Thunderstorm Warning	IND	Henry, Randolph	37 min
Apr 20, 5:36 PM EST	Severe Thunderstorm Warning	IND	Daviess	39 min
Apr 20, 6:43 PM EST	Severe Thunderstorm Warning	IND	Monroe	47 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.