Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 182, NWS Indianapolis, IN

September 1, 2003Johnson County, Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 1, 2003, 2:03 PM EST for Johnson County, Shelby County, Indiana. It was in force for 42 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: Sep 1, 2003, 2:03 PM EST (19:03 UTC)
Expired: Sep 1, 2003, 2:45 PM EST
In force: 42 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Johnson County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 26 km from the middle of the area, began a volume at 19:03 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 12:00Z, 7.1 hours before the alert went out and 192 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: 672 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 011903
SVRIND
INC081-145-011945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
203 PM EST MON SEP 1 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JOHNSON COUNTY IN CENTRAL INDIANA
  SHELBY COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF SHELBYVILLE

* UNTIL 245 PM EST

* AT 203 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NEW WHITELAND...OR ABOUT 15 MILES SOUTH OF
  INDIANAPOLIS...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FAIRLAND AT 220 PM EST
  SHELBYVILLE AT 225 PM EST
  MORRISTOWN AT 235 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 3961 8629 3944 8620 3953 8566 3967 8570

$$

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 8:15 PM EST	Tornado Warning	IND	Sullivan, Vigo	45 min
Sep 1, 6:06 AM EST	Flash Flood Warning	IND	Hendricks, Marion, Putnam	114 min
Sep 1, 6:20 AM EST	Flash Flood Warning	IND	Hamilton, Madison	115 min
Sep 1, 12:07 PM EST	Flash Flood Warning	IND	Hamilton, Hancock, Hendricks, Madison, Marion	113 min
Sep 1, 1:18 PM EST	Severe Thunderstorm Warning	IND	Henry, Randolph	42 min
Sep 1, 1:45 PM EST	Flash Flood Warning	IND	Henry, Randolph	30 min
Sep 1, 2:28 PM EST	Flash Flood Warning	IND	Rush, Shelby	2 hr

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.