Alert archive / Indiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 70, NWS Indianapolis, IN

May 30, 2004Brown County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 30, 2004, 9:10 PM EST for Brown County, Indiana. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 30, 2004, 9:10 PM EST (02:10 UTC)
Expired: May 30, 2004, 9:45 PM EST
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Brown County, IN

What was reported inside it

Time	Report	Where	Remark
May 30, 9:36 PM EST	TSTM WND DMG	2 N Nashville, IN	COUNTY SHERIFF REPORTS TREE DOWN ON STATE ROAD 135 NORTH OF NASHVILLE WITH VERY HEAVY RAIN AND SCATTERED POWER OUTAGES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 26 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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 30, 6:55 PM EST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.2 hours before the alert went out and 215 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: 778 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 316 m²/s²
0-3 km storm-relative helicity: 399 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

653 
WUUS53 KIND 310210
SVRIND
INC013-310245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
908 PM EST SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 945 PM EST

* AT 904 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 5 MILES EAST OF     
  BLOOMINGTON...AND MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NASHVILLE AROUND 920 PM EST

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 3933 8639 3905 8637 3905 8612 3934 8613

$$
DRT

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 30, 2:05 PM EST, 7 hours 5 minutes earlier.

Area forecast discussion, May 30, 2:05 PM EST, 7 hours 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
205 PM EST SUN MAY 30 2004

.DISCUSSION...DUE TO ONGOING SVR WX...DISCUSSION WL BE BRIEF.

STG COLD CORE UPPR LO OVR THE NRN PLAINS WL SETTLE SEWD INTO THE
GREAT LKS AND GRADU WEAKEN WITH TIME. SFC CDFNT XCTD TO PASS THRU
THE AREA TONIGHT.

IN THE NR TERM...CURRENT ACTVTY...INCLUDING SOME SUPERCELLS...DVLPG
ALONG DIFFUSE WM FNT WHICH APPEARS TO BE OVR THE FAR SWRN CWA ATTM.
ALSO...SQUALL LN DVLPG W OF THE MS RVR ASSOCIATED WITH CDFNT.
CURRENT ACTVTY MAY TEND TO DRFT NEWD WITH WM FNT DURG THE REST OF
AFT...BUT NOT SURE HOW FAR WM FNT WL GET AS IT HAS BEEN RELUCTANT TO
MOV MUCH. MODELS SUGGEST SQUALL LN WL PASS THRU THE CWA SOMETIME IN
THE 02Z-08Z TIME FRAME. SVR WX THREAT WL CONT UNTIL SQUALL LN
PASSAGE. WT331 IN EFFECT TIL 00Z. WL ALSO CONT FLOOD WATCH AS WELL.

IN THE LTR PDS...WL PUT CHC POPS OVR MAINLY THE NRN/CENTRAL ZONES
DURG THE AFT/EVEN HRS ON MON AND TUES...AS COLD CORE UPPR LO IN THE
VCNTY SUGGESTS PSBL INSTABILITY SHWRS.

QUICK LOOK AT LO LVL THICKNESS PROGS SUGGEST RAISING THE MINS
TONIGHT A BIT...OTHERWISE THE NUMBERS LOOK REASONABLE AT THIS PT.

&&

.IND WATCHES/WARNINGS/ADVISORIES...FLOOD WATCH ALONG AND SOUTH OF A
SULLIVAN TO GREENSBURG LN TONIGHT.

&&

JAS

Hazardous weather outlook, May 30, 5:41 AM EST, 15 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
541 AM EST SUN MAY 30 2004

INZ021-028>031-035>049-051>057-060>065-067>072-311100-
BARTHOLOMEW-BOONE-BROWN-CARROLL-CLAY-CLINTON-DAVIESS-DECATUR-
DELAWARE-FOUNTAIN-GREENE-HAMILTON-HANCOCK-HENDRICKS-HENRY-HOWARD-
JACKSON-JENNINGS-JOHNSON-KNOX-LAWRENCE-MADISON-MARION-MARTIN-MONROE-
MONTGOMERY-MORGAN-OWEN-PARKE-PUTNAM-RANDOLPH-RUSH-SHELBY-SULLIVAN-
TIPPECANOE-TIPTON-VERMILLION-VIGO-WARREN-
541 AM EST SUN MAY 30 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT

AN UNSEASONABLY STRONG UPPER LEVEL STORM SYSTEM APPROACHES INDIANA
TODAY.

A WARM FRONT WILL MOVE NORTH ACROSS THE AREA THIS AFTERNOON.
SHOWERS AND THUNDERSTORMS WILL BE LIKELY AHEAD AND ALONG THIS FRONT.
SOME OF THESE STORMS COULD BE SEVERE WITH LARGE HAIL...DAMAGING WINDS
AND TORNADOES THE MAIN THREATS. AS THE WARM FRONT MOVES NORTH...MUCH
OF CENTRAL INDIANA WILL BE IN THE WARM SECTOR OF THIS POWERFUL STORM
SYSTEM. ONCE AGAIN THE THREAT FOR LARGE HAIL...DAMAGING WINDS AND
TORNADOES EXISTS WITH THE DEVELOPMENT OF SUPERCELL THUNDERSTORMS.

LATER TONIGHT...AS THE COLD FRONT BEGINS TO PUSH EAST...A SQUALL LINE
IS EXPECTED TO MOVE ACROSS THE STATE. THE MAIN THREAT WITH THIS LINE
OF STORMS WILL BE DAMAGING WINDS ALTHOUGH AN ISOLATED TORNADO AND
LARGE HAIL WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THERE IS A CHANCE OF THUNDERSTORMS ON TUESDAY AND WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS AFTERNOON AND
TONIGHT.

BIELINSKI

In the hours before

Local storm report, May 30, 8:21 PM EST, 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
821 PM EST SUN MAY 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0820 PM     TORNADO          SHELBURN                39.18N 87.40W
05/30/2004                   SULLIVAN           IN   EMERGENCY MNGR

            COUNTY EMERGENCY MANAGEMENT REPORTS TORNADO ON THE GROUND
            IN SHELBURN.

&&

NIELD

Local storm report, May 30, 8:30 PM EST, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
830 PM EST SUN MAY 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0821 PM     TORNADO          DUGGER                  39.07N 87.26W
05/30/2004                   SULLIVAN           IN   LAW ENFORCEMENT

&&

NIELD

Local storm report, May 30, 8:48 PM EST, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
848 PM EST SUN MAY 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0840 PM     TSTM WND GST     16 S BICKNELL           38.54N 87.31W
05/30/2004  60 MPH           KNOX               IN   AMATEUR RADIO

            SPOTTER REPORTS 60 MPH ESTIMATED WINDS NORTH OF
            PETERSBURG.

&&

NIELD

Local storm report, May 30, 8:50 PM EST, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
850 PM EST SUN MAY 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0847 PM     TSTM WND GST     NOBLESVILLE             40.06N 86.03W
05/30/2004  0 MPH            HAMILTON           IN   AMATEUR RADIO

            WIDESPREAD 60 MPH WIND GUSTS REPORTED ACROSS COUNTY.

&&

NIELD

Local storm report, May 30, 8:53 PM EST, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
853 PM EST SUN MAY 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0852 PM     TORNADO          5 N LAPEL               40.14N 85.85W
05/30/2004                   MADISON            IN   AMATEUR RADIO

            TORNADO REPORTED ON THE GROUND IN PERKINSVILLE BY RADIO
            WEATHER SPOTTERS.

&&

NIELD

Local storm report, May 30, 9:03 PM EST, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
903 PM EST SUN MAY 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0855 PM     TSTM WND DMG     FRANKTON                40.22N 85.77W
05/30/2004                   MADISON            IN   AMATEUR RADIO

            WINDOWS BLOWN OUT OF FIRE STATION IN FRANKTON. REPORTED
            BY AMATEUR RADIO.

&&

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:01 PM EST	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	59 min
May 30, 7:10 PM EST	Tornado Warning	IND	Hancock, Marion	50 min
May 30, 7:15 PM EST	Tornado Warning	IND	Parke, Vermillion	60 min
May 30, 7:29 PM EST	Flash Flood Warning	IND	Parke, Vermillion	5 hr
May 30, 7:32 PM EST	Tornado Warning	IND	Carroll, Clinton, Tippecanoe	58 min
May 30, 7:40 PM EST	Severe Thunderstorm Warning	IND	Vigo	50 min
May 30, 7:42 PM EST	Tornado Warning	IND	Vigo	48 min
May 30, 7:44 PM EST	Tornado Warning	IND	Boone, Montgomery	61 min
May 30, 7:51 PM EST	Tornado Warning	IND	Sullivan	39 min
May 30, 7:54 PM EST	Severe Thunderstorm Warning	IND	Knox	51 min
May 30, 7:59 PM EST	Tornado Warning	IND	Clay	46 min
May 30, 8:00 PM EST	Tornado Warning	IND	Hancock	45 min
May 30, 8:04 PM EST	Tornado Warning	IND	Putnam	41 min
May 30, 8:11 PM EST	Tornado Warning	IND	Clinton	64 min
May 30, 8:13 PM EST	Tornado Warning	IND	Madison	47 min
May 30, 8:25 PM EST	Severe Thunderstorm Warning	IND	Hamilton, Hendricks, Marion, Morgan	50 min
May 30, 8:27 PM EST	Tornado Warning	IND	Greene	33 min
May 30, 8:36 PM EST	Flash Flood Warning	IND	Clay, Vigo	4 hr
May 30, 8:39 PM EST	Tornado Warning	IND	Clay, Vigo	51 min
May 30, 8:44 PM EST	Severe Thunderstorm Warning	IND	Daviess, Martin	31 min
May 30, 8:47 PM EST	Severe Thunderstorm Warning	IND	Owen	28 min
May 30, 8:56 PM EST	Severe Thunderstorm Warning	IND	Lawrence, Monroe	49 min
May 30, 8:56 PM EST	Tornado Warning	IND	Delaware, Madison	34 min
May 30, 9:21 PM EST	Flash Flood Warning	IND	Hendricks, Johnson, Marion, Morgan, Owen, Putnam	5 hr
May 30, 9:31 PM EST	Severe Thunderstorm Warning	IND	Randolph	29 min
May 30, 9:37 PM EST	Severe Thunderstorm Warning	IND	Jackson	38 min
May 30, 9:45 PM EST	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jennings	45 min
May 30, 10:03 PM EST	Severe Thunderstorm Warning	IND	Rush	42 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2004 Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.