Alert archive / Indiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

May 23, 2004Clay County, Vigo County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 23, 2004, 9:13 PM EST for Clay County, Vigo County, Indiana. It was in force for 47 min. 8 reports 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 23, 2004, 9:13 PM EST (02:13 UTC)
Expired: May 23, 2004, 10:00 PM EST
In force: 47 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Clay County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 92 km from the middle of the area, began a volume at 02:13 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.

What was reported inside it

Time	Report	Where	Remark
May 23, 9:19 PM EST	HAIL 0.75	Terre Haute, IN	NORTHERN PART OF TOWN
May 23, 9:19 PM EST	HAIL 0.75	Terre Haute, IN	NORTHERN PART OF TOWN
May 23, 9:30 PM EST	HAIL 0.75	Seelyville, IN
May 23, 9:30 PM EST	HAIL 0.75	Seelyville, IN
May 23, 9:30 PM EST	HAIL 1	Brazil, IN
May 23, 9:30 PM EST	HAIL 1	Brazil, IN
May 23, 9:31 PM EST	HAIL 1	Brazil, IN
May 23, 9:31 PM EST	HAIL 1	Brazil, IN

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

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 23, 5:30 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.2 hours before the alert went out and 131 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: 2833 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 727 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 13.8

Open this sounding in Storm Lab

The text

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

034 
WUUS53 KIND 240213
SVRIND
INC021-167-240300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
912 PM EST SUN MAY 23 2004

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CLAY COUNTY IN WEST CENTRAL INDIANA
  NORTHERN VIGO COUNTY IN WEST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF TERRE HAUTE

* UNTIL 1000 PM EST

* AT 908 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DIME SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  WEST TERRE HAUTE...OR ABOUT 4 MILES NORTHWEST OF TERRE HAUTE...AND
  MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SEELYVILLE AROUND 920 PM EST
  STAUNTON AROUND 930 PM EST
  BRAZIL AROUND 935 PM EST
  KNIGHTSVILLE AROUND 940 PM EST

LAT...LON 3957 8745 3941 8754 3933 8712 3959 8705

$$

OMITT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 7:05 PM EST	Severe Thunderstorm Warning	IND	Henry, Rush, Shelby	40 min
May 23, 8:38 PM EST	Severe Thunderstorm Warning	IND	Parke, Vermillion, Vigo	37 min
May 23, 9:35 PM EST	Severe Thunderstorm Warning	IND	Putnam	40 min
May 23, 9:50 PM EST	Severe Thunderstorm Warning	IND	Hendricks	40 min
May 23, 10:07 PM EST	Severe Thunderstorm Warning	IND	Morgan	38 min
May 23, 10:13 PM EST	Severe Thunderstorm Warning	IND	Marion	47 min
May 23, 10:32 PM EST	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Henry, Madison, Rush	43 min
May 23, 10:40 PM EST	Severe Thunderstorm Warning	IND	Shelby	35 min
May 23, 10:53 PM EST	Severe Thunderstorm Warning	IND	Delaware, Randolph	37 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; radar from the NEXRAD Level II archive.