Alert archive / Indiana / Tornado Warnings in 2004

Tornado Warning 21, NWS Louisville, KY

May 30, 2004Floyd County, Indiana

NWS Louisville, KY issued this tornado warning at May 30, 2004, 4:18 PM EDT for Floyd 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: May 30, 2004, 4:18 PM EDT (20:18 UTC)
Expired: May 30, 2004, 5:00 PM EDT
In force: 42 min
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

County Floyd County, IN

The radar

The Louisville radar (KLVX), 40 km from the middle of the area, began a volume at 20:21 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 30, 12:50 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 hours before the alert went out and 221 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: 58 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 799 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

249 
WFUS53 KLMK 302018
TORLMK
INC043-302100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
418 PM EDT SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  FLOYD COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 500 PM EDT

* AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER
  EDWARDSVILLE...OR ABOUT 11 MILES WEST OF LOUISVILLE...MOVING
  NORTHEAST AT 20 MPH.

* THE TORNADIC STORM IS EXPECTED TO BE NEAR...
  FLOYDS KNOBS...GALENA...GREENVILLE AROUND 425 PM EDT
  NEW ALBANY...SCOTTSVILLE...NAVILLETON AROUND 430 PM EDT

LAT...LON 3840 8603 3818 8593 3830 8580 3839 8583

$$
DK

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 30, 2:11 PM EDT	Tornado Warning	LMK	Dubois	34 min
May 30, 2:58 PM EDT	Severe Thunderstorm Warning	LMK	Orange	37 min
May 30, 3:11 PM EDT	Tornado Warning	LMK	Orange	39 min
May 30, 3:15 PM EDT	Tornado Warning	LMK	Clark, Floyd	30 min
May 30, 3:17 PM EDT	Tornado Warning	LMK	Crawford	43 min
May 30, 3:44 PM EDT	Tornado Warning	LMK	Clark, Floyd	31 min
May 30, 3:48 PM EDT	Tornado Warning	LMK	Harrison, Washington	57 min
May 30, 3:54 PM EDT	Tornado Warning	LMK	Harrison, Washington	51 min
May 30, 4:44 PM EDT	Tornado Warning	LMK	Clark	46 min
May 30, 4:52 PM EDT	Tornado Warning	LMK	Harrison	43 min
May 30, 5:22 PM EDT	Flash Flood Warning	LMK	Clark	113 min

Nearby

Tornado Warnings in Indiana, 2004 Every tornado warning in 2004 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.