Alert archive / Indiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 252, NWS Louisville, KY

July 6, 2004Clark County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 6, 2004, 5:00 PM EDT for Clark County, Indiana. It was in force for 45 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: Jul 6, 2004, 5:00 PM EDT (21:00 UTC)
Expired: Jul 6, 2004, 5:45 PM EDT
In force: 45 min
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

County Clark County, IN

The radar

The Louisville radar (KLVX), 57 km from the middle of the area, began a volume at 21:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 6, 2:50 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 201 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: 54 J/kg
Mixed-layer CIN: -216 J/kg
Mixed-layer LCL: 874 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 41 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 KLMK 062100
SVRLMK
INC019-062145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
459 PM EDT TUE JUL 6 2004

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 545 PM EDT

* AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
  NORTHWEST OF JEFFERSONVILLE...OR ABOUT 14 MILES NORTH OF
  LOUISVILLE...AND MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPEED AND MEMPHIS BY 505 PM EDT
  HENRYVILLE BY 510 PM EDT
  CHARLESTOWN BY 515 PM EDT
  OTISCO BY 525 PM EDT
  NEW MARKET AND MARYSVILLE BY 530 PM EDT
  SOLON BY 535 PM EDT

REPORT SEVERE WEATHER TO YOUR NEAREST LOCAL LAW ENFORCEMENT AGENCY
AND HAVE THEM RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN LOUISVILLE.

LAT...LON 3848 8600 3841 8599 3841 8590 3839 8579
      3828 8576 3833 8567 3846 8561 3848 8553
      3857 8543 3860 8552 3859 8578 3855 8585
      3851 8587

$$

DK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 1:24 AM EDT	Severe Thunderstorm Warning	LMK	Dubois	51 min
Jul 6, 1:44 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Perry	46 min
Jul 6, 1:59 AM EDT	Severe Thunderstorm Warning	LMK	Orange	46 min
Jul 6, 3:28 PM EDT	Severe Thunderstorm Warning	LMK	Perry	37 min
Jul 6, 3:55 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	35 min
Jul 6, 3:58 PM EDT	Severe Thunderstorm Warning	LMK	Crawford	47 min
Jul 6, 4:08 PM EDT	Severe Thunderstorm Warning	LMK	Orange	37 min
Jul 6, 4:16 PM EDT	Severe Thunderstorm Warning	LMK	Harrison	44 min
Jul 6, 4:42 PM EDT	Severe Thunderstorm Warning	LMK	Floyd	33 min
Jul 6, 4:44 PM EDT	Severe Thunderstorm Warning	LMK	Washington	46 min
Jul 6, 6:13 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	42 min
Jul 6, 6:47 PM EDT	Severe Thunderstorm Warning	LMK	Orange	43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.