Alert archive / Indiana / Flash Flood Warnings in 2004

Flash Flood Warning 21, NWS Louisville, KY

May 27, 2004Clark County, Orange County, Washington County, Indiana

NWS Louisville, KY issued this flash flood warning at May 27, 2004, 8:36 PM EDT for Clark County, Orange County, Washington County, Indiana. It was in force for 3 hr. 4 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 27, 2004, 8:36 PM EDT (00:36 UTC)
Expired: May 27, 2004, 11:30 PM EDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

Counties Clark County, IN, Orange County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 59 km from the middle of the area, began a volume at 00:31 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 27, 8:55 PM EDT	FLASH FLOOD	Salem, IN	NUMEROUS ROADS FLOODED WITH WATER, PEOPLE BEING EVACUATED FROM HOMES DUE TO FLOOD WATERS
May 27, 8:55 PM EDT	FLASH FLOOD	Salem, IN	NUMEROUS ROADS FLOODED WITH WATER, PEOPLE BEING EVACUATED FROM HOMES DUE TO FLOOD WATERS
May 27, 9:15 PM EDT	FLASH FLOOD	Henryville, IN	HOMES FLOODED IN SOME AREAS, WATER RESCUES BEING CONDUCTED, VOLUNTEERS FROM JEFFERSON COUNTY KENTUCKY FIRE DEPARTMENT ARE ASSISTING IN RESCUES.
May 27, 9:15 PM EDT	FLASH FLOOD	Henryville, IN	HOMES FLOODED IN SOME AREAS, WATER RESCUES BEING CONDUCTED, VOLUNTEERS FROM JEFFERSON COUNTY KENTUCKY FIRE DEPARTMENT ARE ASSISTING IN RESCUES.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 214 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: 290 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1105 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 353 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLMK 280040
FFWLMK
INC019-117-175-280430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
736 PM EST THU MAY 27 2004

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLARK COUNTY IN SOUTH CENTRAL INDIANA
  ORANGE COUNTY IN SOUTH CENTRAL INDIANA
  WASHINGTON COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 1130 PM EST(1230 AM EDT)

* AT 735 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN OVER PORTIONS OF CLARK, ORANGE, AND WASHINGTON COUNTIES IN 
SOUTHERN INDIANA. UP TO 2 INCHES OF RAIN HAS FALLEN OVER THE AREA 
AND ADDITIONAL HEAVY RAIN WILL BE POSSIBLE. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. DO NOT DRIVE THROUGH FLOODED 
ROADWAYS...IT MAY BE DIFFICULT TO JUDGE THE ACTUAL DEPTH OF THE 
WATER. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE TO HIGHER 
GROUND TO ESCAPE FLOOD WATERS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.

REPORT FLOODING TO YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
LOUISVILLE.

LAT...LON 3836 8570 3840 8581 3842 8628 3849 8669
          3868 8667 3863 8596 3857 8586 3859 8566
          3857 8545

$$

JA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 8:18 PM EDT	Severe Thunderstorm Warning	LMK	Orange	42 min
May 27, 8:29 PM EDT	Severe Thunderstorm Warning	LMK	Washington	46 min
May 27, 8:32 PM EDT	Severe Thunderstorm Warning	LMK	Clark	43 min
May 27, 8:38 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	52 min
May 27, 8:47 PM EDT	Severe Thunderstorm Warning	LMK	Floyd	43 min
May 27, 8:52 PM EDT	Tornado Warning	LMK	Floyd	53 min
May 27, 10:42 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	63 min
May 27, 11:18 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Perry	57 min
May 27, 11:57 PM EDT	Severe Thunderstorm Warning	LMK	Harrison	48 min

Nearby

Flash Flood Warnings in Indiana, 2004 Every flash flood 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.