Alert archive / Kentucky / Flash Flood Warnings in 2004

Flash Flood Warning 9, NWS Louisville, KY

May 19, 2004Jefferson County, Kentucky

NWS Louisville, KY issued this flash flood warning at May 19, 2004, 5:09 PM EDT for Jefferson County, Kentucky. It was in force for 51 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 19, 2004, 5:09 PM EDT (21:09 UTC)
Expired
May 19, 2004, 6:00 PM EDT
In force
51 min
Issued by
NWS Louisville, KY
Area
Counties, with a storm outline in the text

County Jefferson County, KY

The radar

The Louisville radar (KLVX), 44 km from the middle of the area, began a volume at 21:11 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.2 hours before the alert went out and 203 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2004-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 85 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2004-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
85 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
31 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 
WGUS53 KLMK 192111
FFWLMK
KYC111-192200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
509 PM EDT WED MAY 19 2004

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY

* UNTIL 600 PM EDT

* AT 506 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER HIGHVIEW...OR ABOUT 7 MILES SOUTHEAST OF LOUISVILLE...
  MOVING NORTHEAST AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE ANCHORAGE...FERN CREEK...
  JEFFERSONTOWN...LYNDON...MIDDLETOWN...PROSPECT AND ST. MATTHEWS

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

LAT...LON 3829 8569 3808 8562 3813 8556 3815 8544
          3827 8543 3833 8555 3837 8564 3832 8566

$$
DK
2 follow-up statements
000 
WGUS73 KLMK 192143
FFSLMK
KYC111-192200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
538 PM EDT WED MAY 19 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 600 PM EDT FOR EASTERN 
JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY...

AT 530 PM EDT...JEFFERSON COUNTY POLICE REPORTED HIGH FAST FLOWING 
WATER AND DOWNED POWER LINES HAD STOPPED TRAFFIC AT 10510 LAGRANGE 
ROAD IN FRONT OF CENTRAL STATE HOSPITAL. THE ROAD HAS BEEN CLOSED. 

HEAVY RAINS HAD ENDED BUT LIGHTER RAINS WILL CONTINUE UNTIL 6 PM AT 
WHICH TIME CONDITIONS SHOULD IMPROVE.  

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. 
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO 
HIGHER GROUND.

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

$$
DK
000 
WGUS73 KLMK 192209
FFSLMK
KYC111-192230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
605 PM EDT WED MAY 19 2004

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT UNTIL 600 PM EDT FOR 
EASTERN JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY HAS EXPIRED...

RAIN HAD ENDED AND WATER RECEDED OVER PARTS OF LAGRANGE ROAD.  

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 4:18 PM EDTSevere Thunderstorm WarningLMKJefferson42 min
May 19, 5:11 PM EDTSevere Thunderstorm WarningLMKOldham34 min
May 19, 5:45 PM EDTFlash Flood WarningLMKHarrison2 hr

Nearby

Flash Flood Warnings in Kentucky, 2004Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.