Alert archive / Kentucky / Flash Flood Warnings in 2004

Flash Flood Warning 7, NWS Louisville, KY

May 10, 2004Jefferson County, Kentucky

NWS Louisville, KY issued this flash flood warning at May 10, 2004, 4:35 PM EDT for Jefferson County, Kentucky. It was in force for 85 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 10, 2004, 4:35 PM EDT (20:35 UTC)
Expired: May 10, 2004, 6:00 PM EDT
In force: 85 min
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

County Jefferson County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.6 hours before the alert went out and 208 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: 483 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1395 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -55 m²/s²
0-3 km storm-relative helicity: -36 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 102038
FFWLMK
KYC111-102200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
435 PM EDT MON MAY 10 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

* SINCE 3 PM EDT, UP TO 2 TO 3 INCHES OF RAIN HAS FALLEN OVER 
EASTERN JEFFERSON COUNTY. HIGH INTENSITY RAINS ARE FORECAST TO 
CONTINUE OVER THE AREA THROUGH AT LEAST 5 PM EDT, AS HEAVY 
THUNDERSTORMS MOVE THROUGH.

* SOME LOCATIONS IN THE WARNING INCLUDE ANCHORAGE...HIGHVIEW...
  JEFFERSONTOWN AND MIDDLETOWN

LOCATIONS OUTSIDE THE GENE SNYDER FREEWAY, BETWEEN BARDSTOWN ROAD 
AND I-64 ARE THE MOST PRONE FOR FLASH FLOODING AT THIS TIME. THIS 
INCLUDES THE FLOYDS FORK AREA.

THIS REPLACES THE URBAN AND SMALL STREAM FLOOD ADVISORY ISSUED 
EARLIER.

EXCESSIVE RAINFALL FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...ROADWAYS...UNDERPASSES AND LOW LYING AREAS. DO 
NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY.

LAT...LON 3809 8571 3808 8557 3812 8545 3827 8542
          3831 8550

$$
XXV

2 follow-up statements

000 
WGUS73 KLMK 102115
FFSLMK
KYC111-102200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
513 PM EDT MON MAY 10 2004

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

SINCE 3 PM EDT, WEATHER SERVICE RADAR HAS INDICATED THAT UP TO 3 TO 
3.5 INCHES OF RAIN HAS FALLEN IN THE AREA OUTSIDE THE GENE SNYDER 
BETWEEN BARDSTOWN ROAD AND I-64. RECENT RADAR TRENDS HAVE INDICATED 
THAT THE BULK OF THE HEAVY RAIN WILL EXIT EASTERN JEFFERSON COUNTY 
SOON, HOWEVER RUNOFF FROM THE EARLIER TORRENTIAL RAINS WILL CONTINUE 
THE FLASH FLOODING THREAT.

EXCESSIVE RAINFALL FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...ROADWAYS...UNDERPASSES AND LOW LYING AREAS.

$$
XXV

000 
WGUS73 KLMK 102206
FFSLMK
KYC111-102220-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
605 PM EDT MON MAY 10 2004

...FLASH FLOOD WARNING ALLOWED TO EXPIRE FOR EASTERN JEFFERSON 
COUNTY IN NORTH CENTRAL KENTUCKY...

THE FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE FOR EASTERN JEFFERSON 
COUNTY. NO REPORTS HAVE YET BEEN RECEIVED IN THE AREA.

REPORT ANY FLOODING CONDITIONS TO YOUR LOCAL LAW ENFORCEMENT AGENCY. 
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

$$

JB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 5:58 PM EDT	Severe Thunderstorm Warning	LMK	Fayette	47 min
May 10, 7:10 PM EDT	Flash Flood Warning	LMK	Clark	80 min

Nearby

Flash Flood Warnings in Kentucky, 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; the sounding from the Mesonet's radiosonde archive.