Alert archive / Kentucky / Flash Flood Warnings in 2003

Flash Flood Warning 28, NWS Louisville, KY

July 10, 2003Henry County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 10, 2003, 1:36 PM EDT for Henry County, Kentucky. It was in force for 2 hr. 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 10, 2003, 1:36 PM EDT (17:36 UTC)
Expired
Jul 10, 2003, 4:00 PM EDT
In force
2 hr
Issued by
NWS Louisville, KY
Area
Counties, with a storm outline in the text

County Henry County, KY

The radar

The Louisville radar (KLVX), 85 km from the middle of the area, began a volume at 17:38 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, 5.6 hours before the alert went out and 161 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 2003-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 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 2003-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
198 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLMK 101738
FFWLMK
KYC103-102000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
136 PM EDT THU JUL 10 2003

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HENRY COUNTY IN NORTH CENTRAL KENTUCKY

* UNTIL 400 PM EDT

* AT 133 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED INTENSE 
RAINFALL MOVING OVER HENRY COUNTY. RAINFALL RATES MAY APPROACH 2 TO 
2.5 INCHES PER HOUR. AREAS AROUND THE NORTHWEST HALF OF THE COUNTY, 
INCLUDING FALLEN TIMBER CREEK, HAVE SEEN UP TO 2 INCHES OF RAIN 
SINCE 1230 PM EDT.

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

A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.

LAT...LON 3846 8531 3833 8515 3837 8495 3859 8512

$$

SMALLCOMB
2 follow-up statements
000 
WGUS73 KLMK 101819
FFSLMK
KYC103-102000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
220 PM EDT THU JUL 10 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 4 PM EDT FOR HENRY COUNTY 
IN NORTH CENTRAL KENTUCKY...

AT 220 PM EDT, WEATHER SERVICE RADAR INDICATED THAT THE HEAVY RAINS 
ARE GRADUALLY EXITING HENRY COUNTY TO THE SOUTHEAST. EARLIER, 2 TO 
2.5 INCHES OF RAIN FELL WITHIN ABOUT ONE HOURS TIME, PARTICULARLY 
ACROSS THE NORTHERN HALF OF HENRY COUNTY NEAR FALLEN TIMBER CREEK 
AND EMILY RUN.

EVEN THOUGH THE HEAVY RAINFALL IS EXITING THE COUNTY, SIGNIFICANT 
RUNOFF IS LIKELY ACROSS THE COUNTY THROUGH 4 PM. DO NOT CROSS ANY 
AREAS THAT APPEAR FLOODED, AND SEEK HIGHER GROUND SHOULD FLOODING 
IMPACT YOUR AREA.

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

$$

SMALLCOMB
000 
WGUS73 KLMK 101841
FFSLMK
KYC103-223-102000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
241 PM EDT THU JUL 10 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT UNTIL 4 PM EDT FOR 
TRIMBLE AND HENRY COUNTIES IN NORTH CENTRAL KENTUCKY HAS BEEN 
CANCELLED...

TOTAL RAINFALL AMOUNTS ACROSS HENRY AND TRIMBLE COUNTIES HAVE RANGED 
FROM 1.5 TO 2.5 INCHES, MOST OF WHICH FELL WITHIN A VERY SHORT 
PERIOD OF TIME EARLIER THIS AFTERNOON. THERE MAY STILL BE SOME MINOR 
RUNOFF OCCURRING, HOWEVER THE THREAT FOR FLASH FLOODING HAS ENDED 
WITH THE DEPARTURE OF THE HEAVY PRECIPITATION. 

LOCAL LAW ENFORCEMENT HAS REPORTED NO SIGNIFICANT FLOODING PROBLEMS, 
HOWEVER SOME LOW SPOTS AND SMALL CREEKS MAY STILL CONTAIN WATER. DO 
NOT CROSS AREAS THAT APPEAR FLOODED.

$$

SMALLCOMB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 12:53 PM EDTFlash Flood WarningLMKTrimble3 hr
Jul 10, 2:12 PM EDTSevere Thunderstorm WarningLMKTaylor33 min

Nearby

Flash Flood Warnings in Kentucky, 2003Every flash flood warning in 2003

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.