Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 45, NWS Louisville, KY

September 2, 2003Jefferson County, Indiana

NWS Louisville, KY issued this flash flood warning at Sep 2, 2003, 4:41 PM EST for Jefferson County, Indiana. It was in force for 64 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
Sep 2, 2003, 4:41 PM EST (21:41 UTC)
Expired
Sep 2, 2003, 5:45 PM EST
In force
64 min
Issued by
NWS Louisville, KY
Area
Counties, with a storm outline in the text

County Jefferson County, IN

The radar

The Louisville radar (KLVX), 99 km from the middle of the area, began a volume at 21:42 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, 9.7 hours before the alert went out and 159 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 2003-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 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 2003-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.19395878Sfc1 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
49 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
630 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
113 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 022145
FFWLMK
INC077-022345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
441 PM EST TUE SEP 2 2003

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 645 PM EST

* AT 440 PM EST...RADAR INDICATED HEAVY RAIN ACROSS JEFFERSON COUNTY 
IN SOUTH CENTRAL INDIANA. RAIN WILL CONTINUE THE NEXT HOUR OR SO... 
WITH ANOTHER INCH OR TWO LIKELY. THIS ADDITIONAL HEAVY RAIN WILL LEAD 
TO SOME FLASH FLOOD PROBLEMS.

LAW ENFORCEMENT REPORTED A COUPLE OF SMALL CREEKS OUT OF THEIR 
BANKS...WATER STARTING TO COVER COUNTY ROADS...AND SOME ROADS IN THE 
CITY OF MADISON DOWN TO ONE LANE BECAUSE OF WATER FLOW.

* SOME LOCATIONS IN THE WARNING INCLUDE MADISON

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.

LAT...LON 3887 8532 3874 8523 3873 8545 3869 8545
          3866 8550 3870 8559 3882 8566 3892 8548

$$

STUREY
1 follow-up statement
000 
WGUS73 KLMK 022257
FFSLMK
INC077-022345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
555 PM EST TUE SEP 2 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 645 PM EST FOR JEFFERSON
COUNTY IN SOUTH CENTRAL INDIANA...

AT 555 PM EST...TORRENTIAL RAIN CONTINUED ACROSS THE SOUTH HALF OF 
JEFFERSON COUNTY IN SOUTH CENTRAL INDIANA. LAW ENFORCEMENT REPORTED 
MANY ROADS IMPASSABLE AROUND THE COUNTY...AND THEY ARE URGING IF YOU 
MUST TRAVEL TO USE EXTREME CAUTION.

TORRENTIAL RAIN AND FLASH FLOODING WILL CONTINUE OVER PARTS OF 
JEFFERSON COUNTY IN SOUTH CENTRAL INDIANA THROUGH 645 PM EST.

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.

$$

STUREY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 2:45 PM ESTFlash Flood WarningLMKJefferson60 min
Sep 2, 5:39 PM ESTFlash Flood WarningLMKScott36 min
Sep 2, 6:44 PM ESTFlash Flood WarningLMKJefferson2 hr

Nearby

Flash Flood Warnings in Indiana, 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.