Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 48, NWS Louisville, KY

September 2, 2003Scott County, Indiana

NWS Louisville, KY issued this flash flood warning at Sep 2, 2003, 7:12 PM EST for Scott County, Indiana. It was in force for 93 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, 7:12 PM EST (00:12 UTC)
Expired
Sep 2, 2003, 8:45 PM EST
In force
93 min
Issued by
NWS Louisville, KY
Area
Counties, with a storm outline in the text

County Scott County, IN

The radar

The Louisville radar (KLVX), 78 km from the middle of the area, began a volume at 00:12 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 00:00Z, 0.2 hours before the alert went out and 186 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 00:00Z on 2003-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 618 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2003-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
618 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
533 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLMK 030017
FFWLMK
INC143-030245-

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN SCOTT COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 945 PM EST

* AT 710 PM EST...SHOWERS CONTINUED OVER MUCH OF SOUTHERN SCOTT 
COUNTY IN SOUTH CENTRAL INDIANA...SOME LOCALLY HEAVY.  ALTHOUGH 
THERE HAVE BEEN SIGNS OF A WEAKENING TREND...LAW ENFORCEMENT 
REPORTED ROADS IMPASSABLE AT FIVE DIFFERENT LOCATIONS IN THE 
LEXINGTON AREA. IT WILL TAKE SOME TIME FOR THE WATER TO 
RECEDE...EVEN IF THE RAIN ENDS. AS A RESULT...THE FLASH FLOOD 
WARNING HAS BEEN EXTENDED.

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 3868 8561 3866 8555 3863 8561 3860 8568
          3860 8590 3864 8585 3864 8584 3874 8567

$$

STUREY
1 follow-up statement
000 
WGUS73 KLMK 030139
FFSLMK
INC077-143-030245-

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

...A FLASH FLOOD WARNING CONTINUES UNTIL 945 PM EST FOR JEFFERSON AND
SOUTHERN SCOTT COUNTIES IN SOUTH CENTRAL INDIANA...

AT 830 PM EST...POCKETS OF SHOWERS CONTINUED AROUND PARTS OF SCOTT 
AND JEFFERSON COUNTIES.

THE PUBLIC AND LAW ENFORCEMENT STILL REPORT FLOODED ROADS IN 
SOUTHEAST SCOTT COUNTY AND ACROSS JEFFERSON COUNTY IN SOUTH CENTRAL 
INDIANA. 

AS A RESULT...EVEN THOUGH THE COVERAGE OF THE RAIN HAS DIMINISHED...
IT WILL TAKE TIME FOR WATERS T0 RECEDE. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS. NOT DRIVE THROUGH FLOODED ROADWAYS...IT MAY BE 
DIFFICULT TO JUDGE THE ACTUAL DEPTH OF THE WATER. 

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

$$
STUREY

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.