Alert archive / Kentucky / Flash Flood Warnings in 2002

Flash Flood Warning 28, NWS Louisville, KY

April 21, 2002Harrison County, Indiana; Jefferson County, Meade County, Kentucky

NWS Louisville, KY issued this flash flood warning at Apr 21, 2002, 7:47 PM EDT for Harrison County, Indiana; Jefferson County, Meade County, Kentucky. It was in force for 88 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 21, 2002, 7:47 PM EDT (23:47 UTC)
Expired: Apr 21, 2002, 9:15 PM EDT
In force: 88 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Harrison County, IN, Jefferson County, KY, Meade County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.8 hours before the alert went out and 227 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: 57 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 1020 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 177 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 212347
FFWSDF
INC061-KYC111-163-220115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
745 PM EDT SUN APR 21 2002

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY
  THIS INCLUDES THE CITY OF LOUISVILLE
  MEADE COUNTY IN NORTH CENTRAL KENTUCKY
  SOUTHERN HARRISON COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 915 PM EDT

* AT 745 PM EDT...THUNDERSTORMS WITH HEAVY RAIN WILL DUMP ONE TO
  THREE INCHES OF RAIN OVER PARTS OF THE WARNING AREA THROUGH
  MID EVENING. THIS WILL LIKELY LEAD TO FLASH FLOODING.

* SOME LOCATIONS IN THE WARNING INCLUDE LOUISVILLE...CORYDON AND
  BRANDENBURG.

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.

$$
STUREY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 4:53 PM EDT	Severe Thunderstorm Warning	LMK	Washington	27 min
Apr 21, 5:59 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	31 min
Apr 21, 6:26 PM EDT	Tornado Warning	LMK	Crawford, Dubois, Perry	44 min
Apr 21, 6:27 PM EDT	Severe Thunderstorm Warning	LMK	Orange	33 min
Apr 21, 6:53 PM EDT	Tornado Warning	LMK	Harrison	37 min
Apr 21, 6:55 PM EDT	Tornado Warning	LMK	Harrison	35 min
Apr 21, 6:56 PM EDT	Flash Flood Warning	LMK	Jefferson, Scott	34 min
Apr 21, 6:57 PM EDT	Flash Flood Warning	LMK	Jefferson, Scott	93 min
Apr 21, 7:12 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Floyd	48 min
Apr 21, 7:25 PM EDT	Flash Flood Warning	LMK	Perry	35 min
Apr 21, 7:27 PM EDT	Severe Thunderstorm Warning	LMK	Perry	33 min
Apr 21, 7:29 PM EDT	Flash Flood Warning	LMK	Perry	91 min
Apr 21, 7:44 PM EDT	Severe Thunderstorm Warning	LMK	Nelson, Shelby, Spencer	46 min
Apr 21, 7:48 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge	27 min

Nearby

Flash Flood Warnings in Kentucky, 2002 Flash Flood Warnings in Indiana, 2002 Every flash flood warning in 2002

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.