Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 69, NWS Louisville, KY

April 21, 2002Jefferson County, Scott County, Indiana

NWS Louisville, KY issued this flash flood warning at Apr 21, 2002, 5:56 PM EST for Jefferson County, Scott County, Indiana. It was in force for 34 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: Apr 21, 2002, 5:56 PM EST (22:56 UTC)
Expired: Apr 21, 2002, 6:30 PM EST
In force: 34 min
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

Counties Jefferson County, IN, Scott County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 173 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 498 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 390 m²/s²
0-3 km storm-relative helicity: 453 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 212257
FFWSDF
INC077-143-220030-

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 730 PM EST

* AT 553 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY       
  HEAVY RAIN OVER MUCH OF SCOTT AND JEFFERSON COUNTIES IN SOUTH
  CENTRAL INDIANA. RAINFALL TOTALS OF 2 TO 4 INCHES ARE LIKELY
  IN SPOTS THROUGH THE EARLY EVENING HOURS. THIS WILL LEAD TO
  FLASH FLOODIING.    
   
* SOME LOCATIONS IN THE WARNING INCLUDE MADISON AND SCOTTSBURG

DO NOT DRIVE ACROSS WATER COVERED ROADS...AS THE DEPTH OF THE
WATER MAY BE GREATER THAN YOU THINK.  

LAT...LON 3873 8586 3860 8569 3880 8525 3891 8536

$$
STUREY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 3:53 PM EST	Severe Thunderstorm Warning	LMK	Washington	27 min
Apr 21, 4:59 PM EST	Severe Thunderstorm Warning	LMK	Dubois	31 min
Apr 21, 5:26 PM EST	Tornado Warning	LMK	Crawford, Dubois, Perry	44 min
Apr 21, 5:27 PM EST	Severe Thunderstorm Warning	LMK	Orange	33 min
Apr 21, 5:53 PM EST	Tornado Warning	LMK	Harrison	37 min
Apr 21, 5:55 PM EST	Tornado Warning	LMK	Harrison	35 min
Apr 21, 5:57 PM EST	Flash Flood Warning	LMK	Jefferson, Scott	93 min
Apr 21, 6:12 PM EST	Severe Thunderstorm Warning	LMK	Clark, Floyd	48 min
Apr 21, 6:25 PM EST	Flash Flood Warning	LMK	Perry	35 min
Apr 21, 6:27 PM EST	Severe Thunderstorm Warning	LMK	Perry	33 min
Apr 21, 6:29 PM EST	Flash Flood Warning	LMK	Perry	91 min
Apr 21, 6:47 PM EST	Flash Flood Warning	LMK	Harrison	88 min

Nearby

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.