Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 70, NWS Louisville, KY

April 21, 2002Perry County, Indiana

NWS Louisville, KY issued this flash flood warning at Apr 21, 2002, 6:25 PM EST for Perry County, Indiana. It was in force for 35 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, 6:25 PM EST (23:25 UTC)
Expired
Apr 21, 2002, 7:00 PM EST
In force
35 min
Issued by
NWS Louisville, KY
Area
Counties, with a storm outline in the text

County Perry County, IN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 215 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, Nashville Metro, TN at 12:00Z on 2002-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2002-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.1939587897Sfc1 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
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 212329
FFWSDF
INC123-220100-

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 800 PM EST

* AT 625 PM EST...HEAVY RAIN CONTINUED OVER PERRY COUNTY IN SOUTH
  CENTRAL INDIANA. ONE TO THREE INCHES OF RAIN WILL BE               
  LIKELY BEFORE ENDING LATER IN THE EVENING. THIS HEAVY RAIN WILL
  LEAD TO FLASH FLOODING.

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.

LAT...LON 3799 8681 3788 8664 3821 8646 3822 8679

$$
STUREY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 3:53 PM ESTSevere Thunderstorm WarningLMKWashington27 min
Apr 21, 4:59 PM ESTSevere Thunderstorm WarningLMKDubois31 min
Apr 21, 5:26 PM ESTTornado WarningLMKCrawford, Dubois, Perry44 min
Apr 21, 5:27 PM ESTSevere Thunderstorm WarningLMKOrange33 min
Apr 21, 5:53 PM ESTTornado WarningLMKHarrison37 min
Apr 21, 5:55 PM ESTTornado WarningLMKHarrison35 min
Apr 21, 5:56 PM ESTFlash Flood WarningLMKJefferson, Scott34 min
Apr 21, 5:57 PM ESTFlash Flood WarningLMKJefferson, Scott93 min
Apr 21, 6:12 PM ESTSevere Thunderstorm WarningLMKClark, Floyd48 min
Apr 21, 6:27 PM ESTSevere Thunderstorm WarningLMKPerry33 min
Apr 21, 6:29 PM ESTFlash Flood WarningLMKPerry91 min
Apr 21, 6:47 PM ESTFlash Flood WarningLMKHarrison88 min

Nearby

Flash Flood Warnings in Indiana, 2002Every 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.