Alert archive / Kentucky / Flash Flood Warnings in 2002

Flash Flood Warning 21, NWS Wilmington, OH

May 8, 2002Butler County, Hamilton County, Ohio; 4 counties in Kentucky

NWS Wilmington, OH issued this flash flood warning at May 8, 2002, 9:37 AM EDT for Butler County, Hamilton County, Ohio; 4 counties in Kentucky. It was in force for 113 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
May 8, 2002, 9:37 AM EDT (13:37 UTC)
Expired
May 8, 2002, 11:30 AM EDT
In force
113 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Boone County, KY, Carroll County, KY, Gallatin County, KY, Kenton County, KY, Butler County, OH, Hamilton County, OH

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 1.6 hours before the alert went out and 356 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, Lincoln, IL at 12:00Z on 2002-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Lincoln, IL at 12:00Z on 2002-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
13 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
476 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
335 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 
WGUS51 KILN 081337
FFWILN
KYC015-041-077-117-OHC017-061-081530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
934 AM EDT WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOONE COUNTY IN NORTHERN KENTUCKY...
  KENTON COUNTY IN NORTHERN KENTUCKY...
  GALLATIN COUNTY IN NORTHERN KENTUCKY...
  CARROLL COUNTY IN NORTHERN KENTUCKY...
  BUTLER COUNTY IN SOUTHWEST OHIO...
  HAMILTON COUNTY IN SOUTHWEST OHIO...

* UNTIL 1130 AM EDT...

* WEATHER SERVICE RADAR INDICATED VERY HEAVY RAIN OVER THE 
  CINCINNATI TRI STATE. UP TO AN INCH OF RAIN HAS ALREADY FALLEN 
  SINCE 8 AM...WITH AN ADDITIONAL 1 TO 2 INCHES EXPECTED IN SOME 
  LOCATIONS THROUGH 1100 AM. 

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...
  COVINGTON...
  ERLANGER...
  FLORENCE...
  INDEPENDENCE...
  CINCINNATI...
  HAMILTON...
  OXFORD...
  READING...
   
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 10:23 AM EDTFlash Flood WarningILNClermont112 min
May 8, 10:49 AM EDTFlash Flood WarningILNBrown, Highland116 min
May 8, 11:21 AM EDTFlash Flood WarningILNAdams, Pike, Ross114 min

Nearby

Flash Flood Warnings in Kentucky, 2002Flash Flood Warnings in Ohio, 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.