Alert archive / Ohio / Flash Flood Warnings in 1989

Flash Flood Warning 13, NWS Wilmington, OH

August 29, 1989Butler County, Hamilton County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 29, 1989, 8:40 PM EDT for Butler County, Hamilton County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 29, 1989, 8:40 PM EDT (00:40 UTC)
Expired
Aug 29, 1989, 10:45 PM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Butler County, OH, Hamilton County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.7 hours before the alert went out and 72 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, Dayton/James M C, OH at 00:00Z on 1989-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1181 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 00:00Z on 1989-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939587897Sfc1 km3 km6 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
1181 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.7
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCVG 300040
FFWCVG
OHC017-061-300345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE COVINGTON KY
840 PM EDT TUE AUG 29 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 1145 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF OHIO
      BUTLER...HAMILTON

AT 835 PM EDT BUTLER AND HAMILTON COUNTY SHERRIFS OFFICES REPORTED
WATER COVERING STREETS...ESPECIALLY IN SOUTHWESTERN HAMILTON
COUNTY.

A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVER}S THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.

 JN

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 29, 4:47 PM EDT, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
444 PM EDT TUE AUG 29 1989

AT 435 PM EDT AN ISOLATED THUNDERSTORM NEAR THE KENTUCKY RIVER WAS
HEADED TOWARD WESTERN OWEN AND GALLATIN COUNTIES OF KENTUCKY.

WEATHER SERVICE RADAR SHOWED THE THUNDERSTORM NORTH OF NEW CASTLE ALONG
THE KENTUCKY RIVER.

THIS STORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WIND...
SMALL HAIL AND DANGEROUS LIGHTNING.

PEOPLE JUST WEST tOF OWETON AND JUST SOUTH CARROLLTON KENTUCKY CAN
EXPECT THUNDERSTORM ACTIVITY BETWEEN 5 PM EDT AND 530 PM EDT.

SAM
Special weather statement, Aug 29, 5:29 PM EDT, 3 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
525 PM EDT TUE AUG 29 1989

ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN AND GUSTY WINDS WERE
MOVING INTO WESTERN GALLATIN COUNTY KENTUCKY AT 520 PM EDT.

AT 515 PM EDT KENTUCKY STATE POLICE IN LA GRANGE REPORTED VERY HEAVY
RAIN JUST NORTH OF OWEN COUNTY KENTUCKY.

AS THESE THUNDERSTORMS CONTINUE TO MOVE NORTHEAST INTO GALLATIN
COUNTY KENTUCKY AND SWITZERLAND COUNTY OF SOUTHEAST INDIANA...
PEOPLE IN VEVAY INDIANA AND WARSAW KENTUCKY CAN EXPECT THUNDERSTORMS
FROM 530 PM EDT UNTIL AFTER 6 PM EDT.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS...
DANGEROUS LIGHTNING...SMALL HAILL AND WIND SPEEDS UP TO 35 TO 40 MPH.

SAM
Special weather statement, Aug 29, 6:27 PM EDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
623 PM EDT TUE AUG 29 1989

ISOLATED THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST INDIANA AND
SOUTHWEST OHIO AT 615 PM EDT.

ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN AND DANGEROUS LIGHTNING
WERE DEVELOPING NEAR OSGOOD TO LAWRENCEBURG INDIANA AND MIDDLETOWN
OHIO AT 620 PM EDT.

THE ISOLATED THUNDERSTORMS IN SOUTHEAST INDIANA AND SOUTHWEST OHIO
WERE DEVELOPING AHEAD OF MUCH LARGER SHOWER AND THUNDERSTORM AREA...
THAT EXTENDED JUST NORTH OF INDIANAPOLIS TO MUNCIE INDIANA.

PEOPLE IN THE RIPLEY AND DEARBORN COUNTIES OF INDIANA AND PEOPLE
IN BUTLER COUNTY OHIO CAN EXPECT VERY HEAVY DOWNPOURS...GUSTY WINDS
TO 35 MPH AND DANGEROUS LIGHTNING STRIKES DURING THIS EVENING.

SAM
Special weather statement, Aug 29, 8:12 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
809 PM EDT TUE AUG 29 1989

THE SEVERE THUNDERSTORM WARNING ISSUED FOR CLINTON COUNTY OHIO
WILL EXPIRE AT 815 PM EDT.

AT 805 PM EDT WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS
FROM VERSAILLES INDIANA THROUGH THE CINCINNATI AREA TO WILIMGTON OHIO.

VERSAILLES INDIANA STATE POLICE REPORTED MARBLE SIZE HAIL IN THE
VERSAILLES AREA AT 802 PM EDT.

WILIMGTON OOHIO STATE POLICE REPORTED POWER OUTAGES ALONG THE
WARREN-CLINTON COUNTY LINE JUST BEFORE 8 PM EDT.

THUNDERSTORM ACTIVITY WILL CONTINUE IN SOUTHEAST INDIANA...
SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 930 PM EDT.

SAM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 9:08 PM EDTFlash Flood WarningILNWarren2 hr

Nearby

Flash Flood Warnings in Ohio, 1989Every flash flood warning in 1989

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.