Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Wilmington, OH

February 15, 1990Butler County, Ohio

NWS Wilmington, OH issued this flash flood warning at Feb 15, 1990, 4:17 PM EST for Butler County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 4:17 PM EST (21:17 UTC)
Expired
Feb 15, 1990, 8:15 PM EST
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Butler 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 12:00Z, 9.3 hours before the alert went out and 61 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 12:00Z on 1990-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dayton/James M C, OH at 12:00Z on 1990-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 523 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
523 m²/s²
0-3 km storm-relative helicity
539 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 
TTAA00 KCVG 152118
FFWCVG
OHC017-160115-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
417 PM EST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST OHIO
          ...BUTLER
 
 
AT 410 THIS AFTERNOON BUTLER COUNTY CIVIL DEFENSE REPORTED THAT
SEVEN MILE CREEK AT SEVEN MILE WAS FLOODING ONTO THE ROAD. AT NEW
MIAMI THE MIAMI RIVER WAS AT BANKFULL. MORE RAINFALL IS LIKELY
FOR THE REMAINDER OF THE EVENING AND NIGHT ONLY ADDING TO THE PROBLEM.
 
 
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 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.

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, Feb 15, 2:09 PM EST, 2 hours 8 minutes before
OHZ008-INZ013-KYZ005-152200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
207 PM EST THU FEB 15 1990

WEATHER SERVICE RADAR SHOWED A LARGE MODERATE TO HEAVY RAIN AREA
THAT WAS MOVING INTO SOUTHWEST OHIO AND NORTHERN KENTUCKY AT 200
PM EST THIS AFTERNOON.

RAINFALL AMOUNTS HAVE BEEN ON THE HEAVY SIDE THROUGHOUT THE MORNING
AND WILL CONTINUE THROUGHOUT MOST OF THE AFTERNOON AROUND THE AREA.
SINCE EARLY THIS MORNING OVER AN INCH HAS FALLEN AT THE  CINCINNATI
INTERNATIONAL AIRPORT...MOST OF IT FALLING FROM 400 AM UNTIL 1100AM.

A LARGE AREA OF MODERATE TO HEAVY RAINFALL WAS FROM CINCINNATI WEST TO
INDIANAPOLIS AND THEN SOUTHWEST TO EVANSVILLE IN INDIANA.

THERE WERE A FEW EMBEDDED THUNDERSTORMS FROM CINCINNATI TO LOUISVILLE
ALONG THE RIVER.
THE AREA OF MODERATE TO HEAVY RAIN WILL BE EVENTUALLY OVERSPREADING
THE ENTIRE TRI-STATE BY 300 PM THIS AFTERNOON. THIS RAIN WILL CONTINUE
INTO THE LATE AFTERNOON BEFORE DECREASING IN INTENSITY.

MOVEMENT OF THE INDIVIDUAL THUNDERSTORMS AND RAINSHOWERS WAS TO THE
NORTH AROUND 55 MILES AN HOUR.

ANOTHER ONE-HALF TO THREE-QUARTERS OF AN INCH OF RAINFALL BEFORE 500
PM THIS EVENING COULD EASILY PUSH LOCAL STREAMS AND CREEKS ABOVE BANK
FULL.

DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS WITH YOUR CAR...THIS IS
DANGEROUS...ALSO...IF YOU LIVE BY A STREAM BE ALERT TO SUDDEN RISES
IN THE WATER LEVEL.

MEDLIN
Special weather statement, Feb 15, 3:09 PM EST, 1 hour 8 minutes before
OHZ008-INZ013-KYZ005-152300-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
310 PM EST THU FEB 15 1990

AT 3 PM THE WEATHER RADAR INDICATED A LARGE AREA OF RAIN OVER
SOUTHWEST OHIO AND NORTHERN KENTUCKY. SOME OF THIS RAIN WAS
HEAVY. THE RAIN WAS MOVING TO THE NORTHEAST 50 MPH.

HERE AT THE AIRPORT RAIN FALL TOTAL SO FAR TODAY IS ABOUT ONE
AND A HALF INCHES. THERE HAS BEEN STREET OR URBAN FLOODING IN
PARTS OF WESTERN CINCINNATI. SOME STREAMS IN NORTHERN KENTUCKY
ARE NEAR BANKFULL. A SMALL STREAM IN IN BOONE COUNTY IN THE
BURLINGTON AREA WAS OVER THE BANKS IN SOME AREA.

FOUR FEET OF WATER WAS REPORTED BY THE CINCINNATI POLICE
IN PLEASANT RIDGE AREA OF INDIAN MOUND AND CYPRESS WAY AT 310 PM.

END  JR
THE ENTIRE TRI-STATE BY 300 PM THIS AFTERNOON. THIS RAIN WILL CONTINUE
INTO THE LATE AFTERNOON BEFORE DECREASING IN INTENSITY.

MOVEMENT OF THE INDIVIDUAL THUNDERSTORMS AND RAINSHOWERS WAS TO THE
NORTH AROUND 55 MILES AN HOUR.

ANOTHER ONE-HALF TO THREE-QUARTERS OF AN INCH OF RAINFALL BEFORE 500
PM THIS EVENING COULD EASILY PUSH LOCAL STREAMS AND CREEKS ABOVE BANK
FULL.

DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS WITH YOUR CAR...THIS IS
DANGEROUS...ALSO...IF YOU LIVE BY A STREAM BE ALERT TO SUDDEN RISES
IN THE WATER LEVEL.

MEDLIN
Special weather statement, Feb 15, 3:10 PM EST, 1 hour 7 minutes before
OHZ008-INZ013-KYZ005-152300-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
310 PM EST THU FEB 15 1990

AT 3 PM THE WEATHER RADAR INDICATED A LARGE AREA OF RAIN OVER
SOUTHWEST OHIO AND NORTHERN KENTUCKY. SOME OF THIS RAIN WAS
HEAVY. THE RAIN WAS MOVING TO THE NORTHEAST 50 MPH.

HERE AT THE AIRPORT RAIN FALL TOTAL SO FAR TODAY IS ABOUT ONE
AND A HALF INCHES. THERE HAS BEEN STREET OR URBAN FLOODING IN
PARTS OF WESTERN CINCINNATI. SOME STREAMS IN NORTHERN KENTUCKY
ARE NEAR BANKFULL. A SMALL STREAM IN IN BOONE COUNTY IN THE
BURLINGTON AREA WAS OVER THE BANKS IN SOME AREA.

FOUR FEET OF WATER WAS REPORTED BY THE CINCINNATI POLICE
IN PLEASANT RIDGE AREA OF INDIAN MOUND AND CYPRESS WAY AT 310 PM.

END  JR
CORRECTED FOR CODING

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 2:50 PM ESTFlash Flood WarningILNHamilton3 hr
Feb 15, 4:53 PM ESTFlash Flood WarningILNWarren5 hr
Feb 15, 6:36 PM ESTFlash Flood WarningILNButler, Hamilton, Warren4 hr

Nearby

Flash Flood Warnings in Ohio, 1990Every flash flood warning in 1990

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.