Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 9, NWS Wilmington, OH

May 16, 1990Preble County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 16, 1990, 11:29 PM EDT for Preble County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 16, 1990, 11:29 PM EDT (03:29 UTC)
Expired
May 17, 1990, 2:30 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Preble 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, 3.5 hours before the alert went out and 42 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 1990-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 149 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, Dayton/James M C, OH at 00:00Z on 1990-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
149 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
154 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 KDAY 170329
FFWDAY
OHC135-170630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE DAYTON OH
1129 PM EDT WED MAY 16 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 230 AM EDT FOR PEOPLE IN 
THE FOLLOWING COUNTY

   IN THE STATE OF OHIO
      PREBLE

AT 1125 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF
SHOWERS AND THUNDERSTORMS MOVING INTO PREBLE COUNTY. THE PREBLE
COUNTY SHERIFF OFFICE REPORTED SMALL STREAM WERE STARTING TO
OVERFLOW THIER BANKS. WITH THE GROUND ALREADY SATURATED THIS
ADDITIONAL RAIN WILL CAUSE SOME FLOODING IN AND AROUND SMALL
STREAMS AND OTHER FLOOD PRONE AREAS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS.  IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY.  MOVE TO HIGHER GROUND TO EXCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHWEN WATER BEGINS RISING.

 TORRENCE

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, May 16, 6:53 PM EDT, 4 hours 36 minutes before
OHZ008-KYZ005-INZ013-162345

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
655 PM EDT WED MAY 16 1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHWEST OHIO...
SOUTHEAST INDIANA AND ALL OF NORTHERN KENTUCKY UNTIL 11PM EDT...

AT 730 PM WEATHER SERVICE RADAR SHOWED A AREA OF SHOWERS AND
THUNDERSTORMS OVER SOUTH CENTRAL INDIANA AND WESTERN KENTUCKY.

THE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM 25 MILES SOUTH OF
TERRE HAUTE INDIANA SOUTHEAST TO MIDWAY KENTUCKY WHICH IS 50 MILES
EAST OF LOUISVILLE. THE HEAVIEST OF RAIN IS 15 MILES EAST OF LOUISVILLE.
THIS RAIN AREA IS 90 MILES WIDE.

MOVEMENT OF THE RAIN WAS NORTHEAST ALONG THE OHIO RIVER AT 30 MILES AN
HOUR.

AS THESE THUNDERSTORMS MOVE INTO THE CINCINNATI AREA AROUND 8 PM BRIEF
PERIODS OF HEAVY RAIN...GUSTY WINDS AND FREQUENT LIGHTNING CAN BE
EXPECTED. PLEASE LISTEN TO LOCAL TELEVISION OR NOAA WEATHER RADIO
STATIONS FOR POSSIBLE WARNINGS.

KEENEY
Special weather statement, May 16, 7:46 PM EDT, 3 hours 43 minutes before
OHZ008-KYZ005-INZ013-162345

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
745 PM EDT WED MAY 16 1990

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF SOUTHWEST
OHIO...SOUTHEAST INDIANA AND ALL OF NORTHERN KENTUCKY UNTIL 11PM EDT.

AT 730 PM WEATHER SERVICE RADAR SHOWED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS OVER SOUTHEAST INDIANA AND NORTHWEST KENTUCKY.

THE HEAVIEST RAIN WAS FALLING FROM JUST SOUTHWEST OF CINCINNATI OHIO
TO LOUISVILLE KENTUCKY.

OTHER HEAVY SHOWERS WERE OVER SOUTH CENTRAL INDIANA FROM MONTGOMERY
TO CAMPBELLSBURG...OR ABOUT 30 MILES NORTHWEST OF LOUISVILLE KENTUCKY.

MOVEMENT OF THE RAIN WAS TO THE NORTHEAST AT AROUND 40 MILES AN HOUR.

RAIN WILL FALL OVER MUCH OF THE CINCINNATI TRISTATE BETWEEN NOW AND
10 PM THIS EVENING. THE HEAVIEST OF THE SHOWERS ARE LIKELY TO OCCUR
OVER NORTHERN KENTUCKY BEFORE 9 PM EDT FROM OWENTON TO DRY RIDGE AND
SOUTH ALONG INTERSTATE 75.

THESE STORMS MAY BE ACCOMPANIED WITH HEAVY DOWNPOURS...GUSTY WINDS
AND FREQUENT LIGHTNING.

MANUEL
Special weather statement, May 16, 8:53 PM EDT, 2 hours 36 minutes before
OHZ008-KYZ005-INZ013-160145

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
856 PM EDT WED MAY 16 1990

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF SOUTHWEST
OHIO...SOUTHEAST INDIANA AND ALL OF NORTHERN KENTUCKY UNTIL 11PM EDT.

AT 830 PM WEATHER SERVICE RADAR SHOWED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS OVER SOUTHEAST INDIANA...NORTHERN KENTUCKY AND SOUTHWEST
OHIO.

THE HEAVIEST RAIN WAS FALLING FROM FALMOUTH SOUTH TO LEXINGTON KENTUCKY.

OTHER HEAVY SHOWERS WERE OVER SOUTHEAST INDIANA FROM FRENCH LICK
SOUTHEAST TO RICHMOND. HEAVY SHOWERS WERE ALSO FALLING OVER THE
CINCINNATI AREA THEN EAST 75 MILES.

MOVEMENT OF THE RAIN WAS TO THE NORTHEAST AT AROUND 40 MILES AN HOUR.
NEW THUNDERSTORMS WERE DEVELOPING OVER SOUTH CENTRAL INDIANA AND
WILL BE MOVING EAST. THESE STORMS WILL LIKELY MOVE INTO NORTHERN
KENTUCKY BY 10PM.

THESE STORMS MAY BE ACCOMPANIED WITH HEAVY DOWNPOURS...GUSTyY WINDS
AND FREQUENT LIGHTNING.

KEENEY
Special weather statement, May 16, 9:53 PM EDT, 1 hour 36 minutes before
OHZ008-KYZ005-INZ013-160245

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
955 PM EDT WED MAY 16 1990

...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR PARTS OF
SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTHERN KENTUCKY...

AT 930 PM WEATHER SERVICE RADAR SHOWED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS OVER SOUTHEAST INDIANA...NORTHERN KENTUCKY AND SOUTHWEST
AND SOUTH CENTRAL OHIO.

A LINE OF THUNDERSTORMS EXTENDED FROM CINCINNATI SOUTHWEST TO MONTGOMERY
INDIANA WHICH IS 50 MILES NORTHWEST OF LOUISVILLE KENTUCKY. THESE STORMS
ARE CAPIBLE OF PRODUCING EXTREMELY HEAVY RAIN...GUSTY WINDS AND FREQUENT
LIGHTNING. OTHER SHOWERS AND THUNDERSHOWERS WERE OCCURRING FROM TERRE
HAUTE INDIANA EAST TO CHILLICOTHE OHIO. THE AREA WAS 60 MILES WIDE.

MOVEMENT OF THE RAIN WAS GENERALLY TO THE EAST AROUND 40 MILES AN HOUR.
PEOPLE IN NORTHERN KENTUCKY SHOULD LISTEN TO LOCAL TELEVISION OR
RADIO STATIONS OR NOAA WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE
WARNING AS THESE THUNDERSTORMS MOVE EAST.

KEENEY

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 11:48 PM EDTFlash Flood WarningILNClermont, Hamilton57 min
May 16, 11:48 PM EDTSevere Thunderstorm WarningILNClermont, Hamilton57 min
May 17, 1:27 AM EDTFlash Flood WarningILNBrown, Clermont2 hr
May 17, 1:27 AM EDTFlash Flood WarningILNHighland2 hr
May 17, 1:49 AM EDTFlash Flood WarningILNMontgomery3 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.