Alert archive / Kentucky / Flash Flood Warnings in 1994

Flash Flood Warning 22, NWS Wilmington, OH

August 29, 1994Campbell County, Kenton County, Kentucky; Hamilton County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 29, 1994, 12:32 AM EDT for Campbell County, Kenton County, Kentucky; Hamilton County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Aug 29, 1994, 12:32 AM EDT (04:32 UTC)
Expired
Aug 29, 1994, 1:30 AM EDT
In force
58 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Campbell County, KY, Kenton County, KY, Hamilton County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 4.5 hours before the alert went out and 100 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 1994-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 226 joules per kilogram.LCLLFCEL10008507005003002001001 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 1994-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 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
226 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCVG 290435
FFWCVG
KYC037-117-OHC061-290530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
NATIONAL WEATHER SERVICE CINCINNATI OH
1232 AM EDT MON AUG 29 1994
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  130 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH KENTUCKY
 
   ...CAMPBELL COUNTY...KENTON COUNTY
 
 
IN SOUTHWEST OHIO
 
   ...HAMILTON COUNTY
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A FLOOD WARNING
FOR URBAN AREAS AND SMALL STREAMS. HAMILTON COUNTY OHIO POLICE STATED
SCATTERED REPORTS OF HIGH WATER ON ROADS AND SOME REPORTS OF FLOODED
BASEMENTS.
 
AT 1230 AM EDT...WEATHER SERVICE RADAR DETECTED THE BACK EDGE OF AN 80
MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS WAS PUSHING THOUGH HAMILTON
COUNTY OHIO AND FAR NORTHERN KENTUCKY. THESE THUNDERSTORMS HAVE PRODUCED
ABOUT 0.70 INCHES OF RAIN SINCE 1130 PM EDT. RAINFALL TOTALS ACROSS THE
CINCINNATI TRI STATE ARE MEASURING CLOSE TO 3 INCHES SINCE 900 PM EDT.
 
THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASHD FLOODS. IF FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
DIAN
 
&

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 28, 10:10 PM EDT, 2 hours 22 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-290315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1008 PM EDT (908 PM EST) SUN AUG 28 1994

THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE AFFECTING
PORTIONS OF THE TRISTATE.

AT 1000 PM EDT/900 PM EST WEATHER SERVICE RADAR INDICATED AN 80 MILE
WIDE AREA OF SHOWERS AND THUNDERSTORMS FROM 100 MILES EAST OF CINCINNATI
TO 125 MILES SOUTHWEST OF CINCINNATI. THE STRONGEST THUNDERSTORMS WERE
ACROSS SOUTHEAST INDIANA FROM SOUTHEAST FRANKLIN COUNTY TO OHIO COUNTY.
OTHER STRONG THUNDERSTORMS WERE AFFECTING NORTHERN WARREN COUNTY OHIO.
PEA SIZED HAIL WAS REPORTED IN OSGOOD INDIANA AT 908 PM EST.

MOVEMENT OF THESE THUNDERSTORMS WAS TO THE EAST AT 35 MILES AN HOUR.

THE STRONGEST THUNDERSTORMS ARE CAPABLE OF WIND GUSTS TO 35 MILES AN
HOUR..FREQUENT CLOUD TO GROUND LIGHTNING AND SMALL HAIL. IF
THUNDERSTORMS APPROACH SEEK SHELTER IMMEDIATELY.

STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES.

JOHNSTONE
Special weather statement, Aug 28, 10:35 PM EDT, 1 hour 57 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-290330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1033 PM EDT (933 PM EST) SUN AUG 28 1994

THUNDERSTORMS WITH TORRENTIAL RAINS CONTINUED ACROSS PORTIONS OF THE
TRISTATE.

BETWEEN 1015 AND 1030 PM EDT NEARLY A HALF INCH OF RAIN FELL HERE AT THE
CINCINNATI NORTHERN KENTUCKY INTERNATIONAL AIRPORT. ELSEWHERE AROUND THE
TRISTATE...RADAR INDICATED THUNDERSTORMS CONTAINING VERY HEAVY RAIN
EXTENDING FROM BUTLER COUNTY OHIO...THROUGH THE CITY OF CINCINNATI INTO
NORTHERN KENTUCKY.

MOVENT OF ALL PRECIPITATION WAS TO THE EAST AT 35 MILES AN HOUR.

IF YOU WILL BE TRAVELLING ACROSS THE TRISTATE DURING THE REMAINDER OF
THE EVENING HOURS EXPECT THE POSSIBILITY OF THUNDERSTORMS CONTAINING
BLINDING RAINS...AS WELL AS SIGNIFICANT PONDING OF WATER ON ROADWAYS.
THE STRONGEST THUNDERSTORMS MAY ALSO PRODUCE SOME SMALL HAIL AND WIND
GUSTS TO 30 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDIATELY. STAY TUNED
TO NOAA WEATHER RADIO FOR UPDATES.

JOHNSTONE
Special weather statement, Aug 28, 10:39 PM EDT, 1 hour 53 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-290330-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CINCINNATI OH
1038 PM EDT (938 PM EST) SUN AUG 28 1994

THUNDERSTORMS WITH TORRENTIAL RAINS CONTINUED ACROSS PORTIONS OF THE
TRISTATE.

BETWEEN 1015 AND 1030 PM EDT NEARLY A HALF INCH OF RAIN FELL HERE AT THE
CINCINNATI NORTHERN KENTUCKY INTERNATIONAL AIRPORT. ELSEWHERE AROUND THE
TRISTATE...RADAR INDICATED THUNDERSTORMS CONTAINING VERY HEAVY RAIN
EXTENDING FROM BUTLER COUNTY OHIO...THROUGH THE CITY OF CINCINNATI INTO
NORTHERN KENTUCKY.

MOVEMENT OF ALL PRECIPITATION WAS TO THE EAST AT 35 MILES AN HOUR.

IF YOU WILL BE TRAVELLING ACROSS THE TRISTATE DURING THE REMAINDER OF
THE EVENING HOURS EXPECT THE POSSIBILITY OF THUNDERSTORMS CONTAINING
BLINDING RAINS...AS WELL AS SIGNIFICANT PONDING OF WATER ON ROADWAYS.
THE STRONGEST THUNDERSTORMS MAY ALSO PRODUCE SOME SMALL HAIL AND WIND
GUSTS TO 30 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDIATELY. STAY TUNED
TO NOAA WEATHER RADIO FOR UPDATES.

JOHNSTONE
CORRECTED TYPO IN THIRD PARAGRAPH
Special weather statement, Aug 28, 11:09 PM EDT, 1 hour 23 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-290415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1107 PM EDT (1007 PM EST) SUN AUG 28 1994

THUNDERSTORMS WITH HEAVY RAIN CONTINUED ACROSS THE TRISTATE.

REPORTS FROM AROUND THE TRISTATE INDICATE ANYWHERE FROM ONE TO TWO
INCHES OF RAIN HAS FALLEN SINCE EARLIER THIS EVENING ACROSS A GOOD
DEAL OF THE AREA.  AT 1103 PM EDT WEATHER SERVICE RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING ACROSS WARREN AND
CLINTON COUNTIES OF SOUTHWEST OHIO...AS WELL AS DEARBORN COUNTY
INDIANA.

MOVEMENT OF ALL PRECIPITATION WAS TO THE EAST AT 35 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE TO PRODCE VERY HEAVY RAIN ACROSS THE AREA
THROUGH 100 AM EDT. MOTORISTS SHOULD REMAIN ALERT TO THE POSSIBILITY OF
SIGNIFICANT PONDING OF WATER ON ROADWAYS. NEVER ATTEMPT TO CROSS A ROAD
WHICH IS COVERED WITH WATER.

IF THUNDERSTORMS APPROACH MOVE TO A PLACE OF SAFETY IMMEDIATELY...AND
STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES.

JOHNSTONE
Special weather statement, Aug 28, 11:39 PM EDT, 53 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-290445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1137 PM EDT (1037 PM EST) SUN AUG 28 1994

STRONG THUNDERSTORMS CONTAINING VERY HEAVY RAIN CONTINUED TO ROLL
THROUGH PARTS OF THE CINCINANTI TRI STATE.

AT 1130 PM EDT (1030 PM EST)...WEATHER SERVICE RADAR DETECTED AN 85 MILE
WIDE BAND OF SHOWERS...SOME EMBEDDED THUNDERSTORMS AND LIGHT RAIN
EXTENDING FROM COLUMBUS OHIO...TO 40 MILES SOUTHWEST OF LOUISVILLE. THE
STRONGEST THUNDERSTORM CONTAINING THE HEAVIEST RAIN WAS IN SOUTHEAST
RIPLEY COUNTY INDIANA...MOVING INTO SOUTHWEST DEARBORN COUNTY.

ADDITIONAL THUNDERSTORMS WERE LOCATED IN HAMILTON AND BUTLER COUNTIES IN
OHIO.

THE SHOWERS AND THUNDERSTORMS WERE MOVING MOSTLY EAST AT 35 MILES AN
HOUR...WHILE THE ENTIRE BAND OF PRECIPITATION WAS MOVING SOUTHEAST AT 15
MILES AN HOUR.

THESE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...OCCASIONAL CLOUD TO
GROUND LIGHTNING...AND POSSIBLY SMALL HAIL. IF THUNDERSTORMS APPROACH
YOUR AREA...IT IS BEST TO MOVE INDOORS AND STAY AWAY FROM WINDOWS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES ON THESE
THUNDERSTORMS.

DIAN
Special weather statement, Aug 29, 12:13 AM EDT, 19 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-290515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1211 AM EDT (1111 PM EST) MON AUG 29 1994

THUNDERSTORMS CONTINUED TO DUMP HEAVY RAIN ACROSS THE TRISTATE.

AT 1207 AM EDT/1107 PM EST WEATHER SERVICE RADAR INDICATED SHOWERS WITH
EMBEDDED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS SOUTHWEST OHIO AND
MOST OF NORTHERN KENTUCKY.  MOST OF THE HEAVIEST RAINFALL HAD MOVED EAST
OUT OF SOUTHEAST INDIANA. MOVEMENT OF ALL PRECIPITAION WAS TO THE EAST
AT 35 MILES AN HOUR.

RAINFALL TOTALS OF BETWEEN 2 AND 2.5 INCHES SINCE 700 PM EDT ARE COMMON
ACROSS SOUTHWEST OHIO AND SOUTHEAST INDIANA. NO FLOODING HAS BEEN
REPORTED AS OF THIS TIME...HOWEVER MANY ROADWAYS DID HAVE SIGNIFICANT
PONDING OF WATER.

THE HEAVIEST RAINFALL WILL BEGIN TO PUSH EAST OUT OF THE TRISTATE AFTER
100 AM EDT/MIDNIGHT EST. UNTIL THEN BE ON THE LOOKOUT FOR PONDING OF
WATER ON ROADWAYS...AS WELL AS REDUCED VISIBILITIES DUE TO HEAVY RAIN.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

JOHNSTONE

Nearby

Flash Flood Warnings in Kentucky, 1994Flash Flood Warnings in Ohio, 1994Every flash flood warning in 1994

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.