Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 36, NWS Wilmington, OH

August 26, 1992Warren County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 26, 1992, 11:05 PM EDT for Warren County, Ohio. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Aug 26, 1992, 11:05 PM EDT (03:05 UTC)
Expired
Aug 27, 1992, 12:00 AM EDT
In force
55 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Warren County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 3.1 hours before the alert went out and 53 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 1992-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1083 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 1992-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.1939Sfc1 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
1083 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
903 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCVG 270306
FFWCVG
OHC165-270400-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
1105 PM EDT WED AUG 26 1992
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
AN URBAN FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST OHIO
          ...WARREN
 
AT 1058 PM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW
SLOW MOVING THUNDERSTORMS IN WARREN COUNTY FROM MASON TO LEBANON
OHIO.
 
POLICE CENTRAL DISPATCH IN WARREN COUNTY REPORT ZOAR ROAD IN
SOUTH LEBANON OHIO HAS HIGH WATER AND IS THREATENING POSSIBLE
CLOSURE TONIGHT.
 
RAINFALL AMOUNTS HAVE GENERAL BEEN OF THE ONE INCH TO TWO
INCH CATEGORY IN WARREN COUNTY OHIO.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
SAM

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 26, 8:44 PM EDT, 2 hours 21 minutes before
OHZ008-INZ013-KYZ005-270200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
840 PM EDT WED AUG 26 1992

ISOLATED VERY HEAVY RAINS NORTHEAST OF CINCINNATI THIS EVENING
WILL CAUSE PONDING OF WATER AND SOME BASEMENT FLOODING.

AT 835 PM EDT NATIONAL WEATHER SERVICE RADAR IN CINCINNATI SHOWED
A COUPLE OF SLOW MOVING THUNDERSTORMS IN SOUTHERN WARREN AND NORTHEAST
HAMILTON COUNTY OF OHIO.

POLICE CENTRAL DISPATCH IN WARREN COUNTY REPORTED NEARLY A QUARTER OF
AN INCH OF RAIN IN THE LEBANON OHIO FROM 645 PM EDT UNTIL 815 PM EDT.

THE SLOW MOVEMENT OF THUNDERSTORMS IN THE SOUTHERN PART OF WARREN COUNTY
...NEAR KINGS ISLAND OHIO...SUGGEST MORE THAN THREE QUATERS OF AN INCH
OF RAIN WAS FALLING IN LESS THAN AN HOUR.
A SMALL AREA OF SHOWERS AND THUNDERSTORMS NORTH AND SOUTH OF THE
CINCINNATI/KENTUCKY INTERNATIONAL AIRPORT IN BOONE KENTUCKY TO
THE EAST-SIDE OF CINCINNATI TOWARD MASON AND MORROW OHIO WILL
BE THE FOCUS FOR BRIEF PERIODS OF VERY HEAVY DOWNPOURS UNTIL JUST
BEFORE 10 PM EDT.

IF YOU ARE IN OR TRAVELING INTO THESE AREAS...PLEASE BE ALTERED FOR
RAINFALL REDUCING VISBILITIES TO NEAR ZERO...PONDING OF WATER ON ROADS...
POSSIBLE BASEMENT FLOODING AND FREQUENT LIGHTNING STRIKES.

SAM
Special weather statement, Aug 26, 9:20 PM EDT, 1 hour 45 minutes before
OHZ008-INZ013-KYZ005-270200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
917 PM EDT WED AUG 26 1992

BRIEF VERY HEAVY DOWNPOURS WERE LEAVING THEIR MARK ON PART OF THE
GREATER CINCINNATI TRI STATE AREA THIS EVENING.

SINCE BETWEEN 830 PM AND 910 PM EDT RAINFALL TOTALED FOUR TENTHS
OF AN INCH OF AT THE CINCINNATI/NORTHERN KENTUCKY INTERNATIONAL AIRPORT
...WHILE NEARLY AN INCH OF RAIN FELL NEAR MASON OHIO IN WARREN COUNTY
OHIO.

AS THE HEAVY RAIN AREA LIFTS OUT OF NORTHERN KENTUCKY AND INTO HAMITON
AND WARREN COUNTIES OHIO...PEOPLE FROM CINCINATI TO LEBANON OHIO
MAY EXPERIENCE AN ADDITIONAL HALF INCH OR MORE BEFORE 10 PM EDT.

IF YOU ARE CAUGHT OUTDOOR DURING THESE SLOW MOVING THUNDERSTORMS THIS
EVENING...STAY CALM...BUT MORE TO A PLACE OF SAFETY IN STRUDY BUILDING
AND DO NOT TRY TO ACROSS AREAS OF HIGH WATER.

SAM
Special weather statement, Aug 26, 10:05 PM EDT, 1 hour before
OHZ008-INZ013-KYZ005-270330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1000 PM EDT WED AUG 26 1992

THUNDERSTORMS WITH VERY HEAVY RAINS...LIGHTNING...GUSTY WINDS AND
HAIL WERE MOVING THROUGH THE CINCIANNATI AREA THIS EVENING.

AT 957 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A CLUSTER OF
THUNDERSTORMS IN THE HAMILTON AND WARREN COUNTUES AREAS FROM
CINCINNATI TO LEBANON OHIO.

THESE THUNDERSTORMS MOVING EAST AT 15 MILES AN HOUR.

REPORTS OF RAINFALL OF ONE INCH TO AN INCH AND A HALF IN THIRTY-FIVE
MINTUES WITH WIND GUSTS TO ABOUT 45 MILES AN HOUR AND PEA SIZE HAIL
HAVE BEEN RECEIVED AT THE NATIONAL WEATHER SERVICE OFFICE FROM THE
COLERAIN AND MASON OHIO AREAS...ABOUT 10 TO 20 MILES NORTH OF
CINCINNATI.

THESE STORMS CONTINUE TO MOVE EAST WILL SHOW SOME DIMINISHMENT AROUND
1030 PM EDT.

PEOPLE IN THE CINCINNATI AREA AND WARREN COUNTY OHIO...SHOULD MOVE
INDOORS IN A STRUDY BUILDING AWAY FROM WINDOWS...A2ND DO NOT TRY
TO ACROSS AREAS OF HIGH WATER.

SAM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 9:14 PM EDTSevere Thunderstorm WarningILNMiami46 min
Aug 27, 2:43 PM EDTSevere Thunderstorm WarningILNAuglaize47 min
Aug 27, 3:03 PM EDTSevere Thunderstorm WarningILNHardin57 min
Aug 27, 3:33 PM EDTSevere Thunderstorm WarningILNButler, Warren47 min
Aug 27, 4:20 PM EDTFlash Flood WarningILNButler3 hr
Aug 27, 4:24 PM EDTSevere Thunderstorm WarningILNAshland36 min
Aug 27, 4:51 PM EDTSevere Thunderstorm WarningILNCrawford54 min

Nearby

Flash Flood Warnings in Ohio, 1992Every flash flood warning in 1992

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.