Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 8, NWS Wilmington, OH

July 16, 1992Auglaize County, Logan County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 16, 1992, 10:50 PM EDT for Auglaize County, Logan County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 16, 1992, 10:50 PM EDT (02:50 UTC)
Expired
Jul 17, 1992, 1:43 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Auglaize County, OH, Logan County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 2.8 hours before the alert went out and 66 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 1992-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1591 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 1992-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939Sfc1 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
1591 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAY 170251
FFWDAY
OHC011-091-170545-
 
FLOOD WARNING
NATIONAL WEATHER SERVICE DAYTON OH
1050 PM EDT THU JUL 16 1992
 
THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  145 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN WEST CENTRAL OHIO
 
   ...AUGLAIZE COUNTY...LOGAN COUNTY
 
SMALL STREAM FLOODING IS LIKELY TONIGHT IN AUGLAIZE AND LOGAN
COUNTIES.
 
AT 1045 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
VERY HEAVY RAIN IN WESTERN PARTS OF AUGLAIZE AND LOGAN COUNTIES.
THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH AND ARE CAPABLE OF
PRODUCING VERY HEAVY DOWNPOURS.
 
PEOPLE IN AUGLAIZE AND LOGAN COUNTIES LIVING NEAR SMALL STREAMS SHOULD
MONITOR THE SITUATION CAREFULLY AND BE PREPARED TO MOVE TO A SAFE
PLACE IF FLOODING OCCURS IN YOUR AREA.
 
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.
 
LINDSEY

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, Jul 16, 6:44 PM EDT, 4 hours 6 minutes before
INZ013-OHZ008-KYZ005-170000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
643 PM EDT THU JUL 16 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHWEST OHIO...
SOUTHEAST INDIANA...AND NORTHERN KENTUCKY UNTIL 1000 PM EDT.

AT 635 PM EDT...A 40 MILE WIDE BAND OF THUNDERSTORMS STRETCHED FROM
30 MILES EAST OF CINCINNATI TO NEAR TERRA HAUTE INDIANA.

THE STRONGEST THUNDERSTORM IN THAT BAND...WHICH WAS POSIBLY SEVERE...
WAS OVER SOUTHERN MONTGOMERY COUNTY OHIO JUST SOUTH OF DAYTON.

THUNDERSTORMS PRODUCING VERY HEAVY RAIN...WIND GUSTS UP TO 50 MILES
AN HOUR...AND POSSIBLY PEA-SIZED HAIL...WERE OVER CLINTON AND
HIGHLAND COUNTIES IN OHIO ABOUT 55 MILES EAST OF CINCINNATI...
AND OVER NORTHERN RIPLEY AND SOUTHERN FRANKLIN COUNTIES IN INDIANA
ABOUT 30 MILES WEST OF CINCINNATI.

THE THUNDERSTORMS CONTINUED TO MOVE NORTHEAST AT 30 MILES
AN HOUR.

AT 630 PM EDT...THE THUNDERSTORMS WERE CONFINED TO AREAS NORTH
OF THE OHIO RIVER. HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING
OVER WESTERN KENTUCKY AND SOUTHERN INDIANA AND ARE EXPECTED TO
MOVE TOWARD THE TRISTATE LATER THIS EVENING.

PEOPLE ACROSS THE TRISTATE SHOULD REMAIN ALERT TO THE POS6SIBILITY
OF SEVERE WEATHER. KEEP TUNED TO LOCAL RADIO AND TELEVISION
BROADCASTS....OR NOAA WEATHER RADIO...FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

PYTLAK
Special weather statement, Jul 16, 6:50 PM EDT, 4 hours before
INZ013-OHZ008-KYZ005-170000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION
NATIONAL WEATHER SERVICE CINCINNATI OH
649 PM EDT THU JUL 16 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHWEST OHIO...
SOUTHEAST INDIANA...AND NORTHERN KENTUCKY UNTIL 1000 PM EDT.

AT 635 PM EDT...A 40 MILE WIDE BAND OF THUNDERSTORMS STRETCHED FROM
30 MILES EAST OF COLUMBUS OHIO TO NEAR TERRA HAUTE INDIANA.

THE STRONGEST THUNDERSTORM IN THAT BAND...WHICH WAS POSSIBLY SEVERE...
WAS OVER SOUTHERN MONTGOMERY COUNTY OHIO JUST SOUTH OF DAYTON.

THUNDERSTORMS PRODUCING VERY HEAVY RAIN...WIND GUSTS UP TO 50 MILES
AN HOUR...AND POSSIBLY PEA-SIZED HAIL...WERE OVER CLINTON AND
HIGHLAND COUNTIES IN OHIO ABOUT 55 MILES EAST OF CINCINNATI...
AND OVER NORTHERN RIPLEY AND SOUTHERN FRANKLIN COUNTIES IN INDIANA
ABOUT 30 MILES WEST OF CINCINNATI.

THE THUNDERSTORMS CONTINUED TO MOVE NORTHEAST AT 30 MILES
AN HOUR.

AT 630 PM EDT...THE THUNDERSTORMS WERE CONFINED TO AREAS NORTH
OF THE OHIO RIVER. HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING
OVER WESTERN KENTUCKY AND SOUTHERN INDIANA AND ARE EXPECTED TO
MOVE TOWARD THE TRISTATE LATER THIS EVENING.

PEOPLE ACROSS THE TRISTATE SHOULD REMAIN ALERT TO THE POSSIBILITY
OF SEVERE WEATHER. KEEP TUNED TO LOCAL RADIO AND TELEVISION
BROADCASTS....OR NOAA WEATHER RADIO...FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

PYTLAK
CORRECTION FOR BAND LOCATION IN 2ND PARAGRAPH AND TYPO IN 3RD PARA@GRAPH
Special weather statement, Jul 16, 7:52 PM EDT, 2 hours 58 minutes before
INZ013-OHZ008-KYZ005-170100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
751 PM EDT THU JUL 16 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHWEST OHIO...
SOUTHEAST INDIANA...AND NORTHERN KENTUCKY UNTIL 1000 PM EDT.

AT 745 PM EDT...A 60 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS
WAS FROM 20 MILES NORTH OF TERRA HAUTE INDIANA TO 50 MILES EAST
OF COLUMBUS OHIO.

THE STRONGEST STORMS IN THAT BAND...WHICH WERE PRODUCING VERY HEAVY
RAIN AND POSSIBLY HAIL...WERE JUST NORTH OF BLOOMINGTON INDIANA
ABOUT 100 MILES WEST OF CINCINNATI...ABOUT 70 MILES EAST OF CINCINNATI
IN EASTERN HIGHLAND COUNTY...AND OVER FAIRFILED COUNTY OHIO ABOUT
25 MILES SOUTHEAST OF COLUMBUS.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN
HOUR AND DECREASED IN INTENSITY BETWEEN 630 AND 730 PM EDT.

RADAR ALSO INDICATED A NEWLY DEVELOPED AREA OF SHOWERS AND THUNDERSTORMS
OVER SOUTHERN KENTUCKY BETWEEN BOWLING GREEN AND MOUNT VERNON ABOUT 130
MILES SOUTHWEST OF CINCINNATI.  MOVEMENT OF THIS AREA WAS YET TO BE
DETERMINED.

SHOWERS AND THUNDERSTORMS HAVE DIMINISHED FOR THE TIME BEING IN THE
IMMEDIATE CINCINNATI TRISTATE. HOWEVER...MORE THUNDERSTORMS OVER
SOUTHERN INDIANA AND WESTERN KENTUCKY WILL HEAD TOWARD THE TRISTATE
LATER THIS EVENING...AND SOME OF THOSE MAY BECOME SEVERE.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION CONCERNING
THESE THUNDERSTORMS.

PYTLAK
Special weather statement, Jul 16, 9:03 PM EDT, 1 hour 47 minutes before
INZ013-OHZ008-KYZ005-170200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
901 PM EDT THU JUL 16 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WATCH FOR ALL OF
SOUTHWEST OHIO.  THIS WATCH IS IN EFFECT UNTIL 800 AM EDT ON FRIDAY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF SOUTHWEST
OHIO...SOUTHEAST INDIANA...AND NORTHERN KENTUCKY UNTIL 1000 PM EDT.

THUNDERSTORMS WERE REINTENSIFYING OVER CENTRAL INDIANA AT 850 PM EDT.
CLUSTERS OF THUNDERSTORMS...SOME POSSIBLY SEVERE...WERE IN AN AREA
60 MILES WIDE FROM INDIANAPOLIS TO RICHMOND.

OTHER SHOWERS AND THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN...WERE
WITHIN A 50 MILE RADIUS OF COLUMBUS AND ALSO IN A BAND 70 MILES WIDE
FROM OWENSBORO KENTUCKY TO 40 MILES SOUTHEAST OF LEXINGTON.

THE SHOWERS AND THUNDERSTORMS OVER INDIANA AND OHIO WERE MOVING EAST
AT 30 MILES AN HOUR...WHILE THE THUNDERSTORMS OVER KENTUCKY WERE
MOVING NORTHEAST AT 30 MILES AN HOUR.

THESE TWO AREAS ARE EXPECTED TO CONVERGE SOMEWHERE NEAR THE CINCINNATI
TRISTATE LATER THIS EVENING.  THIS WILL INCREASE THE POTENTIAL FOR
FLASH FLOODING...AND ALSO FOR SEVERE WEATHER.

ONLY ONE INCH OF RAIN IN AN HOUR WILL BE ENOUGH TO CAUSE FLOODING
TONIGHT ACROSS THE CINCINNATI TRISTATE. IF YOU LIVE NEAR A FLOOD PRONE
AREA...BE ALERT TO RAPID RISES IN WATER LEVELS. REMEMBER...IT IS
DANGEROUS TO DRIVE INTO A FLOODED ROAD.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION CONCERNING
THIS RAPIDLY CHANGING SITUATION.

PYTLAK
Special weather statement, Jul 16, 10:00 PM EDT, 50 minutes before
INZ013-OHZ008-KYZ005-170300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1000 PM EDT THU JUL 16 1992

A FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHWEST OHIO UNTIL 800 AM
EDT ON FRIDAY.

THE SEVERE THUNDERSTORM WATCH FOR THE ENTIRE CINCINNATI TRISTATE
HAS EXPIRED.

AT 1000 PM EDT...WEATHER SERVICE RADAR DETECTED TWO AREAS OF SHOWERS
AND THUNDERSTORMS...SOME OF WHICH WERE PRODUCING VERY HEAVY RAIN.
ONE AREA WAS 80 MILES WIDE AND EXTENDED FROM LAFAYETTE INDIANA TO 35
MILES NORTHWEST OF CINCINNATI NEAR BROOKVILLE INDIANA.  THE OTHER
AREA WAS 50 MILES WIDE AND EXTENDED FROM 40 MILES WEST OF LOUISVILLE
TO NEAR LEXINGTON KENTUCKY.

THE AREA OVER INDIANA WAS MOVING EAST AT 25 MILES AN HOUR...WHILE THE
AREA OVER KENTUCKY WAS MOVING NORTHEAST AT 35 MILES AN HOUR.

THESE TWO AREAS WERE PROJECTED TO MERGE SOMEWHERE NEAR THE
CINCINNATI TRISTATE AFTER 1100 PM EDT. EVEN THOUGH THE THREAT OF
SEVERE WEATHER HAS DIMINISHED...THESE TWO MERGING AREAS WILL
PRODUCE TORRENTIAL RAINFALL OVER ALREADY SATURATED GROUND.

PEOPLE IN THE CINCINNATI TRISTATE...PARTICULARLY IN SOUTHWEST OHIO...
SHOULD BE READY FOR QUICK ACTION IF FLOODING IS OBSERVED OR A
WARNING IS ISSUED.

MOST FLOOD DEATHS OCCUR AT NIGHT AND IN AUTOMOBILES. WHILE A CAR
MAY FEEL VERY HEAVY AND SAFE...IT CAN BE WASHED AWAY IN ONLY A FOOT
OF RUSHING WATER.  IT IS VERY DANGEROUS TO DRIVE INTO A FLOODED
ROADWAY.

THE NATIONAL WEATHER SERVICE WILL CONTINUE TO pISSUE ADDITIONAL
STATEMENTS THROUGHOUT THE NIGHT. STAY TUNED TO NOAA WEATHER RADIO
TO GET THE LATEST WEATHER INFORMATION.

PYTLAK
Special weather statement, Jul 16, 10:43 PM EDT, 7 minutes before
INZ013-OHZ008-KYZ005-170400-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
1042 PM EDT THU JUL 16 1992

A FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHWEST OHIO UNTIL 800 AM
EDT ON FRIDAY.

AT 1040 PM EDT...WEATHER SERVICE RADAR DETECTED TWO AREAS OF SHOWERS
AND THUNDERSTORMS. ONE AREA WAS 110 MILES WIDE AND EXTENDED FROM 125
MILES NORTH OF CINCINNATI TO NEAR BEDFORD INDIANA ABOUT 100 MILES
WEST OF CINCINNATI. THESE SHOWERS AND STORMS WERE MOVING EAST AT
20 MILES AN HOUR.

THE OTHER AREA WAS 80 MILES WIDE AND EXTENDED FROM 25 MILES WEST
OF LOUISVILLE KENTUCKY TO 15 MILES EAST OF LEXINGTON KENTUCKY.
THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES
AN HOUR.

AT PRESENT SPEED AND DIRECTION...THESE TWO AREAS OF THUNDERSTORMS
WILL CONVERGE OVER THE SOUTHWEST QUARTER OF OHIO AFTER MIDNIGHT.
AS THEY DO...THE THREAT OF VERY HEAVY RAINS WILL INCREASE.

ONLY ONE INCH OF RAIN IN AN HOUR WILL BE NEEDED TO CAUSE FLOODING
OVER THE TRISTATE TONIGHT.  PEOPLE IN THE CINCINNATI TRISTATE...
PARTICULARLY IN SOUTHWEST OHIO...SHOULD BE ON THE ALERT FOR THE
POSSIBILITY OF FLOODING.

PYTLAK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:51 PM EDTFlash Flood WarningILNChampaign3 hr
Jul 16, 10:19 PM EDTFlash Flood WarningILNDarke, Shelby4 hr
Jul 17, 1:05 AM EDTFlash Flood WarningILNCrawford3 hr
Jul 17, 1:05 AM EDTFlash Flood WarningILNAshland, Knox, Morrow, Richland3 hr
Jul 17, 7:33 AM EDTFlash Flood WarningILNMontgomery3 hr
Jul 17, 7:58 AM EDTFlash Flood WarningILNButler2 hr

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.