Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 6, NWS Wilmington, OH

July 16, 1992Champaign County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 16, 1992, 8:51 PM EDT for Champaign County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 16, 1992, 8:51 PM EDT (00:51 UTC)
Expired
Jul 17, 1992, 12:00 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Champaign County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.9 hours before the alert went out and 45 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 5:01 PM EDT, 3 hours 50 minutes before
INZ013-OHZ008-KYZ005-162200-

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

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF THE CINCINNATI
TRISTATE AREA UNTIL 1000 PM EDT.

A THUNDERSTORM PRODUCING TORRENTIAL RAIN WAS LOCATED JUST NORTHWEST OF
THE CINCINNATI-NORTHERN KENTUCKY INTERANTIONAL AIRPORT AT 455 PM EDT.
THE THUNDERSTORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL
MOVE RIGHT ACROSS THE CINCINATI METRO AREA BETWEEN 500 AND 600 PM EDT.

COMPUTER GUIDANCE THIS AFTERNOON INDICATED THAT ONLY AN INCH OF RAIN
IN AN HOUR WILL BE ENOUGH TO CAUSE FLOODING. A SKYWARN SPOTTER AT 455
PM REPORTED SEVERAL INCHES OF STANDING WATER IN A LOW SPOT ON RIVER
ROAD JUST WEST OF DOWNTOWN CINCINNATI.

MOTORISTS IN THE METRO AREA WILL HAVE TO CONTEND WITH VISIBILITIES
NEAR ZERO AND PONDING OF WATER ON ROADWAYS.  THE BEST THING TO DO IS
TO SLOW DOWN...OR PULL OVER...UNTIL THE THUNDERSTORM PASSES8.

PEOPLE ACROSS THE TRISTATE SHOULD REMAIN ON THE ALERT FOR THE
POSSIBILITY OF SEVERE WEATHER. STAY TUNED TO NOAA WEATHER RADIO
OR THE COMMERCIAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

PYTLAK
Special weather statement, Jul 16, 5:42 PM EDT, 3 hours 9 minutes before
INZ013-OHZ008-KYZ005-162230-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
541 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 535 PM EDT...A 40 MILE WIDE BAND OF THUNDERSTORMS ARCED FROM NEAR
BUCYRUS OHIO...140 MILES NORTHEAST OF CINCINNATI...TO COLUMBUS
OHIO...TO CINCINNATI...TO BLOOMINGTON INDIANA. SOME OF THE STORMS
BETWEEN BUCYRUS AND COLUMBUS WERE POSSIBLY SEVERE...WHILE THE SOME OF
THE STORMS ALONG THE REST OF THE BAND WERE PRODUCING VERY HEAVY RAIN...
WIND GUSTS TO 40 MILES AN HOUR...AND PEA-SIZED HAIL.

IN THE IMMEDIATE TRISTATE AREA...THE STRONGEST THUNDERSTORM WAS LOCATED
OVER THE CITY OF CINCINNATI.  THE STORM PRODUCED A WIND GUST OF 35
MILES AN HOUR AS IT PASSED OVER THE AIRPORT AROUND 450 PM EDT. SOME
STANDING WATER HAS ALSO BEEN REPORTED ON ROADWAYS IN THE IMMEDIATE
CINCINNATI METRO AREA.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES
AN HOUR. THERE WAS LITTLE CHANGE IN INTENSITY OR AREAL COVERAGE
BETWEEN 430 AND 530 PM EDT.

MOST OF THE THUNDERSTORMS HAD MOVED OUT OF NORTHERN KENTUCKY AS
OF 530 PM AND WERE HEADING INTO THE NORTHERN PORTIONS OF THE
CINCINNATI TRISTATE.  PEOPLE IN THE PATH OF THESE STORMS SHOULD
BE ON THE LOOKOUT FOR THE POSSIBILITY OF SEVERE WEATHER.

LISTEN TO NOAA WEATHER RADIO...THE VOICE OF THE NATIONAL WEATHER
SERVICE...FOR LATER UPDATES ON THESE POTENT THUNDERSTORMS.

PYTLAK
Special weather statement, Jul 16, 6:26 PM EDT, 2 hours 25 minutes before
INZ013-OHZ008-KYZ005-162330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
625 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 620 PM EDT...A THUNDERSTORM PRODUCING VERY HEAVY RAIN...WIND GUSTS
TO 50 MILES AN HOUR...AND POSSIBLY SMALL HAIL...WAS REPORTED IN
SOUTHEAST INDIANA OVER NORTHERN RIPLEY...NORTHERN DEARBORN...AND
SOUTHERN FRANKLIN COUNTIES. A GUST TO 50 MILES AN HOUR WAS REPORTED
NEAR BATESVILLE INDIANA BY A SKYWARN SPOTTER AT 605 PM EDT.

THE THUNDERSTORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL
CONTINUE TO MOVE ACORSS FRANKLIN COUNTY INDIANA BETWEEN 625 AND 700 PM
EDT.

OTHER STRONG THUNDERSTORMS WERE INDICATED BY WEATHER SERVICE RADAR
OVER SOUTHWEST OHIO IN NORTHERN BROWN COUNTY ABOUT 40 MILES EAST OF
CINCINNATI.  THIS STORM WILL ALSO BE CAPABLE OF PRODUCING WINDS
TO 50 MILES AN HOUR...TORRENTIAL RAIN...AND PEA-SIZED HAIL...AS
IT MOVES INTO SOUTHERN CLINTON AND NORTHERN HIGHLAND COUNTIES
AFTER 630 PM EDT.

REMEMBER THAT A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS WITH WINDS IN EXCESS OF 55 MILES AN
HOUR AND LARGE HAIL.  STAY TUNED TO NOAA WEATHER RADIO...THE VOICE OF
THE NATIONAL WEATHER SERVICE...FOR LATER UPDATES ON THESE POTENT
THUNDERSTORMS.

PYTLAK
Special weather statement, Jul 16, 6:44 PM EDT, 2 hours 7 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, 2 hours 1 minute 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, 59 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 10:19 PM EDTFlash Flood WarningILNDarke, Shelby4 hr
Jul 16, 10:50 PM EDTFlash Flood WarningILNAuglaize, Logan3 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.