Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 34, NWS Wilmington, OH

August 10, 1992Hamilton County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 10, 1992, 8:55 AM EDT for Hamilton County, Ohio. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1992, 8:55 AM EDT (12:55 UTC)
Expired
Aug 10, 1992, 10:00 AM EDT
In force
65 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Hamilton County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 0.9 hours before the alert went out and 84 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 12:00Z on 1992-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3612 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 12:00Z on 1992-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
3612 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
19 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 KCVG 101258
FFWCVG
OHC061-101400-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
855 AM EDT MON AUG 10 1992
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A FLOOD
WARNING FOR SMALL STREAMS AND URBAN AREAS EFFECTIVE UNTIL 1000 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST OHIO
          ...HAMILTON
 
AT 853 AM EDT HAMILTON COMMUNICATIONS REPORTED WATER OVER FIELDS ERTEL
ROAD AND BUTLER WARREN ROAD...OR 10 MILES NORTH OF CINCINNATI.
 
AT 853 AM WEATHER RADAR SHOWED THUNDERSTORMS HAD MOVED OUT OF HAMILTON
COUNTY...HOWEVER RUNOFF FROM THE STORMS WILL LIKELY CAUSE FLOODING.
 
 
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.
JN

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 10, 4:57 AM EDT, 3 hours 58 minutes before
INZ013-OHZ008-KYZ005-091100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
456 AM EDT MON AUG 10 1992

WIDELY SCATTERED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE OVER
PORTIONS OF THE CINCINNATI TRISTATE EARLY THIS MORNING.

AT 455 AM EDT...WEATHER SERVICE RADAR WAS SHOWING SMALL BUT POTENT
THUNDERSTORMS EXTENDING IN A BAND FROM OXFORD OHIO...28 MILES NORTH
OF CINCINNATI...TO JUST SOUTHWEST OF OWENTON KENTUCKY ABOUT 35 MILES
SOUTH OF CINCINNATI.

THE THUNDERSTORMS WERE MOVING SLOWLY EAST AT ABOUT 10 MILES AN HOUR.
BECAUSE OF THE SLOW MOVEMENT...VERY LOCALIZED BUT HEAVY RAIN WILL
OCCUR FROM SOME OF THESE STORMS. FREQUENT CLOUD-TO-GROUND LIGHTNING
IS ALSO LIKELY.

THE THUNDERSTORMS WILL MOVE OUT OF THE TRISTATE BY 800 AM EDT.

PYTLAK
Special weather statement, Aug 10, 5:04 AM EDT, 3 hours 51 minutes before
INZ013-OHZ008-KYZ005-101100-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE CINCINNATI OH
503 AM EDT MON AUG 10 1992

WIDELY SCATTERED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE OVER
PORTIONS OF THE CINCINNATI TRISTATE EARLY THIS MORNING.

AT 455 AM EDT...WEATHER SERVICE RADAR WAS SHOWING SMALL BUT POTENT
THUNDERSTORMS EXTENDING IN A BAND FROM OXFORD OHIO...28 MILES NORTH
OF CINCINNATI...TO JUST SOUTHWEST OF OWENTON KENTUCKY ABOUT 35 MILES
SOUTH OF CINCINNATI.

THE THUNDERSTORMS WERE MOVING SLOWLY EAST AT ABOUT 10 MILES AN HOUR.
BECAUSE OF THE SLOW MOVEMENT...VERY LOCALIZED BUT HEAVY RAIN WILL
OCCUR FROM SOME OF THESE STORMS. FREQUENT CLOUD-TO-GROUND LIGHTNING
IS ALSO LIKELY.

THE THUNDERSTORMS WILL MOVE OUT OF THE TRISTATE BY 800 AM EDT.

PYTLAK
CORRECTED HEADER INFORMATION
Special weather statement, Aug 10, 5:36 AM EDT, 3 hours 19 minutes before
OHZ005-010-101300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
535 AM EDT MON AUG 10 1992

...THUNDERSTORMS WITH HEAVY RAIN WERE MOVING ACROSS PARTS
OF WESTERN OHIO...

AT 530 AM THUNDERSTORMS WITH HEAVY RAIN WERE FROM LIMA AND
KENTON OHIO SOUTH THRU WAPAKONETA...GREENVILLE AND INTO
NORTHERN PREBLE COUNTY.

THE THUNDERSTORM PRODUCING THE HEAVIEST RAIN WAS ALONG THE
AUGLAIZE...HARDIN COUNTY LINE MOVING EAST INTO HARDIN AND
LOGAN COUNTY. BUT ANY OF THE STORMS ARE CAPABLE OF HEAVY RAIN.

THESE THUNDERSTORMS WAS MOVING EAST AT 15 MPH AND CONTAIN DANGEROUS
LIGHTNING BRIEF HEAVY DOWNPOURS OF RAIN AND WILL BE OUT OF THE
REGION BETWEEN 8 AM AND 9 AM.
JDD
Special weather statement, Aug 10, 5:41 AM EDT, 3 hours 14 minutes before
INZ013-OHZ008-KYZ005-101200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
540 AM EDT MON AUG 10 1992

WIDELY SCATTERED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE OVER
PORTIONS OF THE CINCINNATI TRISTATE EARLY THIS MORNING.

AT 535 AM EDT...A 40 MILE WIDE BAND OF SCATTERED THUNDERSTORMS...SOME
PRODUCING VERY HEAVY RAIN...EXTENCED FROM FINDLAY OHIO TO LEXINGTON
KENTUCKY.

THE STRONGET THUNDERSTORMS IN THE BAND WERE OVER EASTERN AUGLAIZE AND
ALLEN COUNTIES IN OHIO 110 MILES NORTH OF CINCINNATI...JUST NORTH OF
THE CITY OF CINCINNATI...AND NEAR WARSAW KENTUCKY 23 MILES SOUTHWEST
OF CINCINNATI.

THE THUNDERSTORMS WERE DRIFTING EAST AT 15 MILES AN HOUR.  BECAUSE OF
THE SLOW MOVEMENT OF THESE THUNDERSTORMS...VERY LOCALIZED BUT HEAVY
RAIN WILL OCCUR.  LIGHTNING DETECTION SYSTEM ALSO DETECTED NUMEROUS
CLOUD-TO-GROUND LIGHTNING STRIKES WITH THESE THUNDERSTORMS.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS THIS MORNING...WATCH
OUT FOR PONDING OF WATER IN THOSE TYPICAL POOR DRAINAGE AREAS.

THE THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF THE TRISTATE AFTER
800 AM EDT.

PYTLAK
Special weather statement, Aug 10, 5:46 AM EDT, 3 hours 9 minutes before
INZ013-OHZ008-KYZ005-101200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED
NATIONAL WEATHER SERVICE CINCINNATI OH
545 AM EDT MON AUG 10 1992

WIDELY SCATTERED THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE OVER
PORTIONS OF THE CINCINNATI TRISTATE EARLY THIS MORNING.

AT 535 AM EDT...A 40 MILE WIDE BAND OF SCATTERED THUNDERSTORMS...SOME
PRODUCING VERY HEAVY RAIN...EXTENDED FROM FINDLAY OHIO TO LEXINGTON
KENTUCKY.

THE STRONGEST THUNDERSTORMS IN THE BAND WERE OVER EASTERN AUGLAIZE AND
ALLEN COUNTIES IN OHIO 110 MILES NORTH OF CINCINNATI...JUST NORTH OF
THE CITY OF CINCINNATI...AND NEAR WARSAW KENTUCKY 23 MILES SOUTHWEST
OF CINCINNATI.

THE THUNDERSTORMS WERE DRIFTING EAST AT 15 MILES AN HOUR.  BECAUSE OF
THE SLOW MOVEMENT OF THESE THUNDERSTORMS...VERY LOCALIZED BUT HEAVY
RAIN WILL OCCUR.  LIGHTNING DETECTION SYSTEM ALSO INDICATED NUMEROUS
CLOUD-TO-GROUND LIGHTNING STRIKES WITH THESE THUNDERSTORMS.

IF YOU ARE IN THE PAT,H OF THESE THUNDERSTORMS THIS MORNING...WATCH
OUT FOR PONDING OF WATER IN THOSE TYPICAL POOR DRAINAGE AREAS.

THE THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF THE TRISTATE AFTER
800 AM EDT.

PYTLAK
CORRECTED FOR TYPOS IN 2ND AND 3RD PARAGRAPHS
Special weather statement, Aug 10, 6:45 AM EDT, 2 hours 10 minutes before
INZ013-OHZ008-KYZ005-101200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
645 AM EDT MON AUG 10 1992

THUNDERSTORMS WITH FREQUENT LIGHTNING AND LOCALLY HEAVY DOWNPOURS WERE
RUMBLING THROUGH THE CINCINNATI TRISTATE THIS MORNING.

RADAR INDICATED A 40 MILE WIDE BAND OF SCATTERED THUNDERSTORMS...SOME
PRODUCING VERY HEAVY RAIN...EXTENDING FROM FINDLAY OHIO TO 20 MILES
SOUTH OF LEXINGTON KENTUCKY.

THE THUNDERSTORMS WERE NOT AFFECTING ALL AREAS OF THE TRISTATE...BUT
WHERE THEY WERE OCCURRING...VERY HEAVY RAIN AND NUMEROUS CLOUD-TO-
GROUND LIGHTNING STRIKES WERE ACCOMPANYING THEM.

RAINFALL BETWEEN ONE HALF INCH AND ONE INCH IS LIKELY FROM SOME OF
THESE STORMS IN A SHORT PERIOD OF TIME.  THIS WILL LIKELY CAUSE LOTS
OF STANDING WATER ON ROADWAYS FOR THE RUSH HOUR COMMUTE.  THE NUMEROUS
LIGHTNING STRIKES MAY ALSO CAUSE MOMENTARY POWER OUTAGES.

THE THUNDERSTORMS WERE MOVING EAST AT 15 MILES AN HOUR. THE STORMS WILL
DEPART THE CINCINNATI METRO AREA BY 800 AM EDT...AND WILL EXIT THE REST
OF THE TRISTATE AFTER 900 AM.  BEHIND THIS THUNDERSTORM BAND...SKIES
WILL PARTIALLY CLEAR...AND TEMPERATURES WILL RISE RAPIDLY INTO THE 80S.

PYTLAK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 7:56 AM EDTFlash Flood WarningILNHamilton64 min
Aug 10, 8:14 AM EDTFlash Flood WarningILNClermont, Clinton, Warren2 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.