Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 4, NWS Wilmington, OH

July 16, 1992Clark County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 16, 1992, 5:24 PM EDT for Clark County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 16, 1992, 5:24 PM EDT (21:24 UTC)
Expired
Jul 16, 1992, 8:30 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Clark County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 9.4 hours before the alert went out and 36 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 1992-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1992-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
122 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 KDAY 162129 COR
FFWDAY
OHC023-170030-

FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE DAYTON OH
528 PM EDT THU JUL 16 1992

THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......

IN WEST CENTRAL OHIO

   ...CLARK COUNTY

SMALL STREAM AND URBAN FLOODING IS LIKELY THIS EVENING IN THE EASTERN
HALF OF CLARK COUNTY OHIO INCLUDING THE CITY OF SPRINGFIELD.

AT 515 PM...NEARLY AN INCH OF RAIN HAD FELL IN SPRINGFIELD AND EASTERN
PARTS OF CLARK COUNTY OHIO.  MOST SMALL STREAMS WERE ALREADY AT
BANKFULL AND THE ADDITIONAL RAIN WILL CAUSE THEM TO CAUSE MINOR
FLOODING.

PEOPLE LIVING NEAR SMALL STREAMS SHOULD BE ON THE LOOKOUT FOR RISING
WATER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF FLOODING OCCURS.

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 RISINrG WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

LINDSEY
$$
CORRECT FOR TIME OF RAINFALL REPORT

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, 3:30 PM EDT, 1 hour 54 minutes before
INZ013-OHZ008-KYZ005-162045-

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

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF THE CINCINNATI
TRISTATE AREA... AND WILL BE IN EFFECT UNTIL 1000 PM EDT.

AT 325 PM... SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY
HEAVY RAIN... WERE OVER PARTS OF SOUTHEAST INDIANA AND SOUTHWEST OHIO.
THIS ACTIVITY WAS LOCATED JUST NORTH OF THE OHIO RIVER BETWEEN
CINCINNATI AND LOUISVILLE... AND JUST WEST OF INTERSTATE 75 BETWEEN
DAYTON AND LIMA.

THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR... AND ARE EXPECTED
TO MOVE INTO THE CINCINNATI AREA DURING THE AFTERNOON RUSH HOUR.

NO SEVERE WEATHER HAS YET BEEN REPORTED TO THE NATIONAL WEATHER SERVICE.
HOWEVER... THESE STORMS HAVE THE POTENTIAL TO PRODUCE WIND GUSTS IN
EXCESS OF 58 MILES AN HOUR... AND HAIL IN EXCESS OF THREE-QUARTERS OF
AN INCH IN DIAMETER.

PEOPLE IN THE CINCINNATI TRISTATE AREA SHOULD BE ALERT TO THE
POSSIBILITY OF SEVERE WEATHER... AND SEEK STRONG SHELTER IMMEDIATELY
IF THREATENING WEATHER APPROACHES.

STAY TUNED TO NOAA WEATHER RADIO OR THE COMMERCIAL MEDIA FOR LATER
STATEMENTS AND POSSIBLE WARNINGS ON THESE THUNDERSTORMS.

MSL
Special weather statement, Jul 16, 3:59 PM EDT, 1 hour 25 minutes before
OHZ006-007-009-011-162100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS OH
358 PM EDT THU JUL 16 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR ALL OF
CENTRAL OHIO.

AT 355 PM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF STRONG TO
POSSIBLY SEVERE THUNDERSTORMS OVER WESTERN OHIO FROM NEAR LIMA TO NEAR
DAYTON TO NEAR CINCINNATI.  THE STORMS WERE MOVING EAST AT 30 MILES
AN HOUR.

THIS LINE OF STORMS WILL MOVE INTO MADISON COUNTY BETWEEN 4 AND 430
PM...AND INTO UNION COUNTY BETWEEN 415 AND 445 PM.

THESE STORMS HAVE A HISTORY OF PRODUCING WINDS OF 50 MILES AN HOUR OR
GREATER.  PEOPLE IN THEIR PATH SHOULD BE PREPARED TO MOVE TO A SAFE
PLACE IF SEpVERE WEATHER IS SIGHTED OR A WARNING IS ISSUED.

LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

GERARD
Special weather statement, Jul 16, 4:40 PM EDT, 44 minutes before
INZ013-OHZ008-KYZ005-162140-

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

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

AT 435 PM... SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY
HEAVY RAIN... WERE OVER PARTS OF SOUTHEAST INDIANA AND SOUTHWEST OHIO.
THIS ACTIVITY WAS LOCATED FROM 45 MILES SOUTH OF INDIANAPOLIS NEAR
BLOOMINGTON EAST INTO THE WESTERN SUBURBS OF CINCINNATI... AND FROM
CINCINNATI NORTH ALONG INTERSTATE 75 TO NEAR LIMA.

THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR... AND WILL
CONTINUE TO AFFECT THE CINCINNATI AREA INTO THE EARLY EVENING HOURS.

NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE
AS OF 435 PM. HOWEVER... THESE STORMS HAVE THE POTENTIAL TO PRODUCE
WIND GUSTS IN EXCESS OF 58 MILES AN HOUR... AND HAIL IN EXCESS OF
THREE-QUARTERS OF AN INCH IN DIAMETER. FREQUENT LIGHTNING STRIKES AND
TORRENTIAL DOWNPOURS WILL ACCOMPANY THESE STORMS AS WELL.

PEOPLE IN THE CINCINNATI TRISTATE AREA SHOULD REMAIN ALERT TO THE
POSSIBILITY OF SEVERE WEATHER... AND SEEK STRONG SHELTER IMMEDIATELY
IF THREATENING WEATHER APPROACHES.

STAY TUNED TO NOAA WEATHER RADIO OR THE COMMERCIAL MEDIA FOR LATER
STATEMENTS AND POSSIBLE WARNINGS ON THESE THUNDERSTORMS.

MSL
Special weather statement, Jul 16, 5:01 PM EDT, 23 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 6:16 AM EDTFlash Flood WarningILNButler104 min
Jul 16, 2:41 PM EDTSevere Thunderstorm WarningILNDarke49 min
Jul 16, 3:14 PM EDTSevere Thunderstorm WarningILNMiami61 min
Jul 16, 3:44 PM EDTSevere Thunderstorm WarningILNChampaign, Clark61 min
Jul 16, 4:06 PM EDTSevere Thunderstorm WarningILNLogan69 min
Jul 16, 5:23 PM EDTSevere Thunderstorm WarningILNCrawford67 min
Jul 16, 6:00 PM EDTFlash Flood WarningILNGreene, Montgomery3 hr
Jul 16, 6:10 PM EDTSevere Thunderstorm WarningILNMontgomery50 min
Jul 16, 6:15 PM EDTSevere Thunderstorm WarningILNKnox, Richland60 min
Jul 16, 6:29 PM EDTSevere Thunderstorm WarningILNAshland61 min
Jul 16, 6:29 PM EDTSevere Thunderstorm WarningILNCrawford46 min
Jul 16, 7:52 PM EDTSevere Thunderstorm WarningILNKnox, Morrow53 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.