Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 41, NWS Wilmington, OH

May 31, 1997Mason County, Kentucky; Adams County, Brown County, Highland County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 31, 1997, 9:38 PM EDT for Mason County, Kentucky; Adams County, Brown County, Highland County, Ohio. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 31, 1997, 9:38 PM EDT (01:38 UTC)
Expired
Jun 1, 1997, 12:00 AM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Mason County, KY, Adams County, OH, Brown County, OH, Highland County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.6 hours before the alert went out and 61 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, Cncnati-Daytn, OH at 00:00Z on 1997-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 1997-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.19395878Sfc1 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
6 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
106 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 KILN 010137
FFWILN
KYC161-OHC001-015-071-010400-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
938 PM EDT SAT MAY 31 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL
1200 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL OHIO

   ...ADAMS COUNTY
   ...BROWN COUNTY
   ...HIGHLAND COUNTY

IN NORTHEASTERN KENTUCKY

   ...MASON COUNTY
 
AT 937 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED HEAVY
RAINFALL CONTINUING TO MOVE ACROSS PARTS OF NORTHERN KENTUCKY AND
SOUTHERN OHIO.  RADAR ESTIMATES THAT UP TO 2.5 INCHES OF RAIN HAS
FALLEN ACROSS THESE AREAS SINCE FRIDAY NIGHT.  HEAVY RAIN WILL
CONTINUE TO MOVE ACROSS THESE AREAS THROUGH THE OVERNIGHT HOURS.

REPORTS FROM THESE COUNTIES INDICATE THAT WATER WAS RISING OVER
ROADS IN SPOTS AND THAT SOME ROADS MAY SOON BE CLOSED.  SOME CREEKS
WERE ALSO REPORTED TO BE RISING OUT OF THEIR BANKS.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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.

WILKINSON

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.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at May 31, 8:49 PM EDT, 49 minutes earlier.

Area forecast discussion, May 31, 8:49 PM EDT, 49 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
849 PM EDT SAT MAY 31 1997

00Z SFC ANALYSIS INDICATED LOW PRES NR THE SMOKEY MOUNTAINS WITH
TROF/FNT MOVG SLOWLY EWD ACROSS FA.  WINDS AT CVG-ILN-CMH HAVE ALL
GONE NE IN THE LAST FEW HOURS.  KILN 88D SHOWS AREA OF +RA WITH
ISOLD TSRA OVR SERN FA AND -RA FURTHER N AND W.  FEELING HERE IS
THAT NEXT BATCH OF HEAVIER PRECIP LATER TONIGHT WL BEGIN TO CAUSE
MORE WIDESPREAD PROBLEMS. CONT FFA IN OH.

MODELS SHOW MOISTURE MOVG SLOWLY EWD TONIGHT AND THEN PROG FEATURES
TO PIVOT BACK W ACROSS SAME AREAS THAT RECEIVED SIGNIFICANT PRECIP
TODAY.  CONCERNED TOMORROW ABOUT MORE CONVECTION AS MODELS SHOW SOME
DRYING IN THE MID LEVELS.

WILKINSON

In the hours before

Local storm report, May 31, 7:58 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
800 PM EDT SAT MAY 31 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0740 PM    WILLIAMSBURG              IN   FLOODING
05/31/97   WAYNE                          3 ROADS CLOSED AROUND THE
                                          TOWN OF WILLIAMSBURG
                                          BECAUSE OF GREENS FORK
                                          CREEK OVER FLOWING.

0748 PM                              OH   FLOODING
05/31/97   DARKE                          SEVERAL ROADS CLOSED DUE TO
                                          HIGH WATER. US ROUTE 36
                                          CLOSED DUE TO WATER ACROSS
                                          THE ROAD.

RANDALL
Local storm report, May 31, 8:00 PM EDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
800 PM EDT SAT MAY 31 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0740 PM    WILLIAMSBURG              IN   FLOODING
05/31/97   WAYNE                          3 ROADS CLOSED AROUND THE
                                          TOWN OF WILLIAMSBURG
                                          BECAUSE OF GREENS FORK
                                          CREEK OVER FLOWING.

0748 PM                              OH   FLOODING
05/31/97   DARKE                          SEVERAL ROADS CLOSED DUE TO
                                          HIGH WATER. US ROUTE 36
                                          CLOSED DUE TO WATER ACROSS
                                          THE ROAD.

RANDALL

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 11:55 PM EDTFlash Flood WarningILNMason4 hr
Jun 1, 12:37 AM EDTFlash Flood WarningILNCampbell3 hr
Jun 1, 12:37 AM EDTFlash Flood WarningILNCampbell3 hr
Jun 1, 4:06 AM EDTFlash Flood WarningILNBoone4 hr
Jun 1, 10:23 AM EDTFlash Flood WarningILNGallatin, Owen3 hr
Jun 1, 1:08 AM EDTFlash Flood WarningILNClermont3 hr
Jun 1, 4:06 AM EDTFlash Flood WarningILNButler, Clermont, Hamilton, Warren4 hr
Jun 1, 8:08 AM EDTFlash Flood WarningILNButler, Warren3 hr
Jun 1, 11:39 AM EDTFlash Flood WarningILNPutnam3 hr
Jun 1, 11:39 AM EDTFlash Flood WarningILNAuglaize, Mercer3 hr
Jun 1, 6:04 PM EDTFlash Flood WarningILNClark116 min
Jun 1, 6:27 PM EDTFlash Flood WarningILNChampaign3 hr
Jun 1, 7:55 PM EDTFlash Flood WarningILNFranklin, Union3 hr

Nearby

Flash Flood Warnings in Ohio, 1997Flash Flood Warnings in Kentucky, 1997Every flash flood warning in 1997

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.