Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 40, NWS Wilmington, OH

May 31, 1997Darke County, Ohio; Wayne County, Indiana

NWS Wilmington, OH issued this flash flood warning at May 31, 1997, 7:44 PM EDT for Darke County, Ohio; Wayne County, Indiana. It was in force for 4 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, 7:44 PM EDT (23:44 UTC)
Expired
Jun 1, 1997, 12:00 AM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Wayne County, IN, Darke County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.7 hours before the alert went out and 107 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 12:00Z on 1997-05-31Temperature 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, Cncnati-Daytn, OH at 12:00Z on 1997-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
390 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 312344
FFWILN
INC177-OHC037-010400-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
744 PM EDT (644 PM EST) 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 (1100 PM EST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WEST CENTRAL OHIO

   ...DARKE COUNTY

IN EAST CENTRAL INDIANA

   ...WAYNE COUNTY
 
AT 743 PM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE
LIGHT TO MODERATE RAIN MOVING INTO EASTERN INDIANA AND WESTERN
OHIO.  TWO TO 3 INCHES OF RAIN HAS FALLEN SINCE LAST NIGHT CAUSING
AREA CREEKS AND STREAMS TO APPROACH AND EVEN OVERFLOW THEIR BANKS.
A FEW ROADS WERE REPORTED TO BE CLOSED AND MANY ROADS HAD HIGH
WATER ACROSS THEM.

LIGHT TO MODERATE RAINFALL WILL CONTINUE THROUGH MUCH OF THE
OVERNIGHT HOURS AND FLOODING IS EXPECTED TO CONTINUE.
 
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, 3:12 PM EDT, 4 hours 32 minutes earlier.

Area forecast discussion, May 31, 3:12 PM EDT, 4 hours 32 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
300 PM EDT SAT MAY 31 1997

RADAR SHOWING LG AREA OF -R AND SOME EMBD R/RW THROUGH MOST OF CWA WITH
EXCEPTION OF EXTRM NW COUNTIES. SDF RADAR SHOWS LG AREA OF PRECIP THRU
CNTRL KY AND NRN TN. 850 LO IS A SLOW MOVER THRU 48 HRS WITH NGM AND
ETA PLACING LO IN TN AT 48 HRS. TROF RMNS THRU OH VLY THRU 48 HRS.
WITH ENUF MOISTURE AVAIL...LKS TO BE A WET PERIOD. FOCUS OF HEAVIEST
PRECIP SHOULD BE THRU CNTRL AND SRN OH AND NRN KY.

WLD CONT FLD WATCH TNGT WITH CAT POPS TNGT AND SUN. THINK FWC POPS
AND TEMPS FAIRLY CLOSE.

CVG 61/67 59/75 09++8
DAY 57/63 58/73 09+97
CMH 59/67 60/74 09++6

PARKER

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 4:03 PM EDTFlash Flood WarningILNDarke4 hr

Nearby

Flash Flood Warnings in Ohio, 1997Flash Flood Warnings in Indiana, 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.