Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 100, NWS Wilmington, OH

July 14, 1997Warren County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 14, 1997, 3:24 PM EDT for Warren 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
Jul 14, 1997, 3:24 PM EDT (19:24 UTC)
Expired
Jul 14, 1997, 5:30 PM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Warren County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.4 hours before the alert went out and 32 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 1997-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 184 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
184 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
25 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 141924
FFWILN
OHC165-142130-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
324 PM EDT MON JUL 14 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL 530
PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN OHIO

   ...WARREN COUNTY
 
AT 320 PM EDT...DOPPLER RADAR WAS ESTIMATING OVER 4 INCHES OF RAIN
FALLING IN SOUTHWEST WARREN COUNTY. THIS WAS VERIFIED BY A SPOTTER
IN THE MASON AREA WHO HAD 4.7 INCHES OF RAIN. THIS WILL CAUSE
CREEKS AND STREAMS TO RISE TO BANKFULL.
 
IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.  MOVE TO ESCAPE FLOOD
WATERS.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING.

FARINA

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 Jul 14, 2:48 PM EDT, 36 minutes earlier.

Area forecast discussion, Jul 14, 2:48 PM EDT, 36 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
248 PM EDT MON JUL 14 1997

TRW POPPING THIS AFT ACRS TRI-ST AREA...SLOW-MVRS...BUT NO HAIL OR WIND
AS OF YET. WBZ PRETTY HI AT 13KFT THIS AM AND UPR LVL WNDS CONT TO BE
PRETTY LIGHT. UPR LVL WNDS FROM THE EAST HWVR...ARE PROVIDING A LTL UPR
DVRG AND THIS CUD BE HELPING TRW TO DVLP. FEW TOPS TO 45KFT.

SHUD SEE ACTIVITY DIE AFT SUNSET AS MAINLY DIURNALLY DRIVEN. WILL PROB
HAVE TO WAIT TIL TUES FOR MORE TRW. CUD BE SOONER FOR NW OHIO CLOSER TO
CRNT ACTIVITY AND FNT.

THINKING PARTLY CLOUDY OVRNITE W/ WRM TEMPS ARND 70 MOST AREAS.ISOLD
TRW CUD POP UP OR ADVT IN BUT THINKING VERY LO POPS IF ANY.

FOR TUES...AM TRW POSS IN NW OHIO W/ POPS DROPPING TO NR ZERO BY
AFTERNOON THERE. FOR REST OF THE REGION...THINKING 40 POPS JUST ABT
EVERYWHERE AS FNT MVS INTO LIMA AREA BY MIDDAY AND PROB LEADING TROF
MVNG THRU REST OF REGION. PARTLY CLOUDY...TEMPS SHUD CONT TO BE WRM AND
CUD BE CLOSE TO 90 ONCE AGAIN. HUMID.

FNT WILL BE SLOW MVNG AND SHUD BE MVNG OUT OF OUR REGION ARND MIDNITE
TO EARLY AM WED. CONT OF HOT BHND FNT. GUID TEMPS LOOK PRETTY HI FOR
WED AFT FNTL PASSAGE.

CVG 70/89/65/88 24-0
DAY 70/87/65/88 24-0
CMH 68/88/65/88 24-0

FARINA

In the hours before

Local storm report, Jul 14, 3:23 PM EDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
323 PM EDT MON JUL 14 1997

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

0315 PM    MASON                     OH   WIND DAMAGE
07/14/97   WARREN                         TREES DOWN

0320 PM    NORWOOD                   OH   .75 INCH HAIL
07/14/97   HAMILTON                       DIME SIZE HAIL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:51 PM EDTSevere Thunderstorm WarningILNWarren64 min
Jul 14, 3:14 PM EDTSevere Thunderstorm WarningILNHamilton61 min
Jul 14, 3:43 PM EDTSevere Thunderstorm WarningILNClinton62 min
Jul 14, 4:35 PM EDTSevere Thunderstorm WarningILNClermont60 min
Jul 14, 5:08 PM EDTSevere Thunderstorm WarningILNAuglaize62 min

Nearby

Flash Flood Warnings in Ohio, 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.