Alert archive / Kentucky / Flash Flood Warnings in 1997

Flash Flood Warning 87, NWS Wilmington, OH

June 18, 1997Kenton County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Jun 18, 1997, 10:00 AM EDT for Kenton County, Kentucky. 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
Jun 18, 1997, 10:00 AM EDT (14:00 UTC)
Expired
Jun 18, 1997, 12:05 PM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Kenton County, KY

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 14:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.0 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, Cncnati-Daytn, OH at 12:00Z on 1997-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 521 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 1997-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
521 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILN 181401
FFWILN
KYC117-181605-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1000 AM EDT WED JUN 18 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL
1205 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN KENTUCKY

   ...KENTON COUNTY
 
AT 1000 AM EDT...WEATHER SERVICE RADAR INDICATED FROM 0.75 TO 1.00
INCH OF RAIN HAD FALLEN IN NORTHERN KENTON COUNTY COUNTY SINCE 900
AM EDT. ADDITIONAL HEAVY RAIN WAS MOVING INTO THE COUNTY AND IS
LIKELY TO PRODUCE AN INCH OR MORE OF ADDITIONAL RAINFALL...WHICH IS
LIKELY TO CAUSE FLOODING OF ROADS...CREEKS AND LOW LYING AREAS.
 
NEVER DRIVE INTO A FLOODED STRETCH2 OF ROAD.  THE DEPTH OF WATER MAY
BE ENOUGH TO FLOAT YOUR VEHICLE.

DIAN

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 Jun 18, 9:29 AM EDT, 31 minutes earlier.

Area forecast discussion, Jun 18, 9:29 AM EDT, 31 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
928 AM EDT WED JUN 18 1997

LTST SFC ALYS HAD LOW PRES STILL BACK OVR SRN IND WITH WRM FNT XTNDG
E ALD DAY TO ARND CMH LINE. BROAD AREA OF SHWRS/TSTMS PUSHG E ACRS SRN
FA ATTM WITH LCLLY HVY RAIN. RADAR ESTIMATES INDICTD UP TO AN INCH PER
HR IN SOME LOCATIONS. WL PRBLY LET FFW FOR RIPLEY CNTY IND EXPIRE IN
A FEW MINUTES AS HVRR RAIN HAS PUSHED E. NOT MUCH MORE THAN SOME STREET
FLOODING OUT OF RIPLEY CNTY SO FAR. LOW PRES PROGD TO TRACK E ACRS SRN FA
THRU THIS AFTN. CRNT FCST IN PRETTY GUD SHAPE WITH SHWRS AND TSTMS MOVG
ACRS AREA WITH SOME HVY DOWNPOURS PSBL.

LOTT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 9:15 AM EDTFlash Flood WarningILNBoone2 hr
Jun 18, 2:49 PM EDTFlash Flood WarningILNGrant2 hr
Jun 18, 3:25 PM EDTFlash Flood WarningILNCampbell2 hr

Nearby

Flash 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; radar from the NEXRAD Level II archive.