Alert archive / Kentucky / Flash Flood Warnings in 1997

Flash Flood Warning 4, NWS Wilmington, OH

March 1, 1997Owen County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Mar 1, 1997, 8:10 AM EST for Owen County, Kentucky. It was in force for 3 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
Mar 1, 1997, 8:10 AM EST (13:10 UTC)
Expired
Mar 1, 1997, 11:10 AM EST
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Owen County, KY

The radar

The Louisville radar (KLVX), 115 km from the middle of the area, began a volume at 13:10 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, 1.2 hours before the alert went out and 135 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 1997-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 1997-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.1939587897Sfc1 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
514 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
353 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 011311
FFWILN
KYC081-187-191-201-011610-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
810 AM EST SAT MAR 1 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL 1110 AM
EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH KENTUCKY

   ...GRANT COUNTY
   ...OWEN COUNTY
   ...PENDLETON COUNTY
   ...ROBERTSON COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT OVER THREE INCHES
OF RAIN HAD FALLEN ACROSS THESE AREAS OVERNIGHT.  NUMEROUS SHOWERS AND
THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS NORTHERN KENTUCKY THROUGH
THE MORNING HOURS.  SERIOUS FLOODING MAY OCCUR AS THE MORNING
PROGRESSES.
 
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 Mar 1, 2:55 AM EST, 5 hours 15 minutes earlier.

Area forecast discussion, Mar 1, 2:55 AM EST, 5 hours 15 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
255 AM EST SAT MAR 1 1997

SHWRS AND TSTMS SLIDING ENE ALG WRMFNT WHICH XTNDS ACRS SRN IND AND THEN
ALG OHIO RIVER FM ARND CVG TO HTS ON LTST SFC ANLYS. CONVECTION TO W
AND S CONTS TO WKN AS IT MOVS INTO MORE STABLE AIR WITH NET RESULT
BEING BROAD AREA OF MDT RAIN ACRS SRN 2/3 FA WITH AN OCNL RUMBLE OF
THUNDER. THUNDER A LTL MORE PREVALANT TO S OF FNT ACRS NRN KY AND FAR
SRN OH WHR 1HR PCPN TOTALS ARE 2 TO 3 TENTHS WITH 3 HR TOTALS CLOSE TO
3/4 INCH BUT NO FLOODING PRBLMS NOTED ATTM.

A FEW TSTMS CONTG TO FIRE TO SW BUT ACTVTY APPEARS TO BE DCRSG. AT ANY
RATE...SHUD CONT TO SEE REMNANTS OF THIS TRACK E ACRS FA THRU MID MRNG
HRS WITH PCPN MAKING SLOW NWRD PROGRESSION AS WRMFNT PUSHES N. MOST OF
FA SHUD BE WRM SECTORED BY AFTN WHICH SHUD ALLOW FOR SOME BRKS IN PCPN
WITH JUST SCT SHWRS PSBL MUCH OF AFTN. PCPN WL PICK BACK UP THRU LATE
AFTN INTO TNGT THO AS CDFNT SLIDES SLOWLY SE. ETA APPEARS A BIT FAST
WITH MOVMT OF FNT/MSTR FIELDS AND WL SIDE WITH SLOWER NGM/AVN. WITH FA
IN RRQ OF 160 KT H3 JET...THIS SETS UP GOOD LLVL CONV/UPR LVL DIVG
COUPLET SW TO NE ACRS CNTRL FA FM CVG TO ARND CMH THIS EVNG INTO
TNGT...SHIFTING SE LATE. PWS RISE TO 1.2 TO 1.6 RANGE BY THIS EVNG SO
WL LIKELY SEE AREAS OF HVY RAIN WITH HVYST PCPN ACRS SE 2/3 FA. GIVEN
CRNT PCPN...GRND WL BE FAIRLY SATURATED AND WL LIKELY NEED FFA ACRS
THIS AREA TNGT. PCPN WONT BE QUITE AS HVY ACRS NW PORTIONS FA BUT WITH
CRNT FLOOD SIT THERE...ANY SIG RAIN WL CAUSE PRBLMS THERE TOO. THUS FFA
LIKELY NEEDED FOR LIMA AREA TNGT ALSO.

SOME 8H MSTR CONV HANGS ON ACRS SE FA INTO SUN AFTN AS FNT SHIFTS
SLOWLY SE OF FA SO MAY SEE SOME SHWRS CONT INTO AFTN SERN 1/3 FA ON
SUN. OTHRWS PCPN SHUD TAPER OFF NW TO SE THRU MRNG HRS.

GOOD WRMG TDA WITH HI TMPS ARND RECORDS BUT TMPS FALLING OFF TNGT WITH
LITTLE IF ANY RECOVERY ON SUN BEHIND FNT.

CVG 71/50/50 6+5
CMH 69/51/51 7+6
DAY 69/47/47 5+4

LOTT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 7:46 AM ESTFlash Flood WarningILNBracken, Mason3 hr
Mar 1, 8:10 AM ESTFlash Flood WarningILNGrant, Pendleton3 hr
Mar 1, 8:10 AM ESTFlash Flood WarningILNRobertson3 hr
Mar 1, 10:53 AM ESTFlash Flood WarningILNBracken, Mason5 hr
Mar 1, 11:11 AM ESTFlash Flood WarningILNPendleton5 hr
Mar 1, 11:11 AM ESTFlash Flood WarningILNGrant, Owen5 hr
Mar 1, 11:11 AM ESTFlash Flood WarningILNRobertson5 hr
Mar 1, 1:43 PM ESTFlash Flood WarningILNLewis2 hr
Mar 1, 1:43 PM ESTFlash Flood WarningILNCarroll, Gallatin2 hr
Mar 1, 3:59 PM ESTFlash Flood WarningILNRobertson4 hr
Mar 1, 3:59 PM ESTFlash Flood WarningILNCarroll, Gallatin, Grant, Owen4 hr
Mar 1, 4:05 PM ESTFlash Flood WarningILNBracken, Mason, Pendleton4 hr
Mar 1, 4:05 PM ESTFlash Flood WarningILNLewis4 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.