Alert archive / Kentucky / Flash Flood Warnings in 1998

Flash Flood Warning 9, NWS Louisville, KY

April 16, 1998Metcalfe County, Kentucky

NWS Louisville, KY issued this flash flood warning at Apr 16, 1998, 7:08 PM CDT for Metcalfe County, Kentucky. It was in force for 112 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 16, 1998, 7:08 PM CDT (00:08 UTC)
Expired
Apr 16, 1998, 9:00 PM CDT
In force
112 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Metcalfe County, KY

The radar

The Louisville radar (KLVX), 113 km from the middle of the area, began a volume at 00:09 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 00:00Z, 0.1 hours before the alert went out and 315 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 1998-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 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 1998-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 272 square meters per square second.1939587897117Sfc1 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
186 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
272 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 170007
FFWSDF
KYC009-169-227-170200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
808 PM EDT (708 PM CDT) THU APR 16 1998

* FLASH FLOOD WARNING FOR
  BARREN COUNTY - SOUTH CENTRAL KENTUCKY
  METCALFE COUNTY - SOUTH CENTRAL KENTUCKY
  WARREN COUNTY - SOUTH CENTRAL KENTUCKY

* UNTIL 900 PM CDT (1000 PM EDT)

*

* CAUSE AND EFFECT
  RADAR AND SURFACE REPORTS INDICTATE THAT THREE TO FOUR INCHES
  OF RAIN HAS FALLEN ACROSS PORTIONS WARREN...BARREN AND METCALFE
  COUNTIES OF SOUTH CENTRAL KENTUCKY SINCE 1 PM CDT TODAY.

* FORECAST CONDITIONS
  ADDITIONAL SHOWERS AND SCATTERED THUNDERSTORMS ARE POSSIBLE
  AS A COLD FRONT SWEEPS EAST OF THE AREA.
2
IF FLOOD WATERS THREATEN YOUR AREA...BE PREPARED TO ACT QUICKLY.
SEEK SHELTER AWAY FROM LOW LYING AREAS AND SMALL STREAMS AND CREEKS.

AB/RNK

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.

In the hours before

Special weather statement, Apr 16, 2:47 PM CDT, 4 hours 21 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-170900-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
330 PM EDT  THURSDAY  APRIL 16, 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A MODERATE RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND
SOUTH-CENTRAL INDIANA LATE THIS AFTERNOON AND EVENING.

...THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION...

A COLD FRONT ACROSS WESTERN PARTS OF KENTUCKY AND INDIANA WILL SWEEP
SOUTHEASTWARD ACROSS SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY LATE
THIS AFTERNOON AND INTO THE EVENING. WARM MOIST AIR WILL BE DRAWN
NORTHWARD AHEAD OF THE FRONT. AS THE FRONT APPROACHES...NUMEROUS
THUNDERSTORMS WILL ERUPT ACROSS CENTRAL KENTUCKY AND SOUTH CENTRAL
INDIANA THROUGH THE EVENING.

SOMEWHAT UNSTABLE AIR ALONG WITH STRONG WIND SHEAR IN THE
ATMOSPHERE WILL RESULT IN THE DEVELOPMENT OF SEVERE THUNDERSTORMS.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THESE STORMS...AND
ISOLATED TORNADOES ARE POSSIBLE WITH THE STRONGEST CELLS.

THIS IS A PRELIMINARY OUTLOOK.  STAY TUNED TO NOAA WEATHER RADIO
FROM THE NATIONAL WEATHER SERVICE OR THE MEDIA FOR THE LATEST
INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION. SKYWARN
SPOTTER ACTIVATION IS EXPECTED LATER TODAY.

KOCH
Local storm report, Apr 16, 3:38 PM CDT, 3 hours 30 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

4/16/98
325 PM CDT      LEWISBURG            KY      BASEBALL SIZE HAIL
                 LOGAN                       BETWEEN LEWISBURG AND
                                             EPLEY STATION

RNK
Local storm report, Apr 16, 4:36 PM CDT, 2 hours 32 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

4/16/98        BOWLING GREEN        KY       DAMAGE TO HOUSES
5PM EDT        WARREN                        TELEPHONE POLES
(4PM CDT)                                    SHEARED OFF
                                             WINDOWS BLOWN OUT OF
                                             CARS

RNK
Local storm report, Apr 16, 6:07 PM CDT, 1 hour 1 minute before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

4/16/98         LIBERTY             KY       POWER LINES DOWN
700PM EDT       CASEY                        NEAR THE RUSSELL/CASEY
                                             COUNTY LINE.  REPORTED
                                             BY LIBERTY FIRE DEPT.

RNK
Local storm report, Apr 16, 6:13 PM CDT, 55 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

4/16/98         WAYNESBURG          KY      DIME SIZE HAIL
713PM EDT       LINCOLN                     REPORTED BY DES.

WAIDLEY
Local storm report, Apr 16, 6:29 PM CDT, 39 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

630PM EDT
(530-600PM CDT)   PELLYTON            KY       HOMES, BARNS DAMAGED
                  ADAIR                        TREES DOWN.

(530-600PM CDT)   BARNETT CREEK       KY       TREES DOWN
                  ADAIR

(530-600PM CDT)   SNAKE CREEK          KY      TREES DOWN
                  ADAIR

RNK

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 7:08 PM CDTFlash Flood WarningLMKBarren, Warren112 min
Apr 16, 8:19 PM CDTTornado WarningLMKClinton36 min

Nearby

Flash Flood Warnings in Kentucky, 1998Every flash flood warning in 1998

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.