Alert archive / Kentucky / Flash Flood Warnings in 1998

Flash Flood Warning 10, NWS Louisville, KY

May 21, 1998Bullitt County, Kentucky

NWS Louisville, KY issued this flash flood warning at May 21, 1998, 1:38 AM EDT for Bullitt County, Kentucky. It was in force for 82 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
May 21, 1998, 1:38 AM EDT (05:38 UTC)
Expired
May 21, 1998, 3:00 AM EDT
In force
82 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Bullitt County, KY

The radar

The Louisville radar (KLVX), 22 km from the middle of the area, began a volume at 05:38 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

Nashville Metro, TN (KBNA), launched 00:00Z, 5.6 hours before the alert went out and 220 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, Nashville Metro, TN at 00:00Z on 1998-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1938 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, Nashville Metro, TN at 00:00Z on 1998-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
1938 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1430 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 210537
FFWSDF
KYC029-210700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
138 AM EDT THU MAY 21 1998

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BULLITT COUNTY IN NORTH CENTRAL KENTUCKY

* UNTIL 300 AM EDT

* AT 135 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAIN ACROSS CENTRAL BULLITT COUNTY...
  MOVING SOUTHEAST AT 20 MPH. ANOTHER THUNDERSTORM WAS ALSO MOVING
  INTO WESTERN BULLITT COUNTY AS WELL.

* RADAR HAS ESTIMATED BETWEEN ONE /1.00/ TO TWO AND ONE HALF INCHES
  /2.50/ OF RAIN HAS ALREADY OCCURRED...AND AROUND AN INCH /1.0/ OF
  WILL BE POSSIBLE THROUGH 200 AM EDT.

SEVERAL LOW LYING ROADS WERE REPORTED UNDER WATER...ESPECIALLY
ACROSS SOUTHEAST BULLITT COUNTY.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

DEWALD


&

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

Local storm report, May 20, 8:39 PM EDT, 4 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
839 PM EDT WED MAY 20 1998

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

0420 PM    PAYNEVILLE                KY   60 MPH TSTM GUST
05/20/98   MEADE                          REPORT FROM DES.
Local storm report, May 20, 10:19 PM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1019 PM EDT WED MAY 20 1998

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

0320 PM    JASPER                    IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN NORTH OF
                                          JASPER. REPORT FROM
                                          DISPATCH.

0330 PM    BIRDSEYE                  IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN. REPORT FROM
                                          DISPATCH.

0505 PM    BUFFALO                   KY   WIND DAMAGE
05/20/98   LARUE                          NUMEROUS LIMBS AND TREES
                                          DOWN. ROOF TORN OFF MOBILE
                                          HOME. REPORT FROM NWS
                                          EMPLOYEE.

0525 PM    5 NW GREENSBURG           KY   WIND DAMAGE
05/20/98   GREEN                          TREES DOWN. REPORT FROM
                                          DISPATCH.

0550 PM    BRYANTSVILLE              KY   WIND DAMAGE
05/20/98   GARRARD                        TREES DOWN. REPORT FROM
                                          DISPATCH.

DEWALD
Local storm report, May 20, 10:19 PM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1019 PM EDT WED MAY 20 1998

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

0320 PM    JASPER                    IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN NORTH OF
                                          JASPER. REPORT FROM
                                          DISPATCH.

0330 PM    BIRDSEYE                  IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN. REPORT FROM
                                          DISPATCH.

0505 PM    BUFFALO                   KY   WIND DAMAGE
05/20/98   LARUE                          NUMEROUS LIMBS AND TREES
                                          DOWN. ROOF TORN OFF MOBILE
                                          HOME. REPORT FROM NWS
                                          EMPLOYEE.

0525 PM    5 NW GREENSBURG           KY   WIND DAMAGE
05/20/98   GREEN                          TREES DOWN. REPORT FROM
                                          DISPATCH.

0550 PM    BRYANTSVILLE              KY   WIND DAMAGE
05/20/98   GARRARD                        TREES DOWN. REPORT FROM
                                          DISPATCH.

0550 PM    NICHOLASVILLE             KY   WIND DAMAGE
05/20/98   JESSAMINE                      TREES DOWN. NUMEROUS REPORTS
                                          OF BRANCHES ON POWER LINES.
                                          REPORT FROM DISPATCH.

DEWALD
Local storm report, May 20, 10:19 PM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1019 PM EDT WED MAY 20 1998

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

0320 PM    JASPER                    IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN NORTH OF
                                          JASPER. REPORT FROM
                                          DISPATCH.

0330 PM    BIRDSEYE                  IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN. REPORT FROM
                                          DISPATCH.

0505 PM    BUFFALO                   KY   WIND DAMAGE
05/20/98   LARUE                          NUMEROUS LIMBS AND TREES
                                          DOWN. ROOF TORN OFF MOBILE
                                          HOME. REPORT FROM NWS
                                          EMPLOYEE.

0525 PM    5 NW GREENSBURG           KY   WIND DAMAGE
05/20/98   GREEN                          TREES DOWN. REPORT FROM
                                          DISPATCH.

0550 PM    BRYANTSVILLE              KY   WIND DAMAGE
05/20/98   GARRARD                        TREES DOWN. REPORT FROM
                                          DISPATCH.

DEWALD
Local storm report, May 20, 10:19 PM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORTS
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1019 PM EDT WED MAY 20 1998

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

0320 PM    JASPER                    IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN NORTH OF
                                          JASPER. REPORT FROM
                                          DISPATCH.

0330 PM    BIRDSEYE                  IN   WIND DAMAGE
05/20/98   DUBOIS                         TREES DOWN. REPORT FROM
                                          DISPATCH.

0505 PM    BUFFALO                   KY   WIND DAMAGE
05/20/98   LARUE                          NUMEROUS LIMBS AND TREES
                                          DOWN. ROOF TORN OFF MOBILE
                                          HOME. REPORT FROM NWS
                                          EMPLOYEE.

0525 PM    5 NW GREENSBURG           KY   WIND DAMAGE
05/20/98   GREEN                          TREES DOWN. REPORT FROM
                                          DISPATCH.

0550 PM    BRYANTSVILLE              KY   WIND DAMAGE
05/20/98   GARRARD                        TREES DOWN. REPORT FROM
                                          DISPATCH.

0550 PM    NICHOLASVILLE             KY   WIND DAMAGE
05/20/98   JESSAMINE                      TREES DOWN. NUMEROUS REPORTS
                                          OF BRANCHES ON POWER LINES.
                                          REPORT FROM DISPATCH.

DEWALD
Local storm report, May 20, 11:31 PM EDT, 2 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1131 PM EDT WED MAY 20 1998

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

1130 PM    MT WASHINGTON             KY   1 INCH HAIL
05/20/98   BULLITT                        REPORT FROM NWS EMPLOYEE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 11:15 PM EDTSevere Thunderstorm WarningLMKBullitt35 min
May 20, 11:50 PM EDTSevere Thunderstorm WarningLMKBullitt, Nelson, Spencer35 min
May 21, 12:07 AM EDTSevere Thunderstorm WarningLMKAnderson33 min
May 21, 1:23 AM EDTSevere Thunderstorm WarningLMKCasey, Taylor32 min
May 21, 2:40 AM EDTSevere Thunderstorm WarningLMKAdair35 min
May 21, 6:38 PM EDTSevere Thunderstorm WarningLMKButler, Ohio37 min
May 21, 6:38 PM EDTSevere Thunderstorm WarningLMKLogan37 min
May 21, 7:18 PM EDTSevere Thunderstorm WarningLMKButler, Logan17 min
May 21, 7:18 PM EDTSevere Thunderstorm WarningLMKOhio17 min
May 21, 7:18 PM EDTSevere Thunderstorm WarningLMKButler, Logan22 min
May 21, 7:18 PM EDTSevere Thunderstorm WarningLMKOhio22 min
May 21, 7:25 PM EDTSevere Thunderstorm WarningLMKSimpson, Warren50 min
May 21, 7:25 PM EDTSevere Thunderstorm WarningLMKEdmonson, Grayson50 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.