Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 147, NWS Louisville, KY

June 12, 1998Jefferson County, Oldham County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 12, 1998, 10:46 PM EDT for Jefferson County, Oldham County, Kentucky. It was in force for 19 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
Jun 12, 1998, 10:46 PM EDT (02:46 UTC)
Expired
Jun 12, 1998, 11:05 PM EDT
In force
19 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Jefferson County, KY, Oldham County, KY

The radar

The Louisville radar (KLVX), 49 km from the middle of the area, began a volume at 02:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 12, 7:45 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.8 hours before the alert went out and 198 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 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2064 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 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 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
2064 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1235 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
2.2
Supercell composite
17.7

Open this sounding in Storm Lab

The text

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

850 
WUUS1 KSDF 130247 RRA
SVRSDF
KYC111-185-130305-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1046 PM EDT FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY
  OLDHAM COUNTY IN NORTH CENTRAL KENTUCKY

* UNTIL 1105 PM EDT

* AT 1046 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS ALONG THE OHIO RIVER...MOVING
  SOUTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LOUISVILLE BY 1050 PM
  GOSHEN BY 1055 PM

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

DAMAGING WINDS ARE POSSIBLE WITH THIS LINE OF STORMS.

REC/VLD

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 12, 10:07 PM EDT, 39 minutes before
KYZ023>043-045>049-053>057-061>067-089>100-INZ076>079-084-090>092-
130600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1007 PM EDT FRI JUN 12 1998

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF EAST
KENTUCKY THROUGH 4 AM EDT. THE WATCH IS EAST AND NORTH OF A LINE
FROM JUST WEST OF COVINGTON THROUGH FRANKFORT TO STANFORDAND THEN
EAST TO PIKEVILLE.

A COLD FRONT FROM CHICAGO TO ST LOUIS WILL MOVE SOUTHEAST ACROSS
KENTUCKY TONIGHT AND SATURDAY MORNING.  SEVERE THUNDERSTORMS WILL
OCCUR IN THE WATCH AREA...WITH DAMAGING WINDS AND LARGE HAIL THE
MAIN THREATS.

A TORNADO WATCH ACROSS PARTS OF NORTH AND WEST KENTUCKY WILL REMAIN
IN EFFECT UNTIL 1 AM EDT.

THIS IS A DANGEROUS SITUATION.  STAY TUNED TO NOAA WEATHER RADIO
OR COMMERCIAL MEDIA FOR LATER UPDATES AND POSSIBLE WARNINGS.

REITMEYER
Special weather statement, Jun 12, 10:07 PM EDT, 39 minutes before
KYZ023>043-045>049-053>057-061>067-089>100-INZ076>079-084-090>092-
130600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1007 PM EDT FRI JUN 12 1998

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF EAST
KENTUCKY THROUGH 4 AM EDT. THE WATCH IS EAST AND NORTH OF A LINE
FROM JUST WEST OF COVINGTON THROUGH FRANKFORT TO STANFORDAND THEN
EAST TO PIKEVILLE.

A COLD FRONT FROM CHICAGO TO ST LOUIS WILL MOVE SOUTHEAST ACROSS
KENTUCKY TONIGHT AND SATURDAY MORNING.  SEVERE THUNDERSTORMS WILL
OCCUR IN THE WATCH AREA...WITH DAMAGING WINDS AND LARGE HAIL THE
MAIN THREATS.

A TORNADO WATCH ACROSS PARTS OF NORTH AND WEST KENTUCKY WILL REMAIN
IN EFFECT UNTIL 1 AM EDT.

THIS IS A DANGEROUS SITUATION.  STAY TUNED TO NOAA WEATHER RADIO
OR COMMERCIAL MEDIA FOR LATER UPDATES AND POSSIBLE WARNINGS.

REITMEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:29 PM EDTSevere Thunderstorm WarningLMKMeade31 min
Jun 12, 10:59 PM EDTSevere Thunderstorm WarningLMKBreckinridge31 min
Jun 12, 11:03 PM EDTSevere Thunderstorm WarningLMKBullitt, Shelby, Spencer32 min
Jun 12, 11:20 PM EDTSevere Thunderstorm WarningLMKAnderson, Franklin35 min
Jun 12, 11:27 PM EDTSevere Thunderstorm WarningLMKHardin, Meade33 min
Jun 12, 11:35 PM EDTSevere Thunderstorm WarningLMKScott, Woodford30 min
Jun 12, 11:51 PM EDTSevere Thunderstorm WarningLMKBourbon, Fayette34 min
Jun 13, 12:07 AM EDTSevere Thunderstorm WarningLMKClark33 min
Jun 13, 12:45 AM EDTFlash Flood WarningLMKHardin2 hr
Jun 13, 1:20 AM EDTSevere Thunderstorm WarningLMKGreen, Hart, Larue35 min
Jun 13, 1:34 AM EDTSevere Thunderstorm WarningLMKMarion, Taylor31 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998Every severe thunderstorm 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.