Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 186, NWS Louisville, KY

June 21, 1998Allen County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 21, 1998, 6:15 AM CDT for Allen County, Kentucky. It was in force for 30 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 21, 1998, 6:15 AM CDT (11:15 UTC)
Expired: Jun 21, 1998, 6:45 AM CDT
In force: 30 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Allen County, KY

The radar

The Nashville radar (KOHX), 65 km from the middle of the area, began a volume at 11:16 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, 11.3 hours before the alert went out and 78 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1573 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Jun 21, 1:30 AM CDT, 4 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
230 AM EDT SUN JUN 21 1998

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

0215 AM    WESTPORT                  KY    FLOOD
06/21/98   OLDHAM                          ROCK SLIDE OCCURRED ON
                                           HIGHWAY 524 WHICH IS
                                           PARTIALLY BLOCKED. 10
                                           HOMES EVACUATED JUST
                                           EAST OF WESTPORT.
                                           REPORT FROM STATE POLICE.

Local storm report, Jun 21, 2:29 AM CDT, 3 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
329 AM EDT SUN JUN 21 1998

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

0320 AM    SCOTTSVILLE               KY    WIND DAMAGE
06/21/98   ALLEN                           TREES AND POWER LINES
                                           DOWN. REPORT FROM
                                           DISPATCH.

0325 AM    SCOTTSVILLE               KY    FLOOD
06/21/98   ALLEN                           WATER REPORTED OVER
                                           GALLATIN ROAD. SEVERAL
                                           SMALL CREEKS AT
                                           BANKFUL. REPORT FROM
                                           DISPATCH.

Special weather statement, Jun 21, 3:45 AM CDT, 2 hours 30 minutes before

KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-220400-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
445 AM EDT SUN JUN 21 1998

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

A FRONTAL BOUNDARY ACROSS THE CENTRAL PLAINS WILL SLOWLY MOVE
SOUTHEAST TOWARD THE OHIO VALLEY THIS AFTERNOON AND EVENING.
MEANWHILE...AT THE SAME TIME...AN UPPER LEVEL SYSTEM WILL MOVE
THROUGH THE REGION. THESE TWO FACTORS COMBINED WITH AN ALREADY
UNSTABLE AIR MASS WILL RESULT IN SHOWERS AND THUNDERSTORMS TODAY.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE
HAIL.  HEAVY RAIN AND DANGEROUS LIGHTNING ALSO CAN BE EXPECTED.

THIS IS A PRELIMINARY OUTLOOK.  STAY TUNED TO NOAA WEATHER RADIO
FROM THE NATIONAL WEATHER SERVICE O6R THE MEDIA FOR
THE LATEST INFORMATION ON THIS WEATHER SITUATION. SKYWARN SPOTTER
ACTIVATION MAY BE REQUESTED TODAY.

COX

Special weather statement, Jun 21, 3:45 AM CDT, 2 hours 30 minutes before

KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-220400-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
445 AM EDT SUN JUN 21 1998

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

A FRONTAL BOUNDARY ACROSS THE CENTRAL PLAINS WILL SLOWLY MOVE
SOUTHEAST TOWARD THE OHIO VALLEY THIS AFTERNOON AND EVENING.
MEANWHILE...AT THE SAME TIME...AN UPPER LEVEL SYSTEM WILL MOVE
THROUGH THE REGION. THESE TWO FACTORS COMBINED WITH AN ALREADY
UNSTABLE AIR MASS WILL RESULT IN SHOWERS AND THUNDERSTORMS TODAY.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE
HAIL.  HEAVY RAIN AND DANGEROUS LIGHTNING ALSO CAN BE EXPECTED.

THIS IS A PRELIMINARY OUTLOOK.  STAY TUNED TO NOAA WEATHER RADIO
FROM THE NATIONAL WEATHER SERVICE O6R THE MEDIA FOR
THE LATEST INFORMATION ON THIS WEATHER SITUATION. SKYWARN SPOTTER
ACTIVATION MAY BE REQUESTED TODAY.

COX

Local storm report, Jun 21, 4:31 AM CDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
531 AM EDT SUN JUN 21 1998

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

0415 AM    TEMPLE HILL               KY    WIND DAMAGE
06/21/98   BARREN                          POWER LINES DOWN.

Local storm report, Jun 21, 6:13 AM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
713 AM EDT SUN JUN 21 1998

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

0700 AM    KNIFLEY                   KY    FLOOD
06/21/98   ADAIR                           NUMEROUS ROADS CLOSED.
                                           SOME HOMES SURROUNDED
                                           BY WATER.

0700 AM    YUMA                      KY    FLOOD
06/21/98   TAYLOR                          HOMES BEING EVACUATED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 2:58 AM CDT	Severe Thunderstorm Warning	LMK	Barren	32 min
Jun 21, 4:24 AM CDT	Severe Thunderstorm Warning	LMK	Breckinridge	36 min
Jun 21, 5:41 AM CDT	Severe Thunderstorm Warning	LMK	Warren	34 min
Jun 21, 6:02 AM CDT	Flash Flood Warning	LMK	Adair, Taylor	118 min
Jun 21, 6:04 AM CDT	Flash Flood Warning	LMK	Allen, Monroe	2 hr
Jun 21, 6:35 AM CDT	Severe Thunderstorm Warning	LMK	Butler	40 min
Jun 21, 7:21 AM CDT	Flash Flood Warning	LMK	Bullitt, Hardin	2 hr
Jun 21, 7:32 AM CDT	Flash Flood Warning	LMK	Adair, Barren, Cumberland, Green, Metcalfe, Monroe	2 hr
Jun 21, 7:32 AM CDT	Flash Flood Warning	LMK	Allen, Simpson, Warren	2 hr
Jun 21, 7:32 AM CDT	Flash Flood Warning	LMK	Taylor	2 hr
Jun 21, 7:36 AM CDT	Flash Flood Warning	LMK	Jefferson	114 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998 Every 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.