Alert archive / Kentucky / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 263, NWS Louisville, KY

July 18, 2023Butler County, Logan County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 18, 2023, 2:35 PM CDT for Butler County, Logan County, Kentucky. It was in force for 55 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: Jul 18, 2023, 2:35 PM CDT (19:35 UTC)
Expired: Jul 18, 2023, 3:30 PM CDT
In force: 55 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, KY, Logan County, KY

The radar

The Ft Campbell radar (KHPX), 56 km from the middle of the area, began a volume at 19:38 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 18, 1:09 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.6 hours before the alert went out and 102 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: 2404 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 897 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.6

Open this sounding in Storm Lab

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.

NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 2:06 PM CDT, 29 minutes earlier.

Area forecast discussion, Jul 18, 2:06 PM CDT, 29 minutes before

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Hazardous weather outlook, Jul 18, 1:30 PM CDT, 1 hour 5 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
230 PM EDT Tue Jul 18 2023

INZ076>079-083-084-089>092-KYZ030>043-047>049-056-057-191830-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Jefferson KY-Oldham-Trimble-Henry-Shelby-
Franklin-Scott KY-Harrison KY-Spencer-Anderson-Woodford-Fayette-
Bourbon-Nicholas-Mercer-Jessamine-Clark KY-Garrard-Madison-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville, Louisville,
La Grange, Bedford, Milton, New Castle, Shelbyville, Frankfort,
Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles,
Lexington, Paris, Carlisle, Harrodsburg, Nicholasville, Winchester,
Lancaster, and Richmond
230 PM EDT Tue Jul 18 2023 /130 PM CDT Tue Jul 18 2023/

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...Tonight.

Scattered strong storms will be possible this afternoon. Locally
gusty winds and hail will be the main threats in addition to very
heavy downpours and lightning.

Additional thunderstorms are possible after midnight, and
could produce brief downpours and lightning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Strong to severe storms are possible Thursday ahead of a cold front.
Main concerns are damaging winds, hail, and lightning. Areas that
have received previous heavy rainfall may be susceptible to
additional flooding concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times through Thursday.

GENERAL STORM MOTION OF THE DAY:

Storms this afternoon and tonight will move from west to east around
20 to 30 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

KYZ023>025-028-029-045-046-053>055-063>067-074>078-081-082-191830-
Hancock-Breckinridge-Meade-Hardin-Bullitt-Nelson-Washington KY-Larue-
Marion-Boyle-Hart-Green-Taylor-Casey-Lincoln-Barren-Monroe-Metcalfe-
Adair-Russell-Cumberland-Clinton-
Including the cities of Lewisport, Hawesville, Hardinsburg,
Brandenburg, Elizabethtown, Shepherdsville, Bardstown, Springfield,
Hodgenville, Lebanon, Danville, Horse Cave, Greensburg,
Campbellsville, Liberty, Stanford, Glasgow, Tompkinsville, Edmonton,
Columbia, Jamestown, Burkesville, and Albany
230 PM EDT Tue Jul 18 2023 /130 PM CDT Tue Jul 18 2023/

...SEVERE THUNDERSTORM WATCH 511 IN EFFECT UNTIL 9 PM EDT /8 PM CDT/
THIS EVENING...

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...Tonight.

Scattered strong to severe storms will be possible this afternoon.
Damaging winds will be the main threat, with large hail and frequent
lightning also possible. A tornado cannot be ruled out either.

After midnight tonight more storms are expected, with brief downpours
and frequent lightning possible.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Strong to severe storms are possible on Thursday ahead of a cold
front. Main concerns are damaging winds, hail, and lightning. Areas
that have received previous heavy rainfall may be susceptible to
additional flooding concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times through Thursday.

GENERAL STORM MOTION OF THE DAY:

Storms this afternoon and tonight will move from west to east around
20 to 30 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

KYZ026-027-061-062-070>073-191830-
Ohio-Grayson-Butler-Edmonson-Logan-Warren-Simpson-Allen-
Including the cities of Hartford, Leitchfield, Morgantown,
Brownsville, Russellville, Bowling Green, Franklin, Providence,
and Scottsville
130 PM CDT Tue Jul 18 2023

...SEVERE THUNDERSTORM WATCH 511 IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...FLOOD WATCH IN EFFECT THROUGH WEDNESDAY MORNING...

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...Tonight.

Scattered strong to severe storms will be possible this afternoon.
Damaging winds will be the main threat, with large hail and frequent
lightning also possible. A tornado cannot be ruled out either.

After midnight tonight more storms are expected. Torrential rains and
flash flooding will be the main threats but some storms may also
produce locally gusty winds and hail.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Strong to severe storms are possible on Thursday ahead of a cold
front. Main concerns are damaging winds, hail, and lightning. Areas
that have received previous heavy rainfall may be susceptible to
additional flooding concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times through Thursday.

GENERAL STORM MOTION OF THE DAY:

Storms this afternoon and tonight will move from west to east around
20 to 30 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

RAS/CSG

In the hours before

Special weather statement, Jul 18, 1:54 PM CDT, 41 minutes before

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Special weather statement, Jul 18, 2:05 PM CDT, 30 minutes before

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Local storm report, Jul 18, 2:07 PM CDT, 28 minutes before

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Special weather statement, Jul 18, 2:10 PM CDT, 25 minutes before

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Special weather statement, Jul 18, 2:11 PM CDT, 24 minutes before

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Special weather statement, Jul 18, 2:26 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 9:35 PM CDT	Special Weather Statement	LMK	Nicholas	25 min
Jul 17, 9:56 PM CDT	Severe Thunderstorm Warning	LMK	Trimble	34 min
Jul 17, 10:54 PM CDT	Areal Flood Advisory	LMK	Trimble	3 hr
Jul 17, 11:57 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham, Shelby	18 min
Jul 18, 12:20 AM CDT	Special Weather Statement	LMK	Shelby	25 min
Jul 18, 12:52 AM CDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham, Shelby, Spencer	25 min
Jul 18, 1:15 AM CDT	Severe Thunderstorm Warning	LMK	Shelby	18 min
Jul 18, 1:22 AM CDT	Areal Flood Advisory	LMK	Anderson, Bourbon, Fayette, Franklin, Jefferson, Oldham and 3 more	3 hr
Jul 18, 1:26 AM CDT	Special Weather Statement	LMK	Fayette, Jessamine	34 min
Jul 18, 1:32 AM CDT	Special Weather Statement	LMK	Bullitt	28 min
Jul 18, 1:38 AM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin	23 min
Jul 18, 1:59 AM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson	31 min
Jul 18, 2:02 AM CDT	Special Weather Statement	LMK	Garrard, Madison	43 min
Jul 18, 2:09 AM CDT	Severe Thunderstorm Warning	LMK	Fayette, Jessamine, Woodford	36 min
Jul 18, 2:28 AM CDT	Severe Thunderstorm Warning	LMK	Marion, Nelson, Washington	32 min
Jul 18, 2:32 AM CDT	Areal Flood Advisory	LMK	Anderson, Jessamine, Mercer, Woodford	2 hr
Jul 18, 2:46 AM CDT	Special Weather Statement	LMK	Madison	29 min
Jul 18, 2:54 AM CDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Lincoln	36 min
Jul 18, 3:13 AM CDT	Special Weather Statement	LMK	Casey	47 min
Jul 18, 3:22 AM CDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	38 min
Jul 18, 3:26 AM CDT	Special Weather Statement	LMK	Garrard	34 min
Jul 18, 4:01 AM CDT	Special Weather Statement	LMK	Russell	29 min
Jul 18, 9:02 AM CDT	Severe Thunderstorm Warning	LMK	Meade	43 min
Jul 18, 9:44 AM CDT	Severe Thunderstorm Warning	LMK	Meade	14 min
Jul 18, 11:30 AM CDT	Special Weather Statement	LMK	Hart	30 min
Jul 18, 11:31 AM CDT	Flood Watch	LMK	Allen, Butler, Edmonson, Grayson, Logan, Ohio and 2 more	21 hr
Jul 18, 11:57 AM CDT	Special Weather Statement	LMK	Meade	18 min
Jul 18, 12:09 PM CDT	Special Weather Statement	LMK	Metcalfe	36 min
Jul 18, 12:14 PM CDT	Special Weather Statement	LMK	Hardin	16 min
Jul 18, 12:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LMK	Barren, Green, Hart, Metcalfe	40 min
Jul 18, 12:32 PM CDT	Special Weather Statement	LMK	Bullitt	28 min
Jul 18, 12:54 PM CDT	Special Weather Statement	LMK	Metcalfe	21 min
Jul 18, 12:57 PM CDT	Special Weather Statement	LMK	Hardin	18 min
Jul 18, 1:02 PM CDT	Special Weather Statement	LMK	Shelby	28 min
Jul 18, 1:03 PM CDT	Special Weather Statement	LMK	Anderson	27 min
Jul 18, 1:17 PM CDT	Special Weather Statement	LMK	Casey	13 min
Jul 18, 1:28 PM CDT	Special Weather Statement	LMK	Mercer	32 min
Jul 18, 1:30 PM CDT	Special Weather Statement	LMK	Shelby	30 min
Jul 18, 1:33 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Lincoln	42 min
Jul 18, 1:43 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Jessamine, Mercer, Woodford	32 min
Jul 18, 1:54 PM CDT	Special Weather Statement	LMK	Fayette, Woodford	36 min
Jul 18, 2:05 PM CDT	Special Weather Statement	LMK	Lincoln	25 min
Jul 18, 2:10 PM CDT	Special Weather Statement	LMK	Garrard	35 min
Jul 18, 2:11 PM CDT	Special Weather Statement	LMK	Clark, Fayette	34 min
Jul 18, 2:26 PM CDT	Special Weather Statement	LMK	Bourbon	34 min
Jul 18, 2:37 PM CDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Madison, Nicholas	38 min
Jul 18, 2:53 PM CDT	Special Weather Statement	LMK	Larue	37 min
Jul 18, 3:13 PM CDT	Severe Thunderstorm Warning	LMK	Larue, Marion, Taylor	17 min
Jul 18, 3:15 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Butler, Edmonson, Logan, Simpson, Warren	60 min
Jul 18, 4:02 PM CDT	Special Weather Statement	LMK	Breckinridge, Hancock	28 min
Jul 18, 4:03 PM CDT	Special Weather Statement	LMK	Allen, Barren, Edmonson, Hart	42 min
Jul 18, 4:27 PM CDT	Special Weather Statement	LMK	Washington	33 min
Jul 18, 4:36 PM CDT	Special Weather Statement	LMK	Breckinridge	24 min
Jul 18, 4:37 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Hancock, Ohio	3 hr
Jul 18, 4:42 PM CDT	Severe Thunderstorm Warning	LMK	Marion, Washington	18 min
Jul 18, 4:44 PM CDT	Special Weather Statement	LMK	Adair, Cumberland, Green, Hart, Larue, Metcalfe and 2 more	46 min
Jul 18, 4:47 PM CDT	Special Weather Statement	LMK	Meade	28 min
Jul 18, 5:09 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson	36 min
Jul 18, 5:13 PM CDT	Special Weather Statement	LMK	Hardin	32 min
Jul 18, 5:28 PM CDT	Special Weather Statement	LMK	Adair, Casey, Clinton, Cumberland, Larue, Marion and 3 more	62 min
Jul 18, 5:31 PM CDT	Areal Flood Advisory	LMK	Marion, Nelson, Washington	3 hr
Jul 18, 5:39 PM CDT	Special Weather Statement	LMK	Jefferson	36 min
Jul 18, 5:42 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson	18 min
Jul 18, 6:01 PM CDT	Flash Flood Warning	LMK	Marion, Nelson, Washington	3 hr
Jul 18, 6:06 PM CDT	Areal Flood Advisory	LMK	Jefferson, Oldham, Shelby	3 hr
Jul 18, 6:10 PM CDT	Special Weather Statement	LMK	Boyle, Garrard	35 min
Jul 18, 6:14 PM CDT	Flash Flood Warning	LMK	Jefferson, Oldham, Shelby	3 hr
Jul 17, 9:41 PM CDT	Special Weather Statement	LMK	Jefferson	34 min
Jul 17, 11:21 PM CDT	Severe Thunderstorm Warning	LMK	Washington	24 min
Jul 17, 11:27 PM CDT	Special Weather Statement	LMK	Clark	33 min
Jul 17, 11:45 PM CDT	Special Weather Statement	LMK	Scott	30 min
Jul 18, 12:15 AM CDT	Special Weather Statement	LMK	Clark	45 min
Jul 18, 12:55 AM CDT	Special Weather Statement	LMK	Washington	35 min
Jul 18, 8:16 AM CDT	Special Weather Statement	LMK	Clark	29 min
Jul 18, 8:50 AM CDT	Special Weather Statement	LMK	Crawford	25 min
Jul 18, 9:23 AM CDT	Special Weather Statement	LMK	Harrison	22 min
Jul 18, 9:46 AM CDT	Special Weather Statement	LMK	Floyd	29 min
Jul 18, 4:51 PM CDT	Special Weather Statement	LMK	Floyd	24 min
Jul 18, 5:17 PM CDT	Special Weather Statement	LMK	Harrison	28 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2023 Every severe thunderstorm warning in 2023

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.