Alert archive / Kentucky / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 264, NWS Louisville, KY

July 18, 20234 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 18, 2023, 3:37 PM EDT for 4 counties in Kentucky. It was in force for 38 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, 3:37 PM EDT (19:37 UTC)
Expired
Jul 18, 2023, 4:15 PM EDT
In force
38 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bourbon County, KY, Clark County, KY, Madison County, KY, Nicholas County, KY

The radar

The Jackson,KY radar (KJKL), 91 km from the middle of the area, began a volume at 19:36 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 12:00Z, 7.6 hours before the alert went out and 156 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 12:00Z on 2023-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 168 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, Cncnati-Daytn, OH at 12:00Z on 2023-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
168 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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, 3:06 PM EDT, 31 minutes earlier.

Area forecast discussion, Jul 18, 3:06 PM EDT, 31 minutes before
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Hazardous weather outlook, Jul 18, 2:30 PM EDT, 1 hour 7 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, 2:54 PM EDT, 43 minutes before
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Special weather statement, Jul 18, 3:05 PM EDT, 32 minutes before
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Local storm report, Jul 18, 3:07 PM EDT, 30 minutes before
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Special weather statement, Jul 18, 3:10 PM EDT, 27 minutes before
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Special weather statement, Jul 18, 3:11 PM EDT, 26 minutes before
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Special weather statement, Jul 18, 3:26 PM EDT, 11 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 10:35 PM EDTSpecial Weather StatementLMKNicholas25 min
Jul 17, 10:56 PM EDTSevere Thunderstorm WarningLMKTrimble34 min
Jul 17, 11:54 PM EDTAreal Flood AdvisoryLMKTrimble3 hr
Jul 18, 12:57 AM EDTSevere Thunderstorm WarningLMKJefferson, Oldham, Shelby18 min
Jul 18, 1:20 AM EDTSpecial Weather StatementLMKShelby25 min
Jul 18, 1:52 AM EDTSevere Thunderstorm WarningLMKJefferson, Oldham, Shelby, Spencer25 min
Jul 18, 2:15 AM EDTSevere Thunderstorm WarningLMKShelby18 min
Jul 18, 2:22 AM EDTAreal Flood AdvisoryLMKAnderson, Bourbon, Fayette, Franklin, Jefferson, Oldham and 3 more3 hr
Jul 18, 2:26 AM EDTSpecial Weather StatementLMKFayette, Jessamine34 min
Jul 18, 2:32 AM EDTSpecial Weather StatementLMKBullitt28 min
Jul 18, 2:38 AM EDTSevere Thunderstorm WarningLMKBullitt, Hardin23 min
Jul 18, 2:59 AM EDTSevere Thunderstorm WarningLMKBullitt, Nelson31 min
Jul 18, 3:02 AM EDTSpecial Weather StatementLMKGarrard, Madison43 min
Jul 18, 3:09 AM EDTSevere Thunderstorm WarningLMKFayette, Jessamine, Woodford36 min
Jul 18, 3:28 AM EDTSevere Thunderstorm WarningLMKMarion, Nelson, Washington32 min
Jul 18, 3:32 AM EDTAreal Flood AdvisoryLMKAnderson, Jessamine, Mercer, Woodford2 hr
Jul 18, 3:46 AM EDTSpecial Weather StatementLMKMadison29 min
Jul 18, 3:54 AM EDTSevere Thunderstorm WarningLMKBoyle, Casey, Lincoln36 min
Jul 18, 4:13 AM EDTSpecial Weather StatementLMKCasey47 min
Jul 18, 4:22 AM EDTSevere Thunderstorm WarningLMKCasey, Lincoln38 min
Jul 18, 4:26 AM EDTSpecial Weather StatementLMKGarrard34 min
Jul 18, 5:01 AM EDTSpecial Weather StatementLMKRussell29 min
Jul 18, 10:02 AM EDTSevere Thunderstorm WarningLMKMeade43 min
Jul 18, 10:44 AM EDTSevere Thunderstorm WarningLMKMeade14 min
Jul 18, 12:30 PM EDTSpecial Weather StatementLMKHart30 min
Jul 18, 12:31 PM EDTFlood WatchLMKAllen, Butler, Edmonson, Grayson, Logan, Ohio and 2 more21 hr
Jul 18, 12:57 PM EDTSpecial Weather StatementLMKMeade18 min
Jul 18, 1:09 PM EDTSpecial Weather StatementLMKMetcalfe36 min
Jul 18, 1:14 PM EDTSpecial Weather StatementLMKHardin16 min
Jul 18, 1:20 PM EDTSevere Thunderstorm Warning Considerable damage threatLMKBarren, Green, Hart, Metcalfe40 min
Jul 18, 1:32 PM EDTSpecial Weather StatementLMKBullitt28 min
Jul 18, 1:54 PM EDTSpecial Weather StatementLMKMetcalfe21 min
Jul 18, 1:57 PM EDTSpecial Weather StatementLMKHardin18 min
Jul 18, 2:02 PM EDTSpecial Weather StatementLMKShelby28 min
Jul 18, 2:03 PM EDTSpecial Weather StatementLMKAnderson27 min
Jul 18, 2:17 PM EDTSpecial Weather StatementLMKCasey13 min
Jul 18, 2:28 PM EDTSpecial Weather StatementLMKMercer32 min
Jul 18, 2:30 PM EDTSpecial Weather StatementLMKShelby30 min
Jul 18, 2:33 PM EDTSevere Thunderstorm WarningLMKAdair, Casey, Lincoln42 min
Jul 18, 2:43 PM EDTSevere Thunderstorm WarningLMKGarrard, Jessamine, Mercer, Woodford32 min
Jul 18, 2:54 PM EDTSpecial Weather StatementLMKFayette, Woodford36 min
Jul 18, 3:05 PM EDTSpecial Weather StatementLMKLincoln25 min
Jul 18, 3:10 PM EDTSpecial Weather StatementLMKGarrard35 min
Jul 18, 3:11 PM EDTSpecial Weather StatementLMKClark, Fayette34 min
Jul 18, 3:26 PM EDTSpecial Weather StatementLMKBourbon34 min
Jul 18, 3:35 PM EDTSevere Thunderstorm WarningLMKButler, Logan55 min
Jul 18, 3:53 PM EDTSpecial Weather StatementLMKLarue37 min
Jul 18, 4:13 PM EDTSevere Thunderstorm WarningLMKLarue, Marion, Taylor17 min
Jul 18, 4:15 PM EDTSevere Thunderstorm WarningLMKAllen, Butler, Edmonson, Logan, Simpson, Warren60 min
Jul 18, 5:02 PM EDTSpecial Weather StatementLMKBreckinridge, Hancock28 min
Jul 18, 5:03 PM EDTSpecial Weather StatementLMKAllen, Barren, Edmonson, Hart42 min
Jul 18, 5:27 PM EDTSpecial Weather StatementLMKWashington33 min
Jul 18, 5:36 PM EDTSpecial Weather StatementLMKBreckinridge24 min
Jul 18, 5:37 PM EDTAreal Flood AdvisoryLMKBreckinridge, Hancock, Ohio3 hr
Jul 18, 5:42 PM EDTSevere Thunderstorm WarningLMKMarion, Washington18 min
Jul 18, 5:44 PM EDTSpecial Weather StatementLMKAdair, Cumberland, Green, Hart, Larue, Metcalfe and 2 more46 min
Jul 18, 5:47 PM EDTSpecial Weather StatementLMKMeade28 min
Jul 18, 6:09 PM EDTSevere Thunderstorm WarningLMKJefferson36 min
Jul 18, 6:13 PM EDTSpecial Weather StatementLMKHardin32 min
Jul 18, 6:28 PM EDTSpecial Weather StatementLMKAdair, Casey, Clinton, Cumberland, Larue, Marion and 3 more62 min
Jul 18, 6:31 PM EDTAreal Flood AdvisoryLMKMarion, Nelson, Washington3 hr
Jul 18, 6:39 PM EDTSpecial Weather StatementLMKJefferson36 min
Jul 18, 6:42 PM EDTSevere Thunderstorm WarningLMKBullitt, Jefferson18 min
Jul 18, 7:01 PM EDTFlash Flood WarningLMKMarion, Nelson, Washington3 hr
Jul 18, 7:06 PM EDTAreal Flood AdvisoryLMKJefferson, Oldham, Shelby3 hr
Jul 18, 7:10 PM EDTSpecial Weather StatementLMKBoyle, Garrard35 min
Jul 18, 7:14 PM EDTFlash Flood WarningLMKJefferson, Oldham, Shelby3 hr
Jul 17, 10:41 PM EDTSpecial Weather StatementLMKJefferson34 min
Jul 18, 12:21 AM EDTSevere Thunderstorm WarningLMKWashington24 min
Jul 18, 12:27 AM EDTSpecial Weather StatementLMKClark33 min
Jul 18, 12:45 AM EDTSpecial Weather StatementLMKScott30 min
Jul 18, 1:15 AM EDTSpecial Weather StatementLMKClark45 min
Jul 18, 1:55 AM EDTSpecial Weather StatementLMKWashington35 min
Jul 18, 9:16 AM EDTSpecial Weather StatementLMKClark29 min
Jul 18, 9:50 AM EDTSpecial Weather StatementLMKCrawford25 min
Jul 18, 10:23 AM EDTSpecial Weather StatementLMKHarrison22 min
Jul 18, 10:46 AM EDTSpecial Weather StatementLMKFloyd29 min
Jul 18, 5:51 PM EDTSpecial Weather StatementLMKFloyd24 min
Jul 18, 6:17 PM EDTSpecial Weather StatementLMKHarrison28 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2023Every 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.