Alert archive / Indiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 271, NWS Louisville, KY

July 24, 2023Trimble County, Kentucky; Jefferson County, Scott County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 24, 2023, 4:58 PM EDT for Trimble County, Kentucky; Jefferson County, Scott County, Indiana. It was in force for 32 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 24, 2023, 4:58 PM EDT (20:58 UTC)
Expired: Jul 24, 2023, 5:30 PM EDT
In force: 32 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Jefferson County, IN, Scott County, IN, Trimble County, KY

The radar

The Louisville radar (KLVX), 89 km from the middle of the area, began a volume at 21:01 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 24, 3:37 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 169 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: 793 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 24, 3:46 PM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jul 24, 3:46 PM EDT, 1 hour 12 minutes before

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Hazardous weather outlook, Jul 24, 3:39 PM EDT, 1 hour 19 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
339 PM EDT Mon Jul 24 2023

KYZ026-041-046>049-053>057-061>067-070>078-081-082-251945-
Ohio-Fayette-Washington KY-Mercer-Jessamine-Clark KY-Larue-Marion-
Boyle-Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-
Lincoln-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
Including the cities of Hartford, Lexington, Springfield,
Harrodsburg, Nicholasville, Winchester, Hodgenville, Lebanon,
Danville, Lancaster, Richmond, Morgantown, Brownsville, Horse Cave,
Greensburg, Campbellsville, Liberty, Stanford, Russellville,
Bowling Green, Franklin, Providence, Scottsville, Glasgow,
Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville,
and Albany
339 PM EDT Mon Jul 24 2023 /239 PM CDT Mon Jul 24 2023/

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

.DAY ONE...Tonight.

Scattered thunderstorms are expected through the overnight hours
across southern Indiana and portions of central Kentucky, mainly
north of the Western Kentucky and Bluegrass Parkways. Some of the
storms could be strong with heavy rainfall, gusty winds, and frequent
lightning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Overnight Wednesday, scattered strong to severe storms are possible
along the Ohio River and north. Some storms could produce hail,
damaging winds, and frequent lightning.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to pass along any reports of severe weather.

&&

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

INZ076>079-083-084-089>092-KYZ023>025-027>040-042-043-045-251945-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Grayson-Hardin-
Bullitt-Jefferson KY-Oldham-Trimble-Henry-Shelby-Franklin-Scott KY-
Harrison KY-Spencer-Anderson-Woodford-Bourbon-Nicholas-Nelson-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, Brandenburg, Leitchfield, Elizabethtown,
Shepherdsville, Louisville, La Grange, Bedford, Milton, New Castle,
Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville,
Lawrenceburg, Versailles, Paris, Carlisle, and Bardstown
339 PM EDT Mon Jul 24 2023 /239 PM CDT Mon Jul 24 2023/

...SEVERE THUNDERSTORM WATCH 545 IN EFFECT UNTIL 10 PM EDT /9 PM
CDT/ THIS EVENING...

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

.DAY ONE...Tonight.

Scattered thunderstorms are expected through the overnight hours
across southern Indiana and portions of central Kentucky, mainly
north of the Western Kentucky and Bluegrass Parkways. Some of the
storms could be strong to severe with heavy rainfall, damaging wind
gusts, and frequent lightning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Overnight Wednesday, scattered strong to severe storms are possible
along the Ohio River and north. Some storms could produce hail,
damaging winds, and frequent lightning.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to pass along any reports of severe weather.

&&

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

DM

In the hours before

Special weather statement, Jul 24, 3:45 PM EDT, 1 hour 13 minutes before

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Special weather statement, Jul 24, 4:13 PM EDT, 45 minutes before

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Special weather statement, Jul 24, 4:17 PM EDT, 41 minutes before

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Special weather statement, Jul 24, 4:39 PM EDT, 19 minutes before

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Special weather statement, Jul 24, 4:43 PM EDT, 15 minutes before

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Special weather statement, Jul 24, 4:45 PM EDT, 13 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 24, 4:39 PM EDT	Special Weather Statement	LMK	Bullitt	36 min
Jul 24, 4:43 PM EDT	Special Weather Statement	LMK	Shelby	32 min
Jul 24, 4:59 PM EDT	Special Weather Statement	LMK	Hancock	31 min
Jul 24, 5:16 PM EDT	Special Weather Statement	LMK	Hancock	29 min
Jul 24, 5:17 PM EDT	Special Weather Statement	LMK	Shelby	28 min
Jul 24, 5:24 PM EDT	Special Weather Statement	LMK	Jefferson	21 min
Jul 24, 5:29 PM EDT	Special Weather Statement	LMK	Ohio	16 min
Jul 24, 5:43 PM EDT	Special Weather Statement	LMK	Hancock	32 min
Jul 24, 5:45 PM EDT	Special Weather Statement	LMK	Shelby	30 min
Jul 24, 5:46 PM EDT	Special Weather Statement	LMK	Ohio	29 min
Jul 24, 5:57 PM EDT	Special Weather Statement	LMK	Ohio	18 min
Jul 24, 6:02 PM EDT	Areal Flood Advisory	LMK	Shelby	3 hr
Jul 24, 6:04 PM EDT	Special Weather Statement	LMK	Breckinridge	26 min
Jul 24, 6:08 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Ohio	37 min
Jul 24, 6:10 PM EDT	Special Weather Statement	LMK	Butler	20 min
Jul 24, 6:12 PM EDT	Special Weather Statement	LMK	Meade	18 min
Jul 24, 6:14 PM EDT	Special Weather Statement	LMK	Logan	31 min
Jul 24, 6:14 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	31 min
Jul 24, 6:17 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	28 min
Jul 24, 6:22 PM EDT	Special Weather Statement	LMK	Green	23 min
Jul 24, 6:24 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Ohio	36 min
Jul 24, 6:28 PM EDT	Areal Flood Advisory	LMK	Hancock	3 hr
Jul 24, 6:34 PM EDT	Special Weather Statement	LMK	Meade	26 min
Jul 24, 6:42 PM EDT	Special Weather Statement	LMK	Oldham, Shelby	33 min
Jul 24, 6:43 PM EDT	Special Weather Statement	LMK	Grayson	17 min
Jul 24, 6:44 PM EDT	Special Weather Statement	LMK	Spencer	16 min
Jul 24, 6:46 PM EDT	Special Weather Statement	LMK	Logan	14 min
Jul 24, 6:54 PM EDT	Special Weather Statement	LMK	Jefferson	36 min
Jul 24, 7:01 PM EDT	Special Weather Statement	LMK	Bullitt	59 min
Jul 24, 7:02 PM EDT	Special Weather Statement	LMK	Anderson	28 min
Jul 24, 7:26 PM EDT	Special Weather Statement	LMK	Fayette, Woodford	64 min
Jul 24, 7:29 PM EDT	Severe Thunderstorm Warning	LMK	Hardin, Larue, Nelson	31 min
Jul 24, 7:31 PM EDT	Special Weather Statement	LMK	Washington	29 min
Jul 24, 7:37 PM EDT	Special Weather Statement	LMK	Nelson	23 min
Jul 24, 7:48 PM EDT	Special Weather Statement	LMK	Anderson	42 min
Jul 24, 7:56 PM EDT	Special Weather Statement	LMK	Fayette	19 min
Jul 24, 7:57 PM EDT	Special Weather Statement	LMK	Nicholas	33 min
Jul 24, 7:59 PM EDT	Special Weather Statement	LMK	Marion	46 min
Jul 24, 3:18 PM EDT	Special Weather Statement	LMK	Dubois	27 min
Jul 24, 3:45 PM EDT	Special Weather Statement	LMK	Dubois	30 min
Jul 24, 4:13 PM EDT	Special Weather Statement	LMK	Orange	32 min
Jul 24, 4:17 PM EDT	Special Weather Statement	LMK	Jefferson, Scott	28 min
Jul 24, 4:45 PM EDT	Special Weather Statement	LMK	Jefferson	30 min
Jul 24, 5:07 PM EDT	Special Weather Statement	LMK	Washington	23 min
Jul 24, 5:10 PM EDT	Special Weather Statement	LMK	Scott	35 min
Jul 24, 5:28 PM EDT	Special Weather Statement	LMK	Scott	32 min
Jul 24, 5:40 PM EDT	Special Weather Statement	LMK	Scott	35 min
Jul 24, 5:42 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Scott	33 min
Jul 24, 5:59 PM EDT	Special Weather Statement	LMK	Clark	31 min
Jul 24, 6:04 PM EDT	Severe Thunderstorm Warning	LMK	Clark	26 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2023 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.