Alert archive / Kentucky / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 237, NWS Louisville, KY

September 24, 2024Franklin County, Henry County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Sep 24, 2024, 4:16 PM EDT for Franklin County, Henry County, Kentucky. It was in force for 16 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: Sep 24, 2024, 4:16 PM EDT (20:16 UTC)
Expired: Sep 24, 2024, 4:32 PM EDT
In force: 16 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Franklin County, KY, Henry County, KY

The radar

The Louisville radar (KLVX), 92 km from the middle of the area, began a volume at 20:19 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
Sep 24, 1:45 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 hours before the alert went out and 159 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: 108 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 626 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 197 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 Sep 24, 3:17 PM EDT, 59 minutes earlier.

Area forecast discussion, Sep 24, 3:17 PM EDT, 59 minutes before

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Hazardous weather outlook, Sep 24, 3:21 PM EDT, 55 minutes before

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In the hours before

Local storm report, Sep 24, 3:34 PM EDT, 42 minutes before

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Local storm report, Sep 24, 3:43 PM EDT, 33 minutes before

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Special weather statement, Sep 24, 3:54 PM EDT, 22 minutes before

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Local storm report, Sep 24, 4:00 PM EDT, 16 minutes before

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Special weather statement, Sep 24, 4:00 PM EDT, 16 minutes before

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Special weather statement, Sep 24, 4:11 PM EDT, 5 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
Sep 23, 8:01 PM EDT	Special Weather Statement	LMK	Monroe	29 min
Sep 24, 5:44 AM EDT	Special Weather Statement	LMK	Harrison	31 min
Sep 24, 6:01 AM EDT	Special Weather Statement	LMK	Edmonson, Hart	29 min
Sep 24, 6:30 AM EDT	Special Weather Statement	LMK	Hart	30 min
Sep 24, 6:56 AM EDT	Special Weather Statement	LMK	Taylor	34 min
Sep 24, 7:36 AM EDT	Special Weather Statement	LMK	Marion	24 min
Sep 24, 11:05 AM EDT	Special Weather Statement	LMK	Butler	25 min
Sep 24, 11:29 AM EDT	Special Weather Statement	LMK	Butler	31 min
Sep 24, 11:57 AM EDT	Special Weather Statement	LMK	Grayson	18 min
Sep 24, 12:13 PM EDT	Special Weather Statement	LMK	Larue	32 min
Sep 24, 12:37 PM EDT	Special Weather Statement	LMK	Larue	38 min
Sep 24, 12:52 PM EDT	Severe Thunderstorm Warning	LMK	Larue, Marion, Nelson, Washington	38 min
Sep 24, 1:25 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Marion, Mercer, Washington	35 min
Sep 24, 1:26 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	34 min
Sep 24, 1:40 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	35 min
Sep 24, 1:52 PM EDT	Tornado Warning	LMK	Jefferson, Oldham	23 min
Sep 24, 1:53 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Jefferson, Oldham, Trimble	37 min
Sep 24, 1:59 PM EDT	Special Weather Statement	LMK	Fayette, Jessamine	31 min
Sep 24, 2:03 PM EDT	Special Weather Statement	LMK	Allen, Simpson	42 min
Sep 24, 2:07 PM EDT	Tornado Warning	LMK	Henry, Oldham, Trimble	23 min
Sep 24, 2:11 PM EDT	Special Weather Statement	LMK	Jefferson	34 min
Sep 24, 2:19 PM EDT	Severe Thunderstorm Warning	LMK	Green, Marion, Taylor	26 min
Sep 24, 2:21 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Oldham, Trimble	24 min
Sep 24, 2:26 PM EDT	Special Weather Statement	LMK	Fayette	34 min
Sep 24, 2:37 PM EDT	Special Weather Statement	LMK	Allen, Barren	38 min
Sep 24, 2:47 PM EDT	Special Weather Statement	LMK	Taylor	28 min
Sep 24, 2:54 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Barren	36 min
Sep 24, 2:55 PM EDT	Special Weather Statement	LMK	Jefferson	35 min
Sep 24, 3:04 PM EDT	Severe Thunderstorm Warning	LMK	Hardin, Hart, Larue	26 min
Sep 24, 3:07 PM EDT	Special Weather Statement	LMK	Casey	23 min
Sep 24, 3:27 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Metcalfe	33 min
Sep 24, 3:28 PM EDT	Special Weather Statement	LMK	Casey	32 min
Sep 24, 3:29 PM EDT	Severe Thunderstorm Warning	LMK	Larue, Nelson	17 min
Sep 24, 3:50 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	25 min
Sep 24, 3:54 PM EDT	Special Weather Statement	LMK	Spencer	36 min
Sep 24, 3:56 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Russell	34 min
Sep 24, 4:00 PM EDT	Special Weather Statement	LMK	Franklin	30 min
Sep 24, 4:08 PM EDT	Severe Thunderstorm Warning	LMK	Monroe	37 min
Sep 24, 4:11 PM EDT	Special Weather Statement	LMK	Franklin	34 min
Sep 24, 4:13 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln, Madison	32 min
Sep 24, 4:14 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Shelby, Spencer	31 min
Sep 24, 4:27 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln, Russell	33 min
Sep 24, 4:30 PM EDT	Special Weather Statement	LMK	Russell	30 min
Sep 24, 4:32 PM EDT	Special Weather Statement	LMK	Nelson	28 min
Sep 24, 4:39 PM EDT	Special Weather Statement	LMK	Madison	36 min
Sep 24, 4:40 PM EDT	Severe Thunderstorm Warning	LMK	Cumberland, Monroe	35 min
Sep 24, 4:42 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	33 min
Sep 24, 4:43 PM EDT	Special Weather Statement	LMK	Shelby	32 min
Sep 24, 4:47 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	28 min
Sep 24, 5:03 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	27 min
Sep 24, 5:04 PM EDT	Special Weather Statement	LMK	Franklin	26 min
Sep 24, 5:09 PM EDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland, Russell	19 min
Sep 24, 5:14 PM EDT	Tornado Warning	LMK	Clinton, Russell	13 min
Sep 24, 5:34 PM EDT	Special Weather Statement	LMK	Jefferson	26 min
Sep 24, 5:37 PM EDT	Special Weather Statement	LMK	Scott	23 min
Sep 24, 6:06 PM EDT	Special Weather Statement	LMK	Nicholas	24 min
Sep 24, 6:27 PM EDT	Special Weather Statement	LMK	Trimble	18 min
Sep 24, 12:54 PM EDT	Special Weather Statement	LMK	Harrison	36 min
Sep 24, 1:08 PM EDT	Severe Thunderstorm Warning	LMK	Floyd, Harrison	37 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2024 Every severe thunderstorm warning in 2024

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.