Alert archive / Kentucky / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 93, NWS Louisville, KY

May 9, 2024Logan County, Simpson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 9, 2024, 12:41 AM CDT for Logan County, Simpson County, Kentucky. It was in force for 34 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: May 9, 2024, 12:41 AM CDT (05:41 UTC)
Expired: May 9, 2024, 1:15 AM CDT
In force: 34 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Logan County, KY, Simpson County, KY

The radar

The Ft Campbell radar (KHPX), 50 km from the middle of the area, began a volume at 05:45 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

Little Rock, AR (KLZK), launched 00:00Z, 5.7 hours before the alert went out and 364 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: 3301 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 746 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 13.7

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 May 9, 12:25 AM CDT, 16 minutes earlier.

Area forecast discussion, May 9, 12:25 AM CDT, 16 minutes before

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Hazardous weather outlook, May 8, 11:04 PM CDT, 1 hour 37 minutes before

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In the hours before

Special weather statement, May 8, 10:03 PM CDT, 2 hours 38 minutes before

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Local storm report, May 8, 10:13 PM CDT, 2 hours 28 minutes before

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Local storm report, May 8, 10:15 PM CDT, 2 hours 26 minutes before

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Special weather statement, May 8, 10:32 PM CDT, 2 hours 9 minutes before

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Special weather statement, May 9, 12:03 AM CDT, 38 minutes before

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Special weather statement, May 9, 12:32 AM 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
May 8, 7:33 PM CDT	Severe Thunderstorm Warning	LMK	Barren, Edmonson, Grayson, Hart, Metcalfe, Warren	27 min
May 8, 7:42 PM CDT	Special Weather Statement	LMK	Logan	33 min
May 8, 7:52 PM CDT	Special Weather Statement	LMK	Barren, Green, Hart, Metcalfe	23 min
May 8, 8:07 PM CDT	Special Weather Statement	LMK	Simpson	23 min
May 8, 8:19 PM CDT	Areal Flood Advisory	LMK	Adair, Barren, Edmonson, Green, Hart, Metcalfe and 1 more	8 hr
May 8, 8:19 PM CDT	Special Weather Statement	LMK	Adair, Cumberland, Metcalfe	26 min
May 8, 8:30 PM CDT	Special Weather Statement	LMK	Allen	30 min
May 8, 8:39 PM CDT	River Flood Warning	LMK	Warren	43 hr
May 8, 8:41 PM CDT	River Flood Warning	LMK	Ohio	55 hr
May 8, 9:42 PM CDT	Flash Flood Warning	LMK	Allen, Barren, Logan, Monroe, Simpson, Warren	10 hr
May 8, 10:03 PM CDT	Special Weather Statement	LMK	Ohio	27 min
May 8, 10:32 PM CDT	Special Weather Statement	LMK	Breckinridge, Edmonson, Grayson, Hardin, Larue, Ohio	28 min
May 8, 10:35 PM CDT	River Flood Warning	LMK	Butler, Warren	4 days
May 9, 12:03 AM CDT	Special Weather Statement	LMK	Butler	27 min
May 9, 12:32 AM CDT	Special Weather Statement	LMK	Logan, Simpson	43 min
May 9, 1:11 AM CDT	Special Weather Statement	LMK	Simpson	34 min
May 9, 1:34 AM CDT	Special Weather Statement	LMK	Allen, Monroe	41 min
May 9, 2:24 AM CDT	Special Weather Statement	LMK	Clinton, Cumberland	36 min
May 9, 7:11 AM CDT	Areal Flood Warning	LMK	Allen, Logan, Monroe, Simpson	3 hr
May 9, 10:14 AM CDT	Areal Flood Warning	LMK	Simpson	6 hr
May 9, 10:42 AM CDT	River Flood Warning	LMK	Edmonson	53 hr
May 9, 10:45 AM CDT	River Flood Advisory	LMK	Warren	38 hr
May 9, 11:12 AM CDT	River Flood Warning	LMK	Butler, Muhlenberg, Ohio	5 days
May 9, 12:54 PM CDT	Areal Flood Warning	LMK	Allen	3 hr
May 8, 9:01 PM CDT	Special Weather Statement	LMK	Dubois	29 min
May 8, 9:03 PM CDT	Special Weather Statement	LMK	Dubois	12 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.