Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 149, NWS Louisville, KY

July 21, 2026Oldham County, Trimble County, Kentucky; Clark County, Jefferson County, Scott County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 21, 2026, 2:44 PM EDT for Oldham County, Trimble County, Kentucky; Clark County, Jefferson County, Scott County, Indiana. It was in force for 35 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 21, 2026, 2:44 PM EDT (18:44 UTC)
Expired: Jul 21, 2026, 3:19 PM EDT
In force: 35 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Louisville radar (KLVX), 77 km from the middle of the area, began a volume at 18:45 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 21, 2:18 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 177 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: 956 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 883 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.9

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 21, 2:00 PM EDT, 44 minutes earlier.

Area forecast discussion, Jul 21, 2:00 PM EDT, 44 minutes before

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In the hours before

Special weather statement, Jul 21, 12:05 PM EDT, 2 hours 39 minutes before

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Special weather statement, Jul 21, 12:27 PM EDT, 2 hours 17 minutes before

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Special weather statement, Jul 21, 12:57 PM EDT, 1 hour 47 minutes before

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Special weather statement, Jul 21, 2:38 PM EDT, 6 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 21, 4:03 AM EDT	Flood Watch	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 28 more	19 hr
Jul 21, 12:27 PM EDT	Special Weather Statement	LMK	Oldham	33 min
Jul 21, 12:57 PM EDT	Special Weather Statement	LMK	Henry	48 min
Jul 21, 2:54 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	36 min
Jul 21, 3:03 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Meade	42 min
Jul 21, 3:10 PM EDT	Areal Flood Advisory	LMK	Jefferson	3 hr
Jul 21, 3:15 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Oldham, Shelby, Spencer	45 min
Jul 21, 3:26 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Jefferson, Meade, Nelson and 1 more	64 min
Jul 21, 3:30 PM EDT	Special Weather Statement	LMK	Henry	15 min
Jul 21, 3:34 PM EDT	Areal Flood Advisory	LMK	Oldham, Shelby	3 hr
Jul 21, 3:45 PM EDT	Severe Thunderstorm Warning	LMK	Meade	15 min
Jul 21, 3:50 PM EDT	Areal Flood Advisory	LMK	Meade	3 hr
Jul 21, 3:51 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Mercer, Nelson, Shelby, Spencer and 2 more	54 min
Jul 21, 3:52 PM EDT	Tornado Warning	LMK	Harrison, Scott	24 min
Jul 21, 3:57 PM EDT	Special Weather Statement	LMK	Franklin, Scott	33 min
Jul 21, 3:58 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Shelby, Spencer	33 min
Jul 21, 3:59 PM EDT	Flash Flood Warning	LMK	Jefferson	3 hr
Jul 21, 4:02 PM EDT	Tornado Warning	LMK	Bullitt, Hardin, Meade	28 min
Jul 21, 4:06 PM EDT	Flash Flood Warning	LMK	Meade	3 hr
Jul 21, 4:09 PM EDT	Areal Flood Advisory	LMK	Bullitt, Hardin	3 hr
Jul 21, 4:11 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock	34 min
Jul 21, 4:14 PM EDT	Areal Flood Advisory	LMK	Franklin, Harrison, Scott	3 hr
Jul 21, 4:15 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge	15 min
Jul 21, 4:15 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson	30 min
Jul 21, 4:22 PM EDT	Special Weather Statement	LMK	Bourbon, Clark, Harrison, Nicholas, Scott	38 min
Jul 21, 4:23 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	22 min
Jul 21, 4:27 PM EDT	Areal Flood Advisory	LMK	Anderson, Larue, Nelson, Spencer, Woodford	3 hr
Jul 21, 4:30 PM EDT	Tornado Warning	LMK	Bullitt, Nelson	30 min
Jul 21, 4:31 PM EDT	Areal Flood Advisory	LMK	Bourbon, Fayette, Nicholas	3 hr
Jul 21, 4:38 PM EDT	Tornado Warning	LMK	Breckinridge, Grayson, Hardin	29 min
Jul 21, 4:40 PM EDT	Tornado Warning	LMK	Marion, Nelson, Washington	27 min
Jul 21, 4:42 PM EDT	Flash Flood Warning	LMK	Anderson	3 hr
Jul 21, 4:45 PM EDT	Areal Flood Advisory	LMK	Jessamine, Marion, Mercer, Washington	3 hr
Jul 21, 4:46 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LMK	Boyle, Green, Hardin, Hart, Larue, Marion and 3 more	44 min
Jul 21, 4:47 PM EDT	Areal Flood Advisory	LMK	Breckinridge, Grayson	3 hr
Jul 21, 4:51 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Clark, Fayette, Garrard, Jessamine, Madison and 3 more	24 min
Jul 21, 4:58 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Ohio, Warren	22 min
Jul 21, 5:01 PM EDT	Special Weather Statement	LMK	Bourbon, Nicholas	14 min
Jul 21, 5:03 PM EDT	Severe Thunderstorm Warning	LMK	Edmonson, Grayson, Hardin, Hart, Larue	57 min
Jul 21, 5:04 PM EDT	Flash Flood Warning	LMK	Breckinridge, Grayson, Hardin	3 hr
Jul 21, 5:07 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark	23 min
Jul 21, 5:12 PM EDT	Tornado Warning	LMK	Bourbon, Clark	18 min
Jul 21, 5:14 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Clark, Fayette, Garrard, Jessamine, Lincoln and 2 more	46 min
Jul 21, 5:17 PM EDT	Areal Flood Advisory	LMK	Butler, Ohio	3 hr
Jul 21, 5:18 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Grayson, Ohio	15 min
Jul 21, 5:20 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Boyle, Casey, Green, Hart, Larue and 3 more	40 min
Jul 21, 5:21 PM EDT	Areal Flood Advisory	LMK	Bourbon, Boyle, Clark, Garrard, Madison	3 hr
Jul 21, 5:21 PM EDT	Tornado Warning	LMK	Edmonson, Grayson, Hart	39 min
Jul 21, 5:28 PM EDT	Areal Flood Advisory	LMK	Casey, Green, Hart, Lincoln, Taylor	3 hr
Jul 21, 5:34 PM EDT	Flash Flood Warning	LMK	Bullitt, Hardin, Larue, Marion, Nelson	3 hr
Jul 21, 5:37 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Warren	23 min
Jul 21, 5:41 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Logan, Warren	34 min
Jul 21, 5:45 PM EDT	Tornado Warning Tornado observedConsiderable damage threat	LMK	Barren, Green, Hart, Metcalfe	45 min
Jul 21, 5:49 PM EDT	Tornado Warning	LMK	Butler, Logan	41 min
Jul 21, 5:52 PM EDT	Tornado Warning	LMK	Casey, Lincoln	20 min
Jul 21, 5:54 PM EDT	Flash Flood Warning	LMK	Boyle, Garrard, Mercer	3 hr
Jul 21, 5:57 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Clark, Garrard, Lincoln, Madison	18 min
Jul 21, 6:16 PM EDT	Tornado Warning	LMK	Adair, Green, Hart, Metcalfe	44 min
Jul 21, 6:20 PM EDT	Areal Flood Advisory	LMK	Edmonson, Logan, Warren	3 hr
Jul 21, 6:22 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Logan, Simpson, Warren	27 min
Jul 21, 6:25 PM EDT	Areal Flood Advisory	LMK	Adair, Barren, Metcalfe	3 hr
Jul 21, 6:31 PM EDT	Tornado Warning	LMK	Metcalfe	29 min
Jul 21, 6:48 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Warren	42 min
Jul 21, 6:53 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	52 min
Jul 21, 6:57 PM EDT	Areal Flood Warning	LMK	Bullitt, Jefferson, Oldham	3 hr
Jul 21, 6:58 PM EDT	Tornado Warning	LMK	Cumberland, Metcalfe, Monroe	47 min
Jul 21, 6:59 PM EDT	Areal Flood Warning	LMK	Breckinridge, Meade	3 hr
Jul 21, 7:18 PM EDT	Areal Flood Advisory	LMK	Allen, Clinton, Cumberland, Monroe	3 hr
Jul 21, 7:31 PM EDT	Severe Thunderstorm Warning	LMK	Logan, Simpson, Warren	32 min
Jul 21, 7:34 PM EDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland	41 min
Jul 21, 7:35 PM EDT	Areal Flood Warning	LMK	Anderson, Franklin, Mercer, Shelby, Spencer, Washington and 1 more	3 hr
Jul 21, 7:47 PM EDT	Severe Thunderstorm Warning	LMK	Allen	17 min
Jul 21, 7:48 PM EDT	Areal Flood Warning	LMK	Breckinridge, Bullitt, Butler, Grayson, Hancock, Hardin and 5 more	3 hr
Jul 21, 7:54 PM EDT	Severe Thunderstorm Warning	LMK	Cumberland, Metcalfe, Monroe	51 min
Jul 21, 7:58 PM EDT	Areal Flood Advisory	LMK	Logan, Simpson	3 hr
Jul 21, 12:05 PM EDT	Special Weather Statement	LMK	Clark	25 min
Jul 21, 2:10 PM EDT	Severe Thunderstorm Warning	LMK	Dubois, Orange	50 min
Jul 21, 2:10 PM EDT	Severe Thunderstorm Warning	LMK	Scott, Washington	35 min
Jul 21, 2:23 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Orange	36 min
Jul 21, 2:26 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Scott, Washington	34 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2026 Severe Thunderstorm Warnings in Kentucky, 2026 Every severe thunderstorm warning in 2026

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.