Alert archive / Indiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 178, NWS Louisville, KY

July 31, 2024Scott County, Washington County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 31, 2024, 2:29 PM EDT for Scott County, Washington County, Indiana. It was in force for 31 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 31, 2024, 2:29 PM EDT (18:29 UTC)
Expired: Jul 31, 2024, 3:00 PM EDT
In force: 31 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Scott County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 74 km from the middle of the area, began a volume at 18:31 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 31, 1:57 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.5 hours before the alert went out and 284 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: 2615 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

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 31, 1:39 PM EDT, 50 minutes earlier.

Area forecast discussion, Jul 31, 1:39 PM EDT, 50 minutes before

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Hazardous weather outlook, Jul 31, 10:49 AM EDT, 3 hours 40 minutes before

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In the hours before

Special weather statement, Jul 31, 8:43 AM EDT, 5 hours 46 minutes before

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Special weather statement, Jul 31, 10:05 AM EDT, 4 hours 24 minutes before

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Special weather statement, Jul 31, 1:40 PM EDT, 49 minutes before

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Special weather statement, Jul 31, 2:16 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 30, 8:24 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	36 min
Jul 30, 8:36 PM EDT	Special Weather Statement	LMK	Ohio	24 min
Jul 30, 9:01 PM EDT	Special Weather Statement	LMK	Butler, Grayson, Hardin	29 min
Jul 30, 9:31 PM EDT	Special Weather Statement	LMK	Larue	29 min
Jul 30, 9:58 PM EDT	Special Weather Statement	LMK	Adair, Barren, Green, Metcalfe, Taylor	47 min
Jul 30, 10:31 PM EDT	Special Weather Statement	LMK	Adair, Clinton, Cumberland, Monroe, Russell	44 min
Jul 31, 8:43 AM EDT	Special Weather Statement	LMK	Russell	47 min
Jul 31, 9:36 AM EDT	Areal Flood Advisory	LMK	Russell	114 min
Jul 31, 9:51 AM EDT	Flash Flood Warning	LMK	Russell	3 hr
Jul 31, 10:05 AM EDT	Special Weather Statement	LMK	Clinton	25 min
Jul 31, 10:36 AM EDT	Heat Advisory	LMK	Allen, Breckinridge, Butler, Edmonson, Grayson, Hancock and 4 more	9 hr
Jul 31, 2:57 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	33 min
Jul 31, 3:21 PM EDT	Special Weather Statement	LMK	Shelby, Spencer, Washington	24 min
Jul 31, 3:22 PM EDT	Areal Flood Advisory	LMK	Adair, Russell	3 hr
Jul 31, 3:33 PM EDT	Areal Flood Advisory	LMK	Jefferson, Oldham	3 hr
Jul 31, 3:40 PM EDT	Special Weather Statement	LMK	Bullitt, Jefferson, Nelson	35 min
Jul 31, 3:48 PM EDT	Areal Flood Advisory	LMK	Jefferson, Shelby	3 hr
Jul 31, 3:55 PM EDT	Flash Flood Warning	LMK	Jefferson, Oldham, Shelby	2 hr
Jul 31, 4:08 PM EDT	Areal Flood Advisory	LMK	Marion, Nelson, Washington	3 hr
Jul 31, 4:09 PM EDT	Severe Thunderstorm Warning	LMK	Trimble	36 min
Jul 31, 4:11 PM EDT	Flash Flood Warning	LMK	Adair, Russell	3 hr
Jul 31, 4:32 PM EDT	Special Weather Statement	LMK	Franklin, Woodford	28 min
Jul 31, 4:39 PM EDT	Severe Thunderstorm Warning	LMK	Fayette, Franklin, Scott, Woodford	36 min
Jul 31, 4:51 PM EDT	Special Weather Statement	LMK	Larue	24 min
Jul 31, 4:54 PM EDT	Special Weather Statement	LMK	Marion, Taylor	36 min
Jul 31, 5:02 PM EDT	Special Weather Statement	LMK	Fayette	28 min
Jul 31, 5:03 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue, Marion, Taylor	27 min
Jul 31, 5:06 PM EDT	Special Weather Statement	LMK	Jessamine, Madison	39 min
Jul 31, 5:26 PM EDT	Special Weather Statement	LMK	Adair, Casey, Green	34 min
Jul 31, 5:34 PM EDT	Special Weather Statement	LMK	Madison	26 min
Jul 31, 5:51 PM EDT	Special Weather Statement	LMK	Adair, Clinton, Cumberland, Russell	39 min
Jul 31, 7:51 PM EDT	Flash Flood Warning	LMK	Adair, Russell	6 hr
Jul 31, 1:40 PM EDT	Special Weather Statement	LMK	Washington	35 min
Jul 31, 2:16 PM EDT	Special Weather Statement	LMK	Scott	44 min
Jul 31, 2:44 PM EDT	Severe Thunderstorm Warning	LMK	Orange, Washington	31 min
Jul 31, 3:14 PM EDT	Special Weather Statement	LMK	Washington	31 min
Jul 31, 3:30 PM EDT	Special Weather Statement	LMK	Clark	30 min
Jul 31, 7:29 PM EDT	Special Weather Statement	LMK	Harrison	31 min
Jul 31, 7:46 PM EDT	Special Weather Statement	LMK	Harrison	29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 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.