Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 33, NWS Louisville, KY

April 1, 2026Washington County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Apr 1, 2026, 2:57 PM EDT for Washington County, Indiana. It was in force for 33 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: Apr 1, 2026, 2:57 PM EDT (18:57 UTC)
Expired: Apr 1, 2026, 3:30 PM EDT
In force: 33 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Washington County, IN

The radar

The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 18:58 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.0 hours before the alert went out and 219 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: 125 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Apr 1, 1:57 PM EDT, 1 hour earlier.

Area forecast discussion, Apr 1, 1:57 PM EDT, 1 hour before

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Hazardous weather outlook, Apr 1, 4:46 AM EDT, 10 hours 11 minutes before

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In the hours before

Special weather statement, Apr 1, 2:08 PM EDT, 49 minutes before

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Special weather statement, Apr 1, 2:28 PM EDT, 29 minutes before

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Special weather statement, Apr 1, 2:45 PM EDT, 12 minutes before

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Special weather statement, Apr 1, 2:54 PM EDT, 3 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
Apr 1, 2:28 PM EDT	Special Weather Statement	LMK	Oldham	32 min
Apr 1, 3:59 PM EDT	Special Weather Statement	LMK	Anderson, Woodford	46 min
Apr 1, 4:07 PM EDT	Special Weather Statement	LMK	Shelby	38 min
Apr 1, 4:13 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham, Shelby, Spencer	32 min
Apr 1, 4:14 PM EDT	Severe Thunderstorm Warning	LMK	Trimble	31 min
Apr 1, 4:21 PM EDT	Special Weather Statement	LMK	Hardin	24 min
Apr 1, 4:30 PM EDT	Special Weather Statement	LMK	Fayette, Woodford	60 min
Apr 1, 4:33 PM EDT	Special Weather Statement	LMK	Shelby	42 min
Apr 1, 4:44 PM EDT	Special Weather Statement	LMK	Hart	31 min
Apr 1, 4:53 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart	22 min
Apr 1, 4:57 PM EDT	Special Weather Statement	LMK	Henry	18 min
Apr 1, 4:59 PM EDT	Special Weather Statement	LMK	Bullitt	46 min
Apr 1, 5:00 PM EDT	Special Weather Statement	LMK	Jefferson	45 min
Apr 1, 5:14 PM EDT	Special Weather Statement	LMK	Green	31 min
Apr 1, 5:23 PM EDT	Special Weather Statement	LMK	Bourbon	37 min
Apr 1, 5:30 PM EDT	Special Weather Statement	LMK	Scott, Woodford	45 min
Apr 1, 5:31 PM EDT	Special Weather Statement	LMK	Taylor	29 min
Apr 1, 5:35 PM EDT	Special Weather Statement	LMK	Spencer	25 min
Apr 1, 6:00 PM EDT	Special Weather Statement	LMK	Anderson, Spencer	30 min
Apr 1, 7:03 PM EDT	Special Weather Statement	LMK	Hardin	42 min
Apr 1, 7:07 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson	38 min
Apr 1, 7:44 PM EDT	Special Weather Statement	LMK	Nelson	46 min
Apr 1, 2:08 PM EDT	Special Weather Statement	LMK	Orange	52 min
Apr 1, 2:20 PM EDT	Severe Thunderstorm Warning	LMK	Orange	25 min
Apr 1, 2:45 PM EDT	Special Weather Statement	LMK	Washington	45 min
Apr 1, 2:54 PM EDT	Special Weather Statement	LMK	Dubois	36 min
Apr 1, 3:02 PM EDT	Special Weather Statement	LMK	Harrison	28 min
Apr 1, 3:22 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Jefferson, Scott, Washington	38 min
Apr 1, 3:27 PM EDT	Special Weather Statement	LMK	Crawford	33 min
Apr 1, 3:49 PM EDT	Special Weather Statement	LMK	Jefferson	26 min
Apr 1, 4:01 PM EDT	Special Weather Statement	LMK	Jefferson	29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 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.