Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 148, NWS Indianapolis, IN

May 5, 2026Boone County, Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 5, 2026, 1:02 AM EDT for Boone County, Hamilton County, Marion County, Indiana. It was in force for 24 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 5, 2026, 1:02 AM EDT (05:02 UTC)
Expired: May 5, 2026, 1:26 AM EDT
In force: 24 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Boone County, IN, Hamilton County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 29 km from the middle of the area, began a volume at 05:04 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

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 204 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: 731 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1674 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.8

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 Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 5, 12:25 AM EDT, 37 minutes earlier.

Area forecast discussion, May 5, 12:25 AM EDT, 37 minutes before

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Hazardous weather outlook, May 4, 3:40 PM EDT, 9 hours 22 minutes before

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In the hours before

Special weather statement, May 5, 12:27 AM EDT, 35 minutes before

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Special weather statement, May 5, 12:33 AM EDT, 29 minutes before

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Special weather statement, May 5, 12:58 AM EDT, 4 minutes before

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The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 5, 12:27 AM EDT	Special Weather Statement	IND	Vigo	18 min
May 5, 12:33 AM EDT	Special Weather Statement	IND	Boone	27 min
May 5, 12:58 AM EDT	Special Weather Statement	IND	Hamilton	32 min
May 5, 1:51 AM EDT	Special Weather Statement	IND	Parke	24 min
May 5, 2:21 AM EDT	Areal Flood Advisory	IND	Parke, Vermillion	3 hr
May 5, 12:26 PM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days

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.