Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 325, NWS Indianapolis, IN

August 16, 20268 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 16, 2026, 5:08 PM EDT for 8 counties in Indiana. It was in force for 52 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: Aug 16, 2026, 5:08 PM EDT (21:08 UTC)
Expired: Aug 16, 2026, 6:00 PM EDT
In force: 52 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clay County, IN, Hendricks County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 47 km from the middle of the area, began a volume at 21:11 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
Aug 16, 4:48 PM EDT	Severe Thunderstorm Watch	SPC	2 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.1 hours before the alert went out and 167 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: 543 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 966 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 16, 3:41 PM EDT, 1 hour 27 minutes earlier.

Area forecast discussion, Aug 16, 3:41 PM EDT, 1 hour 27 minutes before

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Hazardous weather outlook, Aug 16, 3:00 PM EDT, 2 hours 8 minutes before

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In the hours before

Special weather statement, Aug 16, 4:52 PM EDT, 16 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
Aug 15, 8:16 PM EDT	Areal Flood Warning	IND	Fountain, Montgomery, Tippecanoe, Vermillion, Warren	14 hr
Aug 16, 1:15 AM EDT	Special Weather Statement	IND	Hamilton	60 min
Aug 16, 1:56 AM EDT	Special Weather Statement	IND	Henry, Rush	49 min
Aug 16, 2:29 AM EDT	Flash Flood Warning	IND	Rush	5 hr
Aug 16, 10:25 AM EDT	Areal Flood Warning	IND	Delaware, Henry, Randolph	3 hr
Aug 16, 4:40 PM EDT	Severe Thunderstorm Warning	IND	Clay, Fountain, Parke, Vermillion, Vigo	35 min
Aug 16, 4:52 PM EDT	Special Weather Statement	IND	Marion	23 min
Aug 16, 4:58 PM EDT	River Flood Warning	IND	Delaware, Randolph	50 hr
Aug 16, 5:45 PM EDT	Special Weather Statement	IND	Brown, Johnson, Monroe, Morgan	45 min
Aug 16, 6:07 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings, Johnson and 1 more	38 min
Aug 16, 6:28 PM EDT	Special Weather Statement	IND	Jackson	32 min
Aug 16, 6:38 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings	32 min
Aug 16, 7:01 PM EDT	Areal Flood Warning	IND	Rush, Shelby	4 hr

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.