Alert archive / Indiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 124, NWS Indianapolis, IN

July 16, 2023Johnson County, Marion County, Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 16, 2023, 8:53 PM EDT for Johnson County, Marion County, Shelby County, Indiana. It was in force for 18 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 16, 2023, 8:53 PM EDT (00:53 UTC)
Expired: Jul 16, 2023, 9:11 PM EDT
In force: 18 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Johnson County, IN, Marion County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 26 km from the middle of the area, began a volume at 00:57 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, 0.9 hours before the alert went out and 229 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: 910 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1324 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

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 Jul 16, 6:12 PM EDT, 2 hours 41 minutes earlier.

Area forecast discussion, Jul 16, 6:12 PM EDT, 2 hours 41 minutes before

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Hazardous weather outlook, Jul 16, 4:04 PM EDT, 4 hours 49 minutes before

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In the hours before

Local storm report, Jul 16, 7:47 PM EDT, 1 hour 6 minutes before

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Local storm report, Jul 16, 7:52 PM EDT, 1 hour 1 minute before

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Special weather statement, Jul 16, 8:16 PM EDT, 37 minutes before

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Special weather statement, Jul 16, 8:19 PM EDT, 34 minutes before

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Special weather statement, Jul 16, 8:25 PM EDT, 28 minutes before

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Local storm report, Jul 16, 8:41 PM EDT, 12 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
Jul 16, 8:16 PM EDT	Special Weather Statement	IND	Marion	29 min
Jul 16, 8:19 PM EDT	Special Weather Statement	IND	Hancock	26 min
Jul 16, 8:25 PM EDT	Special Weather Statement	IND	Marion	35 min
Jul 16, 8:30 PM EDT	Areal Flood Advisory	IND	Boone, Hamilton, Hancock, Marion	86 min
Jul 16, 9:38 PM EDT	Special Weather Statement	IND	Decatur	52 min
Jul 17, 4:10 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Vermillion, Warren	50 min
Jul 17, 4:37 PM EDT	Special Weather Statement	IND	Clinton	23 min
Jul 17, 4:41 PM EDT	Special Weather Statement	IND	Randolph	34 min
Jul 17, 4:51 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery	24 min
Jul 17, 4:55 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Montgomery, Tippecanoe	35 min
Jul 17, 5:18 PM EDT	Special Weather Statement	IND	Montgomery	27 min
Jul 17, 5:22 PM EDT	Special Weather Statement	IND	Delaware	23 min
Jul 17, 5:23 PM EDT	Special Weather Statement	IND	Boone, Hamilton	37 min
Jul 17, 5:28 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Montgomery, Putnam	47 min
Jul 17, 5:38 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton	41 min
Jul 17, 5:46 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	29 min
Jul 17, 5:51 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Marion	24 min
Jul 17, 5:58 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion, Warren	32 min
Jul 17, 6:11 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion, Morgan	34 min
Jul 17, 6:16 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion, Morgan	29 min
Jul 17, 6:16 PM EDT	Severe Thunderstorm Warning	IND	Randolph	44 min
Jul 17, 6:22 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Henry, Madison, Marion	23 min
Jul 17, 6:24 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Parke, Putnam	13 min
Jul 17, 6:27 PM EDT	Special Weather Statement	IND	Henry	33 min
Jul 17, 6:33 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Johnson, Marion, Morgan, Shelby	27 min
Jul 17, 6:49 PM EDT	Special Weather Statement	IND	Putnam	26 min
Jul 17, 6:53 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Shelby	37 min
Jul 17, 6:58 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Johnson, Marion, Morgan, Shelby	32 min
Jul 17, 7:06 PM EDT	Areal Flood Advisory	IND	Hendricks, Marion	3 hr
Jul 17, 7:08 PM EDT	Special Weather Statement	IND	Rush	37 min
Jul 17, 7:12 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Rush, Shelby	33 min
Jul 17, 7:21 PM EDT	Special Weather Statement	IND	Johnson, Shelby	24 min
Jul 17, 7:24 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Morgan, Shelby	36 min
Jul 17, 7:37 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush, Shelby	38 min
Jul 17, 7:42 PM EDT	Special Weather Statement	IND	Putnam	33 min
Jul 17, 7:48 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Johnson, Shelby	27 min
Jul 17, 7:58 PM EDT	Special Weather Statement	IND	Morgan	32 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2023 Every severe thunderstorm warning in 2023

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.