Alert archive / Indiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 111, NWS Indianapolis, IN

July 2, 2023Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 2, 2023, 6:23 PM EDT for Knox County, Indiana. It was in force for 22 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 2, 2023, 6:23 PM EDT (22:23 UTC)
Expired: Jul 2, 2023, 6:45 PM EDT
In force: 22 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Knox County, IN

The radar

The Evansville,IN radar (KVWX), 55 km from the middle of the area, began a volume at 22:22 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 2, 2:05 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 192 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: 275 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 643 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 2, 6:05 PM EDT, 18 minutes earlier.

Area forecast discussion, Jul 2, 6:05 PM EDT, 18 minutes before

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Hazardous weather outlook, Jul 2, 3:11 PM EDT, 3 hours 12 minutes before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
311 PM EDT Sun Jul 2 2023

INZ021-028>031-035>049-051>057-060>065-067>072-031915-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
Including the cities of Delphi, Flora, Williamsport, West Lebanon,
Lafayette, West Lafayette, Frankfort, Kokomo, Attica, Covington,
Veedersburg, Crawfordsville, Lebanon, Zionsville, Tipton, Fishers,
Carmel, Noblesville, Anderson, Muncie, Winchester, Union City,
Farmland, Parker City, Clinton, Fairview Park, Rockville, Montezuma,
Rosedale, Greencastle, Plainfield, Brownsburg, Danville,
Indianapolis, Greenfield, New Castle, Terre Haute, Brazil, Spencer,
Gosport, Martinsville, Mooresville, Greenwood, Franklin,
Shelbyville, Rushville, Sullivan, Carlisle, Shelburn, Farmersburg,
Linton, Bloomfield, Jasonville, Worthington, Bloomington, Nashville,
Columbus, Greensburg, Vincennes, Washington, Loogootee, Shoals,
Bedford, Mitchell, Seymour, and North Vernon
311 PM EDT Sun Jul 2 2023

This hazardous weather outlook is for central Indiana.

.DAY ONE...Through Tonight.

Thunderstorms expected through the early evening hours with the
potential for large hail and damaging winds.

Storm motion will be from the southwest at around 40 mph.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Storms will return Wednesday afternoon through Thursday night as a
frontal boundary moves through the region.

.SPOTTER INFORMATION STATEMENT...

Spotter reports will be appreciated today and tonight.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

In the hours before

Local storm report, Jul 2, 5:37 PM EDT, 46 minutes before

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Special weather statement, Jul 2, 5:39 PM EDT, 44 minutes before

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Local storm report, Jul 2, 5:49 PM EDT, 34 minutes before

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Local storm report, Jul 2, 6:01 PM EDT, 22 minutes before

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Special weather statement, Jul 2, 6:06 PM EDT, 17 minutes before

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Local storm report, Jul 2, 6:19 PM 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
Jul 1, 8:04 PM EDT	Special Weather Statement	IND	Clay	26 min
Jul 1, 8:30 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Parke, Putnam	30 min
Jul 1, 8:43 PM EDT	Severe Thunderstorm Warning	IND	Lawrence, Martin	32 min
Jul 1, 8:53 PM EDT	Special Weather Statement	IND	Hendricks	37 min
Jul 1, 9:04 PM EDT	Areal Flood Warning	IND	Clay, Putnam	3 hr
Jul 1, 9:10 PM EDT	Special Weather Statement	IND	Jackson	35 min
Jul 1, 9:33 PM EDT	Special Weather Statement	IND	Marion	27 min
Jul 1, 9:45 PM EDT	Special Weather Statement	IND	Jennings	30 min
Jul 1, 10:19 PM EDT	Special Weather Statement	IND	Hancock, Rush, Shelby	41 min
Jul 2, 3:10 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam	35 min
Jul 2, 3:20 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion, Morgan	25 min
Jul 2, 3:39 PM EDT	Special Weather Statement	IND	Randolph	36 min
Jul 2, 3:44 PM EDT	Special Weather Statement	IND	Marion	46 min
Jul 2, 3:46 PM EDT	Special Weather Statement	IND	Owen	29 min
Jul 2, 3:50 PM EDT	Special Weather Statement	IND	Lawrence	40 min
Jul 2, 3:51 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Johnson, Marion, Morgan, Shelby	24 min
Jul 2, 4:08 PM EDT	Special Weather Statement	IND	Johnson, Monroe, Morgan	37 min
Jul 2, 4:11 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan	34 min
Jul 2, 4:12 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Henry, Johnson, Madison, Marion and 2 more	33 min
Jul 2, 4:22 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Jackson, Jennings	38 min
Jul 2, 4:26 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Shelby	34 min
Jul 2, 4:39 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Hancock, Henry, Madison, Rush, Shelby	51 min
Jul 2, 4:44 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Bartholomew, Johnson, Rush, Shelby	31 min
Jul 2, 4:58 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	47 min
Jul 2, 5:12 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Jennings, Rush	33 min
Jul 2, 5:14 PM EDT	Special Weather Statement	IND	Bartholomew, Brown	31 min
Jul 2, 5:35 PM EDT	Special Weather Statement	IND	Jackson	25 min
Jul 2, 5:39 PM EDT	Special Weather Statement	IND	Randolph	36 min
Jul 2, 6:06 PM EDT	Special Weather Statement	IND	Knox	39 min
Jul 2, 6:44 PM EDT	Special Weather Statement	IND	Daviess	31 min
Jul 2, 6:46 PM EDT	Special Weather Statement	IND	Monroe	29 min
Jul 2, 6:52 PM EDT	Severe Thunderstorm Warning	IND	Monroe	38 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.