Alert archive / Indiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 171, NWS Indianapolis, IN

July 24, 2023Delaware County, Henry County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 24, 2023, 5:34 PM EDT for Delaware County, Henry County, Madison County, Indiana. It was in force for 26 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 24, 2023, 5:34 PM EDT (21:34 UTC)
Expired
Jul 24, 2023, 6:00 PM EDT
In force
26 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Delaware County, IN, Henry County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 21:36 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.

IssuedProductOfficeLasted
Jul 24, 3:37 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 164 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2023-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 793 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2023-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
793 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 Jul 24, 5:08 PM EDT, 26 minutes earlier.

Area forecast discussion, Jul 24, 5:08 PM EDT, 26 minutes before
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Hazardous weather outlook, Jul 24, 2:11 PM EDT, 3 hours 23 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
211 PM EDT Mon Jul 24 2023

INZ021-028>031-035>049-051>057-060>065-067>072-251815-
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
211 PM EDT Mon Jul 24 2023

This hazardous weather outlook is for central Indiana.

.DAY ONE...Through Tonight.

Isolated to scattered thunderstorms are expected at times through
the evening. An few strong to severe storms possible, especially
across the southern and eastern portions of the forecast area.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Isolated to scattered thunderstorms are expected at times through
this week. Strong to severe storms may return Wednesday night. Peak
afternoon heat index values will approach the upper 90s to around
100 degrees at times from mid week into the early weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any severe weather observed later
today and to monitor future forecast updates regarding Wednesday's
thunderstorm chances.

&&

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 24, 4:50 PM EDT, 44 minutes before
Preliminary Local Storm Report
National Weather Service Indianapolis IN
450 PM EDT Mon Jul 24 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0437 PM     Hail             1 SSE Mccordsville      39.89N 85.92W
07/24/2023  E1.50 inch       Hancock            IN   Amateur Radio

&&

BH
Local storm report, Jul 24, 4:51 PM EDT, 43 minutes before
Preliminary Local Storm Report
National Weather Service Indianapolis IN
451 PM EDT Mon Jul 24 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0448 PM     Hail             Greenfield              39.79N 85.77W
07/24/2023  E0.75 inch       Hancock            IN   Trained Spotter

&&

BH
Local storm report, Jul 24, 4:59 PM EDT, 35 minutes before
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Local storm report, Jul 24, 5:07 PM EDT, 27 minutes before
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Local storm report, Jul 24, 5:19 PM EDT, 15 minutes before
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Local storm report, Jul 24, 5:28 PM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 8:33 PM EDTSpecial Weather StatementINDDecatur42 min
Jul 24, 12:39 AM EDTSpecial Weather StatementINDJennings36 min
Jul 24, 2:45 AM EDTSpecial Weather StatementINDVigo45 min
Jul 24, 2:53 AM EDTSpecial Weather StatementINDOwen37 min
Jul 24, 2:57 AM EDTSevere Thunderstorm WarningINDSullivan, Vigo48 min
Jul 24, 3:05 AM EDTSevere Thunderstorm WarningINDMorgan, Owen, Putnam25 min
Jul 24, 3:42 PM EDTSpecial Weather StatementINDJennings33 min
Jul 24, 3:53 PM EDTSpecial Weather StatementINDHancock37 min
Jul 24, 4:15 PM EDTSpecial Weather StatementINDJennings30 min
Jul 24, 4:18 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Madison, Marion27 min
Jul 24, 4:31 PM EDTSpecial Weather StatementINDDelaware29 min
Jul 24, 4:37 PM EDTSevere Thunderstorm WarningINDHancock23 min
Jul 24, 4:41 PM EDTSpecial Weather StatementINDDecatur34 min
Jul 24, 4:45 PM EDTSpecial Weather StatementINDPutnam30 min
Jul 24, 4:52 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph23 min
Jul 24, 4:57 PM EDTSevere Thunderstorm WarningINDHancock, Marion, Shelby16 min
Jul 24, 5:06 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur24 min
Jul 24, 5:09 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph36 min
Jul 24, 5:30 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Jennings45 min
Jul 24, 5:53 PM EDTSpecial Weather StatementINDBartholomew37 min
Jul 24, 6:04 PM EDTSevere Thunderstorm WarningINDBartholomew26 min
Jul 24, 6:07 PM EDTAreal Flood AdvisoryINDDelaware, Henry2 hr
Jul 24, 6:20 PM EDTSpecial Weather StatementINDRush25 min
Jul 24, 6:24 PM EDTSevere Thunderstorm WarningINDBartholomew, Jackson, Jennings25 min
Jul 24, 6:47 PM EDTSpecial Weather StatementINDBartholomew28 min
Jul 24, 7:02 PM EDTSpecial Weather StatementINDJackson28 min
Jul 24, 7:11 PM EDTSpecial Weather StatementINDShelby34 min
Jul 24, 7:29 PM EDTSpecial Weather StatementINDJackson31 min
Jul 24, 7:58 PM EDTSpecial Weather StatementINDMorgan32 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2023Every 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.