Alert archive / Indiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 115, NWS Indianapolis, IN

June 29, 20246 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 29, 2024, 3:59 PM EDT for 6 counties in Indiana. It was in force for 46 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
Jun 29, 2024, 3:59 PM EDT (19:59 UTC)
Expired
Jun 29, 2024, 4:45 PM EDT
In force
46 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Damage threat
Considerable
Hail
0.75 in
Wind
70.0 mph

Counties Hancock County, IN, Hendricks County, IN, Johnson County, IN, Marion County, IN, Morgan County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 15 km from the middle of the area, began a volume at 20:00 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 12:00Z, 8.0 hours before the alert went out and 218 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, Lincoln, IL at 12:00Z on 2024-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1512 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, Lincoln, IL at 12:00Z on 2024-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.19395878Sfc1 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
1512 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.9
Supercell composite
9.9

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 Jun 29, 3:43 PM EDT, 16 minutes earlier.

Area forecast discussion, Jun 29, 3:43 PM EDT, 16 minutes before
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Hazardous weather outlook, Jun 29, 2:59 AM EDT, 13 hours before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
259 AM EDT Sat Jun 29 2024

INZ021-028>031-035>049-051>057-060>065-067>072-300700-
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-
259 AM EDT Sat Jun 29 2024

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

There is a chance of thunderstorms today. A few storms could produce
strong to severe wind gusts this afternoon, but the severe threat
will be isolated. Lightning is a threat from any storm.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are possible Tuesday through Saturday. The threat of
severe storms is low, but isolated damaging wind gusts cannot be
ruled out during this period. Lightning is a threat from any storm.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is unlikely.

&&

This product in graphical format...along with other weather...
hydrological and climate information...at:

http://www.weather.gov/erh/ghwo?wfo=ind
http://www.weather.gov/ind

In the hours before

Special weather statement, Jun 29, 2:52 PM EDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
252 PM EDT Sat Jun 29 2024

INZ043>045-051-052-291930-
Clay IN-Putnam IN-Parke IN-Vermillion IN-Vigo IN-
252 PM EDT Sat Jun 29 2024

...A strong thunderstorm will impact portions of northern Vigo,
northwestern Clay, southern Parke, southwestern Vermillion and west
central Putnam Counties through 330 PM EDT...

At 252 PM EDT, Doppler radar was tracking a strong thunderstorm near
Vermilion, or 9 miles northwest of Terre Haute, moving east at 35
mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Terre Haute, Brazil, Clinton, West Terre Haute, Seelyville,
Knightsville, Rosedale, Harmony, Staunton, Carbon, Universal, Center
Point, Fontanet, Shepardsville, Lena, Bridgeton, North Terre Haute,
Indiana State University, and Sandford.

This includes Interstate 70 between mile markers 4 and 5, and between
mile markers 9 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3966 8753 3972 8698 3937 8705 3946 8753
TIME...MOT...LOC 1852Z 265DEG 29KT 3958 8748

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

ME
Special weather statement, Jun 29, 3:20 PM EDT, 39 minutes before
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Local storm report, Jun 29, 3:25 PM EDT, 34 minutes before
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Local storm report, Jun 29, 3:26 PM EDT, 33 minutes before
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Local storm report, Jun 29, 3:50 PM EDT, 9 minutes before
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Local storm report, Jun 29, 3:55 PM EDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:09 PM EDTSpecial Weather StatementINDFountain36 min
Jun 29, 2:45 PM EDTSpecial Weather StatementINDMontgomery45 min
Jun 29, 2:52 PM EDTSpecial Weather StatementINDClay38 min
Jun 29, 3:03 PM EDTSevere Thunderstorm WarningINDBoone, Hendricks, Montgomery, Parke, Putnam42 min
Jun 29, 3:20 PM EDTSpecial Weather StatementINDPutnam25 min
Jun 29, 3:26 PM EDTSevere Thunderstorm Warning Considerable damage threatINDBoone, Hendricks, Marion, Montgomery, Morgan, Putnam49 min
Jun 29, 4:26 PM EDTAreal Flood AdvisoryINDFountain, Hendricks, Marion, Montgomery, Parke, Putnam3 hr
Jun 29, 4:41 PM EDTSevere Thunderstorm Warning Considerable damage threatINDBartholomew, Decatur, Hancock, Henry, Johnson, Rush and 1 more49 min
Jun 29, 7:49 PM EDTSpecial Weather StatementINDWarren26 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2024Every severe thunderstorm warning in 2024

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.