Alert archive / Indiana / Special Weather Statements in 2023

Special Weather Statement, NWS Indianapolis, IN

July 20, 2023Fountain County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 20, 2023, 2:39 PM EDT for Fountain County, Indiana. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 20, 2023, 2:39 PM EDT (18:39 UTC)
Expired: Jul 20, 2023, 3:15 PM EDT
In force: 36 min
Issued by: NWS Indianapolis, IN
Hail: 0.25 in
Wind: 30

County Fountain County, IN

The radar

The Indianapolis radar (KIND), 109 km from the middle of the area, began a volume at 18:39 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, 6.7 hours before the alert went out and 107 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: 1586 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 680 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 20, 1:29 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jul 20, 1:29 PM EDT, 1 hour 10 minutes before

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</head>
<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 20, 3:52 AM EDT, 10 hours 47 minutes before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
352 AM EDT Thu Jul 20 2023

INZ021-028>031-035>049-051>057-060>065-067>072-210800-
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
352 AM EDT Thu Jul 20 2023

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

There is a low chance of isolated thunderstorms through the morning
with the primary hazard being lightning.

A greater chance of thunderstorms exists this afternoon into early
evening across central Indiana. Severe storms are possible with
damaging wind gusts and hail up to quarter size. Storms will move
toward the east- southeast at around 40 mph.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Low thunderstorm chances return late Saturday and continue into
early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter reports may be needed this afternoon and evening.

&&

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

In the hours before

Special weather statement, Jul 20, 2:39 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
239 PM EDT Thu Jul 20 2023

INZ028-029-035-201915-
Fountain IN-Warren IN-Tippecanoe IN-
239 PM EDT Thu Jul 20 2023

...A strong thunderstorm will impact portions of northern Fountain,
western Tippecanoe and southwestern Warren Counties through 315 PM
EDT...

At 238 PM EDT, Doppler radar was tracking a strong thunderstorm near
Williamsport, or 15 miles northeast of Danville, moving east at 20
mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

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

This strong thunderstorm will be near...
  Williamsport around 250 PM EDT.

Other locations in the path of this storm include Veedersburg.

This includes Interstate 74 between mile markers 15 and 16.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4024 8750 4034 8746 4031 8704 4011 8724
TIME...MOT...LOC 1838Z 288DEG 16KT 4026 8738

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

Updike

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 2:42 PM EDT	Special Weather Statement	IND	Tippecanoe	33 min
Jul 20, 2:59 PM EDT	Severe Thunderstorm Warning	IND	Tippecanoe	31 min
Jul 20, 3:12 PM EDT	Special Weather Statement	IND	Vermillion	33 min
Jul 20, 3:29 PM EDT	Special Weather Statement	IND	Tippecanoe	31 min
Jul 20, 3:42 PM EDT	Special Weather Statement	IND	Parke	33 min
Jul 20, 4:04 PM EDT	Special Weather Statement	IND	Montgomery	26 min
Jul 20, 4:27 PM EDT	Special Weather Statement	IND	Clay	33 min
Jul 20, 4:42 PM EDT	Special Weather Statement	IND	Clay	33 min
Jul 20, 4:50 PM EDT	Special Weather Statement	IND	Boone	25 min
Jul 20, 5:15 PM EDT	Special Weather Statement	IND	Morgan	30 min
Jul 20, 5:39 PM EDT	Special Weather Statement	IND	Morgan	36 min

Nearby

Special Weather Statements in Indiana, 2023 Every special weather statement 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.