Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Indianapolis, IN

July 24, 2021Carroll County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 24, 2021, 9:13 PM EDT for Carroll County, Indiana. It was in force for 32 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 24, 2021, 9:13 PM EDT (01:13 UTC)
Expired: Jul 24, 2021, 9:45 PM EDT
In force: 32 min
Issued by: NWS Indianapolis, IN

County Carroll County, IN

The radar

The Indianapolis radar (KIND), 109 km from the middle of the area, began a volume at 01:15 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, 1.2 hours before the alert went out and 157 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: 2275 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 13.1

Open this sounding in Storm Lab

The text

As transmitted.

712 
WWUS83 KIND 250113
SPSIND

Special Weather Statement
National Weather Service Indianapolis IN
913 PM EDT Sat Jul 24 2021

INZ021-028-029-250145-
Warren-Tippecanoe-Carroll-
913 PM EDT Sat Jul 24 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CARROLL...NORTHERN
TIPPECANOE AND NORTHERN WARREN COUNTIES...

At 912 PM EDT, radar indicated strong thunderstorms were located
along a line extending from 9 miles east of Monon to near Monticello
to 6 miles south of Remington to near Stockland. Movement was
southeast at 30 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Lafayette, West Lafayette, Delphi, Flora, Battle Ground, Camden, Pine
Village, Yeoman, Tab and Rainsville.

This includes Interstate 65 between mile markers 176 and 184.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4074 8653 4069 8652 4069 8637 4060 8637
      4052 8662 4044 8690 4034 8750 4041 8753
      4048 8752 4048 8709 4056 8709 4057 8677
      4066 8677 4068 8674 4068 8676 4074 8675
TIME...MOT...LOC 0112Z 328DEG 26KT 4086 8670 4076 8686 4068 8711 4066
8752

$$

50

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 9:36 PM EDT	Severe Thunderstorm Warning	IND	Warren	39 min
Jul 24, 9:46 PM EDT	Special Weather Statement	IND	Carroll	29 min
Jul 24, 10:00 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Warren	30 min
Jul 24, 10:20 PM EDT	Special Weather Statement	IND	Clinton, Howard	40 min
Jul 24, 11:22 PM EDT	Special Weather Statement	IND	Montgomery	23 min
Jul 25, 12:02 AM EDT	Special Weather Statement	IND	Parke	28 min
Jul 25, 12:23 AM EDT	Areal Flood Advisory	IND	Parke, Putnam, Vermillion	3 hr
Jul 25, 2:12 AM EDT	Areal Flood Advisory	IND	Clay, Vigo	3 hr

Nearby

Special Weather Statements in Indiana, 2021 Every special weather statement in 2021

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.