Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Indianapolis, IN

July 29, 2021Randolph County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 29, 2021, 7:22 AM EDT for Randolph County, Indiana. It was in force for 23 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 29, 2021, 7:22 AM EDT (11:22 UTC)
Expired: Jul 29, 2021, 7:45 AM EDT
In force: 23 min
Issued by: NWS Indianapolis, IN

County Randolph County, IN

The radar

The Indianapolis radar (KIND), 105 km from the middle of the area, began a volume at 11:26 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.4 hours before the alert went out and 132 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: 1533 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1165 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

795 
WWUS83 KIND 291122
SPSIND

Special Weather Statement
National Weather Service Indianapolis IN
722 AM EDT Thu Jul 29 2021

INZ041-042-049-291145-
Randolph-Henry-Delaware-
722 AM EDT Thu Jul 29 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
DELAWARE...RANDOLPH AND NORTHEASTERN HENRY COUNTIES...

At 721 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Fort Recovery to 6 miles south of
Muncie. Movement was southeast at 45 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Muncie, Winchester, Union City, Parker City, Farmland, Lynn, Selma,
Ridgeville, Mooreland, Saratoga, Losantville, Modoc, Blountsville,
Summit Lake State Park and Prairie Creek Reservoir.

This includes Interstate 70 near mile marker 133.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4000 8520 3988 8520 3987 8522 3984 8522
      4013 8545 4031 8508 4031 8480 4001 8481
TIME...MOT...LOC 1121Z 305DEG 38KT 4036 8484 4011 8535 

$$

KH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 3:36 AM EDT	Heat Advisory	IND	Brown, Clay, Daviess, Fountain, Greene, Jackson and 13 more	16 hr
Jul 29, 4:19 PM EDT	Special Weather Statement	IND	Clinton	26 min
Jul 29, 5:01 PM EDT	Special Weather Statement	IND	Henry	44 min
Jul 29, 6:01 PM EDT	Special Weather Statement	IND	Rush	29 min
Jul 29, 6:13 PM EDT	Severe Thunderstorm Warning	IND	Rush	28 min
Jul 29, 7:43 PM EDT	Special Weather Statement	IND	Shelby	32 min
Jul 29, 7:52 PM EDT	Special Weather Statement	IND	Decatur	23 min

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.