Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Indianapolis, IN

July 24, 2021Hendricks County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 24, 2021, 5:13 PM EDT for Hendricks 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, 5:13 PM EDT (21:13 UTC)
Expired
Jul 24, 2021, 5:45 PM EDT
In force
32 min
Issued by
NWS Indianapolis, IN

County Hendricks County, IN

The radar

The Indianapolis radar (KIND), 27 km from the middle of the area, began a volume at 21:16 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, 9.2 hours before the alert went out and 177 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 2021-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 553 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 2021-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939Sfc1 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
553 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

766 
WWUS83 KIND 242113
SPSIND

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

INZ045-046-054-242145-
Morgan-Putnam-Hendricks-
513 PM EDT Sat Jul 24 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN MORGAN...
HENDRICKS AND EASTERN PUTNAM COUNTIES...

At 513 PM EDT, radar indicated strong thunderstorms were located
along a line extending from 9 miles northwest of Danville to 8 miles
southeast of Greencastle. Movement was east at 25 mph.

Wind gusts up to 50 mph are possible with these storms.

Locations impacted include...
Plainfield, Brownsburg, Mooresville, Danville, Avon, Pittsboro,
Monrovia, Clayton, Fillmore, Coatesville, North Salem, Lizton, Amo,
Stilesville, Groveland, Belle Union, Lake Hart and Little Point.

This includes the following highways...
 Interstate 70 between mile markers 45 and 66.
 Interstate 74 between mile markers 55 and 69.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3987 8670 3987 8669 3992 8669 3992 8633
      3971 8635 3955 8640 3954 8679
TIME...MOT...LOC 2113Z 263DEG 21KT 3986 8664 3956 8672 

$$

50

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 4:37 PM EDTSpecial Weather StatementINDPutnam23 min
Jul 24, 4:51 PM EDTSpecial Weather StatementINDPutnam24 min

Nearby

Special Weather Statements in Indiana, 2021Every 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.