Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Indianapolis, IN

June 27, 2021Hancock County, Johnson County, Shelby County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jun 27, 2021, 4:01 PM EDT for Hancock County, Johnson County, Shelby County, Indiana. It was in force for 29 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
Jun 27, 2021, 4:01 PM EDT (20:01 UTC)
Expired
Jun 27, 2021, 4:30 PM EDT
In force
29 min
Issued by
NWS Indianapolis, IN

Counties Hancock County, IN, Johnson County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 34 km from the middle of the area, began a volume at 20:02 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 12:00Z, 8.0 hours before the alert went out and 181 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, Cncnati-Daytn, OH at 12:00Z on 2021-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -74 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-74 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

995 
WWUS83 KIND 272001
SPSIND

Special Weather Statement
National Weather Service Indianapolis IN
401 PM EDT Sun Jun 27 2021

INZ047-048-055-056-272030-
Johnson-Shelby-Hancock-Marion-
401 PM EDT Sun Jun 27 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN SHELBY...HANCOCK...
NORTHEASTERN JOHNSON AND SOUTHEASTERN MARION COUNTIES...

At 401 PM EDT, a strong thunderstorm was located 7 miles east of
Greenwood, or 11 miles northwest of Shelbyville, moving northeast at
40 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Indianapolis, Shelbyville, Greenwood, Franklin, Greenfield, Beech
Grove, Southport, New Whiteland, Cumberland, Whiteland, New
Palestine, Morristown, Fairland, Spring Lake and Boggstown.

This includes the following highways...
 Interstate 65 between mile markers 91 and 105.
 Interstate 70 between mile markers 97 and 110.
 Interstate 74 between mile markers 93 and 114.

LAT...LON 3947 8613 3968 8612 3994 8571 3979 8563
      3955 8563
TIME...MOT...LOC 2001Z 245DEG 37KT 3961 8598 

$$

AU/CP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:21 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Vermillion, Warren24 min
Jun 26, 8:42 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Tippecanoe, Warren48 min
Jun 26, 9:13 PM EDTSpecial Weather StatementINDCarroll32 min
Jun 26, 9:37 PM EDTSpecial Weather StatementINDHoward23 min
Jun 26, 9:56 PM EDTSpecial Weather StatementINDMontgomery34 min
Jun 26, 10:43 PM EDTSpecial Weather StatementINDClinton32 min
Jun 26, 11:15 PM EDTSpecial Weather StatementINDBoone30 min
Jun 27, 2:51 PM EDTSpecial Weather StatementINDMorgan24 min
Jun 27, 3:17 PM EDTSpecial Weather StatementINDHendricks, Marion, Morgan28 min
Jun 27, 3:45 PM EDTSpecial Weather StatementINDMarion30 min
Jun 27, 4:26 PM EDTSpecial Weather StatementINDVigo34 min
Jun 27, 4:32 PM EDTSpecial Weather StatementINDRush, Shelby43 min
Jun 27, 4:53 PM EDTSevere Thunderstorm WarningINDRush37 min
Jun 27, 6:20 PM EDTSpecial Weather StatementINDClinton25 min
Jun 27, 6:48 PM EDTSpecial Weather StatementINDCarroll27 min
Jun 27, 7:20 PM EDTSpecial Weather StatementINDTippecanoe25 min
Jun 27, 7:46 PM EDTSpecial Weather StatementINDCarroll, Tippecanoe29 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.