Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Indianapolis, IN

August 27, 2021Bartholomew County, Indiana

NWS Indianapolis, IN issued this special weather statement at Aug 27, 2021, 6:21 PM EDT for Bartholomew County, Indiana. It was in force for 24 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
Aug 27, 2021, 6:21 PM EDT (22:21 UTC)
Expired
Aug 27, 2021, 6:45 PM EDT
In force
24 min
Issued by
NWS Indianapolis, IN
Hail
0.50 in
Wind
40

County Bartholomew County, IN

The radar

The Indianapolis radar (KIND), 72 km from the middle of the area, began a volume at 22:08 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, 10.4 hours before the alert went out and 185 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 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
167 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

148 
WWUS83 KIND 272221
SPSIND

Special Weather Statement
National Weather Service Indianapolis IN
621 PM EDT Fri Aug 27 2021
 
INZ055-056-063-064-272245-
Johnson IN-Brown IN-Bartholomew IN-Shelby IN-
621 PM EDT Fri Aug 27 2021

...A strong thunderstorm will impact portions of southwestern Shelby,
southeastern Johnson, eastern Brown and Bartholomew Counties through
645 PM EDT...

At 621 PM EDT, Doppler radar was tracking a series strong 
thunderstorm over south central Indiana, moving north at 10 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Columbus, Franklin, Edinburgh, Hope, Flat Rock, Princes Lakes,
Elizabethtown, Clifford, Jonesville, Waymansville, Gnaw Bone,
Spurgeons Corner, Azalia, Stone Head, Story and Taylorsville.

This includes Interstate 65 between mile markers 57 and 87.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3905 8608 3906 8623 3947 8607 3941 8573
      3913 8577 3913 8580 3907 8580 3907 8582
      3906 8583 3906 8584 3904 8587 3904 8597
TIME...MOT...LOC 2221Z 182DEG 7KT 3919 8591 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

$$

AW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 5:49 PM EDTSpecial Weather StatementINDBartholomew26 min
Aug 27, 6:24 PM EDTAreal Flood WarningINDBartholomew, Brown, Jackson3 hr
Aug 27, 6:46 PM EDTSpecial Weather StatementINDRush29 min
Aug 27, 7:26 PM EDTAreal Flood WarningINDRush2 hr

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.