Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Indianapolis, IN

June 29, 20214 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 29, 2021, 7:28 PM EDT for 4 counties in Indiana. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 29, 2021, 7:28 PM EDT (23:28 UTC)
Expired
Jun 29, 2021, 8:00 PM EDT
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bartholomew County, IN, Brown County, IN, Jackson County, IN, Jennings County, IN

The radar

The Indianapolis radar (KIND), 69 km from the middle of the area, began a volume at 23:30 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.

What was reported inside it

TimeReportWhereRemark
Jun 29, 7:40 PM EDTTSTM WND DMGJonesville, INSEVERAL REPORTS OF DOWNED TREES IN SOUTHEASTERN BARTHOLOMEW COUNTY. ONE WAS NOTED AS BEING NEAR THE INTERSECTION OF COUNTY ROAD 950S AND STATE ROAD 11. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 hours before the alert went out and 188 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 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1541 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 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
1541 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

191 
WUUS53 KIND 292328
SVRIND
INC005-013-071-079-300000-
/O.NEW.KIND.SV.W.0044.210629T2328Z-210630T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
728 PM EDT Tue Jun 29 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Brown County in south central Indiana...
  Bartholomew County in central Indiana...
  Northern Jackson County in south central Indiana...
  Northwestern Jennings County in southeastern Indiana...

* Until 800 PM EDT.

* At 728 PM EDT, a severe thunderstorm was located 7 miles north of
  Seymour, moving north at 20 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Azalia around 735 PM EDT.
  Elizabethtown around 745 PM EDT.

Other locations in the path of this severe thunderstorm include
Columbus and Newbern.

This includes Interstate 65 between mile markers 50 and 71.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3924 8620 3925 8569 3920 8569 3897 8576
      3894 8620
TIME...MOT...LOC 2328Z 178DEG 17KT 3905 8588 

HAIL...0.75IN
WIND...60MPH
 
$$

Puma
2 follow-up statements
433 
WWUS53 KIND 292343
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
743 PM EDT Tue Jun 29 2021

INC005-013-071-079-300000-
/O.CON.KIND.SV.W.0044.000000T0000Z-210630T0000Z/
Brown IN-Bartholomew IN-Jackson IN-Jennings IN-
743 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN BROWN...BARTHOLOMEW...NORTHERN JACKSON AND
NORTHWESTERN JENNINGS COUNTIES...

At 742 PM EDT, a severe thunderstorm was located 9 miles northwest of
Seymour, moving north at 20 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
southeastern Brown, Bartholomew, northern Jackson and northwestern
Jennings Counties.

This includes Interstate 65 between mile markers 50 and 71.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3924 8620 3925 8569 3920 8569 3897 8576
      3894 8620
TIME...MOT...LOC 2342Z 182DEG 16KT 3907 8599 

HAIL...0.75IN
WIND...60MPH
 
$$

Puma
788 
WWUS53 KIND 292357
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
757 PM EDT Tue Jun 29 2021

INC005-013-071-079-300006-
/O.EXP.KIND.SV.W.0044.000000T0000Z-210630T0000Z/
Brown IN-Bartholomew IN-Jackson IN-Jennings IN-
757 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROWN...
BARTHOLOMEW...NORTHERN JACKSON AND NORTHWESTERN JENNINGS COUNTIES
WILL EXPIRE AT 800 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3924 8620 3925 8569 3920 8569 3897 8576
      3894 8620
TIME...MOT...LOC 2356Z 178DEG 17KT 3910 8599 

$$

Puma

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 9:20 PM EDTSpecial Weather StatementINDWarren40 min
Jun 28, 10:02 PM EDTSpecial Weather StatementINDWarren28 min
Jun 29, 2:10 PM EDTSpecial Weather StatementINDWarren35 min
Jun 29, 7:01 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Jackson, Jennings29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.