Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 47, NWS Indianapolis, IN

July 8, 2021Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 8, 2021, 3:42 PM EDT for Jennings County, Indiana. It was in force for 48 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: Jul 8, 2021, 3:42 PM EDT (19:42 UTC)
Expired: Jul 8, 2021, 4:30 PM EDT
In force: 48 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Jennings County, IN

The radar

The Indianapolis radar (KIND), 101 km from the middle of the area, began a volume at 19:46 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

Time	Report	Where	Remark
Jul 8, 4:33 PM EDT	HAIL 0.75	2 Sw North Vernon, IN

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, 7.7 hours before the alert went out and 162 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: 187 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 768 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

110 
WUUS53 KIND 081942
SVRIND
INC079-082030-
/O.NEW.KIND.SV.W.0047.210708T1942Z-210708T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
342 PM EDT Thu Jul 8 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Central Jennings County in southeastern Indiana...

* Until 430 PM EDT.

* At 342 PM EDT, a severe thunderstorm was located near North Vernon,
  or 13 miles northeast of Seymour, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  North Vernon, Vernon, Country Squire Lakes, Butlerville and
  Nebraska.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3904 8577 3912 8570 3908 8544 3895 8544
      3891 8547 3891 8554 3888 8554 3888 8557
TIME...MOT...LOC 1942Z 297DEG 14KT 3906 8568 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Beachler

1 follow-up statement

975 
WWUS53 KIND 081956
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
356 PM EDT Thu Jul 8 2021

INC079-082030-
/O.CON.KIND.SV.W.0047.000000T0000Z-210708T2030Z/
Jennings IN-
356 PM EDT Thu Jul 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHEASTERN JENNINGS COUNTY...

At 355 PM EDT, a severe thunderstorm was located over North Vernon,
or 15 miles east of Seymour, moving southeast at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
North Vernon, Vernon and Butlerville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Indianapolis.

&&

LAT...LON 3901 8570 3907 8565 3905 8546 3895 8544
      3891 8547 3891 8554 3888 8554 3888 8557
TIME...MOT...LOC 1955Z 299DEG 14KT 3903 8562 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Beachler

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 5:18 AM EDT	Special Weather Statement	IND	Clinton, Tippecanoe	42 min
Jul 8, 5:26 AM EDT	Special Weather Statement	IND	Warren	49 min
Jul 8, 5:46 AM EDT	Areal Flood Advisory	IND	Tippecanoe, Warren	3 hr
Jul 8, 12:10 PM EDT	Special Weather Statement	IND	Hancock	35 min
Jul 8, 12:40 PM EDT	Special Weather Statement	IND	Rush	50 min
Jul 8, 12:54 PM EDT	Severe Thunderstorm Warning	IND	Rush	36 min
Jul 8, 1:28 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	32 min
Jul 8, 1:51 PM EDT	Special Weather Statement	IND	Putnam	54 min
Jul 8, 2:21 PM EDT	Areal Flood Advisory	IND	Decatur	3 hr
Jul 8, 2:30 PM EDT	Special Weather Statement	IND	Hendricks, Morgan	45 min
Jul 8, 2:58 PM EDT	Special Weather Statement	IND	Johnson, Marion	47 min
Jul 8, 3:00 PM EDT	Flash Flood Warning	IND	Decatur	3 hr
Jul 8, 4:32 PM EDT	Special Weather Statement	IND	Brown, Monroe	28 min
Jul 8, 4:34 PM EDT	Special Weather Statement	IND	Jennings	26 min
Jul 8, 4:54 PM EDT	Severe Thunderstorm Warning	IND	Lawrence, Martin	21 min
Jul 8, 4:58 PM EDT	Special Weather Statement	IND	Jackson	32 min
Jul 8, 5:18 PM EDT	Special Weather Statement	IND	Henry	27 min
Jul 8, 5:22 PM EDT	Special Weather Statement	IND	Jackson	23 min
Jul 8, 5:49 PM EDT	Special Weather Statement	IND	Jackson	26 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021 Every 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.