Alert archive / Indiana / Tornado Warnings in 2021

Tornado Warning 4, NWS Indianapolis, IN

June 18, 2021Brown County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jun 18, 2021, 9:10 PM EDT for Brown County, Indiana. It was in force for 20 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 18, 2021, 9:10 PM EDT (01:10 UTC)
Expired: Jun 18, 2021, 9:30 PM EDT
In force: 20 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Brown County, IN

The radar

The Indianapolis radar (KIND), 63 km from the middle of the area, began a volume at 01:12 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 18, 6:23 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.2 hours before the alert went out and 207 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: 2257 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 17.6

Open this sounding in Storm Lab

The text

As transmitted.

013 
WFUS53 KIND 190110
TORIND
INC013-190130-
/O.NEW.KIND.TO.W.0004.210619T0110Z-210619T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
910 PM EDT Fri Jun 18 2021

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Southeastern Brown County in south central Indiana...

* Until 930 PM EDT.
    
* At 909 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Nashville, or 15 miles west of Columbus, moving
  southeast at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Stone Head around 925 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3915 8628 3920 8624 3917 8608 3915 8608
      3907 8613
TIME...MOT...LOC 0109Z 295DEG 11KT 3917 8620 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TDUD

2 follow-up statements

685 
WWUS53 KIND 190118
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
918 PM EDT Fri Jun 18 2021

INC013-190130-
/O.CON.KIND.TO.W.0004.000000T0000Z-210619T0130Z/
Brown IN-
918 PM EDT Fri Jun 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
SOUTHEASTERN BROWN COUNTY...
    
At 918 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Nashville, or 14 miles west of Columbus, moving
southeast at 15 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Brown County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3914 8624 3919 8621 3917 8608 3915 8608
      3907 8613
TIME...MOT...LOC 0118Z 306DEG 12KT 3915 8617 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TDUD

177 
WWUS53 KIND 190125
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
925 PM EDT Fri Jun 18 2021

INC013-190134-
/O.EXP.KIND.TO.W.0004.000000T0000Z-210619T0130Z/
Brown IN-
925 PM EDT Fri Jun 18 2021

...THE TORNADO WARNING FOR SOUTHEASTERN BROWN COUNTY WILL EXPIRE AT
930 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 200 AM EDT for
central and south central Indiana.

LAT...LON 3914 8624 3919 8621 3917 8608 3915 8608
      3907 8613
TIME...MOT...LOC 0124Z 295DEG 11KT 3914 8615 

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 8:08 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings, Rush, Shelby	52 min
Jun 18, 8:17 PM EDT	Areal Flood Warning	IND	Rush	3 hr
Jun 18, 8:18 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan	27 min
Jun 18, 8:45 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown	45 min
Jun 18, 8:49 PM EDT	Areal Flood Warning	IND	Decatur	3 hr
Jun 18, 8:59 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	20 min
Jun 18, 9:07 PM EDT	Severe Thunderstorm Warning	IND	Morgan, Owen	27 min
Jun 18, 9:23 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Morgan	23 min
Jun 18, 9:29 PM EDT	Severe Thunderstorm Warning	IND	Monroe, Owen	46 min
Jun 18, 9:32 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson	43 min
Jun 18, 9:45 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Johnson, Shelby	20 min
Jun 18, 9:58 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Vigo	47 min
Jun 18, 10:11 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Jennings	49 min
Jun 18, 10:23 PM EDT	Flash Flood Warning	IND	Brown, Clay, Monroe, Morgan, Owen	5 hr
Jun 18, 10:42 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Monroe, Owen, Sullivan, Vigo	63 min
Jun 18, 10:55 PM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings	5 hr
Jun 18, 11:03 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Lawrence, Monroe	42 min
Jun 18, 11:25 PM EDT	Flash Flood Warning	IND	Brown, Clay, Greene, Monroe, Owen	5 hr
Jun 19, 12:01 AM EDT	Severe Thunderstorm Warning	IND	Randolph	14 min
Jun 19, 12:33 AM EDT	Severe Thunderstorm Warning	IND	Owen	27 min
Jun 19, 1:02 AM EDT	Severe Thunderstorm Warning	IND	Clay, Vigo	43 min
Jun 19, 2:01 AM EDT	Flash Flood Warning	IND	Clay, Vigo	4 hr
Jun 19, 2:16 AM EDT	Areal Flood Advisory	IND	Hendricks, Johnson, Marion, Morgan	3 hr
Jun 19, 2:57 AM EDT	Flash Flood Warning	IND	Decatur, Rush, Shelby	3 hr
Jun 19, 3:19 AM EDT	Flash Flood Warning Considerable damage threat	IND	Clay, Owen	9 hr
Jun 19, 3:45 AM EDT	Severe Thunderstorm Warning	IND	Monroe, Owen	19 min
Jun 19, 4:32 AM EDT	Flash Flood Warning	IND	Clay, Greene, Monroe, Owen	7 hr
Jun 19, 4:49 AM EDT	Flash Flood Warning	IND	Clay, Fountain, Montgomery, Parke, Putnam, Vermillion and 1 more	4 hr
Jun 19, 5:15 AM EDT	Flash Flood Warning	IND	Hendricks, Johnson, Marion, Morgan	4 hr
Jun 19, 5:50 AM EDT	Flash Flood Warning Considerable damage threat	IND	Brown, Johnson, Monroe, Morgan, Owen	6 hr
Jun 19, 6:01 AM EDT	Flash Flood Warning Considerable damage threat	IND	Clay, Sullivan, Vigo	6 hr
Jun 19, 6:07 AM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Lawrence, Martin, Monroe, Owen	38 min
Jun 19, 6:42 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	4 hr
Jun 19, 6:45 AM EDT	Special Weather Statement	IND	Brown, Daviess, Jackson, Jennings, Knox, Lawrence and 1 more	45 min
Jun 19, 7:17 AM EDT	Flash Flood Warning	IND	Bartholomew, Decatur, Johnson, Rush, Shelby	3 hr
Jun 19, 10:08 AM EDT	Flash Flood Watch	IND	Bartholomew, Brown, Clay, Decatur, Greene, Jackson and 5 more	4 hr
Jun 19, 10:29 AM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more	6 hr
Jun 19, 10:41 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings	2 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Clay, Greene	25 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Greene, Monroe, Owen	42 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	5 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Jackson, Jennings, Washington	26 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew	41 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	5 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew, Jackson	42 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew, Johnson, Shelby	3 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Knox, Sullivan	48 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Knox, Sullivan	41 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	6 days
Jun 19, 11:24 AM EDT	Special Weather Statement	IND	Daviess, Lawrence, Martin	66 min
Jun 19, 11:52 AM EDT	Areal Flood Warning	IND	Brown, Clay, Greene, Johnson, Lawrence, Monroe and 6 more	25 hr
Jun 19, 12:42 PM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings, Lawrence	24 hr
Jun 19, 4:36 PM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more	20 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Johnson	24 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Decatur	18 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Bartholomew	27 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Marion	11 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Bartholomew	11 hr

Nearby

Tornado Warnings in Indiana, 2021 Every tornado warning in 2021 Tornadoes 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.