Alert archive / Indiana / Tornado Warnings in 2021

Tornado Warning 2, NWS Indianapolis, IN

June 18, 2021Shelby County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jun 18, 2021, 7:56 PM EDT for Shelby County, Indiana. It was in force for 13 min. 5 reports 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 18, 2021, 7:56 PM EDT (23:56 UTC)
Expired: Jun 18, 2021, 8:09 PM EDT
In force: 13 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Shelby County, IN

The radar

The Indianapolis radar (KIND), 49 km from the middle of the area, began a volume at 23:58 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
Jun 18, 7:59 PM EDT	TSTM WND GST 68	3 Ese Fairland, IN
Jun 18, 8:00 PM EDT	TSTM WND DMG	3 Nne Fairland, IN	TIME ESTIMATED FROM RADAR. MATURE TREE SNAPPED AT BASE. FEW POWER LINES AND POLES BLOWN OVER. LARGE SEGMENT OF METAL BARN ROOF BLOWN OFF. SEVERAL BRANCHES BLOWN DOWN. 325W JUST SOUTH OF 800N.
Jun 18, 8:00 PM EDT	TSTM WND DMG	3 Nne Fairland, IN	TIME ESTIMATED FROM RADAR. TOP SEGMENT OF SLIO BLOWN OFF. 2582 WEST 800 NORTH.
Jun 18, 8:00 PM EDT	TSTM WND DMG	3 Ssw Fountaintown, IN	TIME ESTIMATED FROM RADAR. TOP HALF OF TREE SNAPPED OFF. ANOTHER TREE UPROOTED AND INTO BARN DOOR. 1377 WEST 900 NORTH.
Jun 18, 8:00 PM EDT	TSTM WND DMG	3 Sw Fountaintown, IN	TIME ESTIMATED FROM RADAR. LARGER TREE UPROOTED, SMALLER TREE SNAPPED. 1949W 900N.

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

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 12:00Z, 11.9 hours before the alert went out and 166 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1560 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

104 
WFUS53 KIND 182356
TORIND
INC145-190030-
/O.NEW.KIND.TO.W.0002.210618T2356Z-210619T0030Z/

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

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Northeastern Shelby County in central Indiana...

* Until 830 PM EDT.
    
* At 756 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Shelbyville, moving southeast at 30 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
  northeastern Shelby County.

This includes Interstate 74 between mile markers 107 and 116.
 
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 3951 8572 3961 8587 3970 8579 3965 8563
      3961 8563
TIME...MOT...LOC 2356Z 299DEG 25KT 3961 8575 

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

$$

TDUD

1 follow-up statement

563 
WWUS53 KIND 190009
SVSIND

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

INC145-190019-
/O.CAN.KIND.TO.W.0002.000000T0000Z-210619T0030Z/
Shelby IN-
809 PM EDT Fri Jun 18 2021

...THE TORNADO WARNING FOR NORTHEASTERN SHELBY COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
moved out of the warned area. Therefore, the warning has been 
cancelled.

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

LAT...LON 3951 8572 3961 8587 3970 8579 3965 8563
      3961 8563
TIME...MOT...LOC 0009Z 299DEG 25KT 3956 8564 

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 9:38 AM EDT	Special Weather Statement	IND	Henry	37 min
Jun 18, 2:10 PM EDT	Special Weather Statement	IND	Carroll	35 min
Jun 18, 2:48 PM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Clay, Decatur, Delaware and 21 more	19 hr
Jun 18, 3:27 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	33 min
Jun 18, 4:26 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	34 min
Jun 18, 5:04 PM EDT	Severe Thunderstorm Warning	IND	Randolph	26 min
Jun 18, 6:42 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Marion	33 min
Jun 18, 6:53 PM EDT	Severe Thunderstorm Warning	IND	Randolph	37 min
Jun 18, 6:55 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam	50 min
Jun 18, 7:15 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison, Marion, Rush	60 min
Jun 18, 7:31 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Marion, Rush, Shelby	44 min
Jun 18, 7:45 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan, Owen	45 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.