Alert archive / Indiana / Tornado Warnings in 2021

Tornado Warning 2, NWS Northern Indiana

June 18, 2021Jay County, Indiana

NWS Northern Indiana issued this tornado warning at Jun 18, 2021, 3:54 PM EDT for Jay County, Indiana. It was in force for 19 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 18, 2021, 3:54 PM EDT (19:54 UTC)
Expired
Jun 18, 2021, 4:13 PM EDT
In force
19 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Jay County, IN

The radar

The Northern Indiana radar (KIWX), 116 km from the middle of the area, began a volume at 19:54 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 18, 3:57 PM EDTTORNADO2 Ssw Trinity, INLARGE WEDGE TORNADO REPORTED ON THE GROUND MOVING ESE. APPROXIMATELY 200 YARDS WIDE.

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, 7.9 hours before the alert went out and 153 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 2021-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.193958Sfc1 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
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.

612 
WFUS53 KIWX 181954
TORIWX
INC075-182030-
/O.NEW.KIWX.TO.W.0002.210618T1954Z-210618T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
354 PM EDT Fri Jun 18 2021

The National Weather Service in Northern Indiana has issued a

* Tornado Warning for...
  Northeastern Jay County in east central Indiana...

* Until 430 PM EDT.
    
* At 353 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Geneva, or 8 miles northeast of Portland, moving
  east at 30 mph.

  HAZARD...Tornado and half dollar size hail.

  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 Jay County, including the following locations...
  Bryant, Trinity and Westchester.

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 in a mobile home, a
vehicle or outdoors, move to the closest substantial shelter and
protect yourself from flying debris.

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

&&

LAT...LON 4049 8497 4057 8497 4056 8480 4045 8480
TIME...MOT...LOC 1953Z 289DEG 28KT 4053 8489 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

MARSILI
2 follow-up statements
946 
WWUS53 KIWX 182000
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
400 PM EDT Fri Jun 18 2021

INC075-182030-
/O.CON.KIWX.TO.W.0002.000000T0000Z-210618T2030Z/
Jay IN-
400 PM EDT Fri Jun 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR
NORTHEASTERN JAY COUNTY...
    
At 400 PM EDT, a confirmed large and extremely dangerous tornado was
located 7 miles southeast of Geneva, or 8 miles northeast of
Portland, moving southeast at 25 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Westchester and Trinity. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A large and extremely dangerous tornado is on the ground. take
immediate tornado precautions. this is an emergency situation.

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

&&

LAT...LON 4048 8493 4055 8492 4056 8480 4045 8480
TIME...MOT...LOC 2000Z 293DEG 23KT 4051 8486 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.50IN

$$

MARSILI
345 
WWUS53 KIWX 182013
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
413 PM EDT Fri Jun 18 2021

INC075-182022-
/O.CAN.KIWX.TO.W.0002.000000T0000Z-210618T2030Z/
Jay IN-
413 PM EDT Fri Jun 18 2021

...THE TORNADO WARNING FOR NORTHEASTERN JAY COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

LAT...LON 4048 8493 4055 8492 4056 8480 4045 8480
TIME...MOT...LOC 2011Z 289DEG 28KT 4048 8474 

$$

MARSILI

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 5:53 AM EDTSpecial Marine WarningIWX82 min
Jun 18, 6:39 AM EDTSpecial Weather StatementIWXLaPorte, Saint Joseph66 min
Jun 18, 7:15 AM EDTSpecial Weather StatementIWXElkhart, LaGrange45 min
Jun 18, 7:56 AM EDTSpecial Weather StatementIWXDeKalb, Steuben64 min
Jun 18, 8:22 AM EDTSpecial Weather StatementIWXAdams, Allen, Wells53 min
Jun 18, 2:21 PM EDTSpecial Weather StatementIWXMiami24 min
Jun 18, 2:45 PM EDTSpecial Weather StatementIWXGrant, Miami45 min
Jun 18, 2:52 PM EDTSevere Thunderstorm WarningIWXGrant, Huntington, Miami, Wabash38 min
Jun 18, 3:28 PM EDTSevere Thunderstorm WarningIWXBlackford, Grant, Huntington, Wabash, Wells47 min
Jun 18, 3:34 PM EDTSevere Thunderstorm WarningIWXAdams, Jay, Wells41 min
Jun 18, 3:58 PM EDTSevere Thunderstorm WarningIWXBlackford, Jay47 min
Jun 18, 4:16 PM EDTSevere Thunderstorm WarningIWXJay13 min
Jun 18, 4:48 PM EDTSevere Thunderstorm WarningIWXJay18 min
Jun 18, 6:48 PM EDTSpecial Weather StatementIWXJay27 min

Nearby

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