Alert archive / Indiana / Tornado Warnings in 2018

Tornado Warning 3, NWS Northern Indiana

July 20, 2018Kosciusko County, Wabash County, Whitley County, Indiana

NWS Northern Indiana issued this tornado warning at Jul 20, 2018, 2:36 PM EDT for Kosciusko County, Wabash County, Whitley County, Indiana. It was in force for 22 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
Jul 20, 2018, 2:36 PM EDT (18:36 UTC)
Expired
Jul 20, 2018, 2:58 PM EDT
In force
22 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Kosciusko County, IN, Wabash County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 34 km from the middle of the area, began a volume at 18:38 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.

IssuedProductOfficeLasted
Jul 20, 2:12 PM EDTTornado WatchSPC3 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.6 hours before the alert went out and 258 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, Lincoln, IL at 12:00Z on 2018-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 265 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, Lincoln, IL at 12:00Z on 2018-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 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
265 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
1579 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
343 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

129 
WFUS53 KIWX 201836
TORIWX
INC085-169-183-201915-
/O.NEW.KIWX.TO.W.0003.180720T1836Z-180720T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
236 PM EDT FRI JUL 20 2018

The National Weather Service in Northern Indiana  has issued a

* Tornado Warning for...
  Northwestern Wabash County in north central Indiana...
  Southwestern Whitley County in northeastern Indiana...
  Southeastern Kosciusko County in north central Indiana...

* Until 315 PM EDT.
    
* At 236 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near North Manchester, moving east at 35 mph.

  HAZARD...Tornado and quarter 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 dangerous storm will be near...
  South Whitley around 300 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Liberty Mills, Collamer, Sidney, Packerton and Larwill.

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 4100 8591 4107 8596 4119 8563 4106 8557
TIME...MOT...LOC 1836Z 249DEG 30KT 4105 8586 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MARSILI
2 follow-up statements
257 
WWUS53 KIWX 201844
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
244 PM EDT FRI JUL 20 2018

INC169-201853-
/O.CAN.KIWX.TO.W.0003.000000T0000Z-180720T1915Z/
Wabash IN-
244 PM EDT FRI JUL 20 2018

...THE TORNADO WARNING FOR NORTHWESTERN WABASH COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has exited the 
warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 PM EDT for north central
and northeastern Indiana.

LAT...LON 4110 8589 4119 8563 4106 8557 4104 8585
TIME...MOT...LOC 1843Z 246DEG 30KT 4110 8579 

$$

INC085-183-201915-
/O.CON.KIWX.TO.W.0003.000000T0000Z-180720T1915Z/
Whitley IN-Kosciusko IN-
244 PM EDT FRI JUL 20 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
SOUTHWESTERN WHITLEY AND SOUTHEASTERN KOSCIUSKO COUNTIES...
    
At 243 PM EDT, a severe thunderstorm capable of producing a tornado
was located near North Manchester, moving northeast at 35 mph.

HAZARD...Tornado and quarter 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 dangerous storm will be near...
  South Whitley around 255 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Collamer, Sidney, Packerton and Larwill.

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 4110 8589 4119 8563 4106 8557 4104 8585
TIME...MOT...LOC 1843Z 246DEG 30KT 4110 8579 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MARSILI
957 
WWUS53 KIWX 201858
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
258 PM EDT FRI JUL 20 2018

INC085-183-201907-
/O.CAN.KIWX.TO.W.0003.000000T0000Z-180720T1915Z/
Whitley IN-Kosciusko IN-
258 PM EDT FRI JUL 20 2018

...THE TORNADO WARNING FOR SOUTHWESTERN WHITLEY AND SOUTHEASTERN
KOSCIUSKO COUNTIES IS CANCELLED...
                
The circulation associated with the storm which prompted the warning 
has weakened and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled. However, strong 
thunderstorms continue over the area.

A Tornado Watch remains in effect until 600 PM EDT for north central
and northeastern Indiana.


LAT...LON 4110 8589 4119 8563 4106 8557 4104 8585
TIME...MOT...LOC 1856Z 249DEG 30KT 4114 8564 

$$

NWS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 3:28 AM EDTSmall Craft AdvisoryIWX12 hr
Jul 20, 8:46 AM EDTSpecial Weather StatementIWXKosciusko, Noble44 min
Jul 20, 9:21 AM EDTSpecial Weather StatementIWXBlackford, Grant, Huntington24 min
Jul 20, 9:29 AM EDTSpecial Weather StatementIWXLaGrange, Noble46 min
Jul 20, 9:53 AM EDTSpecial Weather StatementIWXAdams, Blackford, Jay, Wells37 min
Jul 20, 10:41 AM EDTSpecial Weather StatementIWXBlackford, Jay49 min
Jul 20, 12:53 PM EDTSpecial Weather StatementIWXPulaski37 min
Jul 20, 1:14 PM EDTSpecial Weather StatementIWXSaint Joseph46 min
Jul 20, 1:24 PM EDTSpecial Weather StatementIWXFulton, Marshall36 min
Jul 20, 1:34 PM EDTSevere Thunderstorm WarningIWXFulton, Marshall26 min
Jul 20, 1:52 PM EDTTornado WarningIWXMarshall23 min
Jul 20, 1:57 PM EDTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall48 min
Jul 20, 2:04 PM EDTSpecial Weather StatementIWXElkhart56 min
Jul 20, 2:24 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, LaGrange, Noble, Saint Joseph51 min
Jul 20, 2:52 PM EDTSpecial Weather StatementIWXNoble53 min
Jul 20, 3:00 PM EDTSevere Thunderstorm WarningIWXAllen, Huntington, Wabash, Whitley45 min
Jul 20, 3:11 PM EDTTornado WarningIWXHuntington, Wabash18 min
Jul 20, 3:40 PM EDTSevere Thunderstorm WarningIWXAdams, Blackford, Grant, Huntington, Jay, Wells50 min
Jul 20, 3:45 PM EDTSpecial Weather StatementIWXAllen, DeKalb45 min
Jul 20, 3:45 PM EDTTornado WarningIWXBlackford30 min
Jul 20, 4:07 PM EDTSevere Thunderstorm WarningIWXAdams, Allen, Wells38 min
Jul 20, 4:11 PM EDTAreal Flood AdvisoryIWXAllen, Huntington, Whitley3 hr
Jul 20, 4:19 PM EDTAreal Flood AdvisoryIWXBlackford, Grant, Wells3 hr
Jul 20, 4:23 PM EDTSpecial Weather StatementIWXWabash37 min
Jul 20, 4:26 PM EDTSpecial Weather StatementIWXJay34 min
Jul 20, 4:35 PM EDTSpecial Weather StatementIWXBlackford25 min
Jul 20, 5:10 PM EDTAreal Flood AdvisoryIWXBlackford, Jay4 hr

Nearby

Tornado Warnings in Indiana, 2018Every tornado warning in 2018Tornadoes in 2018

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.