Alert archive / Indiana / Tornado Warnings in 2021

Tornado Warning 21, NWS Chicago, IL

June 26, 2021Lake County, Porter County, Indiana

NWS Chicago, IL issued this tornado warning at Jun 26, 2021, 5:19 PM CDT for Lake County, Porter County, Indiana. It was in force for 13 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 26, 2021, 5:19 PM CDT (22:19 UTC)
Expired: Jun 26, 2021, 5:32 PM CDT
In force: 13 min
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Lake County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 77 km from the middle of the area, began a volume at 22:18 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 26, 12:05 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.3 hours before the alert went out and 204 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: 683 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 684 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted.

757 
WFUS53 KLOT 262219
TORLOT
INC089-127-262245-
/O.NEW.KLOT.TO.W.0021.210626T2219Z-210626T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Chicago/Romeoville
519 PM CDT Sat Jun 26 2021

The National Weather Service in Chicago has issued a

* Tornado Warning for...
  Northern Porter County in northwestern Indiana...
  Northeastern Lake County in northwestern Indiana...

* Until 545 PM CDT.
    
* At 519 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Lake Station, moving northeast at 35 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...
  Chesterton and Burns Harbor around 530 PM CDT.
  Porter around 535 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Town of Pines and Beverly Shores.

This includes...  Indiana Dunes State Park.
 
Including the following interstates...
 Indiana I-80 between mile markers 13 and 16.
 Indiana I-90 between mile markers 18 and 24.
 Indiana I-94 between mile markers 16 and 32.

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 4155 8727 4162 8730 4162 8725 4164 8716
      4163 8716 4164 8715 4165 8715 4165 8712
      4171 8693 4163 8693
TIME...MOT...LOC 2219Z 241DEG 30KT 4159 8723 

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

$$

Kluber

2 follow-up statements

670 
WWUS53 KLOT 262227
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
527 PM CDT Sat Jun 26 2021

INC089-262236-
/O.CAN.KLOT.TO.W.0021.000000T0000Z-210626T2245Z/
Lake IN-
527 PM CDT Sat Jun 26 2021

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

A Tornado Watch remains in effect until 700 PM CDT for northwestern
Indiana.

LAT...LON 4164 8704 4159 8722 4163 8722 4163 8719
      4164 8716 4163 8716 4165 8714 4165 8712
      4168 8701
TIME...MOT...LOC 2226Z 239DEG 30KT 4163 8717 

$$

INC127-262245-
/O.CON.KLOT.TO.W.0021.000000T0000Z-210626T2245Z/
Porter IN-
527 PM CDT Sat Jun 26 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
NORTHWESTERN PORTER COUNTY...
    
At 526 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Ogden Dunes, moving northeast at 35 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.

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 4164 8704 4159 8722 4163 8722 4163 8719
      4164 8716 4163 8716 4165 8714 4165 8712
      4168 8701
TIME...MOT...LOC 2226Z 239DEG 30KT 4163 8717 

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

$$

Kluber

973 
WWUS53 KLOT 262232
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
532 PM CDT Sat Jun 26 2021

INC127-262242-
/O.CAN.KLOT.TO.W.0021.000000T0000Z-210626T2245Z/
Porter IN-
532 PM CDT Sat Jun 26 2021

...THE TORNADO WARNING FOR NORTHWESTERN PORTER COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area over 
Lake Michigan. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for northwestern
Indiana.

LAT...LON 4164 8704 4159 8722 4163 8722 4163 8719
      4164 8716 4163 8716 4165 8714 4165 8712
      4168 8701
TIME...MOT...LOC 2230Z 241DEG 30KT 4165 8711 

$$

Kluber

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 8:37 PM CDT	Areal Flood Advisory	LOT	Benton, Jasper, Lake, Newton, Porter	5 hr
Jun 26, 12:34 PM CDT	Severe Thunderstorm Warning	LOT	Lake	41 min
Jun 26, 1:26 PM CDT	Severe Thunderstorm Warning	LOT	Lake	34 min
Jun 26, 1:56 PM CDT	Special Weather Statement	LOT	Porter	34 min
Jun 26, 2:08 PM CDT	Tornado Warning Tornado observed	LOT	Lake	25 min
Jun 26, 2:27 PM CDT	Severe Thunderstorm Warning	LOT	Jasper, Lake, Newton, Porter	48 min
Jun 26, 2:43 PM CDT	Areal Flood Advisory	LOT	Jasper, Lake, Newton, Porter	6 hr
Jun 26, 3:50 PM CDT	Flash Flood Warning	LOT	Lake, Porter	6 hr
Jun 26, 3:57 PM CDT	Flash Flood Warning	LOT	Lake	6 hr
Jun 26, 4:26 PM CDT	River Flood Warning	LOT	Lake	28 hr
Jun 26, 4:26 PM CDT	Tornado Warning	LOT	Lake	34 min
Jun 26, 4:49 PM CDT	Severe Thunderstorm Warning	LOT	Newton	56 min
Jun 26, 5:21 PM CDT	Severe Thunderstorm Warning	LOT	Jasper, Lake, Newton, Porter	54 min
Jun 26, 5:44 PM CDT	Severe Thunderstorm Warning	LOT	Benton	76 min
Jun 26, 5:54 PM CDT	Areal Flood Advisory	LOT	Benton, Jasper, Newton	3 hr
Jun 26, 6:14 PM CDT	Severe Thunderstorm Warning	LOT	Benton, Jasper, Newton	76 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.