Tornado Warning 20, NWS Chicago, IL

Issued

Jun 26, 2021, 4:41 PM CDT (21:41 UTC)

Expired

Jun 26, 2021, 5:15 PM CDT

In force

34 min

Issued by

NWS Chicago, IL

Area

Storm-based polygon

Tornado

Radar indicated

Hail

0.0 in

County Kankakee County, IL

The Chicago radar (KLOT), 50 km from the middle of the area, began a volume at 21:44 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.

762 
WFUS53 KLOT 262141
TORLOT
ILC091-262215-
/O.NEW.KLOT.TO.W.0020.210626T2141Z-210626T2215Z/

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

The National Weather Service in Chicago has issued a

* Tornado Warning for...
  Northwestern Kankakee County in northeastern Illinois...

* Until 515 PM CDT.

* At 441 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Limestone, or near Herscher, moving northeast 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.

* These dangerous storms will be near...
  Limestone around 445 PM CDT.
  Kankakee around 455 PM CDT.
  Bourbonnais and Bradley around 500 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Manteno and Grant Park.

This includes...  Olivet Nazarine University.
 
Including the following interstate...
 I-57 between mile markers 314 and 325.
 
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 4106 8803 4112 8809 4130 8789 4130 8753
      4129 8753
TIME...MOT...LOC 2141Z 235DEG 26KT 4111 8800 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Birk

407 
WWUS53 KLOT 262152
SVSLOT

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

ILC091-262215-
/O.CON.KLOT.TO.W.0020.000000T0000Z-210626T2215Z/
Kankakee IL-
452 PM CDT Sat Jun 26 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHEASTERN KANKAKEE COUNTY...

At 452 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Bourbonnais, moving northeast at 45 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.

Locations impacted include...
  Grant Park.

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 4108 8798 4116 8802 4130 8789 4130 8753
      4129 8753
TIME...MOT...LOC 2152Z 239DEG 38KT 4115 8789 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Birk

301 
WWUS53 KLOT 262208
SVSLOT

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

ILC091-262217-
/O.EXP.KLOT.TO.W.0020.000000T0000Z-210626T2215Z/
Kankakee IL-
508 PM CDT Sat Jun 26 2021

...THE TORNADO WARNING FOR NORTHEASTERN KANKAKEE COUNTY WILL EXPIRE
AT 515 PM CDT...
                
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.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 700 PM CDT for northeastern
Illinois.

LAT...LON 4108 8798 4116 8802 4130 8789 4130 8753
      4129 8753
TIME...MOT...LOC 2207Z 234DEG 39KT 4124 8773 

$$

Birk

Tornado Warnings in Illinois, 2021Every tornado warning in 2021Tornadoes in 2021

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.