Alert archive / Illinois / Tornado Warnings in 2021

Tornado Warning 16, NWS Lincoln, IL

June 25, 2021DeWitt County, Macon County, Piatt County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 25, 2021, 5:58 PM CDT for DeWitt County, Macon County, Piatt County, Illinois. It was in force for 32 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 25, 2021, 5:58 PM CDT (22:58 UTC)
Expired: Jun 25, 2021, 6:30 PM CDT
In force: 32 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties DeWitt County, IL, Macon County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 50 km from the middle of the area, began a volume at 23:02 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 25, 6:05 PM CDT	TORNADO	2 Wnw Cisco, IL	MULTIPLE TOUCHDOWNS REPORTED BETWEEN ARGENTA AND CISCO BY PUBLIC SPOTTER NETWORK. REPORT RELAYED VIA SOCIAL MEDIA.

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 25, 5:06 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 19 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: 1244 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

239 
WFUS53 KILX 252258
TORILX
ILC039-115-147-252330-
/O.NEW.KILX.TO.W.0016.210625T2258Z-210625T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
558 PM CDT Fri Jun 25 2021

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  West central Piatt County in central Illinois...
  Southeastern De Witt County in central Illinois...
  Northeastern Macon County in central Illinois...

* Until 630 PM CDT.
    
* At 558 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Argenta, or 11 miles southeast of Clinton, moving
  northeast at 15 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...
  Weldon.

This includes Interstate 72 between mile markers 153 and 160.
 
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 3998 8879 4005 8888 4016 8876 4005 8862
TIME...MOT...LOC 2258Z 231DEG 15KT 4003 8882 

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

$$

Auten

2 follow-up statements

956 
WWUS53 KILX 252313
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
613 PM CDT Fri Jun 25 2021

ILC115-252323-
/O.CAN.KILX.TO.W.0016.000000T0000Z-210625T2330Z/
Macon-
613 PM CDT Fri Jun 25 2021

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

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
central Illinois.

LAT...LON 4002 8874 4014 8874 4005 8862
TIME...MOT...LOC 2313Z 235DEG 17KT 4007 8871 

$$

ILC039-147-252330-
/O.CON.KILX.TO.W.0016.000000T0000Z-210625T2330Z/
Piatt-De Witt-
613 PM CDT Fri Jun 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR WEST
CENTRAL PIATT AND EAST CENTRAL DE WITT COUNTIES...
    
At 613 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Weldon, or 8 miles northwest of Monticello, moving
northeast at 20 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
west central Piatt and east central De Witt Counties.

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 4002 8874 4014 8874 4005 8862
TIME...MOT...LOC 2313Z 235DEG 17KT 4007 8871 

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

$$

Auten

126 
WWUS53 KILX 252326
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
626 PM CDT Fri Jun 25 2021

ILC039-147-252336-
/O.EXP.KILX.TO.W.0016.000000T0000Z-210625T2330Z/
Piatt-De Witt-
626 PM CDT Fri Jun 25 2021

...THE TORNADO WARNING FOR WEST CENTRAL PIATT AND EAST CENTRAL DE
WITT COUNTIES WILL EXPIRE AT 630 PM CDT...
        
The storm which prompted the warning has weakened and has exited the 
warned area. Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
central Illinois.

LAT...LON 4002 8874 4014 8874 4005 8862
TIME...MOT...LOC 2326Z 231DEG 15KT 4010 8866 

$$

Auten

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:56 PM CDT	Special Weather Statement	ILX	Sangamon	49 min
Jun 24, 8:09 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	51 min
Jun 25, 12:33 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Schuyler, Scott	72 min
Jun 25, 1:21 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Mason, Menard, Morgan, Sangamon	42 min
Jun 25, 1:42 AM CDT	Flash Flood Warning	ILX	Knox, Marshall, Stark	6 hr
Jun 25, 2:52 PM CDT	Special Weather Statement	ILX	Lawrence	23 min
Jun 25, 5:42 PM CDT	Special Weather Statement	ILX	Piatt	33 min

Nearby

Tornado Warnings in Illinois, 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.