Alert archive / Illinois / Tornado Warnings in 2021

Tornado Warning 43, NWS Lincoln, IL

October 24, 2021Menard County, Sangamon County, Illinois

NWS Lincoln, IL issued this tornado warning at Oct 24, 2021, 6:38 PM CDT for Menard County, Sangamon County, Illinois. It was in force for 26 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
Oct 24, 2021, 6:38 PM CDT (23:38 UTC)
Expired
Oct 24, 2021, 7:04 PM CDT
In force
26 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Menard County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 46 km from the middle of the area, began a volume at 23:43 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
Oct 24, 7:04 PM CDTTSTM WND DMGSherman, ILTREE DOWN ON ROAD. TIME ESTIMATED.

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.

IssuedProductOfficeLasted
Oct 24, 5:44 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 200 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, Davenport, at 12:00Z on 2021-10-24Temperature 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, Davenport, at 12:00Z on 2021-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.1939587897Sfc1 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
972 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

415 
WFUS53 KILX 242338
TORILX
ILC129-167-250015-
/O.NEW.KILX.TO.W.0043.211024T2338Z-211025T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
638 PM CDT Sun Oct 24 2021

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southeastern Menard County in central Illinois...
  Northwestern Sangamon County in central Illinois...

* Until 715 PM CDT.
    
* At 638 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Pleasant Plains, or 13 miles northwest of
  Springfield, moving northeast at 50 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...
  Athens around 650 PM CDT.
  Sherman around 655 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Williamsville.

This includes Interstate 55 between mile markers 103 and 107.
 
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 3981 8996 3989 8998 4007 8959 3998 8959
      3988 8954
TIME...MOT...LOC 2338Z 247DEG 42KT 3988 8987 

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

$$

Shimon
3 follow-up statements
822 
WWUS53 KILX 242347 RRA
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
647 PM CDT Sun Oct 24 2021

ILC129-167-250015-
/O.CON.KILX.TO.W.0043.000000T0000Z-211025T0015Z/
Menard-Sangamon-
647 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
SOUTHEASTERN MENARD AND NORTHWESTERN SANGAMON COUNTIES...
    
At 647 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Athens, or 10 miles northwest of Springfield, moving
northeast at 50 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...
  Williamsville.

This includes Interstate 55 between mile markers 103 and 107.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3984 8982 3993 8989 4007 8959 3998 8959
      3988 8954
TIME...MOT...LOC 2347Z 247DEG 42KT 3992 8973 

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

$$

Shimon
518 
WWUS53 KILX 242357
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
657 PM CDT Sun Oct 24 2021

ILC129-167-250015-
/O.CON.KILX.TO.W.0043.000000T0000Z-211025T0015Z/
Menard-Sangamon-
657 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
SOUTHEASTERN MENARD AND NORTH CENTRAL SANGAMON COUNTIES...
    
At 657 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 3 miles northeast of Athens, or 13 miles north of 
Springfield, moving northeast at 40 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
southeastern Menard and north central Sangamon Counties, including
the following locations... Fancy Prairie and Cantrall.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3990 8969 3997 8975 4007 8959 3998 8959
      3993 8957
TIME...MOT...LOC 2357Z 240DEG 35KT 3997 8965 

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

$$

Shimon
313 
WWUS53 KILX 250004
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
704 PM CDT Sun Oct 24 2021

ILC129-167-250014-
/O.CAN.KILX.TO.W.0043.000000T0000Z-211025T0015Z/
Menard-Sangamon-
704 PM CDT Sun Oct 24 2021

...THE TORNADO WARNING FOR SOUTHEASTERN MENARD AND NORTH CENTRAL
SANGAMON COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.  However gusty winds are still possible with this
thunderstorm.

A Tornado Watch remains in effect until 100 AM CDT for central
Illinois.

LAT...LON 3990 8969 3997 8975 4007 8959 3998 8959
      3993 8957
TIME...MOT...LOC 0002Z 247DEG 42KT 4000 8955 

$$

Shimon

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 5:03 AM CDTFlash Flood WarningILXMorgan, Scott3 hr
Oct 24, 6:15 AM CDTFlood WatchILXMacon, Morgan, Sangamon, Scott20 hr
Oct 24, 10:08 AM CDTRiver Flood WarningILXPiatt8 days
Oct 24, 3:35 PM CDTSpecial Weather StatementILXFulton25 min
Oct 24, 4:00 PM CDTSpecial Weather StatementILXPeoria30 min
Oct 24, 5:00 PM CDTFlash Flood WarningILXFulton, Schuyler3 hr
Oct 24, 5:39 PM CDTSpecial Weather StatementILXMcLean51 min
Oct 24, 5:39 PM CDTSevere Thunderstorm WarningILXCass, Mason, Morgan, Sangamon, Schuyler, Scott51 min
Oct 24, 5:56 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon, Scott49 min
Oct 24, 6:06 PM CDTTornado WarningILXCass, Morgan, Scott24 min
Oct 24, 6:26 PM CDTSevere Thunderstorm WarningILXChampaign, McLean, Vermilion34 min
Oct 24, 6:28 PM CDTSevere Thunderstorm Warning Considerable damage threatILXCass, Mason, Menard, Morgan, Sangamon, Tazewell62 min
Oct 24, 6:37 PM CDTFlash Flood WarningILXCass, Morgan, Scott3 hr

Nearby

Tornado Warnings in Illinois, 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.