Alert archive / Illinois / Tornado Warnings in 2021

Tornado Warning 9, NWS Lincoln, IL

May 3, 2021Moultrie County, Illinois

NWS Lincoln, IL issued this tornado warning at May 3, 2021, 7:20 PM CDT for Moultrie County, Illinois. It was in force for 25 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: May 3, 2021, 7:20 PM CDT (00:20 UTC)
Expired: May 3, 2021, 7:45 PM CDT
In force: 25 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Moultrie County, IL

The radar

The Lincoln radar (KILX), 83 km from the middle of the area, began a volume at 00:21 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
May 3, 2:47 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.3 hours before the alert went out and 60 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: 758 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 843 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

429 
WFUS53 KILX 040020
TORILX
ILC139-040045-
/O.NEW.KILX.TO.W.0009.210504T0020Z-210504T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
720 PM CDT Mon May 3 2021

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Moultrie County in central Illinois...

* Until 745 PM CDT.
    
* At 720 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Bethany, or 10 miles northwest of Sullivan, moving
  southeast at 35 mph.

  HAZARD...Tornado and golf ball 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...
  Lovington around 730 PM CDT.
  Sullivan around 735 PM CDT.
  Allenville around 745 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Cadwell and Kirksville.

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 3949 8850 3957 8872 3958 8872 3958 8875
      3960 8881 3974 8881 3974 8875 3969 8848
TIME...MOT...LOC 0020Z 292DEG 31KT 3967 8878 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

37

2 follow-up statements

760 
WWUS53 KILX 040039
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
739 PM CDT Mon May 3 2021

ILC139-040045-
/O.CON.KILX.TO.W.0009.000000T0000Z-210504T0045Z/
Moultrie-
739 PM CDT Mon May 3 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHEASTERN MOULTRIE COUNTY...
    
At 738 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Sullivan, moving east at 35 mph.

HAZARD...Tornado and half dollar 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Moultrie County, including the following locations...
Cadwell.

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 3949 8850 3962 8873 3971 8868 3969 8848
TIME...MOT...LOC 0038Z 292DEG 31KT 3961 8858 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

37

868 
WWUS53 KILX 040049
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
749 PM CDT Mon May 3 2021

ILC139-040058-
/O.EXP.KILX.TO.W.0009.000000T0000Z-210504T0045Z/
Moultrie-
749 PM CDT Mon May 3 2021

...THE TORNADO WARNING FOR SOUTHEASTERN MOULTRIE COUNTY HAS
EXPIRED...
    
The tornado threat has diminished and the Tornado Warning has been 
allowed to expire. However, large hail and damaging winds remain 
likely and a Severe Thunderstorm Warning remains in effect for the 
area.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central Illinois.

LAT...LON 3949 8850 3962 8873 3971 8868 3969 8848
TIME...MOT...LOC 0048Z 292DEG 31KT 3959 8851 

$$

37

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:06 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Macon, Moultrie, Shelby	54 min
May 3, 7:33 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	42 min
May 3, 7:57 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Edgar	63 min
May 3, 8:02 PM CDT	Tornado Warning	ILX	Coles	28 min
May 3, 8:19 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Moultrie, Shelby	41 min
May 3, 8:53 PM CDT	Flash Flood Warning	ILX	Coles	50 min
May 3, 9:02 PM CDT	Special Weather Statement	ILX	Clark, Cumberland, Effingham, Jasper	43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.