Alert archive / Illinois / Tornado Warnings in 2021

Tornado Warning 12, NWS Lincoln, IL

May 6, 2021Moultrie County, Shelby County, Illinois

NWS Lincoln, IL issued this tornado warning at May 6, 2021, 2:29 PM CDT for Moultrie County, Shelby County, Illinois. It was in force for 31 min. 2 reports 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: May 6, 2021, 2:29 PM CDT (19:29 UTC)
Expired: May 6, 2021, 3:00 PM CDT
In force: 31 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 98 km from the middle of the area, began a volume at 19:31 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
May 6, 2:40 PM CDT	FUNNEL CLOUD	Findlay, IL	HIGH BASED FUNNEL.
May 6, 3:07 PM CDT	HAIL 0.7	2 Ene Windsor, IL	DIME SIZE HAIL. CORRECTED LOCATION FROM 2 ENE HOOPESTON.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 76 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: 16 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1453 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 203 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

443 
WFUS53 KILX 061929
TORILX
ILC139-173-062000-
/O.NEW.KILX.TO.W.0012.210506T1929Z-210506T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
229 PM CDT Thu May 6 2021

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southwestern Moultrie County in central Illinois...
  Northeastern Shelby County in central Illinois...

* Until 300 PM CDT.
    
* At 229 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Findlay, or 8 miles west of Sullivan, moving
  southeast 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...
  Windsor around 250 PM CDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Creek State Park, Gays and Wolf Creek State 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 3937 8861 3956 8880 3960 8876 3945 8847
      3945 8848
TIME...MOT...LOC 1929Z 311DEG 29KT 3955 8875 

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

$$

25

2 follow-up statements

914 
WWUS53 KILX 061940
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
240 PM CDT Thu May 6 2021

ILC139-173-062000-
/O.CON.KILX.TO.W.0012.000000T0000Z-210506T2000Z/
Moultrie-Shelby-
240 PM CDT Thu May 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR SOUTH
CENTRAL MOULTRIE AND EAST CENTRAL SHELBY COUNTIES...
    
At 240 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Findlay, or 7 miles southwest of Sullivan, moving
southeast at 25 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...
  Windsor around 300 PM CDT.

Other locations impacted by this tornadic thunderstorm include Gays,
Eagle Creek State Park and Wolf Creek State 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 3937 8861 3951 8874 3956 8868 3945 8847
      3945 8848
TIME...MOT...LOC 1940Z 313DEG 22KT 3951 8870 

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

$$

25

435 
WWUS53 KILX 061955
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
255 PM CDT Thu May 6 2021

ILC139-173-062005-
/O.EXP.KILX.TO.W.0012.000000T0000Z-210506T2000Z/
Moultrie-Shelby-
255 PM CDT Thu May 6 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL MOULTRIE AND EAST CENTRAL
SHELBY COUNTIES WILL EXPIRE AT 300 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.

LAT...LON 3937 8861 3951 8874 3956 8868 3945 8847
      3945 8848
TIME...MOT...LOC 1955Z 311DEG 29KT 3944 8859 

$$

25

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 1:10 PM CDT	Special Weather Statement	ILX	Clay	35 min
May 6, 1:29 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	46 min
May 6, 2:09 PM CDT	Special Weather Statement	ILX	Lawrence	36 min
May 6, 2:17 PM CDT	Tornado Warning Tornado observed	ILX	Christian, Shelby	28 min
May 6, 2:58 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Moultrie, Shelby	26 min
May 6, 3:01 PM CDT	Severe Thunderstorm Warning	ILX	Effingham	27 min
May 6, 3:22 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham	36 min
May 6, 4:39 PM CDT	Special Weather Statement	ILX	Clay	36 min
May 6, 4:46 PM CDT	Tornado Warning	ILX	Clay	14 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.