Alert archive / Illinois / Tornado Warnings in 2021

Tornado Warning 13, NWS Lincoln, IL

May 6, 2021Clay County, Illinois

NWS Lincoln, IL issued this tornado warning at May 6, 2021, 4:46 PM CDT for Clay County, Illinois. It was in force for 14 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, 4:46 PM CDT (21:46 UTC)
Expired: May 6, 2021, 5:00 PM CDT
In force: 14 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Clay County, IL

The radar

The Evansville,IN radar (KVWX), 74 km from the middle of the area, began a volume at 21:47 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, 4:52 PM CDT	FUNNEL CLOUD	4 Se Flora Municipal Ai, IL	CORRECTS PREVIOUS TORNADO REPORT FROM 4 SE FLORA MUNICIPAL AIRPORT. TOUCH DOWN OCCURRED ON THE WAYNE COUNTY SIDE.
May 6, 4:52 PM CDT	TORNADO	4 Se Flora Municipal Ai, IL	BRIEF TOUCHDOWN REPORTED BY EMA.

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, 9.8 hours before the alert went out and 169 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.

815 
WFUS53 KILX 062146
TORILX
ILC025-062200-
/O.NEW.KILX.TO.W.0013.210506T2146Z-210506T2200Z/

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

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southeastern Clay County in south central Illinois...

* Until 500 PM CDT.
    
* At 446 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Flora, moving southeast at 15 mph.

  HAZARD...Tornado and quarter 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...
  Clay City around 450 PM CDT.

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 3861 8849 3866 8850 3871 8837 3860 8827
TIME...MOT...LOC 2146Z 320DEG 15KT 3864 8844 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Deubelbeiss

1 follow-up statement

979 
WWUS53 KILX 062206
SVSILX

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

ILC025-062216-
/O.EXP.KILX.TO.W.0013.000000T0000Z-210506T2200Z/
Clay-
506 PM CDT Thu May 6 2021

...THE TORNADO WARNING FOR SOUTHEASTERN CLAY COUNTY HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

LAT...LON 3861 8849 3866 8850 3871 8837 3860 8827
TIME...MOT...LOC 2206Z 320DEG 15KT 3858 8837 

$$

Deubelbeiss

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, 2:29 PM CDT	Tornado Warning	ILX	Moultrie, Shelby	31 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

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.