Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 22, NWS Lincoln, IL

May 6, 20214 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 6, 2021, 2:58 PM CDT for 4 counties in 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
May 6, 2021, 2:58 PM CDT (19:58 UTC)
Expired
May 6, 2021, 3:24 PM CDT
In force
26 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Coles County, IL, Cumberland County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 113 km from the middle of the area, began a volume at 19:59 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
May 6, 3:07 PM CDTHAIL 0.72 Ene Windsor, ILDIME 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, 8.0 hours before the alert went out and 87 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, Lincoln, IL at 12:00Z on 2021-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2021-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.19395878Sfc1 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
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.

339 
WUUS53 KILX 061958
SVRILX
ILC029-035-139-173-062045-
/O.NEW.KILX.SV.W.0022.210506T1958Z-210506T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
258 PM CDT Thu May 6 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southwestern Coles County in east central Illinois...
  Southeastern Moultrie County in central Illinois...
  East central Shelby County in central Illinois...
  Western Cumberland County in east central Illinois...

* Until 345 PM CDT.

* At 258 PM CDT, a severe thunderstorm was located over Windsor, or 9
  miles west of Mattoon, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Mattoon, Toledo, Neoga, Windsor, Paradise, Gays, Trowbridge, Etna
  and Trilla.

This includes Interstate 57 between mile markers 172 and 183.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3942 8866 3949 8853 3932 8817 3920 8840
TIME...MOT...LOC 1958Z 302DEG 30KT 3943 8855 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

25
2 follow-up statements
684 
WWUS53 KILX 062015
SVSILX

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

ILC139-062025-
/O.CAN.KILX.SV.W.0022.000000T0000Z-210506T2045Z/
Moultrie-
315 PM CDT Thu May 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MOULTRIE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

LAT...LON 3934 8855 3942 8845 3931 8819 3920 8840
TIME...MOT...LOC 2015Z 315DEG 23KT 3937 8848 

$$

ILC029-035-173-062045-
/O.CON.KILX.SV.W.0022.000000T0000Z-210506T2045Z/
Coles-Shelby-Cumberland-
315 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHWESTERN COLES...EAST CENTRAL SHELBY AND WESTERN CUMBERLAND
COUNTIES...

At 315 PM CDT, a severe thunderstorm was located near Neoga, or 9
miles southwest of Mattoon, moving southeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Toledo, Neoga, Paradise, Etna, Trowbridge and Trilla. 

This includes Interstate 57 between mile markers 173 and 181.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3934 8855 3942 8845 3931 8819 3920 8840
TIME...MOT...LOC 2015Z 315DEG 23KT 3937 8848 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

25
792 
WWUS53 KILX 062024
SVSILX

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

ILC029-035-173-062034-
/O.CAN.KILX.SV.W.0022.000000T0000Z-210506T2045Z/
Coles-Shelby-Cumberland-
324 PM CDT Thu May 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COLES...EAST
CENTRAL SHELBY AND WESTERN CUMBERLAND COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

LAT...LON 3934 8855 3942 8845 3931 8819 3920 8840
TIME...MOT...LOC 2022Z 302DEG 30KT 3933 8839 

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 1:10 PM CDTSpecial Weather StatementILXClay35 min
May 6, 1:29 PM CDTSevere Thunderstorm WarningILXClay, Richland46 min
May 6, 2:09 PM CDTSpecial Weather StatementILXLawrence36 min
May 6, 2:17 PM CDTTornado Warning Tornado observedILXChristian, Shelby28 min
May 6, 2:29 PM CDTTornado WarningILXMoultrie, Shelby31 min
May 6, 3:01 PM CDTSevere Thunderstorm WarningILXEffingham27 min
May 6, 3:22 PM CDTSevere Thunderstorm WarningILXClay, Effingham36 min
May 6, 4:39 PM CDTSpecial Weather StatementILXClay36 min
May 6, 4:46 PM CDTTornado WarningILXClay14 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2021Every severe thunderstorm warning 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.