Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 17, NWS Lincoln, IL

May 3, 20215 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 3, 2021, 7:06 PM CDT for 5 counties in Illinois. It was in force for 54 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, 7:06 PM CDT (00:06 UTC)
Expired: May 3, 2021, 8:00 PM CDT
In force: 54 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Coles County, IL, Douglas County, IL, Macon County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 89 km from the middle of the area, began a volume at 00:08 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, 0.1 hours before the alert went out and 58 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.

377 
WUUS53 KILX 040006
SVRILX
ILC029-041-115-139-173-040100-
/O.NEW.KILX.SV.W.0017.210504T0006Z-210504T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
706 PM CDT Mon May 3 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Northwestern Coles County in east central Illinois...
  Moultrie County in central Illinois...
  Northeastern Shelby County in central Illinois...
  Southwestern Douglas County in east central Illinois...
  Southeastern Macon County in central Illinois...

* Until 800 PM CDT.

* At 706 PM CDT, severe thunderstorms were located along a line
  extending from near Macon to near Moweaqua, moving east at 45 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, Sullivan, Arcola, Arthur, Moweaqua, Bethany, Lovington,
  Findlay, Dalton City, Humboldt, Hindsboro, Allenville, Cooks Mill,
  Coles, Gays, Lake City, Chesterville, Cadwell and Kirksville.

This includes Interstate 57 between mile markers 193 and 205.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3969 8812 3956 8822 3944 8850 3958 8902
      3965 8902 3977 8881
TIME...MOT...LOC 0006Z 278DEG 40KT 3973 8893 3964 8907 

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

Shimon

4 follow-up statements

194 
WWUS53 KILX 040033
SVSILX

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

ILC029-041-115-139-173-040100-
/O.CON.KILX.SV.W.0017.000000T0000Z-210504T0100Z/
Coles-Moultrie-Shelby-Douglas-Macon-
733 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHWESTERN COLES...MOULTRIE...NORTHEASTERN SHELBY...
SOUTHWESTERN DOUGLAS AND SOUTHEASTERN MACON COUNTIES...

At 731 PM CDT, severe thunderstorms were located along a line 
extending from near Arthur to near Sullivan, moving east at 50 mph. 
Another severe storm in SE Macon County was moving east at 50 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Mattoon, Sullivan, Arcola, Arthur, Moweaqua, Bethany, Lovington,
Findlay, Dalton City, Humboldt, Hindsboro, Allenville, Cooks Mill,
Coles, Gays, Lake City, Chesterville, Cadwell and Kirksville.

This includes Interstate 57 between mile markers 193 and 205.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.

&&

LAT...LON 3969 8812 3956 8822 3944 8850 3958 8902
      3965 8902 3977 8881
TIME...MOT...LOC 0031Z 278DEG 41KT 3968 8855 3959 8869 

HAIL...1.25IN
WIND...60MPH
 
$$

Shimon

139 
WWUS53 KILX 040041
SVSILX

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

ILC115-040050-
/O.CAN.KILX.SV.W.0017.000000T0000Z-210504T0100Z/
Macon-
741 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MACON COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3969 8812 3956 8822 3944 8850 3958 8902
      3963 8900 3965 8881 3975 8866
TIME...MOT...LOC 0040Z 280DEG 36KT 3967 8848 3955 8867 

$$

ILC029-041-139-173-040100-
/O.CON.KILX.SV.W.0017.000000T0000Z-210504T0100Z/
Coles-Moultrie-Shelby-Douglas-
741 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHWESTERN COLES...MOULTRIE...NORTHEASTERN SHELBY AND
SOUTHWESTERN DOUGLAS COUNTIES...

At 740 PM CDT, severe thunderstorms were located along a line
extending from near Arthur to near Findlay, moving east at 40 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Mattoon, Sullivan, Arcola, Arthur, Bethany, Lovington, Findlay,
Humboldt, Hindsboro, Allenville, Cooks Mill, Coles, Gays,
Chesterville, Cadwell and Kirksville.

This includes Interstate 57 between mile markers 193 and 205.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.

&&

LAT...LON 3969 8812 3956 8822 3944 8850 3958 8902
      3963 8900 3965 8881 3975 8866
TIME...MOT...LOC 0040Z 280DEG 36KT 3967 8848 3955 8867 

HAIL...1.25IN
WIND...60MPH
 
$$

Shimon

587 
WWUS53 KILX 040050
SVSILX

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

ILC029-041-139-173-040100-
/O.CON.KILX.SV.W.0017.000000T0000Z-210504T0100Z/
Coles-Moultrie-Shelby-Douglas-
750 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHWESTERN COLES...SOUTHERN MOULTRIE...NORTHEASTERN SHELBY AND
SOUTHWESTERN DOUGLAS COUNTIES...

At 749 PM CDT, severe thunderstorms were located along a line
extending from near Cooks Mill to Allenville, moving east at 45 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Mattoon, Sullivan, Arcola, Bethany, Findlay, Humboldt, Hindsboro,
Allenville, Cooks Mill, Coles, Gays and Kirksville.

This includes Interstate 57 between mile markers 193 and 203.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.

&&

LAT...LON 3969 8812 3956 8822 3944 8850 3956 8896
      3961 8887 3966 8867 3968 8851
TIME...MOT...LOC 0049Z 280DEG 40KT 3962 8838 3953 8853 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

Shimon

708 
WWUS53 KILX 040059
SVSILX

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

ILC029-041-139-173-040107-
/O.EXP.KILX.SV.W.0017.000000T0000Z-210504T0100Z/
Coles-Moultrie-Shelby-Douglas-
759 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COLES...SOUTHERN
MOULTRIE...NORTHEASTERN SHELBY AND SOUTHWESTERN DOUGLAS COUNTIES WILL
EXPIRE AT 800 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

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

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

Remember, a Severe Thunderstorm Warning still remains in effect for
Coles and Douglas counties until 9 pm CDT.

LAT...LON 3969 8812 3956 8822 3944 8850 3956 8896
      3961 8887 3966 8867 3968 8851
TIME...MOT...LOC 0057Z 278DEG 40KT 3961 8829 3952 8844 

$$

Shimon

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:20 PM CDT	Tornado Warning	ILX	Moultrie	25 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

Severe Thunderstorm Warnings in Illinois, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.