Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Lincoln, IL

May 3, 2021Clark County, Coles County, Edgar County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 3, 2021, 7:57 PM CDT for Clark County, Coles County, Edgar County, Illinois. It was in force for 63 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 3, 2021, 7:57 PM CDT (00:57 UTC)
Expired: May 3, 2021, 9:00 PM CDT
In force: 63 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Clark County, IL, Coles County, IL, Edgar County, IL

The radar

The Lincoln radar (KILX), 117 km from the middle of the area, began a volume at 01:02 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 3, 8:24 PM CDT	TSTM WND DMG	Charleston, IL	TREE BLOWN DOWN.

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

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, 1.0 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: 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.

513 
WUUS53 KILX 040057
SVRILX
ILC023-029-045-040200-
/O.NEW.KILX.SV.W.0019.210504T0057Z-210504T0200Z/

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

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Coles County in east central Illinois...
  Southwestern Edgar County in east central Illinois...
  Northwestern Clark County in east central Illinois...

* Until 900 PM CDT.

* At 757 PM CDT, a severe thunderstorm was located over Cooks Mill,
  or near Mattoon, moving east 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...
  Charleston, Mattoon, Martinsville, Kansas, Ashmore, Westfield,
  Humboldt, Cooks Mill, Rardin, Coles, Hutton, Fairgrange, Bushton
  and Coles County Airport.

This includes the following highways...
 Interstate 57 between mile markers 188 and 200.
 Interstate 70 between mile markers 134 and 137.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3949 8847 3960 8847 3964 8837 3962 8772
      3934 8786
TIME...MOT...LOC 0057Z 285DEG 30KT 3955 8840 

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

Shimon

4 follow-up statements

927 
WWUS53 KILX 040112
SVSILX

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

ILC023-029-045-040200-
/O.CON.KILX.SV.W.0019.000000T0000Z-210504T0200Z/
Coles-Edgar-Clark-
812 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR COLES...SOUTHWESTERN EDGAR AND NORTHWESTERN CLARK COUNTIES...

At 811 PM CDT, a severe thunderstorm was located near Charleston,
moving east at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Charleston, Mattoon, Martinsville, Kansas, Ashmore, Westfield,
Humboldt, Cooks Mill, Rardin, Coles, Hutton, Fairgrange, Bushton and
Coles County Airport.

This includes the following highways...
 Interstate 57 between mile markers 188 and 200.
 Interstate 70 between mile markers 134 and 137.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3949 8847 3960 8847 3964 8837 3962 8772
      3934 8786
TIME...MOT...LOC 0111Z 285DEG 30KT 3952 8825 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
 
$$

Shimon

331 
WWUS53 KILX 040121 RRA
SVSILX

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

ILC023-029-045-040200-
/O.CON.KILX.SV.W.0019.000000T0000Z-210504T0200Z/
Coles-Edgar-Clark-
821 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHEASTERN COLES...SOUTHWESTERN EDGAR AND NORTHWESTERN CLARK
COUNTIES...

At 821 PM CDT, a severe thunderstorm was located over Charleston,
moving east 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...
Charleston, Mattoon, Martinsville, Kansas, Ashmore, Westfield,
Rardin, Hutton, Coles County Airport, Fairgrange and Bushton.

This includes Interstate 70 between mile markers 134 and 137.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3946 8832 3953 8828 3961 8811 3956 8775
      3934 8786
TIME...MOT...LOC 0121Z 285DEG 30KT 3950 8814 

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

Shimon

297 
WWUS53 KILX 040135
SVSILX

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

ILC023-029-045-040200-
/O.CON.KILX.SV.W.0019.000000T0000Z-210504T0200Z/
Coles-Edgar-Clark-
835 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHEASTERN COLES...SOUTHWESTERN EDGAR AND NORTHWESTERN CLARK
COUNTIES...

At 835 PM CDT, a severe thunderstorm was located over Westfield, or 9
miles east of Charleston, moving east at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Charleston, Martinsville, Westfield and Hutton. 

This includes Interstate 70 between mile markers 134 and 137.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3943 8821 3949 8816 3951 8803 3950 8778
      3934 8786
TIME...MOT...LOC 0135Z 285DEG 30KT 3947 8799 

HAIL...1.50IN
WIND...60MPH
 
$$

Shimon

121 
WWUS53 KILX 040156
SVSILX

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

ILC023-029-045-040204-
/O.EXP.KILX.SV.W.0019.000000T0000Z-210504T0200Z/
Coles-Edgar-Clark-
856 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLES...
SOUTHWESTERN EDGAR AND NORTHWESTERN CLARK COUNTIES WILL EXPIRE AT 900
PM CDT...
                
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 will be allowed to expire.

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

LAT...LON 3943 8821 3949 8816 3951 8803 3950 8778
      3934 8786
TIME...MOT...LOC 0154Z 285DEG 30KT 3943 8779 

$$

Shimon

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, 7:20 PM CDT	Tornado Warning	ILX	Moultrie	25 min
May 3, 7:33 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	42 min
May 3, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.