Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS Lincoln, IL

May 3, 2021Christian County, Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 3, 2021, 6:54 PM CDT for Christian County, Sangamon County, Illinois. It was in force for 51 min. 3 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 3, 2021, 6:54 PM CDT (23:54 UTC)
Expired
May 3, 2021, 7:45 PM CDT
In force
51 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Christian County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 23:55 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 3, 7:28 PM CDTHAIL 25 Wsw Rosamond, IL
May 3, 7:31 PM CDTHAIL 1.752 Nw Wenonah, ILQUARTER TO GOLF BALL SIZED HAIL.
May 3, 7:45 PM CDTHAIL 1.751 Ene Ohlman, ILVIA TWITTER WITH PICTURE.

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.

IssuedProductOfficeLasted
May 3, 2:47 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.9 hours before the alert went out and 107 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 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
460 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

287 
WUUS53 KILX 032354
SVRILX
ILC021-167-040045-
/O.NEW.KILX.SV.W.0016.210503T2354Z-210504T0045Z/

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

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southwestern Christian County in central Illinois...
  Southern Sangamon County in central Illinois...

* Until 745 PM CDT.

* At 654 PM CDT, a severe thunderstorm was located over Farmersville,
  or 9 miles southeast of Virden, 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...
  Taylorville, Morrisonville, Owaneco, Palmer and Vanderville. 

This includes Interstate 55 near mile marker 77.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3935 8953 3952 8954 3953 8973 3951 8916
      3935 8917
TIME...MOT...LOC 2354Z 278DEG 31KT 3944 8962 

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

37
4 follow-up statements
473 
WWUS53 KILX 040009
SVSILX

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

ILC167-040019-
/O.CAN.KILX.SV.W.0016.000000T0000Z-210504T0045Z/
Sangamon-
709 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SANGAMON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has 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 Illinois.

LAT...LON 3935 8952 3952 8951 3951 8916 3935 8917
TIME...MOT...LOC 0009Z 278DEG 31KT 3942 8945 

$$

ILC021-040045-
/O.CON.KILX.SV.W.0016.000000T0000Z-210504T0045Z/
Christian-
709 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHWESTERN CHRISTIAN COUNTY...

At 709 PM CDT, a severe thunderstorm was located over Morrisonville,
or 12 miles northwest of Nokomis, 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...
Taylorville, Morrisonville, Owaneco, Palmer and Vanderville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3935 8952 3952 8951 3951 8916 3935 8917
TIME...MOT...LOC 0009Z 278DEG 31KT 3942 8945 

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

37
202 
WWUS53 KILX 040027
SVSILX

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

ILC021-040045-
/O.CON.KILX.SV.W.0016.000000T0000Z-210504T0045Z/
Christian-
727 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTH CENTRAL CHRISTIAN COUNTY...

At 727 PM CDT, a severe thunderstorm was located 7 miles north of
Nokomis, 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...
Taylorville, Owaneco and Vanderville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3935 8938 3951 8929 3951 8916 3935 8917
TIME...MOT...LOC 0027Z 278DEG 31KT 3940 8925 

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

37
303 
WWUS53 KILX 040031
SVSILX

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

ILC021-040045-
/O.CON.KILX.SV.W.0016.000000T0000Z-210504T0045Z/
Christian-
731 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTH CENTRAL CHRISTIAN COUNTY...

At 730 PM CDT, a severe thunderstorm was located near Pana, or 7
miles northeast of Nokomis, moving east at 35 mph.

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

SOURCE...Trained weather spotters.

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...
Taylorville, Owaneco and Vanderville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3935 8938 3951 8929 3950 8916 3935 8917
TIME...MOT...LOC 0030Z 278DEG 31KT 3940 8921 

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

37
018 
WWUS53 KILX 040046
SVSILX

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

ILC021-040054-
/O.EXP.KILX.SV.W.0016.000000T0000Z-210504T0045Z/
Christian-
746 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHRISTIAN COUNTY
WILL EXPIRE AT 745 PM CDT...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning will be allowed to expire. 
However small hail and gusty winds are still possible with this 
thunderstorm.

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

Remember, a Severe Thunderstorm Warning still remains in effect for 
areas to the east and southeast including portions of Shelby and 
Montgomery Counties.

LAT...LON 3935 8938 3951 8929 3950 8916 3935 8917
TIME...MOT...LOC 0044Z 278DEG 31KT 3939 8908 

$$

37

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 3:31 PM CDTSpecial Weather StatementILXKnox29 min
May 3, 3:59 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Schuyler46 min
May 3, 4:10 PM CDTSpecial Weather StatementILXSchuyler35 min
May 3, 4:30 PM CDTSpecial Weather StatementILXFulton30 min
May 3, 4:43 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon, Schuyler47 min
May 3, 4:50 PM CDTTornado WarningILXCass, Morgan25 min
May 3, 5:00 PM CDTSpecial Weather StatementILXMason, Menard30 min
May 3, 5:08 PM CDTTornado WarningILXCass, Menard, Morgan, Sangamon37 min
May 3, 5:17 PM CDTSevere Thunderstorm WarningILXCass, Logan, Mason, Menard43 min
May 3, 5:25 PM CDTSevere Thunderstorm WarningILXMorgan, Scott33 min
May 3, 5:30 PM CDTTornado Warning Tornado observedILXMenard, Sangamon30 min
May 3, 5:52 PM CDTTornado WarningILXLogan, Menard, Sangamon23 min
May 3, 6:02 PM CDTSpecial Weather StatementILXLogan43 min
May 3, 6:16 PM CDTTornado Warning Tornado observedILXChristian, Logan, Macon, Sangamon29 min
May 3, 6:37 PM CDTSevere Thunderstorm WarningILXChristian, Macon, Sangamon53 min
May 3, 6:42 PM CDTTornado Warning Tornado observedILXMacon33 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.