Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Lincoln, IL

March 27, 2021Morgan County, Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 27, 2021, 4:54 PM CDT for Morgan County, Sangamon County, Illinois. It was in force for 48 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: Mar 27, 2021, 4:54 PM CDT (21:54 UTC)
Expired: Mar 27, 2021, 5:42 PM CDT
In force: 48 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Morgan County, IL, Sangamon County, IL

What was reported inside it

Time	Report	Where	Remark
Mar 27, 5:33 PM CDT	TSTM WND GST 65	Pawnee, IL	ESTIMATED 65-70 MPH. RELAYED VIA SOCIAL MEDIA.
Mar 27, 5:33 PM CDT	HAIL 1	Pawnee, IL	RELAYED VIA SOCIAL MEDIA.

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
Mar 27, 4:44 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 114 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1078 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 369 m²/s²
0-3 km storm-relative helicity: 384 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

908 
WUUS53 KILX 272154
SVRILX
ILC137-167-272300-
/O.NEW.KILX.SV.W.0001.210327T2154Z-210327T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
454 PM CDT Sat Mar 27 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southwestern Sangamon County in central Illinois...
  Southeastern Morgan County in west central Illinois...

* Until 600 PM CDT.

* At 453 PM CDT, a severe thunderstorm was located over Athensville,
  or 9 miles east of White Hall, moving northeast at 55 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...
  Springfield, Chatham, Auburn, Rochester, Pawnee, Waverly, Divernon,
  Loami, Franklin, Thayer, Berry, Glenarm, Nortonville and Lowder.

This includes Interstate 55 between mile markers 77 and 91.
 
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 3956 9029 3980 8943 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 9030
TIME...MOT...LOC 2153Z 247DEG 47KT 3947 9023 

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

Shimon

5 follow-up statements

448 
WWUS53 KILX 272203
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
503 PM CDT Sat Mar 27 2021

ILC137-167-272300-
/O.CON.KILX.SV.W.0001.000000T0000Z-210327T2300Z/
Sangamon-Morgan-
503 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN SANGAMON AND SOUTHEASTERN MORGAN COUNTIES...

At 502 PM CDT, a severe thunderstorm was located near Athensville, or
16 miles southeast of Jacksonville, moving northeast at 50 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...
Springfield, Chatham, Auburn, Rochester, Pawnee, Waverly, Divernon,
Loami, Franklin, Thayer, Berry, Glenarm, Nortonville and Lowder.

This includes Interstate 55 between mile markers 77 and 91.
 
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 3956 9029 3980 8943 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 9030
TIME...MOT...LOC 2202Z 247DEG 45KT 3952 9010 

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

Shimon

852 
WWUS53 KILX 272212
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
512 PM CDT Sat Mar 27 2021

ILC137-167-272300-
/O.CON.KILX.SV.W.0001.000000T0000Z-210327T2300Z/
Sangamon-Morgan-
512 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN SANGAMON AND SOUTHEASTERN MORGAN COUNTIES...

At 511 PM CDT, a severe thunderstorm was located near Waverly, or 11
miles southwest of Auburn, moving northeast at 50 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...
Springfield, Chatham, Auburn, Pawnee, Waverly, Divernon, Franklin,
Thayer, Berry, Glenarm and Lowder.

This includes Interstate 55 between mile markers 77 and 89.
 
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 3961 9007 3975 8943 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 9012
TIME...MOT...LOC 2211Z 248DEG 45KT 3953 8997 

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

Shimon

108 
WWUS53 KILX 272222
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
522 PM CDT Sat Mar 27 2021

ILC137-272232-
/O.CAN.KILX.SV.W.0001.000000T0000Z-210327T2300Z/
Morgan-
522 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORGAN 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 3964 8993 3975 8943 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 8991
TIME...MOT...LOC 2222Z 255DEG 49KT 3955 8972 

$$

ILC167-272300-
/O.CON.KILX.SV.W.0001.000000T0000Z-210327T2300Z/
Sangamon-
522 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN SANGAMON COUNTY...

At 522 PM CDT, a severe thunderstorm was located over Auburn, or near
Virden, moving east at 55 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...
Springfield, Chatham, Auburn, Pawnee, Divernon, Thayer, Berry,
Glenarm and Lowder.

This includes Interstate 55 between mile markers 77 and 89.
 
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 3964 8993 3975 8943 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 8991
TIME...MOT...LOC 2222Z 255DEG 49KT 3955 8972 

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

Shimon

402 
WWUS53 KILX 272233
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
533 PM CDT Sat Mar 27 2021

ILC167-272300-
/O.CON.KILX.SV.W.0001.000000T0000Z-210327T2300Z/
Sangamon-
533 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTH CENTRAL SANGAMON COUNTY...

At 533 PM CDT, a severe thunderstorm was located over Pawnee, or 13
miles southeast of Springfield, moving northeast at 55 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...
Springfield, Chatham, Auburn, Pawnee, Divernon, Thayer and Glenarm. 

This includes Interstate 55 between mile markers 77 and 88.
 
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 3968 8973 3970 8942 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 8977
TIME...MOT...LOC 2233Z 247DEG 47KT 3961 8955 

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

Shimon

706 
WWUS53 KILX 272242
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
542 PM CDT Sat Mar 27 2021

ILC167-272252-
/O.CAN.KILX.SV.W.0001.000000T0000Z-210327T2300Z/
Sangamon-
542 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SANGAMON COUNTY
IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

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

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

LAT...LON 3968 8973 3970 8942 3969 8942 3969 8948
      3964 8948 3964 8953 3952 8954 3952 8977
TIME...MOT...LOC 2242Z 247DEG 47KT 3966 8940 

$$

Shimon

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 5:32 PM CDT	Severe Thunderstorm Warning	ILX	Christian	43 min
Mar 27, 6:07 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Shelby	21 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.