Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Lincoln, IL

March 27, 2021Coles County, Cumberland County, Shelby County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 27, 2021, 8:06 PM CDT for Coles County, Cumberland County, Shelby County, Illinois. It was in force for 54 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, 8:06 PM CDT (01:06 UTC)
Expired
Mar 27, 2021, 9:00 PM CDT
In force
54 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Possible
Hail
0.88 in
Wind
60.0 mph

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

What was reported inside it

TimeReportWhereRemark
Mar 27, 8:16 PM CDTFUNNEL CLOUDNeoga, ILTIME ESTIMATED BASED ON RADAR.
Mar 27, 8:30 PM CDTHAIL 12 Ssw Paradise, ILDELAYED REPORT. 18 MILES SW OF MATTOON AT LAKE MATTOON.

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
Mar 27, 4:44 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.1 hours before the alert went out and 91 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 00:00Z on 2021-03-28Temperature 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 00:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939587897117136Sfc1 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
933 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

135 
WUUS53 KILX 280106
SVRILX
ILC029-035-173-280200-
/O.NEW.KILX.SV.W.0004.210328T0106Z-210328T0200Z/

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

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southern Coles County in east central Illinois...
  Southeastern Shelby County in central Illinois...
  Cumberland County in east central Illinois...

* Until 900 PM CDT.

* At 806 PM CDT, a severe thunderstorm was located over Stewardson,
  or 9 miles north of Effingham, moving east at 45 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Charleston, Mattoon, Toledo, Casey, Neoga, Greenup, Ashmore,
  Stewardson, Lerna, Janesville, Paradise, Hutton, Strasburg, Sigel,
  Trowbridge, Etna, Fox Ridge State Park, Union Center, Coles County
  Airport and Trilla.

This includes the following highways...
 Interstate 57 between mile markers 168 and 189.
 Interstate 70 between mile markers 112 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3948 8801 3922 8801 3921 8857 3922 8870
      3937 8876 3956 8799 3948 8799
TIME...MOT...LOC 0106Z 259DEG 38KT 3925 8859 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

Shimon
2 follow-up statements
559 
WWUS53 KILX 280138
SVSILX

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

ILC029-035-173-280200-
/O.CON.KILX.SV.W.0004.000000T0000Z-210328T0200Z/
Coles-Shelby-Cumberland-
838 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHERN COLES...SOUTHEASTERN SHELBY AND CUMBERLAND COUNTIES...

At 838 PM CDT, severe thunderstorms were located along a line
extending from near Toledo to near Teutopolis, moving east at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Charleston, Mattoon, Toledo, Casey, Neoga, Greenup, Ashmore, Lerna,
Janesville, Paradise, Hutton, Sigel, Etna, Fox Ridge State Park,
Union Center, Coles County Airport, Trilla and Trowbridge.

This includes the following highways...
 Interstate 57 between mile markers 168 and 188.
 Interstate 70 between mile markers 112 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3948 8801 3922 8801 3921 8858 3921 8862
      3931 8854 3944 8845 3956 8799 3948 8799
TIME...MOT...LOC 0138Z 265DEG 20KT 3932 8824 3921 8850 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

Shimon
684 
WWUS53 KILX 280158
SVSILX

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

ILC029-035-173-280207-
/O.EXP.KILX.SV.W.0004.000000T0000Z-210328T0200Z/
Coles-Shelby-Cumberland-
858 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN COLES...SOUTHEASTERN
SHELBY AND CUMBERLAND COUNTIES WILL EXPIRE AT 900 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 1000 PM CDT for
south central, 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.

LAT...LON 3948 8801 3922 8801 3921 8858 3921 8862
      3931 8854 3944 8845 3956 8799 3948 8799
TIME...MOT...LOC 0157Z 259DEG 38KT 3935 8801 3924 8827 

$$

Shimon

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 7:25 PM CDTSpecial Weather StatementILXEdgar50 min
Mar 27, 8:16 PM CDTTornado WarningILXColes, Cumberland, Shelby44 min
Mar 27, 8:20 PM CDTSevere Thunderstorm WarningILXClay, Effingham, Jasper55 min
Mar 27, 8:50 PM CDTSevere Thunderstorm WarningILXClark40 min
Mar 27, 9:02 PM CDTSevere Thunderstorm WarningILXClay, Crawford, Jasper, Lawrence, Richland58 min
Mar 27, 9:27 PM CDTSevere Thunderstorm WarningILXClark, Edgar21 min
Mar 28, 3:39 AM CDTRiver Flood WarningILXClay, Richland41 hr

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.