Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Lincoln, IL

March 27, 20215 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 27, 2021, 9:02 PM CDT for 5 counties in Illinois. It was in force for 58 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
Mar 27, 2021, 9:02 PM CDT (02:02 UTC)
Expired
Mar 27, 2021, 10:00 PM CDT
In force
58 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Clay County, IL, Crawford County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 68 km from the middle of the area, began a volume at 02:03 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.

IssuedProductOfficeLasted
Mar 27, 8:19 PM CDTSevere Thunderstorm WatchSPC114 min

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 160 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.

335 
WUUS53 KILX 280202
SVRILX
ILC025-033-079-101-159-280300-
/O.NEW.KILX.SV.W.0007.210328T0202Z-210328T0300Z/

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

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Lawrence County in southeastern Illinois...
  Crawford County in east central Illinois...
  Jasper County in southeastern Illinois...
  Richland County in southeastern Illinois...
  Southeastern Clay County in south central Illinois...

* Until 1000 PM CDT.

* At 902 PM CDT, severe thunderstorms were located along a line
  extending from near Hidalgo to near Flora, moving east at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Vincennes, Olney, Robinson, Flora, Lawrenceville, Newton, Sumner,
  Oblong, Palestine, Clay City, St. Francisville, Noble, Hutsonville,
  Flat Rock, Ste. Marie, Willow Hill, Parkersburg, Claremont, Calhoun
  and Sailor Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3860 8816 3861 8850 3917 8813 3918 8775
      3915 8763 3915 8765 3912 8763 3911 8765
      3906 8757 3899 8756 3899 8758 3896 8751
      3886 8755 3879 8750 3869 8752 3864 8762
      3859 8762 3857 8765 3857 8814
TIME...MOT...LOC 0202Z 271DEG 36KT 3916 8809 3862 8844 

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

Shimon
2 follow-up statements
261 
WWUS53 KILX 280218
SVSILX

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

ILC025-033-079-101-159-280300-
/O.CON.KILX.SV.W.0007.000000T0000Z-210328T0300Z/
Lawrence-Crawford-Jasper-Richland-Clay-
918 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR LAWRENCE...CRAWFORD...EASTERN JASPER...RICHLAND AND SOUTHEASTERN
CLAY COUNTIES...

At 918 PM CDT, severe thunderstorms were located along a line
extending from 6 miles west of Annapolis to Clay City, moving east at
35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Vincennes, Olney, Robinson, Lawrenceville, Sumner, Oblong, Palestine,
Clay City, St. Francisville, Noble, Hutsonville, Flat Rock, Ste.
Marie, Willow Hill, Parkersburg, Claremont, Calhoun, Russellville,
New Hebron and Chauncey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3860 8816 3861 8843 3917 8797 3918 8775
      3915 8763 3915 8765 3912 8763 3911 8765
      3906 8757 3899 8756 3899 8758 3896 8751
      3886 8755 3879 8750 3869 8752 3864 8762
      3859 8762 3857 8765 3857 8814
TIME...MOT...LOC 0218Z 268DEG 30KT 3913 8794 3866 8834 

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

Shimon
705 
WWUS53 KILX 280302
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1002 PM CDT Sat Mar 27 2021

ILC025-033-079-101-159-280311-
/O.EXP.KILX.SV.W.0007.000000T0000Z-210328T0300Z/
Lawrence-Crawford-Jasper-Richland-Clay-
1002 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR LAWRENCE...CRAWFORD...EASTERN
JASPER...RICHLAND AND SOUTHEASTERN CLAY COUNTIES HAS EXPIRED...

The warning has been allowed to expire. Hail, gusty winds and heavy 
rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central, southeastern and east central Illinois.

LAT...LON 3860 8816 3861 8843 3917 8797 3918 8775
      3915 8763 3915 8765 3912 8763 3911 8765
      3906 8757 3899 8756 3899 8758 3896 8751
      3886 8755 3879 8750 3869 8752 3864 8762
      3859 8762 3857 8765 3857 8814
TIME...MOT...LOC 0301Z 271DEG 36KT 3912 8741 3865 8781 

$$

Baker

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, 8:06 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Shelby54 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, 9:27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.