Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 72, NWS Lincoln, IL

July 9, 2021Christian County, Moultrie County, Shelby County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 9, 2021, 11:43 PM CDT for Christian County, Moultrie County, Shelby County, Illinois. It was in force for 47 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
Jul 9, 2021, 11:43 PM CDT (04:43 UTC)
Expired
Jul 10, 2021, 12:30 AM CDT
In force
47 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Christian County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 87 km from the middle of the area, began a volume at 04:43 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 nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.7 hours before the alert went out and 96 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 2021-07-10Temperature 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 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 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
1282 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

609 
WUUS53 KILX 100443
SVRILX
ILC021-139-173-100530-
/O.NEW.KILX.SV.W.0072.210710T0443Z-210710T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
1143 PM CDT Fri Jul 9 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southern Christian County in central Illinois...
  Southern Moultrie County in central Illinois...
  Shelby County in central Illinois...

* Until 1230 AM CDT.

* At 1143 PM CDT, a severe thunderstorm was located near Taylorville,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated. At 1135 PM CDT 60 mph wind was reported 
           at the Taylorville Airport.

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

* This severe thunderstorm will be near...
  Pana around 1150 PM CDT.
  Assumption around 1155 PM CDT.
  Tower Hill around 1200 AM CDT.

Other locations in the path of this severe thunderstorm include
Westervelt, Shelbyville and Findlay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 3927 8914 3935 8914 3935 8953 3941 8953
      3966 8919 3959 8848 3922 8882
TIME...MOT...LOC 0443Z 284DEG 40KT 3952 8918 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

25
3 follow-up statements
511 
WWUS53 KILX 100505
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1205 AM CDT Sat Jul 10 2021

ILC021-139-173-100530-
/O.CON.KILX.SV.W.0072.000000T0000Z-210710T0530Z/
Christian-Moultrie-Shelby-
1205 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHEASTERN CHRISTIAN...SOUTHERN MOULTRIE AND CENTRAL SHELBY
COUNTIES...

At 1205 AM CDT, a severe thunderstorm was located over Assumption, or
12 miles northwest of Shelbyville, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Tower Hill, Westervelt, Shelbyville and Findlay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 3936 8906 3945 8904 3964 8913 3959 8848
      3928 8876 3933 8906
TIME...MOT...LOC 0505Z 278DEG 22KT 3950 8901 

HAIL...<.75IN
WIND...60MPH
 
$$

25
512 
WWUS53 KILX 100518
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1218 AM CDT Sat Jul 10 2021

ILC021-100527-
/O.CAN.KILX.SV.W.0072.000000T0000Z-210710T0530Z/
Christian-
1218 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHRISTIAN COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3935 8896 3945 8895 3962 8901 3959 8848
      3928 8876 3933 8891
TIME...MOT...LOC 0517Z 268DEG 26KT 3946 8887 

$$

ILC139-173-100530-
/O.CON.KILX.SV.W.0072.000000T0000Z-210710T0530Z/
Moultrie-Shelby-
1218 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHERN MOULTRIE AND CENTRAL SHELBY COUNTIES...

At 1217 AM CDT, a severe thunderstorm was located over Westervelt, or
near Shelbyville, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Shelbyville, Sullivan, Findlay, Tower Hill, Allenville, Westervelt,
Clarksburg, Wolf Creek State Park, Eagle Creek State Park and
Kirksville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 3935 8896 3945 8895 3962 8901 3959 8848
      3928 8876 3933 8891
TIME...MOT...LOC 0517Z 268DEG 26KT 3946 8887 

HAIL...<.75IN
WIND...60MPH
 
$$

25
388 
WWUS53 KILX 100528
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1228 AM CDT Sat Jul 10 2021

ILC139-173-100538-
/O.EXP.KILX.SV.W.0072.000000T0000Z-210710T0530Z/
Moultrie-Shelby-
1228 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MOULTRIE AND CENTRAL
SHELBY COUNTIES WILL EXPIRE AT 1230 AM 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.

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

LAT...LON 3935 8896 3945 8895 3962 8901 3959 8848
      3928 8876 3933 8891
TIME...MOT...LOC 0528Z 284DEG 40KT 3944 8875 

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 8:03 PM CDTSevere Thunderstorm WarningILXSchuyler57 min
Jul 9, 10:50 PM CDTSpecial Weather StatementILXSangamon25 min
Jul 9, 11:11 PM CDTAreal Flood AdvisoryILXSangamon115 min
Jul 10, 1:18 AM CDTSpecial Weather StatementILXClay, Richland57 min
Jul 10, 9:27 AM CDTRiver Flood WarningILXClay, Richland11 days
Jul 10, 2:08 PM CDTTornado WarningILXCass, Mason, Morgan52 min
Jul 10, 2:45 PM CDTTornado WarningILXCass, Mason, Menard60 min
Jul 10, 2:53 PM CDTTornado WarningILXFulton, Mason52 min
Jul 10, 3:38 PM CDTTornado WarningILXLogan, Mason, Menard37 min
Jul 10, 6:18 PM CDTFlash Flood WarningILXClay3 hr
Jul 10, 6:22 PM CDTSevere Thunderstorm WarningILXClay, Richland53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.