Alert archive / Illinois / Tornado Warnings in 2023

Tornado Warning 7, NWS St. Louis, MO

March 31, 2023Lincoln County, Pike County, Missouri; Calhoun County, Greene County, Jersey County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 31, 2023, 5:05 PM CDT for Lincoln County, Pike County, Missouri; Calhoun County, Greene County, Jersey County, Illinois. It was in force for 40 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: Mar 31, 2023, 5:05 PM CDT (22:05 UTC)
Expired: Mar 31, 2023, 5:45 PM CDT
In force: 40 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Lincoln County, MO, Pike County, MO

The radar

The St Louis radar (KLSX), 60 km from the middle of the area, began a volume at 22:04 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

Time	Report	Where	Remark
Mar 31, 5:23 PM CDT	HAIL 0.88	3 Ene Davis, MO
Mar 31, 5:35 PM CDT	HAIL 0.5	Elsberry, MO
Mar 31, 5:44 PM CDT	HAIL 0.7	1 S Kampsville, IL	TIME ESTIMATED BY RADAR.

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 31, 11:46 AM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 196 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: 1009 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 646 m²/s²
0-3 km storm-relative helicity: 712 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

733 
WFUS53 KLSX 312205
TORLSX
ILC013-061-083-MOC113-163-312245-
/O.NEW.KLSX.TO.W.0007.230331T2205Z-230331T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
505 PM CDT Fri Mar 31 2023

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  North central Calhoun County in southwestern Illinois...
  Greene County in southwestern Illinois...
  Northern Jersey County in southwestern Illinois...
  Northern Lincoln County in east central Missouri...
  Southeastern Pike County in northeastern Missouri...

* Until 545 PM CDT.
    
* At 505 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Davis, moving east at 70 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Elsberry around 515 PM CDT.
  Hardin around 525 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Carrollton, Old Kane, Greenfield and Kemper.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3915 9015 3906 9111 3924 9116 3952 9016
TIME...MOT...LOC 2205Z 255DEG 65KT 3915 9102 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Elmore

3 follow-up statements

216 
WWUS53 KLSX 312220
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
520 PM CDT Fri Mar 31 2023

ILC013-061-083-MOC113-163-312245-
/O.CON.KLSX.TO.W.0007.000000T0000Z-230331T2245Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-Pike MO-
520 PM CDT Fri Mar 31 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR NORTH
CENTRAL CALHOUN...GREENE AND NORTHERN JERSEY COUNTIES IN SOUTHWESTERN
ILLINOIS...NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI AND
SOUTHEASTERN PIKE COUNTIES IN NORTHEASTERN MISSOURI...
    
At 520 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over mainly rural areas of Lincoln County , moving east 
at 65 mph. 

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
  Carrollton, Old Kane, Greenfield and Athensville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3915 9015 3911 9084 3930 9095 3952 9016
TIME...MOT...LOC 2220Z 253DEG 62KT 3922 9073 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Elmore

951 
WWUS53 KLSX 312226
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
526 PM CDT Fri Mar 31 2023

ILC083-MOC113-163-312236-
/O.CAN.KLSX.TO.W.0007.000000T0000Z-230331T2245Z/
Jersey IL-Lincoln MO-Pike MO-
526 PM CDT Fri Mar 31 2023

...THE TORNADO WARNING FOR NORTHERN JERSEY COUNTY IN SOUTHWESTERN
ILLINOIS...NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI AND
SOUTHEASTERN PIKE COUNTIES IN NORTHEASTERN MISSOURI IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Illinois...and northeastern and east central Missouri.

LAT...LON 3926 9015 3926 9019 3922 9021 3922 9031
      3919 9051 3919 9055 3918 9057 3918 9058
      3915 9071 3925 9073 3933 9083 3952 9016
TIME...MOT...LOC 2226Z 252DEG 61KT 3926 9067 

$$

ILC013-061-312245-
/O.CON.KLSX.TO.W.0007.000000T0000Z-230331T2245Z/
Calhoun IL-Greene IL-
526 PM CDT Fri Mar 31 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR NORTH
CENTRAL CALHOUN AND GREENE COUNTIES...
    
At 526 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles north of Hardin, moving east at 65 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
White Hall, Carrollton, Greenfield, Hardin, Athensville, Kampsville,
Wrights, Eldred, Rockbridge, Hamburg, Belltown, Mozier, Berdan,
Haypress, Walkersville, Woody and Michael.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3926 9015 3926 9019 3922 9021 3922 9031
      3919 9051 3919 9055 3918 9057 3918 9058
      3915 9071 3925 9073 3933 9083 3952 9016
TIME...MOT...LOC 2226Z 252DEG 61KT 3926 9067 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Elmore

541 
WWUS53 KLSX 312235
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
535 PM CDT Fri Mar 31 2023

ILC013-312244-
/O.CAN.KLSX.TO.W.0007.000000T0000Z-230331T2245Z/
Calhoun IL-
535 PM CDT Fri Mar 31 2023

...THE TORNADO WARNING FOR NORTH CENTRAL CALHOUN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Illinois.

LAT...LON 3926 9015 3926 9019 3922 9021 3922 9031
      3920 9059 3924 9060 3926 9061 3929 9060
      3935 9062 3938 9062 3939 9061 3952 9016
TIME...MOT...LOC 2234Z 255DEG 65KT 3930 9047 

$$

ILC061-312245-
/O.CON.KLSX.TO.W.0007.000000T0000Z-230331T2245Z/
Greene IL-
535 PM CDT Fri Mar 31 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR GREENE
COUNTY...
    
At 534 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Carrollton, moving east at 75 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
White Hall, Carrollton, Greenfield, Athensville, Wrights, Eldred,
Rockbridge, Walkersville, Woody, Belltown, Berdan and Haypress.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3926 9015 3926 9019 3922 9021 3922 9031
      3920 9059 3924 9060 3926 9061 3929 9060
      3935 9062 3938 9062 3939 9061 3952 9016
TIME...MOT...LOC 2234Z 255DEG 65KT 3930 9047 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Elmore

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 31, 12:40 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Ralls	50 min
Mar 31, 1:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Crawford, Iron, Washington	27 min
Mar 31, 1:37 PM CDT	Severe Thunderstorm Warning	LSX	Lewis	8 min
Mar 31, 2:44 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Monroe	46 min
Mar 31, 3:19 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Ralls	41 min
Mar 31, 3:29 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway	46 min
Mar 31, 3:49 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Ralls	41 min
Mar 31, 3:56 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway, Monroe, Pike, Ralls	49 min
Mar 31, 3:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Audrain, Montgomery, Pike	48 min
Mar 31, 4:02 PM CDT	Tornado Warning	LSX	Marion, Ralls	43 min
Mar 31, 4:27 PM CDT	Severe Thunderstorm Warning	LSX	Pike, Ralls	33 min
Mar 31, 4:40 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike	50 min
Mar 31, 4:41 PM CDT	Severe Thunderstorm Warning	LSX	Pike	34 min
Mar 31, 4:55 PM CDT	Tornado Warning	LSX	Crawford, Franklin, Gasconade	26 min
Mar 31, 5:09 PM CDT	Severe Thunderstorm Warning	LSX	Pike	51 min
Mar 31, 5:10 PM CDT	Tornado Warning	LSX	Crawford, Washington	19 min
Mar 31, 5:18 PM CDT	Tornado Warning	LSX	Crawford, Franklin, Washington	27 min
Mar 31, 5:31 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Washington	25 min
Mar 31, 5:40 PM CDT	High Wind Warning	LSX	Audrain, Boone, Callaway, Knox, Lewis, Marion and 4 more	3 hr
Mar 31, 6:24 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois	23 min
Mar 31, 1:15 PM CDT	Severe Thunderstorm Warning	LSX	Brown	23 min
Mar 31, 4:35 PM CDT	Tornado Warning	LSX	Adams, Brown, Pike	40 min
Mar 31, 6:28 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison, Saint Clair	47 min

Nearby

Tornado Warnings in Illinois, 2023 Tornado Warnings in Missouri, 2023 Every tornado warning in 2023 Tornadoes in 2023

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.