Alert archive / Illinois / Tornado Warnings in 2024

Tornado Warning 13, NWS St. Louis, MO

March 14, 2024Monroe County, Randolph County, Saint Clair County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 14, 2024, 4:58 PM CDT for Monroe County, Randolph County, Saint Clair County, Illinois. It was in force for 46 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 14, 2024, 4:58 PM CDT (21:58 UTC)
Expired: Mar 14, 2024, 5:44 PM CDT
In force: 46 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.0 in

Counties Monroe County, IL, Randolph County, IL, Saint Clair County, IL

The radar

The St Louis radar (KLSX), 71 km from the middle of the area, began a volume at 21:57 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 14, 4:59 PM CDT	HAIL 2.25	2 S Hecker, IL	Report from mPING: Hen Egg+ (2.25 in.).
Mar 14, 5:06 PM CDT	HAIL 1.75	2 Ssw Maeystown, IL

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 14, 1:33 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 250 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: 461 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 856 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

495 
WFUS53 KLSX 142158
TORLSX
ILC133-157-163-142300-
/O.NEW.KLSX.TO.W.0013.240314T2158Z-240314T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
458 PM CDT Thu Mar 14 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Monroe County in southwestern Illinois...
  North central Randolph County in southwestern Illinois...
  Southeastern St. Clair County in southwestern Illinois...

* Until 600 PM CDT.

* At 457 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Crystal City, moving northeast at 35 mph. 
  Another severe thunderstorm capable of producing a tornado was 
  norhtwest of Red Bud. 

  HAZARD...Tornado and hail up to two inches in diameter.

  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...
  New Design around 510 PM CDT.

Other locations in the path of this tornadic thunderstorm include Red
Bud and New Athens.

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 3823 8974 3813 9026 3817 9029 3819 9034
      3821 9035 3826 9037 3846 8988
TIME...MOT...LOC 2157Z 247DEG 29KT 3818 9032 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN

$$

Glass

5 follow-up statements

178 
WWUS53 KLSX 142206
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
506 PM CDT Thu Mar 14 2024

ILC133-157-163-142300-
/O.CON.KLSX.TO.W.0013.000000T0000Z-240314T2300Z/
Monroe IL-Randolph IL-St. Clair IL-
506 PM CDT Thu Mar 14 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTHERN
MONROE...NORTH CENTRAL RANDOLPH AND SOUTHEASTERN ST. CLAIR
COUNTIES...

At 505 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 8 miles southwest of New Design, moving east at 35 mph. 
Another severe thunderstorm capable of producing a tornado was 
located north of Red Bud.

HAZARD...Tornado and tennis ball 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...
  Red Bud, New Athens and Marissa.

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 3823 8974 3814 9022 3816 9025 3818 9027
      3821 9028 3826 9028 3846 8988
TIME...MOT...LOC 2205Z 251DEG 30KT 3818 9022 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN

$$

Glass

346 
WWUS53 KLSX 142215
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
515 PM CDT Thu Mar 14 2024

ILC133-157-163-142300-
/O.CON.KLSX.TO.W.0013.000000T0000Z-240314T2300Z/
Monroe IL-Randolph IL-St. Clair IL-
515 PM CDT Thu Mar 14 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHEASTERN MONROE...NORTH CENTRAL RANDOLPH AND SOUTHEASTERN ST.
CLAIR COUNTIES...

At 514 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near New Design, moving northeast at 35 mph. Another 
severe thunderstorm capable of producing a tornado was located south 
of New Athens.

HAZARD...Tornado and two inch 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...
Red Bud, New Athens, Marissa, New Design, Lenzburg, Hecker, Renault,
and Burksville.

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 3815 9015 3821 9018 3832 9014 3842 8985
      3823 8974
TIME...MOT...LOC 2214Z 247DEG 29KT 3821 9013 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN

$$

Glass

437 
WWUS53 KLSX 142226
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
526 PM CDT Thu Mar 14 2024

ILC133-157-163-142300-
/O.CON.KLSX.TO.W.0013.000000T0000Z-240314T2300Z/
Monroe IL-Randolph IL-St. Clair IL-
526 PM CDT Thu Mar 14 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR EASTERN
MONROE...NORTH CENTRAL RANDOLPH AND SOUTHEASTERN ST. CLAIR
COUNTIES...

At 526 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Red Bud, moving east at 50 mph. Another possible 
tornado was near Marissa.

HAZARD...Tornado and two inch 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...
Red Bud, New Athens, Marissa, Lenzburg, and Hecker.

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 3818 9000 3821 9001 3830 9000 3837 8982
      3823 8974
TIME...MOT...LOC 2226Z 255DEG 42KT 3824 8991 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN

$$

Glass

564 
WWUS53 KLSX 142236 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
536 PM CDT Thu Mar 14 2024

ILC133-157-142245-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-240314T2300Z/
Monroe IL-Randolph IL-
536 PM CDT Thu Mar 14 2024

...THE TORNADO WARNING FOR EASTERN MONROE AND NORTH CENTRAL RANDOLPH
COUNTIES 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 900 PM CDT for southwestern
Illinois.

&&

LAT...LON 3823 8974 3822 8980 3822 8990 3823 8990
      3825 8992 3826 8991 3828 8990 3830 8987
      3837 8982
TIME...MOT...LOC 2235Z 254DEG 31KT 3825 8979 

$$

ILC163-142300-
/O.CON.KLSX.TO.W.0013.000000T0000Z-240314T2300Z/
St. Clair IL-
536 PM CDT Thu Mar 14 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHEASTERN ST. CLAIR COUNTY...

At 535 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over mainly rural areas of southern St. Clair County, 
moving east at 35 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...
Marissa and Lenzburg.

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 3823 8974 3822 8980 3822 8990 3823 8990
      3825 8992 3826 8991 3828 8990 3830 8987
      3837 8982
TIME...MOT...LOC 2235Z 254DEG 31KT 3825 8979 

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

$$

Glass

510 
WWUS53 KLSX 142244
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
544 PM CDT Thu Mar 14 2024

ILC163-142254-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-240314T2300Z/
St. Clair IL-
544 PM CDT Thu Mar 14 2024

...THE TORNADO WARNING FOR SOUTHEASTERN ST. CLAIR COUNTY IS
CANCELLED...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for southwestern
Illinois.

&&

LAT...LON 3823 8974 3822 8980 3822 8990 3823 8990
      3825 8992 3826 8991 3828 8990 3830 8987
      3837 8982
TIME...MOT...LOC 2243Z 247DEG 29KT 3828 8970 

$$

Glass

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 7:24 PM CDT	Severe Thunderstorm Warning	LSX	Madison	51 min
Mar 13, 8:13 PM CDT	Severe Thunderstorm Warning	LSX	Madison	47 min
Mar 14, 2:40 AM CDT	Severe Thunderstorm Warning	LSX	Adams	50 min
Mar 14, 7:25 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Macoupin, Madison, Montgomery	50 min
Mar 14, 7:28 AM CDT	Tornado Warning	LSX	Calhoun, Jersey, Madison	22 min
Mar 14, 7:32 AM CDT	Tornado Warning	LSX	Jersey	20 min
Mar 14, 7:33 AM CDT	Tornado Warning	LSX	Madison	27 min
Mar 14, 7:47 AM CDT	Severe Thunderstorm Warning	LSX	Madison, Monroe, Saint Clair	43 min
Mar 14, 7:48 AM CDT	Tornado Warning	LSX	Jersey, Macoupin	29 min
Mar 14, 7:59 AM CDT	Tornado Warning	LSX	Macoupin, Montgomery	30 min
Mar 14, 8:10 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Macoupin, Madison, Montgomery	50 min
Mar 14, 8:15 AM CDT	Tornado Warning	LSX	Montgomery	11 min
Mar 14, 8:19 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Madison, Saint Clair	41 min
Mar 14, 3:43 PM CDT	Severe Thunderstorm Warning	LSX	Pike	14 min
Mar 14, 3:51 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Pike	39 min
Mar 14, 3:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Monroe	63 min
Mar 14, 4:11 PM CDT	Tornado Warning	LSX	Calhoun	41 min
Mar 14, 4:16 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair, Washington	44 min
Mar 14, 4:18 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	34 min
Mar 14, 4:21 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey	54 min
Mar 14, 4:21 PM CDT	Tornado Warning	LSX	Monroe	39 min
Mar 14, 4:25 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	65 min
Mar 14, 4:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Monroe, Saint Clair	25 min
Mar 14, 4:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Macoupin, Madison	59 min
Mar 14, 4:47 PM CDT	Tornado Warning	LSX	Macoupin, Montgomery	27 min
Mar 14, 4:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Monroe, Randolph, Saint Clair	40 min
Mar 14, 5:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Bond, Fayette, Montgomery	53 min
Mar 14, 5:10 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	65 min
Mar 14, 5:17 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	43 min
Mar 14, 5:25 PM CDT	Severe Thunderstorm Warning	LSX	Madison	50 min
Mar 14, 5:28 PM CDT	Tornado Warning	LSX	Saint Clair, Washington	47 min
Mar 14, 5:36 PM CDT	Areal Flood Advisory	LSX	Monroe, Saint Clair	3 hr
Mar 14, 5:38 PM CDT	Areal Flood Advisory	LSX	Bond, Madison	25 min
Mar 14, 5:40 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	50 min
Mar 14, 5:42 PM CDT	Severe Thunderstorm Warning	LSX	Madison	32 min
Mar 14, 5:44 PM CDT	Severe Thunderstorm Warning	LSX	Montgomery	41 min
Mar 14, 5:54 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette	51 min
Mar 14, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	50 min
Mar 14, 6:00 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	30 min
Mar 14, 6:03 PM CDT	Flash Flood Warning	LSX	Bond, Madison	3 hr
Mar 14, 6:08 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Montgomery	18 min
Mar 14, 6:08 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	21 min
Mar 14, 6:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Calhoun, Jersey	51 min
Mar 14, 6:16 PM CDT	Severe Thunderstorm Warning	LSX	Washington	27 min
Mar 14, 6:26 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Monroe, Saint Clair, Washington	64 min
Mar 14, 6:37 PM CDT	Areal Flood Advisory	LSX	Monroe, Saint Clair	3 hr
Mar 14, 6:42 PM CDT	Severe Thunderstorm Warning	LSX	Madison	27 min
Mar 14, 6:47 PM CDT	Tornado Warning	LSX	Fayette, Marion	28 min

Nearby

Tornado Warnings in Illinois, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.