Alert archive / Missouri / Tornado Warnings in 2024

Tornado Warning 22, NWS St. Louis, MO

April 2, 2024Monroe County, Illinois; Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 2, 2024, 1:32 AM CDT for Monroe County, Illinois; Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 28 min. 1 report 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
Apr 2, 2024, 1:32 AM CDT (06:32 UTC)
Expired
Apr 2, 2024, 2:00 AM CDT
In force
28 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Monroe County, IL, Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 79 km from the middle of the area, began a volume at 06:31 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

TimeReportWhereRemark
Apr 2, 1:34 AM CDTTSTM WND DMG3 E Bonne Terre, MOSpotter reported trees down along Hwy K. Trees that arent down have been stripped of leaves. Home damage nearby on Stormy Lane.

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
Apr 1, 10:37 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.5 hours before the alert went out and 275 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 2024-04-02Temperature 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 2024-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -179 square meters per square second.1939587897Sfc1 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
1400 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-179 m²/s²
0-3 km storm-relative helicity
-167 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

418 
WFUS53 KLSX 020632
TORLSX
ILC133-MOC099-186-187-020700-
/O.NEW.KLSX.TO.W.0022.240402T0632Z-240402T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
Issued by National Weather Service Kansas City/Pleasant Hill MO
132 AM CDT Tue Apr 2 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southwestern Monroe County in southwestern Illinois...
  Southeastern Jefferson County in east central Missouri...
  Northwestern Ste. Genevieve County in southeastern Missouri...
  Northwestern St. Francois County in southeastern Missouri...

* Until 200 AM CDT.

* At 132 AM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located near
  Bonne Terre, moving northeast at 65 mph.

  HAZARD...Tornado.

  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 tornadic thunderstorm will remain over mainly rural areas of
  southwestern Monroe, southeastern Jefferson, northwestern Ste.
  Genevieve and northwestern St. Francois Counties, including the
  following locations... Frankclay, Chalfin Bridge, Valles Mill,
  French Village, Kidd, Fults, Maeystown, Burksville, and Renault.

This also includes St. Francois State Park.
 
This includes Interstate 55 in Missouri between exits 154 and 170.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3802 9064 3831 9015 3811 9013 3809 9020
      3807 9017 3807 9015 3806 9013 3799 9012
      3782 9064
TIME...MOT...LOC 0632Z 237DEG 55KT 3799 9050 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

CMS/BT
1 follow-up statement
293 
WWUS53 KLSX 020648
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
Issued by National Weather Service Kansas City/Pleasant Hill MO
148 AM CDT Tue Apr 2 2024

ILC133-MOC099-186-187-020700-
/O.CON.KLSX.TO.W.0022.000000T0000Z-240402T0700Z/
Monroe IL-Jefferson MO-Ste. Genevieve MO-St. Francois MO-
148 AM CDT Tue Apr 2 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR SOUTH
CENTRAL MONROE...SOUTHEASTERN JEFFERSON...NORTHWESTERN STE. GENEVIEVE
AND NORTH CENTRAL ST. FRANCOIS COUNTIES...

At 147 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Rocky Ridge, moving east at 50 mph.

HAZARD...Tornado.

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...
Bloomsdale, Fults, Renault, French Village, and Kidd.

This includes Interstate 55 in Missouri between exits 154 and 162.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3809 9042 3825 9014 3811 9013 3809 9020
      3807 9017 3807 9015 3806 9013 3799 9012
      3791 9038
TIME...MOT...LOC 0647Z 253DEG 44KT 3798 9028 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 8:13 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey22 min
Apr 1, 11:26 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair20 min
Apr 2, 1:12 AM CDTSevere Thunderstorm WarningLSXMonroe48 min
Apr 2, 1:18 AM CDTSevere Thunderstorm WarningLSXMonroe, Randolph, Saint Clair42 min
Apr 2, 1:27 AM CDTFlash Flood WarningLSXBond, Fayette, Montgomery6 hr
Apr 2, 1:49 AM CDTTornado WarningLSXMonroe, Randolph26 min
Apr 2, 1:55 AM CDTSevere Thunderstorm WarningLSXRandolph50 min
Apr 2, 1:57 AM CDTSevere Thunderstorm Warning Considerable damage threatLSXClinton, Madison, Monroe, Saint Clair, Washington48 min
Apr 2, 2:10 AM CDTTornado WarningLSXRandolph50 min
Apr 2, 2:43 AM CDTFlash Flood WarningLSXMadison, Monroe, Saint Clair4 hr
Apr 2, 9:59 AM CDTRiver Flood WarningLSXFayette4 days
Apr 1, 7:32 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren58 min
Apr 1, 8:30 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Moniteau, Osage3 min
Apr 1, 8:37 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Moniteau, Osage53 min
Apr 1, 9:11 PM CDTSevere Thunderstorm WarningLSXCallaway, Gasconade, Montgomery, Osage23 min
Apr 1, 10:19 PM CDTSevere Thunderstorm WarningLSXFranklin41 min
Apr 1, 10:29 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade46 min
Apr 1, 10:47 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis, City of Saint Louis58 min
Apr 1, 10:53 PM CDTSevere Thunderstorm WarningLSXFranklin49 min
Apr 1, 11:38 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis, City of Saint Louis22 min
Apr 2, 12:12 AM CDTTornado WarningLSXCrawford, Franklin, Gasconade33 min
Apr 2, 12:25 AM CDTSevere Thunderstorm WarningLSXCrawford, Washington50 min
Apr 2, 12:43 AM CDTTornado WarningLSXCrawford, Franklin, Gasconade, Washington47 min
Apr 2, 12:47 AM CDTFlash Flood WarningLSXSaint Louis6 hr
Apr 2, 12:48 AM CDTTornado WarningLSXCrawford, Franklin, Gasconade, Washington42 min
Apr 2, 1:03 AM CDTFlash Flood WarningLSXFranklin, Gasconade6 hr
Apr 2, 2:15 AM CDTRiver Flood WarningLSXCole32 hr
Apr 2, 4:50 AM CDTRiver Flood WarningLSXLincoln18 hr
Apr 2, 7:34 AM CDTRiver Flood WarningLSXOsage16 hr

Nearby

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