Alert archive / Missouri / Tornado Warnings in 2024

Tornado Warning 55, NWS St. Louis, MO

May 8, 2024Sainte Genevieve County, Missouri; Randolph County, Illinois

NWS St. Louis, MO issued this tornado warning at May 8, 2024, 1:55 PM CDT for Sainte Genevieve County, Missouri; Randolph County, Illinois. It was in force for 50 min. 10 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: May 8, 2024, 1:55 PM CDT (18:55 UTC)
Expired: May 8, 2024, 2:45 PM CDT
In force: 50 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Randolph County, IL, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 114 km from the middle of the area, began a volume at 18:54 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
May 8, 1:58 PM CDT	HAIL 1.75	1 Nne Ste. Genevieve, MO	Multiple reports of golf ball sized hail in Ste. Gen.
May 8, 2:06 PM CDT	HAIL 2	1 Ne Ste. Genevieve, MO	Via Twitter: size estimated from picture.
May 8, 2:06 PM CDT	HAIL 2	Ste. Genevieve, MO	Via Facebook. Picture of measured hailstone.
May 8, 2:06 PM CDT	HAIL 2.5	Ste. Genevieve, MO	Corrects previous hail report from Ste. Genevieve. Corrects previous hail report from Ste. Genevieve. Via Facebook. Picture of measured hailstone.
May 8, 2:06 PM CDT	HAIL 3	Ste. Genevieve, MO	Corrects previous hail report from Ste. Genevieve. Via Facebook. Picture of measured hailstone.
May 8, 2:12 PM CDT	HAIL 2.5	Ellis Grove, IL
May 8, 2:15 PM CDT	HAIL 1	3 Sw New Palestine, IL	Public reported quarter sized hail.
May 8, 2:24 PM CDT	HAIL 1.25	3 Sw New Palestine, IL	Report from mPING: Half Dollar (1.25 in.).
May 8, 2:27 PM CDT	HAIL 1.75	3 Ne New Palestine, IL	Golf ball sized hail reported northeast of Chester.
May 8, 2:30 PM CDT	HAIL 0.75	3 Sw Eden, IL	Report from mPING: Dime (0.75 in.).

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
May 8, 10:29 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 267 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: 1972 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: -112 m²/s²
0-3 km storm-relative helicity: -56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

653 
WFUS53 KLSX 081855
TORLSX
ILC157-MOC186-081945-
/O.NEW.KLSX.TO.W.0055.240508T1855Z-240508T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
155 PM CDT Wed May 8 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Central Randolph County in southwestern Illinois...
  Northeastern Ste. Genevieve County in southeastern Missouri...

* Until 245 PM CDT.

* At 154 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Ste. Genevieve, moving east at 30 mph.

  HAZARD...Tornado and golf 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.

* This dangerous storm will be near...
  Chester around 205 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Bremen, Steeleville and Percy.

This also includes Felix Valle House State Park.
 
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 3790 8963 3788 8964 3789 8981 3791 8984
      3789 8987 3790 9010 3805 9011 3811 8962
TIME...MOT...LOC 1854Z 269DEG 27KT 3796 9004 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN

$$

Glass

3 follow-up statements

000 
WWUS53 KLSX 081913
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
213 PM CDT Wed May 8 2024

MOC186-081923-
/O.CAN.KLSX.TO.W.0055.000000T0000Z-240508T1945Z/
Ste. Genevieve MO-
213 PM CDT Wed May 8 2024

...THE TORNADO WARNING FOR NORTHEASTERN STE. GENEVIEVE 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 500 PM CDT for southwestern
Illinois...and southeastern Missouri.

&&

LAT...LON 3793 8963 3791 8984 3791 8991 3794 8995
      3796 8992 3797 8994 3796 8998 3797 9000
      3801 9004 3806 9004 3811 8962
TIME...MOT...LOC 1913Z 269DEG 27KT 3796 8986 

$$

ILC157-081945-
/O.CON.KLSX.TO.W.0055.000000T0000Z-240508T1945Z/
Randolph IL-
213 PM CDT Wed May 8 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR EAST
CENTRAL RANDOLPH COUNTY...

At 213 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Chester, moving east at 30 mph.

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...
  Chester, Bremen, Steeleville and Percy.

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 3793 8963 3791 8984 3791 8991 3794 8995
      3796 8992 3797 8994 3796 8998 3797 9000
      3801 9004 3806 9004 3811 8962
TIME...MOT...LOC 1913Z 269DEG 27KT 3796 8986 

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

$$

Glass

352 
WWUS53 KLSX 081920
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
220 PM CDT Wed May 8 2024

ILC157-081945-
/O.CON.KLSX.TO.W.0055.000000T0000Z-240508T1945Z/
Randolph IL-
220 PM CDT Wed May 8 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR EAST
CENTRAL RANDOLPH COUNTY...

At 220 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Chester, moving east at 30 mph.

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...
Chester, Bremen, Steeleville, Percy, Blair, Ellis Grove, Welge,
Roots, and New Palestine.

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 3793 8963 3793 8986 3797 8994 3801 8999
      3807 8995 3811 8962
TIME...MOT...LOC 1920Z 260DEG 24KT 3797 8983 

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

$$

Glass

333 
WWUS53 KLSX 081929 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
229 PM CDT Wed May 8 2024

ILC157-081945-
/O.CON.KLSX.TO.W.0055.000000T0000Z-240508T1945Z/
Randolph IL-
229 PM CDT Wed May 8 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR EAST
CENTRAL RANDOLPH COUNTY...

At 229 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bremen, moving east at 30 mph.

HAZARD...Tornado and two inch hail.

SOURCE...Radar indicated rotation. Law Enforcement reported golfball 
         size hail around 4 miles northeast of Chester.

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...
Chester, Bremen, Steeleville, Percy, Blair, Ellis Grove, Welge, and
New Palestine.

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 3793 8963 3793 8986 3797 8994 3801 8993
      3808 8989 3811 8962
TIME...MOT...LOC 1929Z 269DEG 27KT 3797 8974 

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

$$

Glass

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 3:01 AM CDT	Flood Watch	LSX	Cole, Crawford, Franklin, Gasconade, Iron, Jefferson and 9 more	19 hr
May 8, 9:13 AM CDT	Severe Thunderstorm Warning	LSX	Cole, Moniteau	47 min
May 8, 9:55 AM CDT	Severe Thunderstorm Warning	LSX	Cole, Osage	50 min
May 8, 10:25 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Gasconade, Osage	65 min
May 8, 10:49 AM CDT	Areal Flood Advisory	LSX	Cole, Moniteau, Osage	3 hr
May 8, 10:53 AM CDT	River Flood Warning	LSX	Cole, Osage	4 days
May 8, 10:58 AM CDT	Tornado Warning	LSX	Crawford, Franklin, Gasconade	47 min
May 8, 11:27 AM CDT	Areal Flood Advisory	LSX	Crawford, Franklin, Gasconade	8 min
May 8, 11:27 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Franklin, Jefferson	48 min
May 8, 11:35 AM CDT	Flash Flood Warning	LSX	Crawford, Franklin, Gasconade	3 hr
May 8, 11:35 AM CDT	Tornado Warning	LSX	Crawford, Franklin, Washington	40 min
May 8, 11:37 AM CDT	River Flood Warning	LSX	Cole	45 hr
May 8, 12:11 PM CDT	Tornado Warning	LSX	Franklin, Jefferson, Washington	49 min
May 8, 12:20 PM CDT	Areal Flood Advisory	LSX	Franklin, Jefferson, Saint Louis, Washington	28 min
May 8, 12:48 PM CDT	Flash Flood Warning	LSX	Franklin, Jefferson, Saint Louis, Washington	3 hr
May 8, 12:56 PM CDT	Tornado Warning	LSX	Jefferson, Sainte Genevieve	49 min
May 8, 1:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Jefferson, Sainte Genevieve, Saint Francois	47 min
May 8, 1:14 PM CDT	River Flood Warning	LSX	Osage	33 hr
May 8, 1:21 PM CDT	River Flood Warning	LSX	Crawford, Washington	33 hr
May 8, 1:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Saint Francois, Washington	61 min
May 8, 1:36 PM CDT	Tornado Warning	LSX	Sainte Genevieve, Saint Francois, Washington	39 min
May 8, 2:00 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	60 min
May 8, 2:27 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	33 min
May 8, 2:44 PM CDT	Areal Flood Advisory	LSX	Sainte Genevieve, Saint Francois	3 hr
May 8, 3:15 PM CDT	Areal Flood Advisory	LSX	Sainte Genevieve, Saint Francois	3 hr
May 8, 4:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Crawford	55 min
May 8, 4:35 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Washington	40 min
May 8, 4:42 PM CDT	River Flood Warning	LSX	Jefferson	61 hr
May 8, 4:54 PM CDT	Severe Thunderstorm Warning	LSX	Washington	51 min
May 8, 5:00 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	29 min
May 8, 5:13 PM CDT	Flash Flood Warning	LSX	Jefferson	4 hr
May 8, 5:30 PM CDT	Severe Thunderstorm Warning	LSX	Saint Francois, Washington	45 min
May 8, 5:34 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	41 min
May 8, 5:50 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Sainte Genevieve	40 min
May 8, 6:05 PM CDT	Areal Flood Advisory	LSX	Crawford, Jefferson, Sainte Genevieve, Saint Francois, Washington	3 hr
May 8, 6:08 PM CDT	Tornado Warning	LSX	Sainte Genevieve	52 min
May 8, 6:12 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Sainte Genevieve, Saint Francois, Washington	63 min
May 8, 1:42 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	35 min
May 8, 2:41 PM CDT	Areal Flood Advisory	LSX	Monroe	3 hr
May 8, 2:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Randolph	18 min
May 8, 4:48 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	42 min
May 8, 5:28 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison, Montgomery, Saint Clair	47 min
May 8, 5:38 PM CDT	Areal Flood Advisory	LSX	Monroe, Saint Clair	3 hr
May 8, 6:29 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair, Washington	46 min

Nearby

Tornado Warnings in Missouri, 2024 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.