Alert archive / Missouri / Tornado Warnings in 2023

Tornado Warning 4, NWS St. Louis, MO

March 31, 2023Marion County, Ralls County, Missouri; Adams County, Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 31, 2023, 4:02 PM CDT for Marion County, Ralls County, Missouri; Adams County, Pike County, Illinois. It was in force for 43 min. 24 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, 4:02 PM CDT (21:02 UTC)
Expired: Mar 31, 2023, 4:45 PM CDT
In force: 43 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.75 in

Counties Adams County, IL, Pike County, IL, Marion County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 129 km from the middle of the area, began a volume at 21:02 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, 4:02 PM CDT	HAIL 1	Hannibal, MO	REPORT FROM MPING: QUARTER (1.00 IN.).
Mar 31, 4:03 PM CDT	HAIL 1	Hannibal, MO
Mar 31, 4:03 PM CDT	HAIL 1.5	Hannibal, MO
Mar 31, 4:04 PM CDT	HAIL 1.25	Hannibal, MO
Mar 31, 4:05 PM CDT	HAIL 1.75	1 E Hannibal, MO
Mar 31, 4:05 PM CDT	HAIL 2.5	Hannibal, MO
Mar 31, 4:06 PM CDT	HAIL 1.25	1 S Hannibal, MO
Mar 31, 4:06 PM CDT	HAIL 1.75	Hannibal, MO
Mar 31, 4:07 PM CDT	HAIL 1.25	2 Sse Hannibal, MO
Mar 31, 4:09 PM CDT	HAIL 2	2 Sw Hannibal, MO
Mar 31, 4:10 PM CDT	HAIL 2	4 E Rensselaer, MO	DELAYED REPORT.
Mar 31, 4:11 PM CDT	HAIL 1.75	1 Nw Hannibal, MO	UP TO GOLF BALL SIZED HAIL, ENDED AT THE TIME OF THE CALL. VERY HEAVY RAIN FALLING NOW.
Mar 31, 4:11 PM CDT	HAIL 2	2 Ese Seehorn, IL	TIME ESTIMATED FROM RADAR.
Mar 31, 4:15 PM CDT	HAIL 2	1 Sw Hannibal, MO
Mar 31, 4:20 PM CDT	HAIL 1.5	1 E Richfield, IL
Mar 31, 4:22 PM CDT	HAIL 1.5	3 S Richfield, IL
Mar 31, 4:25 PM CDT	HAIL 1.75	2 Ese Hannibal, MO	MPING REPORT, TIME ESTIMATED FROM RADAR.
Mar 31, 4:27 PM CDT	HAIL 2	Kingston, IL	CORRECTS PREVIOUS HAIL REPORT FROM KINGSTON. TIME ESTIMATED.
Mar 31, 4:30 PM CDT	HAIL 2.5	1 Ene Kingston, IL
Mar 31, 4:30 PM CDT	HAIL 2.5	3 Ese Liberty, IL	TIME ESTIMATED VIA RADAR.
Mar 31, 4:30 PM CDT	HAIL 3	2 E Richfield, IL	DELAYED REPORT. ESTIMATED TIME FROM RADAR. 3 INCH HAIL REPORTED WITH PICTURE INCLUDED.
Mar 31, 4:33 PM CDT	HAIL 1.5	2 Ene Kingston, IL	DELAYED REPORT. TIME ESTIMATED BY RADAR.
Mar 31, 4:34 PM CDT	HAIL 3	1 E Richfield, IL	CONFIRMED WITH PICTURE OF HAIL AND RULER.
Mar 31, 4:35 PM CDT	HAIL 3.5	2 Nne Beverly, IL	VIA TWITTER WITH PICTURES. ON EAST 2775TH STREET JUST NORTH OF INTERSECTION WITH ILLINOIS ROUTE 104.

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

Davenport, (KDVN), launched 12:00Z, 9.0 hours before the alert went out and 211 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: 897 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 433 m²/s²
0-3 km storm-relative helicity: 424 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

901 
WFUS53 KLSX 312102
TORLSX
ILC001-149-MOC127-173-312145-
/O.NEW.KLSX.TO.W.0004.230331T2102Z-230331T2145Z/

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

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northwestern Pike County in west central Illinois...
  Southeastern Adams County in west central Illinois...
  Northeastern Ralls County in northeastern Missouri...
  Southeastern Marion County in northeastern Missouri...

* Until 445 PM CDT.
    
* At 402 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Hannibal, moving east at 65 mph.

  HAZARD...Tornado and baseball size hail.

  SOURCE...Radar indicated rotation. Spotters report base ball size 
           hail near Renssellaer. 

  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...
  Fall Creek around 410 PM CDT.
  Payson around 415 PM CDT.
  Barry around 420 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Beverly.

This includes the following highways...
 Interstate 172 near exit 2.
 Interstate 72 between exits 4 and 20.

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 3998 9100 3970 9082 3958 9151 3973 9155
TIME...MOT...LOC 2102Z 247DEG 58KT 3966 9142 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.75 IN

$$

Elmore

2 follow-up statements

438 
WWUS53 KLSX 312115
SVSLSX

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

MOC127-173-312124-
/O.CAN.KLSX.TO.W.0004.000000T0000Z-230331T2145Z/
Ralls MO-Marion MO-
415 PM CDT Fri Mar 31 2023

...THE TORNADO WARNING FOR NORTHEASTERN RALLS AND SOUTHEASTERN MARION
COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has !** 
weakened. Therefore, the warning has been cancelled.

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

LAT...LON 3970 9082 3963 9124 3967 9128 3973 9137
      3978 9136 3998 9100
TIME...MOT...LOC 2114Z 240DEG 30KT 3971 9126 

$$

ILC001-149-312145-
/O.CON.KLSX.TO.W.0004.000000T0000Z-230331T2145Z/
Pike IL-Adams IL-
415 PM CDT Fri Mar 31 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHWESTERN PIKE AND SOUTHEASTERN ADAMS COUNTIES IN WEST CENTRAL
ILLINOIS...
    
At 414 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fall Creek, moving northeast at 35 mph.

HAZARD...Tornado and baseball 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...
  Payson, Barry and Beverly.

This includes the following highways...
 Interstate 172 near exit 2.
 Interstate 72 between exits 4 and 20.

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 3970 9082 3963 9124 3967 9128 3973 9137
      3978 9136 3998 9100
TIME...MOT...LOC 2114Z 240DEG 30KT 3971 9126 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.75 IN

$$

Elmore

772 
WWUS53 KLSX 312130
SVSLSX

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

ILC001-149-312145-
/O.CON.KLSX.TO.W.0004.000000T0000Z-230331T2145Z/
Pike IL-Adams IL-
430 PM CDT Fri Mar 31 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR NORTH
CENTRAL PIKE AND SOUTHEASTERN ADAMS COUNTIES IN WEST CENTRAL
ILLINOIS...
    
At 430 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Beverly, moving northeast at 55 mph.

HAZARD...Tornado and ping pong 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...
Beverly, Kingston and Richfield. 

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 3974 9085 3976 9118 3998 9100
TIME...MOT...LOC 2130Z 245DEG 47KT 3980 9099 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 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, 4:27 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, 5:05 PM CDT	Tornado Warning	LSX	Lincoln, Pike	40 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 Missouri, 2023 Tornado Warnings in Illinois, 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.