Alert archive / Missouri / Tornado Warnings in 2024

Tornado Warning 39, NWS Kansas City, MO

May 21, 2024Henry County, Pettis County, Missouri

NWS Kansas City, MO issued this tornado warning at May 21, 2024, 5:25 PM CDT for Henry County, Pettis County, Missouri. It was in force for 35 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
May 21, 2024, 5:25 PM CDT (22:25 UTC)
Expired
May 21, 2024, 6:00 PM CDT
In force
35 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Henry County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 81 km from the middle of the area, began a volume at 22:27 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
May 21, 5:26 PM CDTTSTM WND DMG1 Ene Calhoun, MOBarn largely destroyed near Calhoun.
May 21, 5:26 PM CDTTORNADO2 E Calhoun, MOCorrects previous tornado report from 2 E Calhoun. NWS Damage Survey confirmed a brief EF-0 Tornado occurred east of Calhoun, MO just north of MO Hwy OO. The tornado lifted the roof off of a metal outbuilding, tossing the metal sides and roof to the north and
May 21, 5:26 PM CDTTORNADO2 E Calhoun, MONWS Damage Survey confirmed a brief EF-0 Tornado occurred east of Calhoun, MO just north of MO Hwy OO. The tornado lifted the roof off of a metal outbuilding, tossing the metal sides and roof to the north and northwest as well as some of the lighter contents o

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
May 21, 2:40 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 178 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, Springfield, MO at 12:00Z on 2024-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 594 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 2024-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.19395878Sfc1 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
594 J/kg
Mixed-layer CIN
-286 J/kg
Mixed-layer LCL
999 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

283 
WFUS53 KEAX 212225
TOREAX
MOC083-159-212300-
/O.NEW.KEAX.TO.W.0039.240521T2225Z-240521T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
525 PM CDT Tue May 21 2024

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northeastern Henry County in west central Missouri...
  Southern Pettis County in central Missouri...

* Until 600 PM CDT.

* At 524 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Calhoun, or near Windsor, moving east at 50 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...
  Windsor, Calhoun, and Truman Lake.

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 3833 9371 3851 9371 3868 9306 3853 9307
      3854 9328 3851 9330 3851 9351 3836 9352
TIME...MOT...LOC 2224Z 255DEG 45KT 3844 9355 

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

$$

BT
2 follow-up statements
533 
WWUS53 KEAX 212238 RRA
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
538 PM CDT Tue May 21 2024

MOC083-212248-
/O.CAN.KEAX.TO.W.0039.000000T0000Z-240521T2300Z/
Henry MO-
538 PM CDT Tue May 21 2024

...THE TORNADO WARNING FOR NORTHEASTERN HENRY 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 1000 PM CDT for central
Missouri.

&&

LAT...LON 3856 9351 3868 9306 3853 9307 3854 9328
      3851 9330 3851 9351
TIME...MOT...LOC 2238Z 255DEG 45KT 3849 9333 

$$

MOC159-212300-
/O.CON.KEAX.TO.W.0039.000000T0000Z-240521T2300Z/
Pettis MO-
538 PM CDT Tue May 21 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTHERN
PETTIS COUNTY...

At 538 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lincoln, or 10 miles east of Windsor, moving east at
50 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...
Windsor.

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 3856 9351 3868 9306 3853 9307 3854 9328
      3851 9330 3851 9351
TIME...MOT...LOC 2238Z 255DEG 45KT 3849 9333 

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

$$

BT
750 
WWUS53 KEAX 212251
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
551 PM CDT Tue May 21 2024

MOC159-212301-
/O.EXP.KEAX.TO.W.0039.000000T0000Z-240521T2300Z/
Pettis MO-
551 PM CDT Tue May 21 2024

...THE TORNADO WARNING FOR SOUTHERN PETTIS COUNTY WILL EXPIRE AT 600
PM CDT...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.

&&

LAT...LON 3856 9351 3868 9306 3853 9307 3854 9328
      3851 9330 3851 9351
TIME...MOT...LOC 2251Z 255DEG 45KT 3852 9316 

$$

BT

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 6:55 AM CDTSpecial Weather StatementEAXAtchison35 min
May 21, 7:33 AM CDTSpecial Weather StatementEAXNodaway42 min
May 21, 9:57 AM CDTRiver Flood WarningEAXAndrew, Buchanan3 days
May 21, 2:59 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clay, Clinton, Platte31 min
May 21, 3:29 PM CDTSevere Thunderstorm WarningEAXBuchanan, Caldwell, Cass, Clay, Clinton, Daviess and 9 more31 min
May 21, 3:57 PM CDTSevere Thunderstorm WarningEAXBates, Cass48 min
May 21, 4:09 PM CDTSevere Thunderstorm WarningEAXHarrison, Mercer36 min
May 21, 4:13 PM CDTTornado WarningEAXBates, Cass32 min
May 21, 4:19 PM CDTSevere Thunderstorm WarningEAXCaldwell, Carroll, Grundy, Linn, Livingston, Ray41 min
May 21, 4:29 PM CDTSevere Thunderstorm WarningEAXCarroll, Jackson, Lafayette, Ray31 min
May 21, 4:39 PM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry, Johnson36 min
May 21, 4:46 PM CDTSevere Thunderstorm WarningEAXMercer29 min
May 21, 4:51 PM CDTTornado WarningEAXMercer24 min
May 21, 4:58 PM CDTSevere Thunderstorm WarningEAXGrundy, Linn, Livingston, Mercer, Putnam, Sullivan32 min
May 21, 5:10 PM CDTSevere Thunderstorm WarningEAXHenry35 min
May 21, 5:25 PM CDTTornado WarningEAXAdair, Putnam, Schuyler, Sullivan35 min
May 21, 5:42 PM CDTSevere Thunderstorm WarningEAXHenry18 min
May 21, 5:56 PM CDTSpecial Weather StatementEAXSchuyler34 min
May 21, 6:17 PM CDTSevere Thunderstorm WarningEAXAdair, Macon28 min
May 21, 6:42 PM CDTSevere Thunderstorm WarningEAXAdair, Macon33 min

Nearby

Tornado Warnings in Missouri, 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.