Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 145, NWS Kansas City, MO

October 24, 2021Cooper County, Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Oct 24, 2021, 4:56 PM CDT for Cooper County, Pettis County, Missouri. It was in force for 49 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
Oct 24, 2021, 4:56 PM CDT (21:56 UTC)
Expired
Oct 24, 2021, 5:45 PM CDT
In force
49 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cooper County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 124 km from the middle of the area, began a volume at 21:56 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
Oct 24, 4:57 PM CDTTORNADO3 S Sedalia, MONWS STORM SURVEY FOUND EVIDENCE OF A BRIEF EF-0 TORNADO JUST SOUTH OF SEDALIA.
Oct 24, 4:59 PM CDTTORNADO1 S Sedalia Memorial Ar, MOBRIEF CIRCULATION WITH DEBRIS JUST EAST OF SEDALIA ALONG HWY 50.

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
Oct 24, 2:06 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 226 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 2021-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 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 2021-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 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
860 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
737 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

127 
WUUS53 KEAX 242156
SVREAX
MOC053-159-242245-
/O.NEW.KEAX.SV.W.0145.211024T2156Z-211024T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
456 PM CDT Sun Oct 24 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Southeastern Pettis County in central Missouri...
  Cooper County in central Missouri...

* Until 545 PM CDT.

* At 455 PM CDT, a severe thunderstorm was located near Sedalia,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Sedalia, Boonville, Pilot Grove, Smithton, Otterville, Bunceton,
  Prairie Home, Wooldridge, Sedalia Memorial Arpt and Clifton City.

This includes Interstate 70 in Missouri between mile markers 102 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3872 9260 3868 9276 3870 9306 3862 9307
      3857 9343 3874 9331 3898 9265 3897 9261
      3897 9256 3892 9250
TIME...MOT...LOC 2155Z 249DEG 40KT 3869 9318 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BT
4 follow-up statements
309 
WWUS53 KEAX 242213 RRA
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
513 PM CDT Sun Oct 24 2021

MOC159-242223-
/O.CAN.KEAX.SV.W.0145.000000T0000Z-211024T2245Z/
Pettis MO-
513 PM CDT Sun Oct 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PETTIS COUNTY IS
CANCELLED...
    
The severe 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 3872 9260 3868 9276 3870 9306 3883 9305
      3898 9265 3897 9261 3897 9256 3892 9250
TIME...MOT...LOC 2213Z 249DEG 40KT 3876 9293 

$$

MOC053-242245-
/O.CON.KEAX.SV.W.0145.000000T0000Z-211024T2245Z/
Cooper MO-
513 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR COOPER COUNTY...

At 513 PM CDT, a severe thunderstorm was located near Otterville, or
11 miles northwest of Tipton, moving east at 45 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Boonville, Pilot Grove, Otterville, Bunceton, Prairie Home,
Wooldridge and Clifton City.

This includes Interstate 70 in Missouri between mile markers 102 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3872 9260 3868 9276 3870 9306 3883 9305
      3898 9265 3897 9261 3897 9256 3892 9250
TIME...MOT...LOC 2213Z 249DEG 40KT 3876 9293 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BT
537 
WWUS53 KEAX 242221
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
521 PM CDT Sun Oct 24 2021

MOC053-242245-
/O.CON.KEAX.SV.W.0145.000000T0000Z-211024T2245Z/
Cooper MO-
521 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR COOPER COUNTY...

At 521 PM CDT, a severe thunderstorm was located over Bunceton, or 9
miles north of Tipton, moving east at 45 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Boonville, Bunceton, Prairie Home and Wooldridge. 

This includes Interstate 70 in Missouri between mile markers 103 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3872 9260 3868 9276 3869 9296 3885 9294
      3898 9265 3897 9261 3897 9256 3892 9250
TIME...MOT...LOC 2221Z 249DEG 40KT 3879 9282 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BT
521 
WWUS53 KEAX 242235
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
535 PM CDT Sun Oct 24 2021

MOC053-242245-
/O.CON.KEAX.SV.W.0145.000000T0000Z-211024T2245Z/
Cooper MO-
535 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR EASTERN COOPER COUNTY...

At 535 PM CDT, a severe thunderstorm was located 9 miles northwest of
Jamestown, or 10 miles southeast of Boonville, moving east at 45 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Boonville, Bunceton, Prairie Home and Wooldridge. 

This includes Interstate 70 in Missouri between mile markers 104 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3872 9260 3868 9276 3869 9290 3895 9272
      3898 9265 3897 9261 3897 9256 3892 9250
TIME...MOT...LOC 2235Z 249DEG 40KT 3885 9263 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BT
368 
WWUS53 KEAX 242241
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
541 PM CDT Sun Oct 24 2021

MOC053-242251-
/O.EXP.KEAX.SV.W.0145.000000T0000Z-211024T2245Z/
Cooper MO-
541 PM CDT Sun Oct 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN COOPER COUNTY WILL
EXPIRE AT 545 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3872 9260 3868 9276 3869 9290 3895 9272
      3898 9265 3897 9261 3897 9256 3892 9250
TIME...MOT...LOC 2241Z 249DEG 40KT 3887 9255 

$$

BT

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 12:52 AM CDTSpecial Weather StatementEAXGrundy23 min
Oct 24, 1:26 AM CDTSpecial Weather StatementEAXBuchanan34 min
Oct 24, 5:07 AM CDTFlash Flood WarningEAXGrundy, Harrison, Sullivan5 hr
Oct 24, 8:26 AM CDTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston37 hr
Oct 24, 2:05 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan, Holt40 min
Oct 24, 2:12 PM CDTTornado Warning Tornado observedEAXAndrew, Holt33 min
Oct 24, 2:31 PM CDTTornado WarningEAXAndrew, Buchanan, DeKalb29 min
Oct 24, 2:39 PM CDTTornado WarningEAXAndrew23 min
Oct 24, 2:44 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, DeKalb46 min
Oct 24, 2:51 PM CDTTornado WarningEAXBuchanan, Clinton, DeKalb24 min
Oct 24, 3:23 PM CDTTornado WarningEAXDaviess, DeKalb, Gentry37 min
Oct 24, 3:26 PM CDTTornado WarningEAXCaldwell, Clinton34 min
Oct 24, 3:50 PM CDTTornado WarningEAXCaldwell, Daviess, Livingston25 min
Oct 24, 4:07 PM CDTSpecial Weather StatementEAXHenry, Johnson23 min
Oct 24, 4:10 PM CDTTornado WarningEAXLivingston35 min
Oct 24, 4:16 PM CDTTornado WarningEAXGrundy, Harrison, Mercer29 min
Oct 24, 4:29 PM CDTSevere Thunderstorm WarningEAXJohnson, Pettis31 min
Oct 24, 4:37 PM CDTTornado WarningEAXLinn, Livingston, Sullivan38 min
Oct 24, 4:57 PM CDTTornado WarningEAXCooper, Pettis33 min
Oct 24, 5:10 PM CDTTornado WarningEAXAdair, Linn, Macon, Sullivan35 min
Oct 24, 5:54 PM CDTSevere Thunderstorm WarningEAXAdair, Schuyler17 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning in 2021

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.