Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 162, NWS Kansas City, MO

December 15, 202113 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Dec 15, 2021, 7:08 PM CST for 13 counties in Missouri. It was in force for 82 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
Dec 15, 2021, 7:08 PM CST (01:08 UTC)
Expired
Dec 15, 2021, 8:30 PM CST
In force
82 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Damage threat
Considerable
Hail
0.75 in
Wind
70.0 mph

Counties Bates County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Cooper County, MO, Henry County, MO, Howard County, MO, Johnson County, MO, Lafayette County, MO, Pettis County, MO, Randolph County, MO, Ray County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 92 km from the middle of the area, began a volume at 01:11 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
Dec 15, 7:17 PM CSTTSTM WND GST 603 W Centerview, MO
Dec 15, 8:09 PM CSTTSTM WND GST 58Sedalia Memorial Arpt, MO
Dec 15, 8:09 PM CSTTSTM WND GST 67Sedalia Memorial Arpt, MOCORRECTS PREVIOUS TSTM WND GST REPORT FROM SEDALIA MEMORIAL ARPT.

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
Dec 15, 3:18 PM CSTSevere Thunderstorm WatchSPC5 hr
Dec 15, 6:00 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.1 hours before the alert went out and 213 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, Topeka, KS at 00:00Z on 2021-12-16Temperature 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, Topeka, KS at 00:00Z on 2021-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -149 square meters per square second.1939587897117136Sfc1 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
2425 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
-149 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

336 
WUUS53 KEAX 160108
SVREAX
MOC013-033-037-041-053-083-089-101-107-159-175-177-195-160230-
/O.NEW.KEAX.SV.W.0162.211216T0108Z-211216T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
708 PM CST Wed Dec 15 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Henry County in west central Missouri...
  Pettis County in central Missouri...
  Southwestern Carroll County in north central Missouri...
  Howard County in central Missouri...
  Cooper County in central Missouri...
  Johnson County in west central Missouri...
  Southeastern Cass County in west central Missouri...
  Southeastern Chariton County in north central Missouri...
  Southern Randolph County in north central Missouri...
  Eastern Bates County in west central Missouri...
  Southeastern Ray County in west central Missouri...
  Saline County in central Missouri...
  Lafayette County in west central Missouri...

* Until 830 PM CST.

* At 707 PM CST, severe thunderstorms were located along a line
  extending from near Wellington to near Kingsville to near Rich
  Hill, moving northeast at 80 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Sedalia, Warrensburg, Marshall, Clinton, Boonville, Odessa,
  Higginsville, Lexington, Butler, Windsor, Knob Noster, Fayette,
  Concordia, Holden, Slater, Garden City, Sweet Springs, Rich Hill,
  Glasgow and Whiteman Air Force Base.

This includes Interstate 70 in Missouri between mile markers 35 and
115.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
immediately to shelter inside a strong building. Stay away from 
windows.

&&

LAT...LON 3925 9232 3925 9243 3902 9256 3891 9250
      3868 9262 3870 9306 3853 9307 3851 9352
      3821 9353 3821 9405 3804 9406 3806 9439
      3860 9423 3919 9391 3930 9357 3934 9231
TIME...MOT...LOC 0107Z 237DEG 68KT 3909 9394 3871 9411 3813 9439 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

CDB
3 follow-up statements
602 
WWUS53 KEAX 160137
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
737 PM CST Wed Dec 15 2021

MOC037-177-160146-
/O.CAN.KEAX.SV.W.0162.000000T0000Z-211216T0230Z/
Cass MO-Ray MO-
737 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CASS AND
SOUTHEASTERN RAY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area.**! Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CST for
central, north central and west central Missouri.

LAT...LON 3925 9232 3925 9243 3902 9256 3891 9250
      3868 9262 3870 9306 3853 9307 3851 9352
      3821 9353 3821 9405 3804 9406 3806 9439
      3857 9396 3921 9363 3930 9357 3934 9231
TIME...MOT...LOC 0136Z 237DEG 68KT 3939 9335 3901 9352 3843 9381 

$$

MOC013-033-041-053-083-089-101-107-159-175-195-160230-
/O.CON.KEAX.SV.W.0162.000000T0000Z-211216T0230Z/
Chariton MO-Randolph MO-Henry MO-Bates MO-Pettis MO-Carroll MO-
Howard MO-Saline MO-Lafayette MO-Cooper MO-Johnson MO-
737 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR SOUTHEASTERN CHARITON...SOUTHERN RANDOLPH...HENRY...SOUTHEASTERN
BATES...PETTIS...SOUTH CENTRAL CARROLL...HOWARD...SALINE...EASTERN
LAFAYETTE...COOPER AND JOHNSON COUNTIES...

At 736 PM CST, severe thunderstorms were located along a line
extending from near Bosworth to near Concordia to near Clinton,
moving northeast at 80 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Sedalia, Warrensburg, Marshall, Clinton, Boonville, Higginsville,
Windsor, Knob Noster, Fayette, Concordia, Slater, Sweet Springs, Rich
Hill, Glasgow, Whiteman Air Force Base, La Monte, New Franklin,
Waverly, Pilot Grove and Smithton.

This includes Interstate 70 in Missouri between mile markers 50 and
115.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
to a shelter, inside a strong building and away from windows.

&&

LAT...LON 3925 9232 3925 9243 3902 9256 3891 9250
      3868 9262 3870 9306 3853 9307 3851 9352
      3821 9353 3821 9405 3804 9406 3806 9439
      3857 9396 3921 9363 3930 9357 3934 9231
TIME...MOT...LOC 0136Z 237DEG 68KT 3939 9335 3901 9352 3843 9381 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

CDB
199 
WWUS53 KEAX 160153
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
753 PM CST Wed Dec 15 2021

MOC013-033-107-160202-
/O.CAN.KEAX.SV.W.0162.000000T0000Z-211216T0230Z/
Bates MO-Carroll MO-Lafayette MO-
753 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BATES...SOUTH
CENTRAL CARROLL AND EASTERN LAFAYETTE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CST for
central, north central and west central Missouri.

LAT...LON 3925 9232 3925 9243 3902 9256 3898 9257
      3891 9250 3868 9262 3870 9306 3853 9307
      3851 9352 3821 9353 3822 9408 3829 9407
      3856 9369 3926 9333 3931 9333 3934 9231
TIME...MOT...LOC 0152Z 237DEG 68KT 3955 9304 3917 9321 3859 9350 

$$

MOC041-053-083-089-101-159-175-195-160230-
/O.CON.KEAX.SV.W.0162.000000T0000Z-211216T0230Z/
Chariton MO-Randolph MO-Henry MO-Pettis MO-Howard MO-Saline MO-
Cooper MO-Johnson MO-
753 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR SOUTHEASTERN CHARITON...SOUTHERN RANDOLPH...HENRY...PETTIS...
HOWARD...SALINE...COOPER AND SOUTHEASTERN JOHNSON COUNTIES...

At 752 PM CST, severe thunderstorms were located along a line
extending from 9 miles northwest of Keytesville to near Marshall to
near Windsor, moving northeast at 80 mph.

Spotters reported multiple sheds and fences down in the town of 
Warrensburg as the storms moved through. 

HAZARD...70 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Sedalia, Marshall, Clinton, Boonville, Windsor, Knob Noster, Fayette,
Slater, Sweet Springs, Glasgow, Whiteman Air Force Base, La Monte,
New Franklin, Pilot Grove, Smithton, Higbee, Green Ridge, Calhoun,
Otterville and Deepwater.

This includes Interstate 70 in Missouri between mile markers 64 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
to a shelter, inside a strong building and away from windows.

&&

LAT...LON 3925 9232 3925 9243 3902 9256 3898 9257
      3891 9250 3868 9262 3870 9306 3853 9307
      3851 9352 3821 9353 3822 9408 3829 9407
      3856 9369 3926 9333 3931 9333 3934 9231
TIME...MOT...LOC 0152Z 237DEG 68KT 3955 9304 3917 9321 3859 9350 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

CDB
739 
WWUS53 KEAX 160209
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
809 PM CST Wed Dec 15 2021

MOC083-101-160219-
/O.CAN.KEAX.SV.W.0162.000000T0000Z-211216T0230Z/
Henry MO-Johnson MO-
809 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR HENRY AND SOUTHEASTERN JOHNSON
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CST for
central and north central Missouri.

LAT...LON 3925 9232 3925 9243 3902 9256 3898 9257
      3891 9250 3868 9262 3870 9306 3853 9307
      3854 9328 3852 9330 3852 9337 3851 9351
      3896 9324 3931 9306 3934 9231
TIME...MOT...LOC 0209Z 235DEG 69KT 3930 9289 3892 9306 3835 9335 

$$

MOC041-053-089-159-175-195-160230-
/O.CON.KEAX.SV.W.0162.000000T0000Z-211216T0230Z/
Chariton MO-Randolph MO-Pettis MO-Howard MO-Saline MO-Cooper MO-
809 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR SOUTHEASTERN CHARITON...SOUTHERN RANDOLPH...PETTIS...HOWARD...
EASTERN SALINE AND COOPER COUNTIES...

At 809 PM CST, severe thunderstorms were located along a line
extending from near Glasgow to 8 miles northwest of Pilot Grove to
near Lincoln, moving northeast at 80 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Sedalia, Boonville, Fayette, Slater, Glasgow, New Franklin, Pilot
Grove, Smithton, Higbee, Green Ridge, Otterville, Bunceton, Clark,
Armstrong, Prairie Home, Gilliam, Nelson, Hughesville, Blackwater and
Franklin.

This includes Interstate 70 in Missouri between mile markers 77 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
to a shelter, inside a strong building and away from windows.

&&

LAT...LON 3925 9232 3925 9243 3902 9256 3898 9257
      3891 9250 3868 9262 3870 9306 3853 9307
      3854 9328 3852 9330 3852 9337 3851 9351
      3896 9324 3931 9306 3934 9231
TIME...MOT...LOC 0209Z 235DEG 69KT 3930 9289 3892 9306 3835 9335 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CDB

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 6:00 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCass, Jackson45 min
Dec 15, 6:11 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXBates, Cass64 min
Dec 15, 6:15 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCaldwell, Carroll, Clay, Clinton, Daviess, Livingston and 1 more60 min
Dec 15, 6:24 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXDaviess, Grundy, Harrison, Mercer, Putnam, Sullivan66 min
Dec 15, 6:35 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCarroll, Jackson, Lafayette40 min
Dec 15, 6:43 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCass, Jackson, Johnson47 min
Dec 15, 7:03 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXAdair, Carroll, Chariton, Grundy, Linn, Livingston and 7 more87 min
Dec 15, 8:25 PM CSTSevere Thunderstorm WarningEAXCooper, Howard, Randolph35 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.