Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 161, NWS Kansas City, MO

December 15, 202113 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Dec 15, 2021, 7:03 PM CST for 13 counties in Missouri. It was in force for 87 min. 5 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, 7:03 PM CST (01:03 UTC)
Expired: Dec 15, 2021, 8:30 PM CST
In force: 87 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Adair County, MO, Carroll County, MO, Chariton County, MO, Grundy County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Putnam County, MO, Randolph County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 162 km from the middle of the area, began a volume at 01:04 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
Dec 15, 7:06 PM CST	TSTM WND GST 85	2 Ene Lucerne, MO	STATE TROOPERS CAR PUSHED OFF THE ROAD. TIME ESTIMATED BASED ON RADAR.
Dec 15, 7:24 PM CST	TSTM WND DMG	5 Ne Unionville, MO	FOUR HOG BARNS WERE DESTROYED KILLING ALL THE HOGS INSIDE. TIME ESTIMATED FROM RADAR.
Dec 15, 7:24 PM CST	TSTM WND GST 80	Unionville, MO	ESTIMATED 75 TO 80 MPH WINDS REPORTED AS STORMS MOVED THROUGH UNIONVILLE.
Dec 15, 7:30 PM CST	TSTM WND DMG	1 Wsw Brookfield, MO	MOST OF THE ROOF TO AN AUTOMOTIVE REPAIR FACILITY WAS BLOWN OFF. TIME ESTIMATED FROM RADAR.
Dec 15, 8:35 PM CST	TSTM WND GST 61	Omar N Bradley Airport, MO	KMBY.

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
Dec 15, 1:23 PM CST	Tornado Watch	SPC	7 hr
Dec 15, 6:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.1 hours before the alert went out and 258 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: 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.

903 
WUUS53 KEAX 160103
SVREAX
MOC001-033-041-079-115-117-121-129-171-175-195-197-211-160230-
/O.NEW.KEAX.SV.W.0161.211216T0103Z-211216T0230Z/

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

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Linn County in north central Missouri...
  Eastern Grundy County in north central Missouri...
  Sullivan County in north central Missouri...
  Southeastern Mercer County in north central Missouri...
  Central Carroll County in north central Missouri...
  Macon County in north central Missouri...
  Eastern Livingston County in north central Missouri...
  Adair County in northeastern Missouri...
  Chariton County in north central Missouri...
  Randolph County in north central Missouri...
  Putnam County in north central Missouri...
  Schuyler County in northeastern Missouri...
  Northeastern Saline County in central Missouri...

* Until 830 PM CST.

* At 702 PM CST, severe thunderstorms were located along a line
  extending from 13 miles east of Princeton to near Chillicothe to 8
  miles north of Norborne, moving northeast at 85 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...
  Kirksville, Moberly, Chillicothe, Macon, Brookfield, Carrollton,
  Marceline, Milan, Unionville, Salisbury, Huntsville, La Plata,
  Lancaster, Brunswick, Bevier, Green City, Queen City, Keytesville,
  Bucklin and Meadville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for north central
Missouri.

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

&&

LAT...LON 3934 9232 3934 9279 3933 9280 3931 9292
      3930 9359 3978 9354 4057 9336 4060 9235
      3995 9235 3995 9229
TIME...MOT...LOC 0102Z 223DEG 74KT 4037 9334 3980 9363 3943 9365 

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

$$

CDB

4 follow-up statements

162 
WWUS53 KEAX 160117
SVSEAX

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

MOC001-033-041-079-115-117-121-129-171-175-195-197-211-160230-
/O.CON.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Linn MO-Grundy MO-Sullivan MO-Mercer MO-Carroll MO-Macon MO-
Livingston MO-Adair MO-Chariton MO-Randolph MO-Putnam MO-Schuyler MO-
Saline MO-
717 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR LINN...EASTERN GRUNDY...SULLIVAN...SOUTHEASTERN MERCER...CENTRAL
CARROLL...MACON...EASTERN LIVINGSTON...ADAIR...CHARITON...RANDOLPH...
PUTNAM...SCHUYLER AND NORTHEASTERN SALINE COUNTIES...

At 715 PM CST, severe thunderstorms were located along a line
extending from near Unionville to 10 miles northwest of Linneus to
near Hale, moving northeast at 90 mph.

A State Patrol vehicle was pushed off the road near Ravanna on 
Highway 136 and the tropper estimated 85 mph winds. 

THESE ARE DESTRUCTIVE STORMS FOR NORTHERN MISSOURI. 

HAZARD...80 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Kirksville, Moberly, Chillicothe, Macon, Brookfield, Carrollton,
Marceline, Milan, Unionville, Salisbury, Huntsville, La Plata,
Lancaster, Brunswick, Bevier, Green City, Queen City, Keytesville,
Bucklin and Meadville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for north central
Missouri.

This is an EXTREMELY DANGEROUS SITUATION. These storms are producing 
widespread wind damage across warning area. SEEK SHELTER NOW inside 
a sturdy structure and stay away from windows.

&&

LAT...LON 3934 9232 3934 9279 3933 9280 3931 9292
      3930 9359 3978 9354 4057 9336 4060 9235
      3995 9235 3995 9229
TIME...MOT...LOC 0115Z 228DEG 77KT 4051 9307 3994 9336 3957 9339 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH

$$

CDB

555 
WWUS53 KEAX 160135
SVSEAX

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

MOC079-117-129-160144-
/O.CAN.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Grundy MO-Mercer MO-Livingston MO-
735 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GRUNDY...SOUTHEASTERN
MERCER AND EASTERN LIVINGSTON 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 northeastern Missouri.

LAT...LON 3934 9232 3930 9359 3962 9326 3965 9328
      3979 9324 4058 9296 4060 9235 3995 9235
      3995 9229
TIME...MOT...LOC 0134Z 232DEG 69KT 4068 9271 4016 9291 3974 9308 3942
9330

$$

MOC001-033-041-115-121-171-175-195-197-211-160230-
/O.CON.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Adair MO-Chariton MO-Randolph MO-Linn MO-Sullivan MO-Putnam MO-
Carroll MO-Schuyler MO-Saline MO-Macon MO-
735 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR ADAIR...CHARITON...RANDOLPH...LINN...EASTERN SULLIVAN...EASTERN
PUTNAM...CENTRAL CARROLL...SCHUYLER...NORTH CENTRAL SALINE AND MACON
COUNTIES...

At 734 PM CST, severe thunderstorms were located along a line
extending from 8 miles east of Centerville to 7 miles south of
Greencastle to near Brookfield to near Bosworth, moving northeast at
80 mph.

THESE ARE DESTRUCTIVE STORMS FOR NORTHERN MISSOURI.

HAZARD...80 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Kirksville, Moberly, Macon, Brookfield, Carrollton, Marceline,
Unionville, Salisbury, Huntsville, La Plata, Lancaster, Brunswick,
Bevier, Green City, Queen City, Keytesville, Bucklin, Novinger,
Greentop and Atlanta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across northern Missouri. SEEK SHELTER NOW inside a 
sturdy structure and stay away from windows.
 
&&

LAT...LON 3934 9232 3930 9359 3962 9326 3965 9328
      3979 9324 4058 9296 4060 9235 3995 9235
      3995 9229
TIME...MOT...LOC 0134Z 232DEG 69KT 4068 9271 4016 9291 3974 9308 3942
9330

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH

$$

CDB

190 
WWUS53 KEAX 160149
SVSEAX

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

MOC171-211-160156-
/O.CAN.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Sullivan MO-Putnam MO-
749 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SULLIVAN AND EASTERN
PUTNAM COUNTIES IS CANCELLED...

The storms which prompted the warning have  moved out of the warned 
area. Therefore, the warning has been cancelled. Strong non-
thunderstorm winds to 60 mph are possible after the line of storms 
moves through. 

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

LAT...LON 3934 9232 3933 9275 3934 9279 3933 9280
      3931 9334 3974 9302 4034 9270 4035 9268
      4041 9267 4042 9269 4049 9269 4052 9267
      4053 9269 4059 9269 4060 9235 3995 9235
      3995 9229
TIME...MOT...LOC 0146Z 223DEG 74KT 4085 9250 4033 9270 3991 9287 3959
9309

$$

MOC001-033-041-115-121-175-195-197-160230-
/O.CON.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Adair MO-Chariton MO-Randolph MO-Linn MO-Carroll MO-Schuyler MO-
Saline MO-Macon MO-
749 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR ADAIR...CHARITON...RANDOLPH...SOUTHEASTERN LINN...EAST CENTRAL
CARROLL...SCHUYLER...NORTH CENTRAL SALINE AND MACON COUNTIES...

At 746 PM CST, severe thunderstorms were located along a line
extending from 8 miles northwest of Bloomfield to 6 miles north of
Novinger to 8 miles north of Bucklin to 11 miles southwest of
Marceline, moving northeast at 85 mph. 

Law enforcement reported 85 mph winds with several roofs blown off 
in the town of Unionville when the storms moved through.

THESE ARE DESTRUCTIVE STORMS FOR PARTS OF NORTHERN AND NORTHEASTERN 
MISSOURI.

HAZARD...80 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Kirksville, Moberly, Macon, Marceline, Salisbury, Huntsville, La
Plata, Lancaster, Brunswick, Bevier, Queen City, Keytesville,
Bucklin, Novinger, Greentop, Atlanta, Downing, Callao, Cairo and
Brashear.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across the warned area. SEEK SHELTER NOW inside a sturdy 
structure and stay away from windows.
 
&&

LAT...LON 3934 9232 3933 9275 3934 9279 3933 9280
      3931 9334 3974 9302 4034 9270 4035 9268
      4041 9267 4042 9269 4049 9269 4052 9267
      4053 9269 4059 9269 4060 9235 3995 9235
      3995 9229
TIME...MOT...LOC 0146Z 223DEG 74KT 4085 9250 4033 9270 3991 9287 3959
9309

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH

$$

CDB

633 
WWUS53 KEAX 160203
SVSEAX

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

MOC033-115-195-197-160212-
/O.CAN.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Linn MO-Carroll MO-Schuyler MO-Saline MO-
803 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LINN...EAST
CENTRAL CARROLL...SCHUYLER AND NORTH CENTRAL SALINE 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 northeastern Missouri.

LAT...LON 3934 9232 3933 9275 3934 9279 3933 9280
      3932 9306 3937 9308 3960 9298 3973 9284
      4033 9247 4035 9235 3995 9235 3995 9229
TIME...MOT...LOC 0202Z 232DEG 69KT 4011 9249 3968 9270 3921 9297 

$$

MOC001-041-121-175-160230-
/O.CON.KEAX.SV.W.0161.000000T0000Z-211216T0230Z/
Adair MO-Chariton MO-Randolph MO-Macon MO-
803 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR EASTERN ADAIR...EASTERN CHARITON...RANDOLPH AND MACON COUNTIES...

At 802 PM CST, severe thunderstorms were located along a line
extending from near La Plata to 6 miles southwest of Callao to near
Slater, 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...
Kirksville, Moberly, Macon, Salisbury, Huntsville, La Plata, Bevier,
Keytesville, Atlanta, Callao, Cairo, Brashear, New Cambria, Renick,
Jacksonville, Clifton Hill, Gibbs, Millard, Elmer and Ethel.

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 3934 9232 3933 9275 3934 9279 3933 9280
      3932 9306 3937 9308 3960 9298 3973 9284
      4033 9247 4035 9235 3995 9235 3995 9229
TIME...MOT...LOC 0202Z 232DEG 69KT 4011 9249 3968 9270 3921 9297 

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

$$

CDB

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 15, 6:00 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Cass, Jackson	45 min
Dec 15, 6:11 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Bates, Cass	64 min
Dec 15, 6:15 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Caldwell, Carroll, Clay, Clinton, Daviess, Livingston and 1 more	60 min
Dec 15, 6:24 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Daviess, Grundy, Harrison, Mercer, Putnam, Sullivan	66 min
Dec 15, 6:35 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Carroll, Jackson, Lafayette	40 min
Dec 15, 6:43 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Cass, Jackson, Johnson	47 min
Dec 15, 7:08 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Bates, Carroll, Cass, Chariton, Cooper, Henry and 7 more	82 min
Dec 15, 8:25 PM CST	Severe Thunderstorm Warning	EAX	Cooper, Howard, Randolph	35 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 Every 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.