Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 37, NWS Springfield, MO

December 10, 20214 counties in Missouri

NWS Springfield, MO issued this tornado warning at Dec 10, 2021, 7:58 PM CST for 4 counties in Missouri. It was in force for 47 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 10, 2021, 7:58 PM CST (01:58 UTC)
Expired: Dec 10, 2021, 8:45 PM CST
In force: 47 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Christian County, MO, Douglas County, MO, Ozark County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 66 km from the middle of the area, began a volume at 02:02 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
Dec 10, 8:16 PM CST	TSTM WND DMG	3 E Goodhope, MO	DELAYED REPORT: TREE UPROOTED AND DAMAGED A HOME, ABOUT 6 MILES WEST OF AVA ON HIGHWAY 76.
Dec 10, 8:16 PM CST	TSTM WND DMG	4 Ene Goodhope, MO	DELAYED REPORT. LARGE TREE DOWN ON COUNTY ROAD 519 WHERE HIGHWAY PP ENDS.
Dec 10, 8:22 PM CST	TSTM WND DMG	1 E Ava, MO	A LARGE TREE WAS UPROOTED.

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 10, 5:17 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.0 hours before the alert went out and 83 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: 637 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1113 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 344 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 8.4

Open this sounding in Storm Lab

The text

As transmitted.

793 
WFUS53 KSGF 110158
TORSGF
MOC043-067-153-213-110245-
/O.NEW.KSGF.TO.W.0037.211211T0158Z-211211T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
758 PM CST Fri Dec 10 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northwestern Ozark County in southwestern Missouri...
  Western Douglas County in southwestern Missouri...
  Northeastern Taney County in southwestern Missouri...
  Southeastern Christian County in southwestern Missouri...

* Until 845 PM CST.
    
* At 758 PM CST, a tornado producing storm was located near
  Taneyville, or 7 miles north of Forsyth, moving east at 50 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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...
  Ava...                            Taneyville...
  Wasola...                         Garrison...
  Rome...                           Noble...
  Squires...                        Brownbranch...
  Bradleyville...                   Goodhope...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3673 9307 3689 9308 3705 9258 3672 9255
TIME...MOT...LOC 0158Z 252DEG 45KT 3680 9308 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

Perez

4 follow-up statements

320 
WWUS53 KSGF 110204
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
804 PM CST Fri Dec 10 2021

MOC043-067-153-213-110245-
/O.CON.KSGF.TO.W.0037.000000T0000Z-211211T0245Z/
Ozark MO-Douglas MO-Taney MO-Christian MO-
804 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR
NORTHWESTERN OZARK...WESTERN DOUGLAS...NORTHEASTERN TANEY AND
SOUTHEASTERN CHRISTIAN COUNTIES...
    
At 804 PM CST, a severe thunderstorm capable of producing a tornado
was located near Taneyville, or 11 miles northeast of Forsyth, moving
east at 50 mph. This storm has a history of producing tornadoes.

HAZARD...Tornado.

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...
Ava...                            Wasola...
Garrison...                       Rome...
Noble...                          Squires...
Brownbranch...                    Bradleyville...
Goodhope...                       

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 3675 9307 3690 9306 3705 9258 3672 9255
TIME...MOT...LOC 0204Z 252DEG 45KT 3682 9298 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Perez

080 
WWUS53 KSGF 110212
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
812 PM CST Fri Dec 10 2021

MOC043-110222-
/O.CAN.KSGF.TO.W.0037.000000T0000Z-211211T0245Z/
Christian MO-
812 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN CHRISTIAN 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 1100 PM CST for southwestern
Missouri.

LAT...LON 3675 9291 3693 9291 3705 9258 3672 9255
TIME...MOT...LOC 0212Z 248DEG 45KT 3684 9285 

$$

MOC067-153-213-110245-
/O.CON.KSGF.TO.W.0037.000000T0000Z-211211T0245Z/
Ozark MO-Douglas MO-Taney MO-
812 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR
NORTHWESTERN OZARK...WESTERN DOUGLAS AND NORTHEASTERN TANEY
COUNTIES...
    
At 812 PM CST, a severe thunderstorm capable of producing a tornado
was located 12 miles northeast of Taneyville, or 13 miles southwest
of Ava, moving east at 50 mph.

HAZARD...Tornado.

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...
Ava...                            Wasola...
Rome...                           Noble...
Squires...                        Brownbranch...
Bradleyville...                   Goodhope...

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 3675 9291 3693 9291 3705 9258 3672 9255
TIME...MOT...LOC 0212Z 248DEG 45KT 3684 9285 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Perez

810 
WWUS53 KSGF 110219
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
819 PM CST Fri Dec 10 2021

MOC213-110229-
/O.CAN.KSGF.TO.W.0037.000000T0000Z-211211T0245Z/
Taney MO-
819 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR NORTHEASTERN TANEY 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 1100 PM CST for southwestern
Missouri.

LAT...LON 3692 9277 3697 9269 3701 9258 3672 9255
      3681 9277
TIME...MOT...LOC 0219Z 248DEG 45KT 3685 9274 

$$

MOC067-153-110245-
/O.CON.KSGF.TO.W.0037.000000T0000Z-211211T0245Z/
Ozark MO-Douglas MO-
819 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR NORTH
CENTRAL OZARK AND SOUTHWESTERN DOUGLAS COUNTIES...
    
At 819 PM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Ava, moving east at 50 mph.

HAZARD...Tornado.

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...
Ava...                            Wasola...
Noble...                          Squires...

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 3692 9277 3697 9269 3701 9258 3672 9255
      3681 9277
TIME...MOT...LOC 0219Z 248DEG 45KT 3685 9274 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Perez

610 
WWUS53 KSGF 110242 RRA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
842 PM CST Fri Dec 10 2021

MOC067-153-110252-
/O.EXP.KSGF.TO.W.0037.000000T0000Z-211211T0245Z/
Ozark MO-Douglas MO-
842 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR NORTH CENTRAL OZARK AND SOUTHWESTERN
DOUGLAS COUNTIES WILL EXPIRE AT 845 PM CST...
        
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 1100 PM CST for southwestern
Missouri.

LAT...LON 3692 9277 3697 9269 3701 9258 3672 9255
      3681 9277
TIME...MOT...LOC 0242Z 252DEG 45KT 3693 9243 

$$

Perez

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 6:10 PM CST	Severe Thunderstorm Warning	SGF	Maries, Miller	35 min
Dec 10, 6:19 PM CST	Severe Thunderstorm Warning	SGF	Maries, Miller	26 min
Dec 10, 6:21 PM CST	Tornado Warning	SGF	Laclede, Pulaski, Texas, Wright	39 min
Dec 10, 6:22 PM CST	Severe Thunderstorm Warning	SGF	Maries, Phelps, Pulaski	38 min
Dec 10, 6:25 PM CST	Tornado Warning	SGF	Maries, Phelps, Pulaski	35 min
Dec 10, 6:27 PM CST	Severe Thunderstorm Warning	SGF	Barton, Dade, Jasper, Lawrence	26 min
Dec 10, 6:44 PM CST	Severe Thunderstorm Warning Considerable damage threat	SGF	Cedar, Dade, Greene, Lawrence, Polk	46 min
Dec 10, 6:48 PM CST	Tornado Warning	SGF	Maries, Phelps	15 min
Dec 10, 6:49 PM CST	Severe Thunderstorm Warning	SGF	Dent, Phelps, Pulaski	56 min
Dec 10, 7:04 PM CST	Severe Thunderstorm Warning	SGF	Barry, Stone	41 min
Dec 10, 7:11 PM CST	Severe Thunderstorm Warning Considerable damage threat	SGF	Dallas, Polk, Webster	49 min
Dec 10, 7:14 PM CST	Severe Thunderstorm Warning	SGF	Dent, Phelps, Texas	46 min
Dec 10, 7:26 PM CST	Tornado Warning	SGF	Barry, Christian, Stone	34 min
Dec 10, 7:37 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Stone, Taney	38 min
Dec 10, 7:37 PM CST	Severe Thunderstorm Warning Considerable damage threat	SGF	Camden, Dallas, Laclede, Miller, Polk, Pulaski	53 min
Dec 10, 7:39 PM CST	Tornado Warning	SGF	Christian, Stone, Taney	36 min
Dec 10, 7:45 PM CST	Severe Thunderstorm Warning	SGF	Christian, Douglas, Greene, Webster	45 min
Dec 10, 7:54 PM CST	Severe Thunderstorm Warning	SGF	Dallas, Greene, Laclede, Webster	36 min
Dec 10, 8:07 PM CST	Severe Thunderstorm Warning	SGF	Camden, Laclede, Maries, Miller, Phelps, Pulaski	47 min
Dec 10, 8:24 PM CST	Tornado Warning	SGF	Douglas, Texas, Wright	18 min
Dec 10, 8:41 PM CST	Severe Thunderstorm Warning	SGF	Douglas, Howell, Texas, Wright	34 min
Dec 10, 9:10 PM CST	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	35 min
Dec 10, 9:59 PM CST	Severe Thunderstorm Warning	SGF	Shannon	31 min

Nearby

Tornado Warnings in Missouri, 2021 Every tornado warning in 2021 Tornadoes 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.