Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 33, NWS Springfield, MO

December 10, 2021Maries County, Phelps County, Pulaski County, Missouri

NWS Springfield, MO issued this tornado warning at Dec 10, 2021, 6:25 PM CST for Maries County, Phelps County, Pulaski County, Missouri. It was in force for 35 min. 1 report 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, 6:25 PM CST (00:25 UTC)
Expired: Dec 10, 2021, 7:00 PM CST
In force: 35 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Maries County, MO, Phelps County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 143 km from the middle of the area, began a volume at 00:29 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, 6:43 PM CST	TSTM WND DMG	5 Wnw Vichy, MO	A LARGE TREE WAS REPORTED DOWN BLOCKING THE SOUTH BOUND LANE OF HIGHWAY 63.

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, 0.4 hours before the alert went out and 193 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.

336 
WFUS53 KSGF 110025
TORSGF
MOC125-161-169-110100-
/O.NEW.KSGF.TO.W.0033.211211T0025Z-211211T0100Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Western Maries County in central Missouri...
  Northeastern Pulaski County in central Missouri...
  Northwestern Phelps County in east central Missouri...

* Until 700 PM CST.
    
* At 624 PM CST, a severe thunderstorm capable of producing a tornado
  was located near St. Robert, or near Waynesville, moving northeast
  at 70 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...
  Rolla...                          Waynesville...
  St. Robert...                     Dixon...
  Crocker...                        Doolittle...
  Vienna...                         Newburg...
  Northwye...                       Jerome...

This includes Interstate 44 between mile markers 165 and 169, between
mile markers 171 and 179, and between mile markers 184 and 189.
 
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 3783 9223 3794 9228 3825 9186 3790 9167
TIME...MOT...LOC 0024Z 238DEG 60KT 3790 9218 

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

$$

Rothstein

2 follow-up statements

464 
WWUS53 KSGF 110031
SVSSGF

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

MOC125-161-169-110100-
/O.CON.KSGF.TO.W.0033.000000T0000Z-211211T0100Z/
Maries MO-Pulaski MO-Phelps MO-
631 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR WESTERN
MARIES...NORTHEASTERN PULASKI AND NORTHWESTERN PHELPS COUNTIES...
    
At 631 PM CST, a severe thunderstorm capable of producing a tornado
was located near Dixon, or 14 miles northeast of Waynesville, moving
northeast at 70 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...
Rolla...                          Dixon...
Doolittle...                      Vienna...
Newburg...                        Northwye...
Jerome...                         

This includes Interstate 44 between mile markers 172 and 179, and
between mile markers 184 and 189.
 
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 3788 9216 3800 9219 3825 9186 3795 9170
TIME...MOT...LOC 0031Z 238DEG 60KT 3797 9204 

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

$$

Rothstein

612 
WWUS53 KSGF 110038
SVSSGF

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

MOC169-110048-
/O.CAN.KSGF.TO.W.0033.000000T0000Z-211211T0100Z/
Pulaski MO-
638 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR NORTHEASTERN PULASKI 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 central and
east central Missouri.

LAT...LON 3795 9170 3792 9202 3801 9202 3801 9205
      3808 9208 3825 9186
TIME...MOT...LOC 0038Z 238DEG 60KT 3804 9190 

$$

MOC125-161-110100-
/O.CON.KSGF.TO.W.0033.000000T0000Z-211211T0100Z/
Maries MO-Phelps MO-
638 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR WESTERN
MARIES AND NORTHWESTERN PHELPS COUNTIES...
    
At 638 PM CST, a severe thunderstorm capable of producing a tornado
was located near Doolittle, or 10 miles northwest of Rolla, moving
northeast at 70 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...
Rolla...                          Doolittle...
Vienna...                         Jerome...
Northwye...                       

This includes Interstate 44 between mile markers 174 and 179, and
between mile markers 185 and 189.
 
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 3795 9170 3792 9202 3801 9202 3801 9205
      3808 9208 3825 9186
TIME...MOT...LOC 0038Z 238DEG 60KT 3804 9190 

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

$$

Rothstein

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, 6:27 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, 7:58 PM CST	Tornado Warning Tornado observed	SGF	Christian, Douglas, Ozark, Taney	47 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.