Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 173, NWS Springfield, MO

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

NWS Springfield, MO issued this severe thunderstorm warning at Dec 10, 2021, 6:49 PM CST for Dent County, Phelps County, Pulaski County, Missouri. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 10, 2021, 6:49 PM CST (00:49 UTC)
Expired
Dec 10, 2021, 7:45 PM CST
In force
56 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Dent County, MO, Phelps County, MO, Pulaski County, MO

The radar

The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 00:52 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 10, 3:07 PM CSTTornado WatchSPC11 hr
Dec 10, 5:17 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 203 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 00:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 637 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 00:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 344 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
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.

162 
WUUS53 KSGF 110049
SVRSGF
MOC065-161-169-110145-
/O.NEW.KSGF.SV.W.0173.211211T0049Z-211211T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
649 PM CST Fri Dec 10 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northwestern Dent County in south central Missouri...
  Southeastern Pulaski County in central Missouri...
  Central Phelps County in east central Missouri...

* Until 745 PM CST.

* At 649 PM CST, a severe thunderstorm was located over southern Fort
  Leonard Wood, moving northeast at 50 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Rolla...                          Fort Leonard Wood...
  Waynesville...                    St. Robert...
  St. James...                      Doolittle...
  Newburg...                        Edgar Springs...
  Devil's Elbow...                  Lecoma...
  Lake Spring...                    

 This includes Interstate 44 between mile markers 158 and 169, near
mile marker 171, and between mile markers 180 and 185, and near mile
marker 193.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CST for south central
Missouri. A Tornado Watch also remains in effect until 1100 PM CST
for central and east central Missouri.

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

A Tornado Watch remains in effect until 1100 PM CST for south central
Missouri. A Tornado Watch also remains in effect until 1100 PM CST
for central and east central Missouri.

&&

LAT...LON 3778 9153 3760 9222 3785 9219 3802 9153
TIME...MOT...LOC 0049Z 240DEG 43KT 3764 9216 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Perez
2 follow-up statements
633 
WWUS53 KSGF 110102 RRA
SVSSGF

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

MOC169-110112-
/O.CAN.KSGF.SV.W.0173.000000T0000Z-211211T0145Z/
Pulaski MO-
702 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PULASKI 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 1100 PM CST for south central
Missouri. A Tornado Watch also remains in effect until 1100 PM CST
for central and east central Missouri.

LAT...LON 3778 9153 3765 9200 3765 9203 3789 9202
      3802 9153
TIME...MOT...LOC 0102Z 232DEG 52KT 3777 9196 

$$

MOC065-161-110145-
/O.CON.KSGF.SV.W.0173.000000T0000Z-211211T0145Z/
Dent MO-Phelps MO-
702 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CST
FOR NORTHWESTERN DENT AND CENTRAL PHELPS COUNTIES...

At 702 PM CST, a severe thunderstorm was located 10 miles south of
Newburg, or 11 miles east of Fort Leonard Wood, moving northeast at
60 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Rolla...                          St. James...
Newburg...                        Edgar Springs...
Lake Spring...                    Lecoma...

This includes Interstate 44 near mile marker 169, and between mile
markers 180 and 185, and near mile marker 193.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CST for south central
Missouri. A Tornado Watch also remains in effect until 1100 PM CST
for central and east central Missouri.

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

&&

LAT...LON 3778 9153 3765 9200 3765 9203 3789 9202
      3802 9153
TIME...MOT...LOC 0102Z 232DEG 52KT 3777 9196 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Rothstein
727 
WWUS53 KSGF 110115
SVSSGF

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

MOC065-161-110145-
/O.CON.KSGF.SV.W.0173.000000T0000Z-211211T0145Z/
Dent MO-Phelps MO-
715 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CST
FOR NORTHWESTERN DENT AND SOUTHEASTERN PHELPS COUNTIES...

At 715 PM CST, a severe thunderstorm was located 7 miles southeast of
Rolla, moving northeast at 70 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Rolla...                          St. James...
Lake Spring...                    Lecoma...

This includes Interstate 44 between mile markers 183 and 184.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CST for south central
Missouri. A Tornado Watch also remains in effect until 1100 PM CST
for east central Missouri.

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

&&

LAT...LON 3778 9153 3771 9185 3794 9181 3802 9153
TIME...MOT...LOC 0115Z 244DEG 59KT 3785 9170 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Rothstein

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 6:10 PM CSTSevere Thunderstorm WarningSGFMaries, Miller35 min
Dec 10, 6:19 PM CSTSevere Thunderstorm WarningSGFMaries, Miller26 min
Dec 10, 6:21 PM CSTTornado WarningSGFLaclede, Pulaski, Texas, Wright39 min
Dec 10, 6:22 PM CSTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski38 min
Dec 10, 6:25 PM CSTTornado WarningSGFMaries, Phelps, Pulaski35 min
Dec 10, 6:27 PM CSTSevere Thunderstorm WarningSGFBarton, Dade, Jasper, Lawrence26 min
Dec 10, 6:44 PM CSTSevere Thunderstorm Warning Considerable damage threatSGFCedar, Dade, Greene, Lawrence, Polk46 min
Dec 10, 6:48 PM CSTTornado WarningSGFMaries, Phelps15 min
Dec 10, 7:04 PM CSTSevere Thunderstorm WarningSGFBarry, Stone41 min
Dec 10, 7:11 PM CSTSevere Thunderstorm Warning Considerable damage threatSGFDallas, Polk, Webster49 min
Dec 10, 7:14 PM CSTSevere Thunderstorm WarningSGFDent, Phelps, Texas46 min
Dec 10, 7:26 PM CSTTornado WarningSGFBarry, Christian, Stone34 min
Dec 10, 7:37 PM CSTSevere Thunderstorm WarningSGFBarry, Christian, Stone, Taney38 min
Dec 10, 7:37 PM CSTSevere Thunderstorm Warning Considerable damage threatSGFCamden, Dallas, Laclede, Miller, Polk, Pulaski53 min
Dec 10, 7:39 PM CSTTornado WarningSGFChristian, Stone, Taney36 min
Dec 10, 7:45 PM CSTSevere Thunderstorm WarningSGFChristian, Douglas, Greene, Webster45 min
Dec 10, 7:54 PM CSTSevere Thunderstorm WarningSGFDallas, Greene, Laclede, Webster36 min
Dec 10, 7:58 PM CSTTornado Warning Tornado observedSGFChristian, Douglas, Ozark, Taney47 min
Dec 10, 8:07 PM CSTSevere Thunderstorm WarningSGFCamden, Laclede, Maries, Miller, Phelps, Pulaski47 min
Dec 10, 8:24 PM CSTTornado WarningSGFDouglas, Texas, Wright18 min
Dec 10, 8:41 PM CSTSevere Thunderstorm WarningSGFDouglas, Howell, Texas, Wright34 min
Dec 10, 9:10 PM CSTSevere Thunderstorm WarningSGFDent, Shannon, Texas35 min
Dec 10, 9:59 PM CSTSevere Thunderstorm WarningSGFShannon31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.