Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 182, NWS Springfield, MO

December 10, 20214 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Dec 10, 2021, 8:41 PM CST for 4 counties in Missouri. It was in force for 34 min. 2 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, 8:41 PM CST (02:41 UTC)
Expired: Dec 10, 2021, 9:15 PM CST
In force: 34 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Douglas County, MO, Howell County, MO, Texas County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 113 km from the middle of the area, began a volume at 02:45 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, 8:45 PM CST	TSTM WND DMG	3 Wnw Cabool, MO	POWER OUTAGES FOR AROUND 2000 CUSTOMERS OCCURRED AS SEVERAL POWER LINES AND POLES WERE DOWNED BY HIGH WINDS BETWEEN MOUNTAIN GROVE AND CABOOL.
Dec 10, 8:58 PM CST	HAIL 1.5	Willow Springs, MO

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, 3:07 PM CST	Tornado Watch	SPC	11 hr
Dec 10, 5:17 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 147 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.

335 
WUUS53 KSGF 110241
SVRSGF
MOC067-091-215-229-110315-
/O.NEW.KSGF.SV.W.0182.211211T0241Z-211211T0315Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern Wright County in southwestern Missouri...
  Northeastern Douglas County in southwestern Missouri...
  Northern Howell County in south central Missouri...
  Southern Texas County in south central Missouri...

* Until 915 PM CST.

* At 841 PM CST, severe thunderstorms were located along a line
  extending from Mountain Grove to 11 miles southeast of Norwood,
  moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Mountain Grove...                 Mountain View...
  Willow Springs...                 Cabool...
  Houston...                        Summersville...
  Raymondville...                   Arroll...
  Elk Creek...                      Eunice...
  Yukon...                          Hartshorn...
  Vanzant...                        Clear Springs...
  Solo...                           Simmons...
  Drury...                          

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 southwestern 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 southwestern Missouri.

&&

LAT...LON 3686 9247 3697 9234 3715 9232 3743 9166
      3696 9166
TIME...MOT...LOC 0241Z 253DEG 51KT 3713 9225 3700 9227 3691 9237 

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

$$

Perez

2 follow-up statements

164 
WWUS53 KSGF 110253
SVSSGF

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

MOC067-229-110303-
/O.CAN.KSGF.SV.W.0182.000000T0000Z-211211T0315Z/
Wright MO-Douglas MO-
853 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WRIGHT AND
NORTHEASTERN DOUGLAS COUNTIES IS CANCELLED...

The storms which prompted the warning have 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 southwestern Missouri.

LAT...LON 3705 9209 3706 9214 3718 9211 3743 9166
      3700 9166 3697 9209
TIME...MOT...LOC 0253Z 253DEG 51KT 3717 9205 3704 9208 3696 9218 

$$

MOC091-215-110315-
/O.CON.KSGF.SV.W.0182.000000T0000Z-211211T0315Z/
Howell MO-Texas MO-
853 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CST
FOR NORTHERN HOWELL AND SOUTHEASTERN TEXAS COUNTIES...

At 853 PM CST, severe thunderstorms were located along a line
extending from near Cabool to 7 miles northwest of Willow Springs,
moving east at 60 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Mountain View...                  Willow Springs...
Cabool...                         Summersville...
Raymondville...                   Arroll...
Elk Creek...                      Eunice...
Yukon...                          Hartshorn...
Clear Springs...                  Solo...
Simmons...                        

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 southwestern Missouri.

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

&&

LAT...LON 3705 9209 3706 9214 3718 9211 3743 9166
      3700 9166 3697 9209
TIME...MOT...LOC 0253Z 253DEG 51KT 3717 9205 3704 9208 3696 9218 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Rothstein

427 
WWUS53 KSGF 110302
SVSSGF

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

MOC091-110311-
/O.CAN.KSGF.SV.W.0182.000000T0000Z-211211T0315Z/
Howell MO-
902 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HOWELL COUNTY IS
CANCELLED...

The storms which prompted the warning have 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.

LAT...LON 3705 9196 3709 9197 3728 9193 3743 9166
      3705 9166
TIME...MOT...LOC 0301Z 249DEG 64KT 3724 9184 3711 9187 3703 9197 

$$

MOC215-110315-
/O.CON.KSGF.SV.W.0182.000000T0000Z-211211T0315Z/
Texas MO-
902 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CST
FOR SOUTHEASTERN TEXAS COUNTY...

At 901 PM CST, severe thunderstorms were located along a line
extending from 6 miles south of Raymondville to 12 miles northwest of
Mountain View to near Willow Springs, moving east at 75 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Summersville...                   Raymondville...
Yukon...                          Hartshorn...
Clear Springs...                  Arroll...
Eunice...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3705 9196 3709 9197 3728 9193 3743 9166
      3705 9166
TIME...MOT...LOC 0301Z 249DEG 64KT 3724 9184 3711 9187 3703 9197 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 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.

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, 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, 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

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.