Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 165, NWS Springfield, MO

December 10, 2021Greene County, Webster County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Dec 10, 2021, 5:33 PM CST for Greene County, Webster County, Missouri. It was in force for 42 min. 4 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, 5:33 PM CST (23:33 UTC)
Expired: Dec 10, 2021, 6:15 PM CST
In force: 42 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Greene County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 17 km from the middle of the area, began a volume at 23:33 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, 5:40 PM CST	TSTM WND DMG	4 Se Glidewell, MO	2 UTILITY POLES SNAPPED. TIME ESTIMATED FROM RADAR.
Dec 10, 5:40 PM CST	TSTM WND GST 60	2 W Galloway, MO	TIME ESTIMATED FROM RADAR.
Dec 10, 5:52 PM CST	TSTM WND GST 70	Strafford, MO
Dec 10, 6:00 PM CST	TSTM WND DMG	4 E Springfield, MO	SEVERAL LARGE LIMBS AT LEAST 3 INCHES IN DIAMETER WERE BROKEN. SEVERAL POWER POLES WERE ALSO REPORTED BROKEN.

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 12:00Z, 11.6 hours before the alert went out and 67 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: 62 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 870 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 419 m²/s²
0-3 km storm-relative helicity: 441 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

664 
WUUS53 KSGF 102333
SVRSGF
MOC077-225-110015-
/O.NEW.KSGF.SV.W.0165.211210T2333Z-211211T0015Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northwestern Webster County in southwestern Missouri...
  Eastern Greene County in southwestern Missouri...

* Until 615 PM CST.

* At 533 PM CST, a severe thunderstorm was located over Republic,
  moving northeast at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Springfield...                    Republic...
  Marshfield...                     Battlefield...
  Strafford...                      Fair Grove...
  Brookline...                      Elkland...
  Bassville...                      Turners...
  Galloway...                       Northview...

 This includes Interstate 44 between mile markers 68 and 99.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch 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 southwestern
Missouri.

&&

LAT...LON 3713 9355 3741 9315 3741 9308 3746 9307
      3748 9305 3721 9281 3709 9350
TIME...MOT...LOC 2333Z 243DEG 34KT 3713 9346 

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

$$

Perez

2 follow-up statements

545 
WWUS53 KSGF 102350
SVSSGF

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

MOC077-225-110015-
/O.CON.KSGF.SV.W.0165.000000T0000Z-211211T0015Z/
Webster MO-Greene MO-
550 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST
FOR NORTHWESTERN WEBSTER AND EASTERN GREENE COUNTIES...

At 549 PM CST, a severe thunderstorm was located over northeastern 
Springfield, moving northeast at 55 mph. Trained spotter report of 
60 mph wind gusts.

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Springfield...                    Marshfield...
Strafford...                      Fair Grove...
Elkland...                        Bassville...
Turners...                        Galloway...
Northview...                      

This includes Interstate 44 between mile markers 74 and 99.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch 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 3741 9315 3741 9308 3746 9307 3748 9305
      3721 9281 3713 9327 3725 9338
TIME...MOT...LOC 2349Z 235DEG 49KT 3724 9321 

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

$$

Perez

584 
WWUS53 KSGF 102353 CCA
SVSSGF

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

MOC077-225-110015-
/O.COR.KSGF.SV.W.0165.000000T0000Z-211211T0015Z/
Webster MO-Greene MO-
553 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST
FOR NORTHWESTERN WEBSTER AND EASTERN GREENE COUNTIES...

At 553 PM CST, severe thunderstorms were located along a line
extending from near Strafford to 6 miles northwest of Rogersville,
moving northeast at 55 mph.

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Springfield...                    Marshfield...
Strafford...                      Fair Grove...
Elkland...                        Bassville...
Turners...                        Galloway...
Northview...                      

This includes Interstate 44 between mile markers 74 and 99.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch 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 3741 9315 3741 9308 3746 9307 3748 9305
      3721 9281 3713 9327 3725 9338
TIME...MOT...LOC 2350Z 236DEG 49KT 3724 9321 

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

$$

Perez

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 2:42 AM CST	Dense Fog Advisory	SGF	Dent, Douglas, Howell, Maries, Oregon, Ozark and 5 more	6 hr
Dec 10, 5:44 PM CST	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede, Miller	46 min
Dec 10, 5:49 PM CST	Severe Thunderstorm Warning	SGF	Camden, Laclede, Pulaski	41 min
Dec 10, 5:59 PM CST	Tornado Warning	SGF	Laclede, Webster, Wright	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.