Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 41, NWS Springfield, MO

December 1, 2018Webster County, Wright County, Missouri

NWS Springfield, MO issued this tornado warning at Dec 1, 2018, 1:30 AM CST for Webster County, Wright County, Missouri. It was in force for 30 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 1, 2018, 1:30 AM CST (07:30 UTC)
Expired: Dec 1, 2018, 2:00 AM CST
In force: 30 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 75 km from the middle of the area, began a volume at 07:30 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 1, 1:37 AM CST	TORNADO	5 Nw Hartville, MO	A BRIEF EF-0 TORNADO TRACKED FOR APPROXIMATELY ONE QUARTER OF A MILE AND BROKE SEVERAL LARGE TREE BRANCHES.
Dec 1, 1:38 AM CST	TSTM WND DMG	4 Ne Odin, MO	MULTIPLE LARGE TREE LIMBS DOWNED AND TRASH DUMPSTERS DISPLACED. TIME ESTIMATED BY RADAR.

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
Nov 30, 9:47 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.5 hours before the alert went out and 117 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: 202 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 687 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 266 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

430 
WFUS53 KSGF 010730
TORSGF
MOC225-229-010800-
/O.NEW.KSGF.TO.W.0041.181201T0730Z-181201T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
130 AM CST SAT DEC 1 2018

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  East central Webster County in southwestern Missouri...
  Wright County in southwestern Missouri...

* Until 200 AM CST.
    
* At 130 AM CST, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Seymour, or 14 miles southeast of
  Marshfield, moving northeast at 45 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...
  Mansfield...                      Hartville...
  Duncan...                         Manes...
  Grovespring...                    Odin...
  Graff...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3707 9263 3723 9278 3748 9269 3747 9236
      3735 9225 3706 9255
TIME...MOT...LOC 0730Z 224DEG 37KT 3723 9268 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Hatch

3 follow-up statements

575 
WWUS53 KSGF 010736 RRA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
136 AM CST SAT DEC 1 2018

MOC225-010746-
/O.CAN.KSGF.TO.W.0041.000000T0000Z-181201T0800Z/
Webster MO-
136 AM CST SAT DEC 1 2018

...THE TORNADO WARNING FOR EAST CENTRAL WEBSTER 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 500 AM CST for south central
and southwestern Missouri.

LAT...LON 3717 9259 3726 9268 3748 9268 3747 9236
      3735 9225 3707 9254
TIME...MOT...LOC 0736Z 224DEG 37KT 3728 9262 

$$

MOC229-010800-
/O.CON.KSGF.TO.W.0041.000000T0000Z-181201T0800Z/
Wright MO-
136 AM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CST FOR WRIGHT
COUNTY...
    
At 136 AM CST, a severe thunderstorm capable of producing a tornado
was located near Hartville, or 16 miles east of Marshfield, moving
northeast at 45 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...
Hartville...                      Manes...
Grovespring...                    Odin...
Graff...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3717 9259 3726 9268 3748 9268 3747 9236
      3735 9225 3707 9254
TIME...MOT...LOC 0736Z 224DEG 37KT 3728 9262 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Hatch

527 
WWUS53 KSGF 010742
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
142 AM CST SAT DEC 1 2018

MOC229-010800-
/O.CON.KSGF.TO.W.0041.000000T0000Z-181201T0800Z/
Wright MO-
142 AM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CST FOR WRIGHT
COUNTY...
    
At 142 AM CST, a severe thunderstorm capable of producing a tornado
was located near Hartville, or 20 miles east of Marshfield, moving
northeast at 45 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...
Hartville...                      Manes...
Grovespring...                    Graff...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3718 9251 3732 9260 3748 9264 3747 9236
      3735 9225 3713 9248
TIME...MOT...LOC 0742Z 224DEG 40KT 3735 9254 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Hatch

602 
WWUS53 KSGF 010752 RRA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
152 AM CST SAT DEC 1 2018

MOC229-010802-
/O.EXP.KSGF.TO.W.0041.000000T0000Z-181201T0800Z/
Wright MO-
152 AM CST SAT DEC 1 2018

...THE TORNADO WARNING FOR WRIGHT COUNTY WILL EXPIRE AT 200 AM CST...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 500 AM CST for south central
and southwestern Missouri.

LAT...LON 3718 9251 3732 9260 3748 9264 3747 9236
      3735 9225 3713 9248
TIME...MOT...LOC 0752Z 224DEG 37KT 3741 9246 

$$

Hatch

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 7:42 PM CST	Special Weather Statement	SGF	Barton, Jasper	48 min
Nov 30, 7:53 PM CST	Special Weather Statement	SGF	Ozark	52 min
Nov 30, 8:10 PM CST	Special Weather Statement	SGF	Taney	50 min
Nov 30, 9:24 PM CST	Special Weather Statement	SGF	Webster	51 min
Nov 30, 10:42 PM CST	Special Weather Statement	SGF	Webster	33 min
Nov 30, 11:35 PM CST	Severe Thunderstorm Warning	SGF	Jasper, McDonald, Newton	40 min
Nov 30, 11:40 PM CST	Severe Thunderstorm Warning	SGF	Barton, Jasper, Vernon	50 min
Dec 1, 12:04 AM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Jasper, Lawrence, McDonald, Newton and 1 more	41 min
Dec 1, 12:25 AM CST	Severe Thunderstorm Warning	SGF	Cedar, Dade, St. Clair, Vernon	65 min
Dec 1, 12:34 AM CST	Tornado Warning	SGF	Christian, Lawrence, Stone	26 min
Dec 1, 12:36 AM CST	Severe Thunderstorm Warning	SGF	Christian, Greene, Taney	39 min
Dec 1, 12:47 AM CST	Tornado Warning	SGF	Christian, Greene	28 min
Dec 1, 12:56 AM CST	Severe Thunderstorm Warning	SGF	Douglas, Ozark	64 min
Dec 1, 12:59 AM CST	Severe Thunderstorm Warning	SGF	Hickory, Polk	61 min
Dec 1, 1:02 AM CST	Severe Thunderstorm Warning	SGF	Dallas, Webster	58 min
Dec 1, 1:04 AM CST	Tornado Warning	SGF	Christian, Greene, Webster	26 min
Dec 1, 1:23 AM CST	Tornado Warning	SGF	Dallas, Greene, Webster	18 min
Dec 1, 1:24 AM CST	Severe Thunderstorm Warning	SGF	Laclede, Wright	54 min
Dec 1, 1:29 AM CST	Severe Thunderstorm Warning	SGF	Benton	61 min
Dec 1, 1:33 AM CST	Severe Thunderstorm Warning	SGF	Howell, Texas	57 min
Dec 1, 1:45 AM CST	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan, Pulaski	60 min
Dec 1, 1:56 AM CST	Tornado Warning	SGF	Howell, Shannon, Texas	23 min
Dec 1, 1:58 AM CST	Severe Thunderstorm Warning	SGF	Oregon, Shannon	49 min
Dec 1, 2:05 AM CST	Tornado Warning	SGF	Texas	8 min
Dec 1, 2:10 AM CST	Tornado Warning	SGF	Shannon, Texas	20 min
Dec 1, 2:12 AM CST	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps	63 min
Dec 1, 2:15 AM CST	Tornado Warning	SGF	Shannon	30 min

Nearby

Tornado Warnings in Missouri, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.