Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 42, NWS Springfield, MO

December 1, 2018Howell County, Shannon County, Texas County, Missouri

NWS Springfield, MO issued this tornado warning at Dec 1, 2018, 1:56 AM CST for Howell County, Shannon County, Texas County, Missouri. It was in force for 23 min. 3 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, 1:56 AM CST (07:56 UTC)
Expired: Dec 1, 2018, 2:19 AM CST
In force: 23 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Howell County, MO, Shannon County, MO, Texas County, MO

The radar

The Springfield radar (KSGF), 152 km from the middle of the area, began a volume at 08:00 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, 1:57 AM CST	TSTM WND DMG	3 Se Willow Springs, MO	SEVERAL LARGE TREES DOWNED AT THE JUNCTION OF US 60 AND US 63. TIME ESTIMATED BY RADAR.
Dec 1, 2:00 AM CST	TSTM WND DMG	Mountain View, MO	POWER LINES DOWN AND A TREE DOWN NEAR Y HIGHWAY. TIME ESTIMATED FROM RADAR.
Dec 1, 2:02 AM CST	TSTM WND DMG	Mountain View, MO	POWER LINES DOWN AND TREE DOWN NEAR HIGHWAY Y. DELAYED REPORT. 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, 7.9 hours before the alert went out and 184 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.

758 
WFUS53 KSGF 010756
TORSGF
MOC091-203-215-010830-
/O.NEW.KSGF.TO.W.0042.181201T0756Z-181201T0830Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Southwestern Shannon County in south central Missouri...
  Northeastern Howell County in south central Missouri...
  Southeastern Texas County in south central Missouri...

* Until 230 AM CST.
    
* At 156 AM CST, a severe thunderstorm capable of producing a tornado
  was located 8 miles southwest of Mountain View, moving northeast at
  40 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...
  Mountain View...                  Willow Springs...
  Montier...                        Peace Valley...
  White Church...                   Teresita...
  Arroll...                         Pine Crest...

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 3698 9194 3715 9177 3715 9156 3691 9157
      3688 9162 3689 9166 3686 9166 3677 9184
TIME...MOT...LOC 0756Z 223DEG 36KT 3693 9183 

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

$$

Hatch

3 follow-up statements

466 
WWUS53 KSGF 010804 RRA
SVSSGF

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

MOC091-203-215-010830-
/O.CON.KSGF.TO.W.0042.000000T0000Z-181201T0830Z/
Shannon MO-Howell MO-Texas MO-
204 AM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR
SOUTHWESTERN SHANNON...NORTHEASTERN HOWELL AND SOUTHEASTERN TEXAS
COUNTIES...
    
At 204 AM CST, a severe thunderstorm capable of producing a tornado
was located over Mountain View, 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...
Mountain View...                  Montier...
Peace Valley...                   Arroll...
Teresita...                       Pine Crest...

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 3709 9182 3715 9177 3715 9156 3691 9157
      3688 9162 3689 9166 3686 9166 3680 9177
TIME...MOT...LOC 0804Z 222DEG 39KT 3702 9174 

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

$$

Hatch

276 
WWUS53 KSGF 010811
SVSSGF

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

MOC091-215-010821-
/O.CAN.KSGF.TO.W.0042.000000T0000Z-181201T0830Z/
Howell MO-Texas MO-
211 AM CST SAT DEC 1 2018

...THE TORNADO WARNING FOR NORTHEASTERN HOWELL AND SOUTHEASTERN TEXAS
COUNTIES 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
Missouri.

LAT...LON 3697 9157 3697 9162 3698 9165 3700 9166
      3714 9166 3715 9165 3715 9156
TIME...MOT...LOC 0811Z 223DEG 39KT 3710 9164 

$$

MOC203-010830-
/O.CON.KSGF.TO.W.0042.000000T0000Z-181201T0830Z/
Shannon MO-
211 AM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR WEST
CENTRAL SHANNON COUNTY...
    
At 211 AM CST, a severe thunderstorm capable of producing a tornado
was located near Summersville, or 8 miles northeast of Mountain View,
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...
Montier...                        Teresita...
Pine Crest...                     

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 3697 9157 3697 9162 3698 9165 3700 9166
      3714 9166 3715 9165 3715 9156
TIME...MOT...LOC 0811Z 223DEG 39KT 3710 9164 

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

$$

Hatch

914 
WWUS53 KSGF 010819
SVSSGF

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

MOC203-010828-
/O.CAN.KSGF.TO.W.0042.000000T0000Z-181201T0830Z/
Shannon MO-
219 AM CST SAT DEC 1 2018

...THE TORNADO WARNING FOR WEST CENTRAL SHANNON COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

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

Remember, a Tornado Warning still remains in effect for central and 
northeastern Shannon County.

LAT...LON 3697 9157 3697 9162 3698 9165 3700 9166
      3714 9166 3715 9165 3715 9156
TIME...MOT...LOC 0816Z 223DEG 36KT 3715 9158 

$$

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, 1:30 AM CST	Tornado Warning	SGF	Webster, Wright	30 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, 1:58 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.