Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 45, NWS Springfield, MO

December 1, 2018Shannon County, Missouri

NWS Springfield, MO issued this tornado warning at Dec 1, 2018, 2:15 AM CST for Shannon County, Missouri. It was in force for 30 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 1, 2018, 2:15 AM CST (08:15 UTC)
Expired: Dec 1, 2018, 2:45 AM CST
In force: 30 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Shannon County, MO

The radar

The St Louis radar (KLSX), 170 km from the middle of the area, began a volume at 08:14 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.

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, 8.3 hours before the alert went out and 228 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.

869 
WFUS53 KSGF 010815
TORSGF
MOC203-010845-
/O.NEW.KSGF.TO.W.0045.181201T0815Z-181201T0845Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Central Shannon County in south central Missouri...

* Until 245 AM CST.
    
* At 215 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Summersville, or 12 miles northeast of Mountain
  View, moving northeast at 50 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...
  Eminence...                       Round Spring...
  West Eminence...                  Alley Spring...
  Midridge...                       

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 3703 9156 3720 9163 3742 9121 3741 9118
      3732 9118 3731 9116 3726 9116 3725 9112
      3720 9112 3720 9110
TIME...MOT...LOC 0815Z 241DEG 45KT 3714 9156 

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

$$

Hatch

3 follow-up statements

158 
WWUS53 KSGF 010823 RRA
SVSSGF

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

MOC203-010845-
/O.CON.KSGF.TO.W.0045.000000T0000Z-181201T0845Z/
Shannon MO-
223 AM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CST FOR
NORTHEASTERN SHANNON COUNTY...
    
At 223 AM CST, a severe thunderstorm capable of producing a tornado
was located near Eminence, or 19 miles northeast of Mountain View,
moving northeast at 50 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...
Eminence...                       Round Spring...
West Eminence...                  Alley Spring...
Midridge...                       

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 9145 3726 9151 3742 9121 3741 9118
      3732 9118 3731 9116 3726 9116 3725 9112
      3720 9112 3720 9110
TIME...MOT...LOC 0823Z 241DEG 45KT 3719 9145 

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

$$

Hatch

210 
WWUS53 KSGF 010834
SVSSGF

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

MOC203-010845-
/O.CON.KSGF.TO.W.0045.000000T0000Z-181201T0845Z/
Shannon MO-
234 AM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CST FOR
NORTHEASTERN SHANNON COUNTY...
    
At 234 AM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles northeast of Eminence, or 23 miles northwest of
Van Buren, moving northeast at 50 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...
Midridge...                       

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 3713 9130 3733 9138 3742 9121 3741 9118
      3732 9118 3731 9116 3726 9116 3725 9112
      3720 9112 3720 9110
TIME...MOT...LOC 0834Z 241DEG 45KT 3726 9130 

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

$$

Hatch

101 
WWUS53 KSGF 010844
SVSSGF

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

MOC203-010854-
/O.EXP.KSGF.TO.W.0045.000000T0000Z-181201T0845Z/
Shannon MO-
244 AM CST SAT DEC 1 2018

...THE TORNADO WARNING FOR NORTHEASTERN SHANNON COUNTY WILL EXPIRE AT
245 AM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3713 9130 3733 9138 3742 9121 3741 9118
      3732 9118 3731 9116 3726 9116 3725 9112
      3720 9112 3720 9110
TIME...MOT...LOC 0844Z 241DEG 45KT 3732 9116 

$$

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, 1:56 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

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.