Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 19, NWS Springfield, MO

May 31, 2018Oregon County, Shannon County, Missouri

NWS Springfield, MO issued this tornado warning at May 31, 2018, 4:45 PM CDT for Oregon County, 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: May 31, 2018, 4:45 PM CDT (21:45 UTC)
Expired: May 31, 2018, 5:15 PM CDT
In force: 30 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.75 in

Counties Oregon County, MO, Shannon County, MO

The radar

The Springfield radar (KSGF), 193 km from the middle of the area, began a volume at 21:48 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
May 31, 1:57 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.8 hours before the alert went out and 225 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: 133 J/kg
Mixed-layer CIN: -299 J/kg
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -216 m²/s²
0-3 km storm-relative helicity: -160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted.

213 
WFUS53 KSGF 312145
TORSGF
MOC149-203-312215-
/O.NEW.KSGF.TO.W.0019.180531T2145Z-180531T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
445 PM CDT THU MAY 31 2018

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  South central Shannon County in south central Missouri...
  Northeastern Oregon County in south central Missouri...

* Until 515 PM CDT
    
* At 445 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Birch Tree, or 15 miles east of Mountain View,
  moving east at 20 mph.

  HAZARD...Tornado and baseball 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...
  Winona...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3688 9148 3703 9145 3702 9122 3685 9122
      3683 9123 3682 9112 3680 9111 3680 9112
TIME...MOT...LOC 2145Z 280DEG 19KT 3694 9142 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

Hatch

3 follow-up statements

362 
WWUS53 KSGF 312151
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
451 PM CDT THU MAY 31 2018

MOC149-203-312215-
/O.CON.KSGF.TO.W.0019.000000T0000Z-180531T2215Z/
Shannon MO-Oregon MO-
451 PM CDT THU MAY 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTH
CENTRAL SHANNON AND NORTH CENTRAL OREGON COUNTIES...
    
At 451 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Winona, or 19 miles east of Mountain View, moving
east at 25 mph.

HAZARD...Tornado and baseball 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...
Winona...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3687 9144 3703 9140 3702 9122 3685 9122
      3683 9123 3686 9140
TIME...MOT...LOC 2151Z 282DEG 21KT 3692 9136 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

Hatch

290 
WWUS53 KSGF 312205
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
505 PM CDT THU MAY 31 2018

MOC149-312214-
/O.CAN.KSGF.TO.W.0019.000000T0000Z-180531T2215Z/
Oregon MO-
505 PM CDT THU MAY 31 2018

...THE TORNADO WARNING FOR NORTH CENTRAL OREGON 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 800 PM CDT for south central
Missouri.

LAT...LON 3689 9134 3691 9137 3702 9130 3702 9122
      3689 9122
TIME...MOT...LOC 2204Z 280DEG 19KT 3691 9127 

$$

MOC203-312215-
/O.CON.KSGF.TO.W.0019.000000T0000Z-180531T2215Z/
Shannon MO-
505 PM CDT THU MAY 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTH
CENTRAL SHANNON COUNTY...
    
At 504 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Fremont, or 15 miles southwest of
Van Buren, moving east at 20 mph.

HAZARD...Tornado and baseball 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...
Winona...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3689 9134 3691 9137 3702 9130 3702 9122
      3689 9122
TIME...MOT...LOC 2204Z 280DEG 19KT 3691 9127 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

Hatch

278 
WWUS53 KSGF 312219
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
519 PM CDT THU MAY 31 2018

MOC203-312229-
/O.EXP.KSGF.TO.W.0019.000000T0000Z-180531T2215Z/
Shannon MO-
519 PM CDT THU MAY 31 2018

...THE TORNADO WARNING FOR SOUTH CENTRAL SHANNON COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

A tornado watch remains in effect until 800 PM CDT for south central
Missouri.

LAT...LON 3689 9134 3691 9137 3702 9130 3702 9122
      3689 9122
TIME...MOT...LOC 2219Z 280DEG 19KT 3690 9118 

$$

DSA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 3:28 AM CDT	Special Weather Statement	SGF	Barton, Jasper, McDonald, Newton, Vernon	77 min
May 31, 4:35 AM CDT	Special Weather Statement	SGF	Cedar, Dade, Lawrence	55 min
May 31, 5:04 AM CDT	Special Weather Statement	SGF	Greene, Hickory, Polk	56 min
May 31, 5:15 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	27 min
May 31, 5:51 AM CDT	Special Weather Statement	SGF	Dallas, Laclede, Webster	54 min
May 31, 7:06 AM CDT	Special Weather Statement	SGF	Pulaski	39 min
May 31, 2:49 PM CDT	Special Weather Statement	SGF	Christian	41 min
May 31, 2:51 PM CDT	Special Weather Statement	SGF	Newton	39 min
May 31, 3:25 PM CDT	Special Weather Statement	SGF	Christian	50 min
May 31, 3:28 PM CDT	Special Weather Statement	SGF	Stone	47 min
May 31, 3:31 PM CDT	Special Weather Statement	SGF	Shannon	44 min
May 31, 3:44 PM CDT	Special Weather Statement	SGF	Howell	46 min
May 31, 4:08 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone, Taney	52 min
May 31, 4:10 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	50 min
May 31, 4:22 PM CDT	Severe Thunderstorm Warning	SGF	Howell	53 min
May 31, 4:42 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	48 min
May 31, 5:01 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon	44 min
May 31, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	33 min
May 31, 5:25 PM CDT	Special Weather Statement	SGF	Shannon	50 min
May 31, 5:33 PM CDT	Severe Thunderstorm Warning	SGF	Shannon, Texas	42 min
May 31, 5:45 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	24 min
May 31, 6:08 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	52 min
May 31, 6:16 PM CDT	Severe Thunderstorm Warning	SGF	Wright	44 min
May 31, 6:19 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	41 min
May 31, 6:21 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Taney	39 min
May 31, 6:24 PM CDT	Special Weather Statement	SGF	Dent	51 min
May 31, 6:27 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Wright	48 min
May 31, 6:32 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	43 min
May 31, 6:36 PM CDT	Tornado Warning	SGF	Dent	24 min
May 31, 6:43 PM CDT	Tornado Warning	SGF	Dent, Texas	32 min
May 31, 6:56 PM CDT	Special Weather Statement	SGF	Oregon	49 min
May 31, 6:58 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	28 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.