Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 29, NWS Springfield, MO

August 19, 2018Newton County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 19, 2018, 5:30 PM CDT for Newton 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
Aug 19, 2018, 5:30 PM CDT (22:30 UTC)
Expired
Aug 19, 2018, 6:00 PM CDT
In force
30 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Newton County, MO

The radar

The Springfield radar (KSGF), 86 km from the middle of the area, began a volume at 22:32 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

TimeReportWhereRemark
Aug 19, 5:51 PM CDTTORNADO4 Nne Ritchey, MONWS STORM SURVEY DETERMINED AN EF-0 TORNADO TOUCHED DOWN OVER RURAL NE NEWTON COUNTY, DESTROYING AN OUTBUILDING AND A GRAIN BIN, ALONG WITH DAMAGING NUMEROUS TREES. TIME ESTIMATED FROM RADAR.
Aug 19, 5:51 PM CDTTORNADO4 Nne Ritchey, MONWS STORM SURVEY DETERMINED AN EF-0 TORNADO TOUCHED DOWN OVER RURAL NE NEWTON COUNTY, DESTROYING AN OUTBUILDING AND A GRAIN BIN, ALONG WITH DAMAGING NUMEROUS TREES. TIME ESTIMATED FROM RADAR. THE DURATION OF THE TORNADO EVENT WAS 2 MINUTES.

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.

IssuedProductOfficeLasted
Aug 19, 4:07 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.5 hours before the alert went out and 44 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2018-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2018-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1069 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

217 
WFUS53 KSGF 192230
TORSGF
MOC145-192300-
/O.NEW.KSGF.TO.W.0029.180819T2230Z-180819T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
530 PM CDT SUN AUG 19 2018

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Eastern Newton County in southwestern Missouri...

* Until 600 PM CDT.
    
* At 530 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located over Neosho, moving northeast at 25 mph. 
  Another possible tornado was located near Granby.

  HAZARD...Tornado.

  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...
  Neosho...                         Granby...
  Newtonia...                       Wentworth...
  Ritchey...                        

This includes Interstate 49 between mile markers 18 and 25.
 
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 9449 3705 9421 3705 9406 3691 9407
      3679 9444
TIME...MOT...LOC 2230Z 236DEG 22KT 3686 9441 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Burchfield
2 follow-up statements
581 
WWUS53 KSGF 192241
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
541 PM CDT SUN AUG 19 2018

MOC145-192300-
/O.CON.KSGF.TO.W.0029.000000T0000Z-180819T2300Z/
Newton MO-
541 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
NORTHEASTERN NEWTON COUNTY...
    
At 540 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Neosho, moving northeast at 25 mph. Another 
possible tornado was located northeast of Granby.

HAZARD...Tornado.

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...
Neosho...                         Granby...
Newtonia...                       Wentworth...
Ritchey...                        

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 3692 9441 3705 9421 3705 9406 3691 9407
      3683 9435
TIME...MOT...LOC 2240Z 236DEG 22KT 3690 9434 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Burchfield
262 
WWUS53 KSGF 192301
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
601 PM CDT SUN AUG 19 2018

MOC145-192310-
/O.EXP.KSGF.TO.W.0029.000000T0000Z-180819T2300Z/
Newton MO-
601 PM CDT SUN AUG 19 2018

...THE TORNADO WARNING FOR NORTHEASTERN NEWTON COUNTY HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has 
been allowed to expire.A Tornad warning still remains in effect for 
southeastern Newton County.

A Tornado Watch remains in effect until 900 PM CDT for southwestern
Missouri.

LAT...LON 3692 9441 3705 9421 3705 9406 3691 9407
      3683 9435
TIME...MOT...LOC 2300Z 236DEG 22KT 3697 9422 

$$

Burchfield

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 3:11 PM CDTTornado WarningSGFChristian, Webster34 min
Aug 19, 3:45 PM CDTTornado WarningSGFWebster, Wright22 min
Aug 19, 4:22 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper, Newton53 min
Aug 19, 4:40 PM CDTTornado WarningSGFBarton35 min
Aug 19, 5:16 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper, McDonald, Newton44 min
Aug 19, 5:32 PM CDTTornado WarningSGFJasper, Lawrence43 min
Aug 19, 5:35 PM CDTTornado WarningSGFBarton, Vernon25 min
Aug 19, 5:54 PM CDTTornado WarningSGFBarry, McDonald, Newton37 min
Aug 19, 5:58 PM CDTTornado Warning Tornado observedSGFBarton, Cedar, Vernon47 min
Aug 19, 6:05 PM CDTSevere Thunderstorm WarningSGFBarry, Barton, Cedar, Dade, Jasper, Lawrence and 3 more55 min
Aug 19, 6:09 PM CDTTornado WarningSGFBarry36 min
Aug 19, 6:19 PM CDTTornado WarningSGFDade, Lawrence26 min
Aug 19, 6:40 PM CDTSevere Thunderstorm WarningSGFChristian, Greene, Polk, Stone50 min
Aug 19, 6:44 PM CDTTornado Warning Tornado observedSGFBarry, Christian, Lawrence, Stone46 min
Aug 19, 6:59 PM CDTSevere Thunderstorm WarningSGFCedar, Dade26 min

Nearby

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