Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 26, NWS Springfield, MO

August 19, 2018Christian County, Webster County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 19, 2018, 3:11 PM CDT for Christian County, Webster County, Missouri. It was in force for 34 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, 3:11 PM CDT (20:11 UTC)
Expired
Aug 19, 2018, 3:45 PM CDT
In force
34 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Christian County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 48 km from the middle of the area, began a volume at 20:13 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, 3:32 PM CDTTORNADO1 S Diggins, MOREPORT OF TORNADO DAMAGE NEAR HIGHWAY NN AND LAKEHILL ROAD JUST SOUTH OF DIGGINS. TORNADO THEN CROSSED HIGHWAY 60 NEAR DIGGINS WITH DEBRIS BLOCKING HIGHWAY. TIME ESTIMATED BY RADAR.
Aug 19, 3:32 PM CDTTORNADO1 S Diggins, MONWS STORM SURVEY FOUND LIMITED DAMAGE TO LIMBS AND ONE UPROOTED TREE WITHIN THE REGION WHERE SPOTTERS REPORTED DEBRIS AND ROTATION IN THE AIR. PATH FROM SPOTTERS EXTENDED FROM NN NORTHEASTWARD ACROSS HIGHWAY 60 NEAR BONNET RD WHERE DEBRIS WAS REPORTED TO HAVE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.2 hours before the alert went out and 83 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.

244 
WFUS53 KSGF 192011
TORSGF
MOC043-225-192045-
/O.NEW.KSGF.TO.W.0026.180819T2011Z-180819T2045Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Southeastern Webster County in southwestern Missouri...
  Northeastern Christian County in southwestern Missouri...

* Until 345 PM CDT.
    
* At 311 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Fordland, or 15 miles east of Ozark, moving
  northeast at 20 mph.

  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...
  Seymour...                        Fordland...
  Diggins...                        Elkhead...

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 3707 9302 3725 9286 3714 9269 3707 9283
      3707 9290 3705 9290 3702 9291 3700 9295
TIME...MOT...LOC 2011Z 232DEG 17KT 3706 9293 

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

$$

Burchfield
4 follow-up statements
907 
WWUS53 KSGF 192022
SVSSGF

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

MOC043-192032-
/O.CAN.KSGF.TO.W.0026.000000T0000Z-180819T2045Z/
Christian MO-
322 PM CDT SUN AUG 19 2018

...THE TORNADO WARNING FOR NORTHEASTERN CHRISTIAN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3713 9296 3725 9286 3714 9269 3707 9283
      3708 9290
TIME...MOT...LOC 2022Z 224DEG 17KT 3711 9289 

$$

MOC225-192045-
/O.CON.KSGF.TO.W.0026.000000T0000Z-180819T2045Z/
Webster MO-
322 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN WEBSTER COUNTY...
    
At 322 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fordland, or 15 miles south of Marshfield, moving
northeast at 20 mph.

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...
Seymour...                        Fordland...
Diggins...                        

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 3713 9296 3725 9286 3714 9269 3707 9283
      3708 9290
TIME...MOT...LOC 2022Z 224DEG 17KT 3711 9289 

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

$$

Burchfield
956 
WWUS53 KSGF 192030
SVSSGF

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

MOC225-192045-
/O.CON.KSGF.TO.W.0026.000000T0000Z-180819T2045Z/
Webster MO-
330 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN WEBSTER COUNTY...
        
At 328 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Diggins, or 14 miles south of Marshfield, moving 
northeast at 20 mph. At 323 PM a funnel cloud was reported southwest 
of Seymour.

HAZARD...Tornado.

SOURCE...Weather spotters reported a funnel cloud.

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...
Seymour...                        Fordland...
Diggins...                        

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 3713 9296 3725 9286 3716 9272 3709 9288
TIME...MOT...LOC 2028Z 229DEG 17KT 3713 9287 

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

$$

Burchfield
547 
WWUS53 KSGF 192035
SVSSGF

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

MOC225-192045-
/O.CON.KSGF.TO.W.0026.000000T0000Z-180819T2045Z/
Webster MO-
335 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN WEBSTER COUNTY...
    
At 334 PM CDT, a confirmed tornado was located over Diggins, or 13
miles south of Marshfield, moving northeast at 20 mph. 

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

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...
Seymour...                        Fordland...
Diggins...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3713 9296 3725 9286 3716 9272 3709 9288
TIME...MOT...LOC 2034Z 232DEG 17KT 3715 9284 

TORNADO...OBSERVED
HAIL...<.75IN

$$

Burchfield
498 
WWUS53 KSGF 192039
SVSSGF

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

MOC225-192045-
/O.CON.KSGF.TO.W.0026.000000T0000Z-180819T2045Z/
Webster MO-
339 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN WEBSTER COUNTY...
    
At 338 PM CDT, a confirmed tornado was located over Diggins, or 12 
miles south of Marshfield, moving northeast at 20 mph. Tornado was 
reported on the ground with a debris field just south of Diggins.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

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...
Seymour...                        Diggins...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3716 9289 3725 9286 3716 9272 3713 9285
TIME...MOT...LOC 2038Z 227DEG 15KT 3716 9284 

TORNADO...OBSERVED
HAIL...<.75IN

$$

Burchfield

The office that day

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

IssuedProductOfficeCountiesLasted
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, 5:30 PM CDTTornado WarningSGFNewton30 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.