Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 30, NWS Springfield, MO

August 19, 2018Jasper County, Lawrence County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 19, 2018, 5:32 PM CDT for Jasper County, Lawrence County, Missouri. It was in force for 43 min. 1 report 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, 5:32 PM CDT (22:32 UTC)
Expired
Aug 19, 2018, 6:15 PM CDT
In force
43 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jasper County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 70 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, 5:47 PM CDTTSTM WND GST 603 Wnw Reeds, MO

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 42 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.

141 
WFUS53 KSGF 192232
TORSGF
MOC097-109-192315-
/O.NEW.KSGF.TO.W.0030.180819T2232Z-180819T2315Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northwestern Lawrence County in southwestern Missouri...
  Southeastern Jasper County in southwestern Missouri...

* Until 615 PM CDT.
    
* At 532 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Duenweg, or near Carthage, moving east at 25 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...
  Carthage...                       Sarcoxie...
  Fidelity...                       Stotts City...
  Avilla...                         La Russell...
  Reeds...                          Red Oak...
  Maple Grove...                    

This includes the following highways...
 Interstate 44 between mile markers 15 and 42.
 Interstate 49 between mile markers 36 and 42.

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 3705 9433 3706 9436 3716 9437 3729 9404
      3729 9395 3705 9385
TIME...MOT...LOC 2232Z 249DEG 23KT 3710 9433 

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

$$

Burchfield
2 follow-up statements
866 
WWUS53 KSGF 192247
SVSSGF

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

MOC097-109-192315-
/O.CON.KSGF.TO.W.0030.000000T0000Z-180819T2315Z/
Lawrence MO-Jasper MO-
547 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHWESTERN LAWRENCE AND SOUTHEASTERN JASPER COUNTIES...
    
At 546 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Carthage, moving east at 25 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...
Sarcoxie...                       Stotts City...
Avilla...                         La Russell...
Reeds...                          Red Oak...
Maple Grove...                    

This includes Interstate 44 between mile markers 21 and 42.
 
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 3705 9427 3719 9429 3729 9404 3729 9395
      3705 9385
TIME...MOT...LOC 2246Z 249DEG 23KT 3713 9422 

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

$$

Burchfield
758 
WWUS53 KSGF 192311
SVSSGF

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

MOC097-109-192321-
/O.EXP.KSGF.TO.W.0030.000000T0000Z-180819T2315Z/
Lawrence MO-Jasper MO-
611 PM CDT SUN AUG 19 2018

...THE TORNADO WARNING FOR NORTHWESTERN LAWRENCE AND SOUTHEASTERN
JASPER COUNTIES WILL EXPIRE AT 615 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3705 9427 3719 9429 3729 9404 3729 9395
      3705 9385
TIME...MOT...LOC 2311Z 249DEG 23KT 3719 9404 

$$

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, 5:30 PM CDTTornado WarningSGFNewton30 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.