Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 34, NWS Springfield, MO

August 19, 2018Barry County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 19, 2018, 6:09 PM CDT for Barry County, Missouri. It was in force for 36 min. 5 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, 6:09 PM CDT (23:09 UTC)
Expired
Aug 19, 2018, 6:45 PM CDT
In force
36 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Barry County, MO

The radar

The Springfield radar (KSGF), 65 km from the middle of the area, began a volume at 23:09 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, 6:28 PM CDTTORNADO1 Nw Mcdowell, MOCORRECTS PREVIOUS TORNADO REPORT FROM 1 NW MCDOWELL. SPOTTER CONFIRMS TORNADO ON THE GROUND 3 MILES SOUTH OF AURORA, MO.
Aug 19, 6:36 PM CDTTORNADO7 S Aurora, MOCORRECTS PREVIOUS TORNADO REPORT FOR 1 WNW OF MADRY. EF1 TORNADO STARTING JUST SOUTHWEST OF HWY Z AND 39 APPROXIMATELY 7 MILES SOUTH OF AURORA AND ENDING 1.5 MILES SOUTHWEST OF MARIONVILLE. MAX WINDS ESTIMATED 90MPH, WIDTH 100 YARDS AND DISTANCE 9 MILES. NUMER
Aug 19, 6:42 PM CDTTORNADO1 Nw Mcdowell, MOSPOTTER CONFIRMS TORNADO ON THE GROUND 3 MILES SOUTH OF AURORA, MO.
Aug 19, 6:42 PM CDTTORNADO1 Wnw Madry, MOCORRECTS PREVIOUS TORNADO REPORT FROM 1 WNW MADRY. EF1 TORNADO STARTING AT HWY Z AND 39 AND ENDING WEST OF MARIONVILLE. MAX WINDS ESTIMATED 90MPH, WIDTH 100 YARDS AND DISTANCE 9.4 MILES. NUMEROUS OUTBUILDINGS DAMAGED, TREES UPROOTED, SOME POWER LINES DOWN, AND
Aug 19, 6:42 PM CDTTORNADO1 Wnw Madry, MOEF1 TORNADO STARTING AT HWY Z AND 39 AND ENDING WEST OF MARIONVILLE. MAX WINDS ESTIMATED 90MPH, WIDTH 100 YARDS AND DISTANCE 9.4 MILES. NUMEROUS OUTBUILDINGS DAMAGED, TREES UPROOTED, SOME POWER LINES DOWN, AND TWO MOBILE HOMES WITH PARTIAL ROOFS REMOVED. START

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, 11.2 hours before the alert went out and 16 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.

376 
WFUS53 KSGF 192309
TORSGF
MOC009-192345-
/O.NEW.KSGF.TO.W.0034.180819T2309Z-180819T2345Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northeastern Barry County in southwestern Missouri...

* Until 645 PM CDT.
    
* At 609 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Cassville, moving north 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...
  Cassville...                      Exeter...
  Butterfield...                    Mcdowell...
  Pleasant Ridge...                 Madry...

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 3666 9396 3693 9388 3692 9361 3665 9379
TIME...MOT...LOC 2309Z 200DEG 24KT 3671 9388 

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

$$

Burchfield
1 follow-up statement
566 
WWUS53 KSGF 192322
SVSSGF

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

MOC009-192345-
/O.CON.KSGF.TO.W.0034.000000T0000Z-180819T2345Z/
Barry MO-
622 PM CDT SUN AUG 19 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN BARRY COUNTY...
    
At 621 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Purdy, or 8 miles north of Cassville, moving north
at 30 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...
Mcdowell...                       Pleasant Ridge...
Madry...                          

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 3676 9393 3693 9388 3692 9361 3672 9374
TIME...MOT...LOC 2321Z 200DEG 24KT 3679 9384 

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

$$

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, 5:32 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, 6:19 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.