Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 24, NWS Springfield, MO

October 11, 2021Barton County, Dade County, Jasper County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 11, 2021, 4:42 AM CDT for Barton County, Dade County, Jasper County, Missouri. It was in force for 18 min. 3 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
Oct 11, 2021, 4:42 AM CDT (09:42 UTC)
Expired
Oct 11, 2021, 5:00 AM CDT
In force
18 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Barton County, MO, Dade County, MO, Jasper County, MO

The radar

The Springfield radar (KSGF), 64 km from the middle of the area, began a volume at 09:44 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
Oct 11, 4:44 AM CDTTORNADO2 Nw Dudenville, MOA NATIONAL WEATHER SERVICE STORM SURVEY REVEALED THAT AN EF-0 TRACKED ACROSS RURAL NORTHEAST JASPER COUNTY INTO SOUTHEAST BARTON COUNTY IN INTERMITTENT FASHION. MAXIMUM WINDS OF 85 MPH CAUSED DAMAGE TO SEVERAL TREES, ALONG WITH A BARN ROOF, AND AN IRRIGATION S
Oct 11, 4:47 AM CDTTORNADO2 Nw Dudenville, MORADAR CONFIRMED TORNADO WITH TDS ALONG THE JASPER/BARTON COUNTY LINE. TIME ESTIMATED FROM RADAR.
Oct 11, 4:47 AM CDTTORNADO2 Wsw Dudenville, MORESIDENCE NEAR THE JASPER/BARTON COUNTY LINES AT CR 40/BARTON CO BLVD REPORTED DAMAGE. TRACTOR IMPLEMENT FLIPPED OVER, BARN DESTROYED, AND POWER LINES DOWN. MULTIPLE REPORTS OF TREES DOWN IN THE AREA. TIME ESTIMATED FROM RADAR.

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 00:00Z, 9.7 hours before the alert went out and 57 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 00:00Z on 2021-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2021-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.1939587897117Sfc1 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
2067 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

081 
WFUS53 KSGF 110942
TORSGF
MOC011-057-097-111000-
/O.NEW.KSGF.TO.W.0024.211011T0942Z-211011T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
442 AM CDT Mon Oct 11 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Southeastern Barton County in southwestern Missouri...
  Northeastern Jasper County in southwestern Missouri...
  Southwestern Dade County in southwestern Missouri...

* Until 500 AM CDT.
    
* At 442 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles south of Golden City, or 14 miles northeast of
  Carthage, moving northeast at 45 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...
  Lockwood...                       Golden City...
  Maple Grove...                    Dudenville...

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 3734 9416 3749 9410 3740 9391 3724 9413
      3728 9418
TIME...MOT...LOC 0942Z 210DEG 40KT 3729 9412 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Titus
1 follow-up statement
078 
WWUS53 KSGF 110947
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
447 AM CDT Mon Oct 11 2021

MOC011-057-097-111000-
/O.CON.KSGF.TO.W.0024.000000T0000Z-211011T1000Z/
Barton MO-Jasper MO-Dade MO-
447 AM CDT Mon Oct 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTHEASTERN BARTON...NORTHEASTERN JASPER AND SOUTHWESTERN DADE
COUNTIES...
        
At 446 AM CDT, a confirmed tornado was located near Golden City, or
13 miles southeast of Lamar, moving north at 55 mph.

HAZARD...Damaging tornado.

SOURCE...Radar 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...
Lockwood...                       Golden City...
Maple Grove...                    Dudenville...

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 3734 9416 3749 9410 3740 9391 3724 9413
      3728 9418
TIME...MOT...LOC 0946Z 191DEG 47KT 3734 9412 

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

Titus

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 9:40 PM CDTRiver Flood WatchSGFVernon11 hr
Oct 11, 12:18 AM CDTSevere Thunderstorm WarningSGFMcDonald27 min
Oct 11, 12:25 AM CDTTornado Warning Tornado observedSGFMcDonald35 min
Oct 11, 12:58 AM CDTSevere Thunderstorm WarningSGFMcDonald, Newton47 min
Oct 11, 1:16 AM CDTTornado Warning Tornado observedSGFNewton29 min
Oct 11, 1:31 AM CDTSevere Thunderstorm WarningSGFJasper, Newton22 min
Oct 11, 3:39 AM CDTSpecial Weather StatementSGFJasper, McDonald, Newton36 min
Oct 11, 3:53 AM CDTSpecial Weather StatementSGFBarton, Vernon52 min
Oct 11, 4:15 AM CDTSpecial Weather StatementSGFBarry, Jasper, Newton60 min
Oct 11, 4:54 AM CDTTornado Warning Tornado observedSGFBarton, Cedar, Dade21 min
Oct 11, 5:09 AM CDTTornado WarningSGFCedar, Vernon21 min
Oct 11, 5:40 AM CDTWind AdvisorySGFBarton, Benton, Cedar, Dade, Dallas, Greene and 6 more5 hr

Nearby

Tornado Warnings in Missouri, 2021Every tornado warning in 2021Tornadoes in 2021

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.