Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 137, NWS Springfield, MO

October 11, 2021McDonald County, Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Oct 11, 2021, 12:58 AM CDT for McDonald County, Newton County, Missouri. It was in force for 47 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, 12:58 AM CDT (05:58 UTC)
Expired
Oct 11, 2021, 1:45 AM CDT
In force
47 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties McDonald County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 104 km from the middle of the area, began a volume at 06:02 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, 1:08 AM CDTTORNADO4 Nnw Goodman, MOA NATIONAL WEATHER SERVICE STORM SURVEY REVEALED THAT AN EF-1 TORNADO TRACKED PARALLEL WITH I-49 THROUGH SOUTHERN NEWTON COUNTY. 90 MPH WINDS FORCED A MANUFACTURED HOME OFF OF ITS FOUNDATION WHILE COLLAPSING THE DOORS ON A FARM OUTBUILDING. SEVERAL TREES WERE
Oct 11, 1:11 AM CDTTORNADO5 Sw Neosho, MOBUILDING DAMAGE AND LARGE TREES DOWN NEAR INTERSECTION OF PALM AND JAGUAR ROADS. RADAR TDS ALSO AT THIS LOCATION. TIME ESTIMATED FROM RADAR.
Oct 11, 1:12 AM CDTTORNADO4 Sw Neosho, MORADAR CONFIRMED TORNADO.

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
Oct 10, 9:24 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.0 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.

397 
WUUS53 KSGF 110558
SVRSGF
MOC119-145-110645-
/O.NEW.KSGF.SV.W.0137.211011T0558Z-211011T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
1258 AM CDT Mon Oct 11 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern Newton County in southwestern Missouri...
  Central McDonald County in southwestern Missouri...

* Until 145 AM CDT.

* At 1257 AM CDT, severe thunderstorms were located along a line
  extending from 6 miles southeast of Seneca to near Anderson to near
  Noel, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Neosho...                         Big Sugar Creek State Park...
  Granby...                         Anderson...
  Noel...                           Goodman...
  Pineville...                      Lanagan...
  Newtonia...                       Stella...
  Stark City...                     Ritchey...

 This includes Interstate 49 near mile marker 1, and between mile
markers 3 and 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for southwestern
Missouri.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 200 AM CDT for southwestern
Missouri.

&&

LAT...LON 3652 9456 3685 9456 3691 9446 3705 9415
      3667 9417
TIME...MOT...LOC 0557Z 205DEG 37KT 3678 9453 3669 9446 3657 9453 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Wise
2 follow-up statements
654 
WWUS53 KSGF 110612
SVSSGF

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

MOC119-145-110645-
/O.CON.KSGF.SV.W.0137.000000T0000Z-211011T0645Z/
Newton MO-McDonald MO-
112 AM CDT Mon Oct 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SOUTHEASTERN NEWTON AND NORTH CENTRAL MCDONALD COUNTIES...

At 111 AM CDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Neosho to near Goodman to near
Anderson, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Neosho...                         Granby...
Goodman...                        Newtonia...
Stella...                         Stark City...
Ritchey...                        

This includes Interstate 49 between mile markers 11 and 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for southwestern
Missouri.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3669 9446 3687 9453 3691 9446 3705 9415
      3672 9417
TIME...MOT...LOC 0611Z 223DEG 25KT 3689 9447 3680 9443 3669 9443 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Wise
919 
WWUS53 KSGF 110652
SVSSGF

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

MOC119-145-110702-
/O.EXP.KSGF.SV.W.0137.000000T0000Z-211011T0645Z/
Newton MO-McDonald MO-
152 AM CDT Mon Oct 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NEWTON AND NORTH
CENTRAL MCDONALD COUNTIES HAS EXPIRED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been allowed to expire.

A Tornado Watch remains in effect until 200 AM CDT for southwestern
Missouri.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.

LAT...LON 3669 9446 3687 9453 3691 9446 3705 9415
      3672 9417
TIME...MOT...LOC 0652Z 205DEG 37KT 3706 9437 3697 9433 3686 9433 

$$

Wise

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, 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, 4:42 AM CDTTornado WarningSGFBarton, Dade, Jasper18 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

Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning 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.