Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Springfield, MO

March 17, 2021McDonald County, Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 17, 2021, 3:35 PM CDT for McDonald County, Newton County, Missouri. It was in force for 40 min. 9 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
Mar 17, 2021, 3:35 PM CDT (20:35 UTC)
Expired
Mar 17, 2021, 4:15 PM CDT
In force
40 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties McDonald County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 20:35 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
Mar 17, 3:45 PM CDTHAIL 1.252 W Lanagan, MOPUBLIC REPORT RELAYED BY LAW ENFORCEMENT.
Mar 17, 3:46 PM CDTHAIL 0.7Anderson, MO
Mar 17, 3:54 PM CDTHAIL 1Anderson, MO
Mar 17, 3:55 PM CDTHAIL 1.75Pineville, MO
Mar 17, 3:57 PM CDTHAIL 12 Nw Anderson, MO
Mar 17, 3:58 PM CDTHAIL 1.75Anderson, MO
Mar 17, 3:59 PM CDTHAIL 12 Nw Pineville, MO
Mar 17, 4:01 PM CDTHAIL 2Anderson, MODAMAGE REPORTED TO VEHICLE WINDOWS.
Mar 17, 4:23 PM CDTHAIL 14 W Stella, 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
Mar 17, 2:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.6 hours before the alert went out and 50 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 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 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 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 square meters per square second.19395878Sfc1 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
102 J/kg
Mixed-layer CIN
-235 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

909 
WUUS53 KSGF 172035
SVRSGF
MOC119-145-172115-
/O.NEW.KSGF.SV.W.0006.210317T2035Z-210317T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
335 PM CDT Wed Mar 17 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 415 PM CDT.

* At 335 PM CDT, a severe thunderstorm was located over Noel, or 7
  miles southwest of Pineville, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Neosho...                         Big Sugar Creek State Park...
  Anderson...                       Noel...
  Goodman...                        Pineville...
  Lanagan...                        Stella...
  Rocky Comfort...                  

This includes Interstate 49 between mile markers 1 and 22.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Missouri.

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

&&

LAT...LON 3691 9441 3678 9407 3675 9407 3650 9438
      3650 9459
TIME...MOT...LOC 2035Z 212DEG 32KT 3654 9451 

HAIL...1.00IN
WIND...60MPH
 
$$

Rothstein
2 follow-up statements
286 
WWUS53 KSGF 172047
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
347 PM CDT Wed Mar 17 2021

MOC119-145-172115-
/O.CON.KSGF.SV.W.0006.000000T0000Z-210317T2115Z/
Newton MO-McDonald MO-
347 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN NEWTON AND CENTRAL MCDONALD COUNTIES...

At 346 PM CDT, a severe thunderstorm was located over Anderson, or
near Pineville, moving northeast at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Law enforcement reported half dollar size hail 4 miles 
         north of Noel.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Neosho...                         Big Sugar Creek State Park...
Anderson...                       Noel...
Goodman...                        Pineville...
Lanagan...                        Stella...
Rocky Comfort...                  

This includes Interstate 49 between mile markers 1 and 22.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Missouri.

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

&&

LAT...LON 3691 9441 3678 9407 3675 9407 3650 9440
      3653 9458
TIME...MOT...LOC 2046Z 212DEG 32KT 3663 9444 

HAIL...1.50IN
WIND...60MPH
 
$$

Rothstein
652 
WWUS53 KSGF 172102
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
402 PM CDT Wed Mar 17 2021

MOC119-145-172115-
/O.CON.KSGF.SV.W.0006.000000T0000Z-210317T2115Z/
Newton MO-McDonald MO-
402 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN NEWTON AND NORTHEASTERN MCDONALD COUNTIES...

At 401 PM CDT, a severe thunderstorm was located over Goodman, or 8
miles south of Neosho, moving northeast at 35 mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Emergency management reported two inch hail that caused 
         damage to vehicles in Anderson.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Neosho...                         Big Sugar Creek State Park...
Anderson...                       Goodman...
Pineville...                      Lanagan...
Stella...                         Rocky Comfort...

This includes Interstate 49 near mile marker 1, and between mile
markers 3 and 21.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Missouri.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3691 9441 3678 9407 3675 9407 3657 9434
      3662 9449
TIME...MOT...LOC 2101Z 212DEG 32KT 3675 9435 

HAIL...2.00IN
WIND...60MPH
 
$$

Rothstein

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 2:19 AM CDTFlash Flood WatchSGFBarton, Benton, Camden, Cedar, Christian, Dade and 23 more19 hr
Mar 17, 2:20 AM CDTSpecial Weather StatementSGFLaclede25 min
Mar 17, 4:22 AM CDTSpecial Weather StatementSGFBenton23 min
Mar 17, 5:16 AM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Vernon29 min
Mar 17, 5:33 AM CDTSevere Thunderstorm WarningSGFBarton, Jasper, Newton57 min
Mar 17, 7:43 AM CDTSpecial Weather StatementSGFDallas32 min
Mar 17, 10:02 AM CDTAreal Flood AdvisorySGFGreene, Webster4 hr
Mar 17, 3:27 PM CDTSpecial Weather StatementSGFMcDonald33 min
Mar 17, 4:10 PM CDTSevere Thunderstorm WarningSGFBarry, McDonald, Newton50 min
Mar 17, 4:30 PM CDTSpecial Weather StatementSGFMcDonald30 min
Mar 17, 4:40 PM CDTSevere Thunderstorm WarningSGFMcDonald, Newton50 min
Mar 17, 4:53 PM CDTSevere Thunderstorm WarningSGFBarry, Jasper, Lawrence, Newton52 min
Mar 17, 4:55 PM CDTSevere Thunderstorm WarningSGFBarry50 min
Mar 17, 5:10 PM CDTFlash Flood WarningSGFMcDonald, Newton4 hr
Mar 17, 5:10 PM CDTSevere Thunderstorm WarningSGFBarry, McDonald, Newton35 min
Mar 17, 5:12 PM CDTTornado WarningSGFBarry33 min
Mar 17, 5:32 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence43 min
Mar 17, 5:33 PM CDTSevere Thunderstorm WarningSGFBarry, Stone57 min
Mar 17, 5:33 PM CDTTornado WarningSGFBarry, Lawrence27 min
Mar 17, 5:38 PM CDTTornado WarningSGFBarry37 min
Mar 17, 5:55 PM CDTFlash Flood WarningSGFBarry, Lawrence, Newton4 hr
Mar 17, 6:01 PM CDTSevere Thunderstorm WarningSGFChristian, Dade, Greene, Lawrence44 min
Mar 17, 6:13 PM CDTTornado WarningSGFBarry, Stone17 min
Mar 17, 6:20 PM CDTTornado Warning Tornado observedSGFBarry, Stone25 min
Mar 17, 6:25 PM CDTSevere Thunderstorm WarningSGFChristian, Stone50 min
Mar 17, 6:37 PM CDTTornado WarningSGFStone23 min
Mar 17, 6:39 PM CDTSpecial Weather StatementSGFGreene51 min
Mar 17, 6:48 PM CDTSevere Thunderstorm WarningSGFChristian57 min
Mar 17, 6:50 PM CDTFlash Flood WarningSGFBarry, Jasper, Lawrence, Stone4 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.