Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 8, NWS Springfield, MO

March 17, 2021Barry County, Lawrence County, Missouri

NWS Springfield, MO issued this tornado warning at Mar 17, 2021, 5:33 PM CDT for Barry County, Lawrence County, Missouri. It was in force for 27 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
Mar 17, 2021, 5:33 PM CDT (22:33 UTC)
Expired
Mar 17, 2021, 6:00 PM CDT
In force
27 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Barry County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 60 km from the middle of the area, began a volume at 22:36 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, 5:36 PM CDTHAIL 1.253 Ene Purdy, MO
Mar 17, 5:42 PM CDTHAIL 11 Se Monett, MO
Mar 17, 6:10 PM CDTTSTM WND DMG2 Nnw Purdy, MOSIGNIFICANT DAMAGE REPORTED TO A BARN AND GARAGE. A TRAMPOLINE WAS REPORTED TO HAVE IMPALED INTO A HOME.

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, 10.6 hours before the alert went out and 10 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.

807 
WFUS53 KSGF 172233
TORSGF
MOC009-109-172300-
/O.NEW.KSGF.TO.W.0008.210317T2233Z-210317T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
533 PM CDT Wed Mar 17 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northwestern Barry County in southwestern Missouri...
  Southwestern Lawrence County in southwestern Missouri...

* Until 600 PM CDT.
    
* At 533 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Purdy, or near Monett, moving northeast at 25 mph.

  HAZARD...Tornado and half dollar size hail.

  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...
  Monett...                         Pierce City...
  Purdy...                          Verona...
  Freistatt...                      Pleasant Ridge...

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 3680 9394 3685 9404 3706 9394 3693 9370
TIME...MOT...LOC 2233Z 214DEG 22KT 3686 9394 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Rothstein
3 follow-up statements
912 
WWUS53 KSGF 172242
SVSSGF

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

MOC009-109-172300-
/O.CON.KSGF.TO.W.0008.000000T0000Z-210317T2300Z/
Barry MO-Lawrence MO-
542 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTH
CENTRAL BARRY AND SOUTHWESTERN LAWRENCE COUNTIES...
    
At 542 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Monett, moving northeast at 25 mph.

HAZARD...Tornado and half dollar size hail.

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...
Monett...                         Verona...
Freistatt...                      

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 3685 9390 3690 9400 3706 9394 3695 9374
TIME...MOT...LOC 2242Z 214DEG 22KT 3691 9390 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Rothstein
708 
WWUS53 KSGF 172250
SVSSGF

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

MOC009-172259-
/O.CAN.KSGF.TO.W.0008.000000T0000Z-210317T2300Z/
Barry MO-
550 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR NORTH CENTRAL BARRY COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 3693 9385 3693 9393 3705 9393 3695 9374
      3692 9381
TIME...MOT...LOC 2249Z 214DEG 22KT 3695 9387 

$$

MOC109-172300-
/O.CON.KSGF.TO.W.0008.000000T0000Z-210317T2300Z/
Lawrence MO-
550 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTH
CENTRAL LAWRENCE COUNTY...
    
At 549 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Monett, moving northeast at 25 mph.

HAZARD...Tornado and half dollar size hail.

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...
Monett...                         Verona...
Freistatt...                      

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 3693 9385 3693 9393 3705 9393 3695 9374
      3692 9381
TIME...MOT...LOC 2249Z 214DEG 22KT 3695 9387 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Rothstein
632 
WWUS53 KSGF 172257
SVSSGF

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

MOC109-172306-
/O.EXP.KSGF.TO.W.0008.000000T0000Z-210317T2300Z/
Lawrence MO-
557 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL LAWRENCE COUNTY WILL EXPIRE
AT 600 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

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

LAT...LON 3693 9385 3693 9393 3705 9393 3695 9374
      3692 9381
TIME...MOT...LOC 2256Z 214DEG 22KT 3698 9384 

$$

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, 3:35 PM CDTSevere Thunderstorm WarningSGFMcDonald, Newton40 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, 5:38 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

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.