Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Springfield, MO

March 17, 20214 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 17, 2021, 4:53 PM CDT for 4 counties in Missouri. It was in force for 52 min. 1 report 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, 4:53 PM CDT (21:53 UTC)
Expired
Mar 17, 2021, 5:45 PM CDT
In force
52 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Possible
Hail
1.75 in
Wind
60.0 mph

Counties Barry County, MO, Jasper County, MO, Lawrence County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 69 km from the middle of the area, began a volume at 21:55 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, 5:43 PM CDTHAIL 14 Wsw Stotts City, MOQUARTER SIZED HAIL REPORTED VIA MPING.

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, 9.9 hours before the alert went out and 26 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.

772 
WUUS53 KSGF 172153
SVRSGF
MOC009-097-109-145-172245-
/O.NEW.KSGF.SV.W.0009.210317T2153Z-210317T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
453 PM CDT Wed Mar 17 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Eastern Newton County in southwestern Missouri...
  Northwestern Barry County in southwestern Missouri...
  Southwestern Lawrence County in southwestern Missouri...
  Southeastern Jasper County in southwestern Missouri...

* Until 545 PM CDT.

* At 453 PM CDT, a severe thunderstorm was located near Fairview, or
  11 miles west of Monett, moving northeast at 25 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  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...
  Monett...                         Sarcoxie...
  Pierce City...                    Fairview...
  Newtonia...                       Pioneer...
  Freistatt...                      Wentworth...
  Stark City...                     Reeds...
  Ritchey...                        

This includes Interstate 44 between mile markers 26 and 34.
 
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 3682 9421 3712 9419 3709 9405 3703 9379
      3680 9410
TIME...MOT...LOC 2153Z 212DEG 22KT 3686 9412 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

Rothstein
1 follow-up statement
719 
WWUS53 KSGF 172206
SVSSGF

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

MOC009-097-109-145-172245-
/O.CON.KSGF.SV.W.0009.000000T0000Z-210317T2245Z/
Newton MO-Barry MO-Lawrence MO-Jasper MO-
506 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHEASTERN NEWTON...NORTHWESTERN BARRY...SOUTHWESTERN LAWRENCE
AND SOUTHEASTERN JASPER COUNTIES...

At 505 PM CDT, a severe thunderstorm was located near Pierce City, or
7 miles west of Monett, moving northeast at 25 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

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...
Monett...                         Sarcoxie...
Pierce City...                    Newtonia...
Pioneer...                        Freistatt...
Wentworth...                      Stark City...
Reeds...                          Ritchey...

This includes Interstate 44 between mile markers 26 and 34.
 
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 3685 9419 3712 9419 3709 9405 3703 9379
      3683 9406
TIME...MOT...LOC 2205Z 212DEG 22KT 3693 9407 

TORNADO...POSSIBLE
HAIL...1.75IN
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, 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, 4:55 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.