Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 12, NWS Springfield, MO

March 17, 2021Barry County, Lawrence County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 17, 2021, 5:32 PM CDT for Barry County, Lawrence County, Missouri. It was in force for 43 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, 5:32 PM CDT (22:32 UTC)
Expired
Mar 17, 2021, 6:15 PM CDT
In force
43 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Barry County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 51 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, 5:43 PM CDTHAIL 14 Wsw Stotts City, MOQUARTER SIZED HAIL REPORTED VIA MPING.
Mar 17, 6:04 PM CDTHAIL 1.25Mount Vernon, MO
Mar 17, 6:06 PM CDTTSTM WND DMG1 Ssw Hoberg, MO
Mar 17, 6:06 PM CDTHAIL 11 Se Mount Vernon, MOQUARTER SIZED HAIL REPORTED VIA MPING.
Mar 17, 6:06 PM CDTHAIL 1.752 Ene Hoberg, 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.
Mar 17, 6:16 PM CDTHAIL 11 Se Mount Vernon, 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, 10.5 hours before the alert went out and 22 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°0°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.

095 
WUUS53 KSGF 172232
SVRSGF
MOC009-109-172315-
/O.NEW.KSGF.SV.W.0012.210317T2232Z-210317T2315Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northwestern Barry County in southwestern Missouri...
  Western Lawrence County in southwestern Missouri...

* Until 615 PM CDT.

* At 531 PM CDT, severe thunderstorms were located along a line
  extending from near Sarcoxie to near Purdy, moving northeast at 25
  mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Monett...                         Mount Vernon...
  Pierce City...                    Purdy...
  Miller...                         Verona...
  Stotts City...                    Freistatt...
  La Russell...                     Hoberg...
  Pleasant Ridge...                 

This includes Interstate 44 between mile markers 33 and 47.
 
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 3675 9403 3695 9406 3714 9406 3725 9397
      3729 9391 3729 9384 3728 9382 3691 9374
TIME...MOT...LOC 2231Z 214DEG 22KT 3710 9403 3684 9400 

HAIL...1.25IN
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, 4:53 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, 5:33 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.