Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 24, NWS Springfield, MO

April 9, 2021Barry County, Lawrence County, Stone County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 9, 2021, 3:29 PM CDT for Barry County, Lawrence County, Stone County, Missouri. It was in force for 46 min. 2 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
Apr 9, 2021, 3:29 PM CDT (20:29 UTC)
Expired
Apr 9, 2021, 4:15 PM CDT
In force
46 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, Stone County, MO

The radar

The Springfield radar (KSGF), 57 km from the middle of the area, began a volume at 20:32 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
Apr 9, 3:45 PM CDTHAIL 11 N Madry, MO
Apr 9, 3:54 PM CDTHAIL 1Purdy, MOCORRECTS PREVIOUS HAIL REPORT FROM PURDY.

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
Apr 9, 3:13 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.5 hours before the alert went out and 12 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 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 415 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
107 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
1650 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
415 m²/s²
0-3 km storm-relative helicity
429 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

600 
WUUS53 KSGF 092029
SVRSGF
MOC009-109-209-092115-
/O.NEW.KSGF.SV.W.0024.210409T2029Z-210409T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
329 PM CDT Fri Apr 9 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northwestern Stone County in southwestern Missouri...
  Northeastern Barry County in southwestern Missouri...
  Southeastern Lawrence County in southwestern Missouri...

* Until 415 PM CDT.

* At 329 PM CDT, a severe thunderstorm was located near Cassville,
  moving northeast at 20 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...
  Aurora...                         Cassville...
  Marionville...                    Crane...
  Purdy...                          Butterfield...
  Galena...                         Mccord Bend...
  Wheelerville...                   Jenkins...
  Mcdowell...                       Pleasant Ridge...
  Madry...                          Elsey...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3669 9386 3680 9395 3703 9364 3681 9339
TIME...MOT...LOC 2029Z 240DEG 19KT 3676 9381 

HAIL...1.25IN
WIND...60MPH
 
$$

Terry
5 follow-up statements
497 
WWUS53 KSGF 092035
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
335 PM CDT Fri Apr 9 2021

MOC009-109-209-092115-
/O.CON.KSGF.SV.W.0024.000000T0000Z-210409T2115Z/
Stone MO-Barry MO-Lawrence MO-
335 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR NORTHWESTERN STONE...NORTHEASTERN BARRY AND SOUTHEASTERN LAWRENCE
COUNTIES...

At 335 PM CDT, a severe thunderstorm was located near Purdy, or 9
miles north of Cassville, moving northeast at 20 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...
Aurora...                         Cassville...
Marionville...                    Crane...
Purdy...                          Butterfield...
Galena...                         Mccord Bend...
Wheelerville...                   Jenkins...
Mcdowell...                       Pleasant Ridge...
Madry...                          Elsey...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3669 9386 3680 9395 3703 9364 3680 9346
TIME...MOT...LOC 2035Z 212DEG 17KT 3680 9382 

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

Terry
376 
WWUS53 KSGF 092045
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
345 PM CDT Fri Apr 9 2021

MOC009-109-209-092115-
/O.CON.KSGF.SV.W.0024.000000T0000Z-210409T2115Z/
Stone MO-Barry MO-Lawrence MO-
345 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR NORTHWESTERN STONE...NORTHEASTERN BARRY AND SOUTHEASTERN LAWRENCE
COUNTIES...

At 344 PM CDT, a severe thunderstorm was located 7 miles south of
Aurora, moving northeast at 35 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...
Aurora...                         Marionville...
Crane...                          Jenkins...
Mcdowell...                       Pleasant Ridge...
Wheelerville...                   Madry...
Elsey...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3673 9379 3684 9388 3696 9373 3698 9370
      3702 9363 3683 9348 3673 9372
TIME...MOT...LOC 2044Z 233DEG 31KT 3686 9374 

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

Terry
785 
WWUS53 KSGF 092057
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
357 PM CDT Fri Apr 9 2021

MOC009-109-209-092115-
/O.CON.KSGF.SV.W.0024.000000T0000Z-210409T2115Z/
Stone MO-Barry MO-Lawrence MO-
357 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR NORTHWESTERN STONE...NORTHEASTERN BARRY AND SOUTHEASTERN LAWRENCE
COUNTIES...

At 357 PM CDT, a severe thunderstorm was located 7 miles west of
Crane, or 7 miles south of Aurora, moving northeast at 20 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...
Aurora...                         Marionville...
Crane...                          Mcdowell...
Pleasant Ridge...                 Wheelerville...
Madry...                          Elsey...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3679 9384 3685 9386 3696 9373 3698 9370
      3702 9363 3683 9348 3680 9371 3676 9382
TIME...MOT...LOC 2057Z 244DEG 16KT 3687 9369 

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

Terry
039 
WWUS53 KSGF 092107
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
407 PM CDT Fri Apr 9 2021

MOC009-209-092116-
/O.CAN.KSGF.SV.W.0024.000000T0000Z-210409T2115Z/
Stone MO-Barry MO-
407 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN STONE AND
NORTHEASTERN BARRY COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 3693 9363 3693 9377 3696 9373 3702 9363
      3698 9361 3692 9361 3692 9362
TIME...MOT...LOC 2106Z 226DEG 18KT 3693 9372 

$$

MOC109-092115-
/O.CON.KSGF.SV.W.0024.000000T0000Z-210409T2115Z/
Lawrence MO-
407 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN LAWRENCE COUNTY...

At 406 PM CDT, a severe thunderstorm was located over Aurora, moving
northeast at 20 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...
Aurora...                         Marionville...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3693 9363 3693 9377 3696 9373 3702 9363
      3698 9361 3692 9361 3692 9362
TIME...MOT...LOC 2106Z 226DEG 18KT 3693 9372 

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

Terry
032 
WWUS53 KSGF 092111 RRA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
411 PM CDT Fri Apr 9 2021

MOC109-092121-
/O.EXP.KSGF.SV.W.0024.000000T0000Z-210409T2115Z/
Lawrence MO-
411 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LAWRENCE COUNTY
WILL EXPIRE AT 415 PM CDT...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3693 9363 3693 9377 3696 9373 3702 9363
      3698 9361 3692 9361 3692 9362
TIME...MOT...LOC 2111Z 240DEG 19KT 3694 9370 

$$

Terry

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 2:34 PM CDTSpecial Weather StatementSGFMcDonald26 min
Apr 9, 2:54 PM CDTSevere Thunderstorm WarningSGFBarry, Stone, Taney51 min
Apr 9, 2:58 PM CDTSpecial Weather StatementSGFNewton32 min
Apr 9, 3:19 PM CDTSpecial Weather StatementSGFOzark26 min
Apr 9, 3:24 PM CDTSpecial Weather StatementSGFNewton36 min
Apr 9, 3:41 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Ozark49 min
Apr 9, 3:48 PM CDTSpecial Weather StatementSGFJasper27 min
Apr 9, 3:52 PM CDTSevere Thunderstorm WarningSGFJasper, Newton38 min
Apr 9, 3:54 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence39 min
Apr 9, 4:03 PM CDTSpecial Weather StatementSGFChristian27 min
Apr 9, 4:18 PM CDTSevere Thunderstorm WarningSGFJasper42 min
Apr 9, 4:24 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Shannon30 min
Apr 9, 4:32 PM CDTSpecial Weather StatementSGFGreene, Jasper, Lawrence28 min

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.