Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Springfield, MO

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

NWS Springfield, MO issued this severe thunderstorm warning at Apr 9, 2021, 2:54 PM CDT for Barry County, Stone County, Taney County, Missouri. It was in force for 51 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, 2:54 PM CDT (19:54 UTC)
Expired
Apr 9, 2021, 3:45 PM CDT
In force
51 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Barry County, MO, Stone County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 67 km from the middle of the area, began a volume at 19:57 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, 3:28 PM CDTHAIL 1.251 Ene Butterfield, MOSLIGHTLY HIGHER THAN QUARTER SIZE REPORTED NEAR BUTTERFIELD VIA SOCIAL MEDIA.
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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.9 hours before the alert went out and 41 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.

462 
WUUS53 KSGF 091954
SVRSGF
MOC009-209-213-092045-
/O.NEW.KSGF.SV.W.0023.210409T1954Z-210409T2045Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Western Taney County in southwestern Missouri...
  Stone County in southwestern Missouri...
  Southeastern Barry County in southwestern Missouri...

* Until 345 PM CDT.

* At 253 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles southeast of Gateway to near Urbanette to 6
  miles north of Carrollton to near Harrison, moving north at 30 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Branson...                        Lake Taneycomo...
  Table Rock Lake...                Bull Shoals Lake...
  Roaring River State Park...       Table Rock State Park...
  Hollister...                      Cassville...
  Silver Dollar City...             Kimberling City...
  Forsyth...                        Merriam Woods...
  Shell Knob...                     Kissee Mills...
  Purdy...                          Reeds Spring...
  Seligman...                       Rockaway Beach...
  Exeter...                         Bull Creek...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Table Rock Lake, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3650 9396 3683 9393 3678 9310 3672 9290
      3650 9304
TIME...MOT...LOC 1953Z 197DEG 25KT 3641 9388 3639 9353 3635 9328 3631
9316

HAIL...1.25IN
WIND...<50MPH
 
$$

Terry
3 follow-up statements
162 
WWUS53 KSGF 092005
SVSSGF

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

MOC009-209-213-092045-
/O.CON.KSGF.SV.W.0023.000000T0000Z-210409T2045Z/
Taney MO-Stone MO-Barry MO-
305 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR WESTERN TANEY...STONE AND SOUTHEASTERN BARRY COUNTIES...

At 304 PM CDT, severe thunderstorms were located along a line
extending from near Gateway to near Grandview to Roberson Hollow to
Self, moving north at 45 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...
Branson...                        Lake Taneycomo...
Table Rock Lake...                Bull Shoals Lake...
Roaring River State Park...       Table Rock State Park...
Hollister...                      Cassville...
Silver Dollar City...             Kimberling City...
Forsyth...                        Merriam Woods...
Shell Knob...                     Kissee Mills...
Purdy...                          Reeds Spring...
Seligman...                       Rockaway Beach...
Exeter...                         Bull Creek...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Table Rock Lake, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3674 9296 3659 9298 3650 9304 3650 9395
      3657 9395 3683 9393 3678 9310
TIME...MOT...LOC 2004Z 181DEG 39KT 3651 9385 3649 9357 3647 9325 3640
9311

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

Terry
349 
WWUS53 KSGF 092033
SVSSGF

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

MOC009-092042-
/O.CAN.KSGF.SV.W.0023.000000T0000Z-210409T2045Z/
Barry MO-
333 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BARRY COUNTY IS
CANCELLED...

Storms over all but northwest Barry county have weakened. Another 
warning has been issued for that area.

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

LAT...LON 3674 9296 3659 9298 3650 9304 3652 9334
      3652 9340 3675 9331 3675 9307
TIME...MOT...LOC 2032Z 260DEG 31KT 3654 9341 3656 9320 3656 9308 

$$

MOC209-213-092045-
/O.CON.KSGF.SV.W.0023.000000T0000Z-210409T2045Z/
Taney MO-Stone MO-
333 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR WESTERN TANEY AND SOUTHEASTERN STONE COUNTIES...

At 332 PM CDT, severe thunderstorms were located along a line
extending from 6 miles south of Kimberling City to near Hollister to
9 miles south of Forsyth, moving east at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Branson...                        Lake Taneycomo...
Table Rock Lake...                Bull Shoals Lake...
Table Rock State Park...          Hollister...
Silver Dollar City...             Forsyth...
Merriam Woods...                  Kissee Mills...
Rockaway Beach...                 Bull Creek...
Indian Point...                   Taneyville...
Table Rock...                     Kirbyville...
Powersite...                      Ozark Beach...
Walnut Shade...                   Edgewater Beach...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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


&&

LAT...LON 3674 9296 3659 9298 3650 9304 3652 9334
      3652 9340 3675 9331 3675 9307
TIME...MOT...LOC 2032Z 260DEG 31KT 3654 9341 3656 9320 3656 9308 

HAIL...1.00IN
WIND...<50MPH
 
$$

Terry
479 
WWUS53 KSGF 092036
SVSSGF

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

MOC209-213-092045-
/O.EXP.KSGF.SV.W.0023.000000T0000Z-210409T2045Z/
Taney MO-Stone MO-
336 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN TANEY AND SOUTHEASTERN
STONE COUNTIES WILL EXPIRE AT 345 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3674 9296 3659 9298 3650 9304 3652 9334
      3652 9340 3675 9331 3675 9307
TIME...MOT...LOC 2035Z 197DEG 25KT 3654 9341 3656 9320 3656 9308 

$$

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, 2:58 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, 3:29 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence, Stone46 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.