Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 15, NWS Springfield, MO

April 28, 2021Stone County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 28, 2021, 9:03 AM CDT for Stone County, Missouri. It was in force for 27 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: Apr 28, 2021, 9:03 AM CDT (14:03 UTC)
Expired: Apr 28, 2021, 9:30 AM CDT
In force: 27 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Stone County, MO

The radar

The Springfield radar (KSGF), 68 km from the middle of the area, began a volume at 14:05 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

Time	Report	Where	Remark
Apr 28, 9:20 AM CDT	TSTM WND DMG	1 E Silver Dollar City, MO	MULTIPLE TREES DOWN AND LIGHT TOWERS BLOWN OVER INDIAN POINT ROAD.

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, 2.1 hours before the alert went out and 44 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 34 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1441 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

038 
WFUS53 KSGF 281403
TORSGF
MOC209-281430-
/O.NEW.KSGF.TO.W.0015.210428T1403Z-210428T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
903 AM CDT Wed Apr 28 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Southeastern Stone County in southwestern Missouri...

* Until 930 AM CDT.
    
* At 903 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Kimberling City, moving east at 25 mph.

  HAZARD...Tornado.

  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...
  Branson...                        Table Rock Lake...
  Table Rock State Park...          Silver Dollar City...
  Kimberling City...                Indian Point...
  Branson West...                   Coney Island...
  Lampe...                          

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 3663 9353 3675 9331 3656 9331 3656 9353
TIME...MOT...LOC 1403Z 252DEG 21KT 3660 9348 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Perez

1 follow-up statement

220 
WWUS53 KSGF 281428
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
928 AM CDT Wed Apr 28 2021

MOC209-281437-
/O.EXP.KSGF.TO.W.0015.000000T0000Z-210428T1430Z/
Stone MO-
928 AM CDT Wed Apr 28 2021

...THE TORNADO WARNING FOR SOUTHEASTERN STONE COUNTY WILL EXPIRE AT
930 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A Tornado Watch remains in effect until 300 PM CDT for southwestern
Missouri.

LAT...LON 3663 9353 3675 9331 3656 9331 3656 9353
TIME...MOT...LOC 1427Z 252DEG 21KT 3664 9332 

$$

Perez

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 4:48 AM CDT	Special Weather Statement	SGF	Dade, Greene, Lawrence	27 min
Apr 28, 8:01 AM CDT	Severe Thunderstorm Warning	SGF	Barry	44 min
Apr 28, 8:25 AM CDT	Flash Flood Warning	SGF	Barry, McDonald	6 hr
Apr 28, 8:27 AM CDT	Severe Thunderstorm Warning	SGF	Barry	33 min
Apr 28, 8:46 AM CDT	Flash Flood Warning	SGF	Barry, Stone	6 hr
Apr 28, 8:51 AM CDT	Severe Thunderstorm Warning	SGF	Stone	39 min
Apr 28, 9:14 AM CDT	Tornado Warning	SGF	Taney	31 min
Apr 28, 9:18 AM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	42 min
Apr 28, 9:33 AM CDT	Flash Flood Warning	SGF	Christian, Taney	6 hr
Apr 28, 9:37 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney	68 min
Apr 28, 9:43 AM CDT	Tornado Warning	SGF	Christian, Taney	32 min
Apr 28, 9:55 AM CDT	River Flood Warning	SGF	Shannon	44 hr
Apr 28, 9:55 AM CDT	River Flood Warning	SGF	Pulaski	11 hr
Apr 28, 9:55 AM CDT	River Flood Warning	SGF	Stone	10 hr
Apr 28, 9:55 AM CDT	River Flood Warning	SGF	McDonald	23 hr
Apr 28, 9:55 AM CDT	River Flood Warning	SGF	Shannon	51 hr
Apr 28, 10:14 AM CDT	Tornado Warning	SGF	Christian, Douglas, Webster	31 min
Apr 28, 10:15 AM CDT	Flash Flood Warning	SGF	Douglas, Ozark, Taney, Webster, Wright	6 hr
Apr 28, 10:21 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark, Taney, Webster, Wright	39 min
Apr 28, 10:24 AM CDT	Tornado Warning	SGF	Ozark	36 min
Apr 28, 10:44 AM CDT	Flash Flood Warning	SGF	Douglas, Ozark	6 hr
Apr 28, 10:58 AM CDT	Tornado Warning	SGF	Douglas, Ozark	32 min
Apr 28, 11:12 AM CDT	Flash Flood Warning	SGF	Howell, Texas	6 hr
Apr 28, 11:27 AM CDT	Severe Thunderstorm Warning	SGF	Wright	33 min
Apr 28, 11:29 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell	22 min
Apr 28, 11:49 AM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	41 min
Apr 28, 12:01 PM CDT	Flash Flood Warning	SGF	Dent, Laclede, Phelps, Pulaski, Texas, Wright	6 hr
Apr 28, 12:02 PM CDT	Tornado Warning	SGF	Howell, Oregon, Shannon	28 min
Apr 28, 12:07 PM CDT	Flash Flood Warning	SGF	Oregon, Shannon	6 hr
Apr 28, 12:30 PM CDT	Severe Thunderstorm Warning	SGF	Oregon, Shannon	30 min
Apr 28, 1:48 PM CDT	Flash Flood Warning	SGF	McDonald	6 hr
Apr 28, 2:09 PM CDT	Flash Flood Warning	SGF	McDonald	6 hr
Apr 28, 2:29 PM CDT	Areal Flood Warning	SGF	Barry, Christian, Douglas, McDonald, Ozark, Stone and 2 more	29 hr
Apr 28, 2:39 PM CDT	Areal Flood Warning	SGF	Douglas, Ozark, Webster, Wright	24 hr
Apr 28, 3:45 PM CDT	Areal Flood Warning	SGF	Dent, Howell, Oregon, Phelps, Pulaski, Shannon and 1 more	24 hr

Nearby

Tornado Warnings in Missouri, 2021 Every tornado warning in 2021 Tornadoes 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.