Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 19, NWS Springfield, MO

April 28, 2021Ozark County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 28, 2021, 10:24 AM CDT for Ozark County, Missouri. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 28, 2021, 10:24 AM CDT (15:24 UTC)
Expired
Apr 28, 2021, 11:00 AM CDT
In force
36 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Ozark County, MO

The radar

The Springfield radar (KSGF), 99 km from the middle of the area, began a volume at 15:24 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 28, 9:33 AM CDTTornado WatchSPC4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 3.4 hours before the alert went out and 113 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 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.1939587897Sfc1 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
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.

862 
WFUS53 KSGF 281524
TORSGF
MOC153-281600-
/O.NEW.KSGF.TO.W.0019.210428T1524Z-210428T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
1024 AM CDT Wed Apr 28 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Ozark County in southwestern Missouri...

* Until 1100 AM CDT.
    
* At 1024 AM CDT, a severe thunderstorm capable of producing a
  tornado was located 7 miles northwest of Price Place, or 15 miles
  north of Bull Shoals, moving northeast at 40 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...
  Bull Shoals Lake...               Gainesville...
  Theodosia...                      Pontiac...
  Sundown...                        Brixey...
  Noble...                          Willhoit...
  Tecumseh...                       Hardenville...
  Thornfield...                     Rockbridge...
  Long Run...                       Isabella...
  Zanoni...                         Sycamore...

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 3664 9277 3680 9254 3680 9227 3657 9228
      3650 9260 3650 9277
TIME...MOT...LOC 1524Z 237DEG 37KT 3659 9266 

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

$$

Perez
2 follow-up statements
475 
WWUS53 KSGF 281538
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1038 AM CDT Wed Apr 28 2021

MOC153-281600-
/O.CON.KSGF.TO.W.0019.000000T0000Z-210428T1600Z/
Ozark MO-
1038 AM CDT Wed Apr 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR CENTRAL
OZARK COUNTY...
    
At 1038 AM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northwest of Gainesville, or 19 miles north of
Bull Shoals, moving northeast at 40 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...
Gainesville...                    Hardenville...
Thornfield...                     Brixey...
Noble...                          Willhoit...
Tecumseh...                       Rockbridge...
Isabella...                       Zanoni...
Sycamore...                       

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 3669 9269 3680 9254 3680 9227 3657 9228
      3655 9260
TIME...MOT...LOC 1538Z 240DEG 37KT 3666 9258 

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

$$

Perez
533 
WWUS53 KSGF 281543
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1043 AM CDT Wed Apr 28 2021

MOC153-281600-
/O.CON.KSGF.TO.W.0019.000000T0000Z-210428T1600Z/
Ozark MO-
1043 AM CDT Wed Apr 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR
NORTHWESTERN OZARK COUNTY...
    
At 1043 AM CDT, a severe thunderstorm capable of producing a tornado
was located 10 miles northwest of Gainesville, or 18 miles south of
Ava, moving northeast at 35 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...
Rockbridge...                     Brixey...
Noble...                          Zanoni...
Willhoit...                       

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 3670 9266 3680 9253 3680 9227 3665 9228
      3664 9261
TIME...MOT...LOC 1543Z 233DEG 28KT 3670 9257 

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

$$

Perez

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 4:48 AM CDTSpecial Weather StatementSGFDade, Greene, Lawrence27 min
Apr 28, 8:01 AM CDTSevere Thunderstorm WarningSGFBarry44 min
Apr 28, 8:25 AM CDTFlash Flood WarningSGFBarry, McDonald6 hr
Apr 28, 8:27 AM CDTSevere Thunderstorm WarningSGFBarry33 min
Apr 28, 8:46 AM CDTFlash Flood WarningSGFBarry, Stone6 hr
Apr 28, 8:51 AM CDTSevere Thunderstorm WarningSGFStone39 min
Apr 28, 9:03 AM CDTTornado WarningSGFStone27 min
Apr 28, 9:14 AM CDTTornado WarningSGFTaney31 min
Apr 28, 9:18 AM CDTSevere Thunderstorm WarningSGFStone, Taney42 min
Apr 28, 9:33 AM CDTFlash Flood WarningSGFChristian, Taney6 hr
Apr 28, 9:37 AM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Ozark, Taney68 min
Apr 28, 9:43 AM CDTTornado WarningSGFChristian, Taney32 min
Apr 28, 9:55 AM CDTRiver Flood WarningSGFShannon44 hr
Apr 28, 9:55 AM CDTRiver Flood WarningSGFPulaski11 hr
Apr 28, 9:55 AM CDTRiver Flood WarningSGFStone10 hr
Apr 28, 9:55 AM CDTRiver Flood WarningSGFMcDonald23 hr
Apr 28, 9:55 AM CDTRiver Flood WarningSGFShannon51 hr
Apr 28, 10:14 AM CDTTornado WarningSGFChristian, Douglas, Webster31 min
Apr 28, 10:15 AM CDTFlash Flood WarningSGFDouglas, Ozark, Taney, Webster, Wright6 hr
Apr 28, 10:21 AM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark, Taney, Webster, Wright39 min
Apr 28, 10:44 AM CDTFlash Flood WarningSGFDouglas, Ozark6 hr
Apr 28, 10:58 AM CDTTornado WarningSGFDouglas, Ozark32 min
Apr 28, 11:12 AM CDTFlash Flood WarningSGFHowell, Texas6 hr
Apr 28, 11:27 AM CDTSevere Thunderstorm WarningSGFWright33 min
Apr 28, 11:29 AM CDTSevere Thunderstorm WarningSGFDouglas, Howell22 min
Apr 28, 11:49 AM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Shannon41 min
Apr 28, 12:01 PM CDTFlash Flood WarningSGFDent, Laclede, Phelps, Pulaski, Texas, Wright6 hr
Apr 28, 12:02 PM CDTTornado WarningSGFHowell, Oregon, Shannon28 min
Apr 28, 12:07 PM CDTFlash Flood WarningSGFOregon, Shannon6 hr
Apr 28, 12:30 PM CDTSevere Thunderstorm WarningSGFOregon, Shannon30 min
Apr 28, 1:48 PM CDTFlash Flood WarningSGFMcDonald6 hr
Apr 28, 2:09 PM CDTFlash Flood WarningSGFMcDonald6 hr
Apr 28, 2:29 PM CDTAreal Flood WarningSGFBarry, Christian, Douglas, McDonald, Ozark, Stone and 2 more29 hr
Apr 28, 2:39 PM CDTAreal Flood WarningSGFDouglas, Ozark, Webster, Wright24 hr
Apr 28, 3:45 PM CDTAreal Flood WarningSGFDent, Howell, Oregon, Phelps, Pulaski, Shannon and 1 more24 hr

Nearby

Tornado Warnings in Missouri, 2021Every tornado warning in 2021Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.