Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 14, NWS Springfield, MO

April 7, 2021Benton County, Morgan County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 7, 2021, 2:46 PM CDT for Benton County, Morgan County, Missouri. It was in force for 29 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 7, 2021, 2:46 PM CDT (19:46 UTC)
Expired: Apr 7, 2021, 3:15 PM CDT
In force: 29 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Benton County, MO, Morgan County, MO

The radar

The Pleasant Hill radar (KEAX), 113 km from the middle of the area, began a volume at 19:50 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 7, 3:15 PM CDT	TSTM WND GST 61	7 Sse Syracuse, MO	THIS IS A DELAYED REPORT. A PUBLIC, TEMPEST WEATHER STATION MEASURED A 61 MPH GUST NEAR FORTUNA.

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.

Issued	Product	Office	Lasted
Apr 7, 12:02 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.8 hours before the alert went out and 197 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: 790 J/kg
Mixed-layer CIN: -275 J/kg
Mixed-layer LCL: 767 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

922 
WFUS53 KSGF 071946
TORSGF
MOC015-141-072015-
/O.NEW.KSGF.TO.W.0014.210407T1946Z-210407T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
246 PM CDT Wed Apr 7 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northeastern Benton County in central Missouri...
  Northwestern Morgan County in central Missouri...

* Until 315 PM CDT.
    
* At 246 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Cole Camp, or 16 miles northeast of Warsaw, moving
  northeast at 45 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.

* This dangerous storm will be near...
  Stover around 255 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Syracuse, Crockerville and Florence.

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 3868 9284 3860 9284 3856 9280 3832 9308
      3841 9328 3854 9320 3853 9307 3869 9306
TIME...MOT...LOC 1946Z 214DEG 38KT 3841 9317 

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

$$

Schaumann

3 follow-up statements

520 
WWUS53 KSGF 071954
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
254 PM CDT Wed Apr 7 2021

MOC015-141-072015-
/O.CON.KSGF.TO.W.0014.000000T0000Z-210407T2015Z/
Benton MO-Morgan MO-
254 PM CDT Wed Apr 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
NORTHEASTERN BENTON AND NORTHWESTERN MORGAN COUNTIES...
    
At 253 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Cole Camp, or 15 miles west of Versailles, moving 
northeast at 45 mph. A second circulation is located 3 miles 
northwest of Stover.

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.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Benton and northwestern Morgan Counties, including the
following locations... Syracuse, Crockerville and Florence.

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 3868 9284 3860 9284 3856 9280 3837 9302
      3847 9324 3854 9320 3853 9307 3869 9306
TIME...MOT...LOC 1953Z 214DEG 38KT 3848 9311 

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

$$

Schaumann

427 
WWUS53 KSGF 072006
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
306 PM CDT Wed Apr 7 2021

MOC015-072016-
/O.CAN.KSGF.TO.W.0014.000000T0000Z-210407T2015Z/
Benton MO-
306 PM CDT Wed Apr 7 2021

...THE TORNADO WARNING FOR NORTHEASTERN BENTON COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central Missouri.

LAT...LON 3868 9284 3860 9284 3856 9280 3845 9292
      3856 9307 3869 9306
TIME...MOT...LOC 2006Z 224DEG 45KT 3862 9305 3859 9292 3849 9287 

$$

MOC141-072015-
/O.CON.KSGF.TO.W.0014.000000T0000Z-210407T2015Z/
Morgan MO-
306 PM CDT Wed Apr 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
NORTHWESTERN MORGAN COUNTY...
    
At 306 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Smithton to 8 miles
southwest of Tipton to near Versailles, moving northeast at 50 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.

These tornadic storms will remain over mainly rural areas of
northwestern Morgan County, including the following locations...
Syracuse and Florence.

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 3868 9284 3860 9284 3856 9280 3845 9292
      3856 9307 3869 9306
TIME...MOT...LOC 2006Z 224DEG 45KT 3862 9305 3859 9292 3849 9287 

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

$$

Schaumann

144 
WWUS53 KSGF 072015
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
315 PM CDT Wed Apr 7 2021

MOC141-072025-
/O.EXP.KSGF.TO.W.0014.000000T0000Z-210407T2015Z/
Morgan MO-
315 PM CDT Wed Apr 7 2021

...THE TORNADO WARNING FOR NORTHWESTERN MORGAN COUNTY HAS EXPIRED...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central Missouri.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.

LAT...LON 3868 9284 3860 9284 3856 9280 3845 9292
      3856 9307 3869 9306
TIME...MOT...LOC 2015Z 214DEG 38KT 3870 9299 3867 9286 3857 9281 

$$

Schaumann

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 7:16 AM CDT	Special Weather Statement	SGF	Christian	29 min
Apr 7, 12:39 PM CDT	Special Weather Statement	SGF	Dade	36 min
Apr 7, 1:04 PM CDT	Special Weather Statement	SGF	St. Clair	26 min
Apr 7, 2:07 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Stone	38 min
Apr 7, 2:38 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Camden, Morgan	52 min
Apr 7, 3:27 PM CDT	Severe Thunderstorm Warning	SGF	Webster, Wright	48 min
Apr 7, 3:56 PM CDT	Severe Thunderstorm Warning	SGF	Miller	34 min

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.