Alert archive / Missouri / Tornado Warnings in 2020

Tornado Warning 16, NWS Springfield, MO

April 28, 2020Wright County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 28, 2020, 7:57 PM CDT for Wright County, Missouri. It was in force for 33 min. 4 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 28, 2020, 7:57 PM CDT (00:57 UTC)
Expired: Apr 28, 2020, 8:30 PM CDT
In force: 33 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Wright County, MO

The radar

The Springfield radar (KSGF), 80 km from the middle of the area, began a volume at 00:58 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, 8:07 PM CDT	TSTM WND DMG	3 Ssw Hartville, MO	TREES DOWN ON HWY 5.
Apr 28, 8:12 PM CDT	TSTM WND DMG	5 Nne Norwood, MO	TREES DOWN ON HWY E.
Apr 28, 8:21 PM CDT	HAIL 1	6 Ssw Dawson, MO	QUARTER SIZE HAIL REPORTED BY MOUNTAIN GROVE FD, WEST OF TOWN.
Apr 28, 8:24 PM CDT	TSTM WND GST 65	Mountain Grove, MO

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 28, 3:51 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 119 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: 1990 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1071 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted.

764 
WFUS53 KSGF 290057
TORSGF
MOC229-290130-
/O.NEW.KSGF.TO.W.0016.200429T0057Z-200429T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
757 PM CDT Tue Apr 28 2020

The National Weather Service in Springfield has issued a

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

* Until 830 PM CDT.
    
* At 757 PM CDT, severe thunderstorms capable of producing a tornado
  were located along a line extending from 7 miles west of Hartville
  to near Mansfield, moving east 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...
  Mountain Grove...                 Mansfield...
  Dawson...                         Norwood...
  Hartville...                      Odin...

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 3707 9268 3733 9269 3731 9225 3706 9225
      3706 9244
TIME...MOT...LOC 0057Z 291DEG 25KT 3727 9264 3715 9266 

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

$$

Wise

2 follow-up statements

477 
WWUS53 KSGF 290109
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
809 PM CDT Tue Apr 28 2020

MOC229-290130-
/O.CON.KSGF.TO.W.0016.000000T0000Z-200429T0130Z/
Wright MO-
809 PM CDT Tue Apr 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR SOUTHERN
WRIGHT COUNTY...
    
At 809 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from Hartville to 6 miles
northwest of Norwood to near Mansfield, moving east at 55 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...
Mountain Grove...                 Mansfield...
Dawson...                         Norwood...
Hartville...                      

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 3707 9259 3733 9261 3731 9225 3706 9225
      3706 9244
TIME...MOT...LOC 0109Z 277DEG 50KT 3724 9254 3719 9247 3707 9250 

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

$$

Wise

067 
WWUS53 KSGF 290130
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
830 PM CDT Tue Apr 28 2020

MOC229-290140-
/O.EXP.KSGF.TO.W.0016.000000T0000Z-200429T0130Z/
Wright MO-
830 PM CDT Tue Apr 28 2020

...THE TORNADO WARNING FOR SOUTHERN WRIGHT COUNTY HAS EXPIRED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central and southwestern Missouri.

LAT...LON 3707 9259 3733 9261 3731 9225 3706 9225
      3706 9244
TIME...MOT...LOC 0130Z 291DEG 25KT 3719 9237 3714 9230 3702 9233 

$$

Wise

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:21 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dallas, Douglas, Ozark, Taney, Webster and 1 more	54 min
Apr 28, 7:23 PM CDT	Tornado Warning	SGF	Christian	22 min
Apr 28, 7:37 PM CDT	Tornado Warning	SGF	Webster	23 min
Apr 28, 7:42 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Phelps, Pulaski	28 min
Apr 28, 7:42 PM CDT	Tornado Warning	SGF	Christian, Douglas	33 min
Apr 28, 7:51 PM CDT	Flash Flood Warning	SGF	Laclede, Pulaski	6 hr
Apr 28, 8:05 PM CDT	Tornado Warning	SGF	Douglas	25 min
Apr 28, 8:08 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark, Texas, Wright	67 min
Apr 28, 8:47 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	58 min

Nearby

Tornado Warnings in Missouri, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.