Alert archive / Missouri / Tornado Warnings in 2019

Tornado Warning 57, NWS Springfield, MO

May 20, 2019Polk County, Missouri

NWS Springfield, MO issued this tornado warning at May 20, 2019, 7:52 PM CDT for Polk County, Missouri. It was in force for 23 min. 3 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: May 20, 2019, 7:52 PM CDT (00:52 UTC)
Expired: May 20, 2019, 8:15 PM CDT
In force: 23 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Polk County, MO

The radar

The Springfield radar (KSGF), 52 km from the middle of the area, began a volume at 00:52 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
May 20, 7:58 PM CDT	TSTM WND DMG	1 Ssw Bolivar, MO	CORRECTS PREVIOUS TSTM WND DMG REPORT LOCATION FROM BOLIVAR. LARGE DIAMETER TREE BROKEN. VIA SOCIAL MEDIA.
May 20, 7:58 PM CDT	TSTM WND DMG	1 Ssw Bolivar, MO	CORRECTS PREVIOUS TSTM WND DMG REPORT TO ADD MORE DAMAGE FROM BOLIVAR. LARGE DIAMETER TREE BROKEN. VIA SOCIAL MEDIA. THEN THE TREE IN THE BACK IS PARTIALLY UPROOTED AND BROKEN. AND THERE ARE A FEW STICKS IMPALED THE GROUND. NEXT DOOR NEIGHBOR SAID HER ROOF IS
May 20, 7:58 PM CDT	TSTM WND DMG	Bolivar, MO	TREE BROKEN AT TOP. VIA SOCIAL MEDIA.

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
May 20, 5:14 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.9 hours before the alert went out and 100 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: 38 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 462 m²/s²
0-3 km storm-relative helicity: 819 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

294 
WFUS53 KSGF 210052
TORSGF
MOC167-210115-
/O.NEW.KSGF.TO.W.0057.190521T0052Z-190521T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
752 PM CDT Mon May 20 2019

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northeastern Polk County in southwestern Missouri...

* Until 815 PM CDT.
    
* At 752 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Bolivar, 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.

* Locations impacted include...
  Bolivar...                        Polk...
  Halfway...                        Goodson...

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 3773 9319 3773 9317 3761 9318 3752 9349
      3760 9352 3781 9321 3780 9319
TIME...MOT...LOC 0052Z 240DEG 40KT 3761 9340 

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

$$

Wise

1 follow-up statement

449 
WWUS53 KSGF 210118
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
818 PM CDT Mon May 20 2019

MOC167-210128-
/O.EXP.KSGF.TO.W.0057.000000T0000Z-190521T0115Z/
Polk MO-
818 PM CDT Mon May 20 2019

...THE TORNADO WARNING FOR NORTHEASTERN POLK COUNTY HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

A Tornado Watch remains in effect until 100 AM CDT for southwestern
Missouri.

LAT...LON 3773 9319 3773 9317 3761 9318 3752 9349
      3760 9352 3781 9321 3780 9319
TIME...MOT...LOC 0118Z 240DEG 40KT 3775 9309 

$$

Wise

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 7:23 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Polk, Webster	52 min
May 20, 7:42 PM CDT	Flash Flood Warning	SGF	Barton, Jasper	6 hr
May 20, 8:00 PM CDT	River Flood Warning	SGF	Cedar	28 days
May 20, 8:00 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Laclede	45 min
May 20, 8:15 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	60 min
May 20, 8:16 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Hickory, Laclede, Miller, Polk	19 min
May 20, 8:18 PM CDT	Flash Flood Warning	SGF	Barton, Cedar, Dade, Jasper, Lawrence, Vernon	6 hr
May 20, 8:57 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, St. Clair	63 min
May 20, 9:08 PM CDT	River Flood Warning	SGF	Pulaski	58 hr
May 20, 9:14 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	46 min
May 20, 9:26 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	64 min
May 20, 9:31 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory, Polk	59 min
May 20, 9:35 PM CDT	Flash Flood Warning	SGF	Cedar, St. Clair, Vernon	5 hr
May 20, 9:40 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence	65 min
May 20, 10:09 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Polk	51 min
May 20, 10:14 PM CDT	Flash Flood Warning	SGF	Barry, Dade, Jasper, Lawrence, McDonald, Newton	5 hr
May 20, 10:35 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Polk, Webster	40 min
May 20, 10:54 PM CDT	Flash Flood Warning	SGF	Benton, Camden, Christian, Dallas, Greene, Hickory and 4 more	4 hr
May 20, 11:01 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster	44 min
May 20, 11:24 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Laclede, Pulaski, Texas, Wright	35 min
May 20, 11:37 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Lawrence, McDonald, Newton, Stone and 1 more	3 hr
May 20, 11:52 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps, Pulaski, Texas, Wright	38 min
May 21, 12:04 AM CDT	Flash Flood Warning	SGF	Camden, Christian, Dallas, Douglas, Laclede, Pulaski and 3 more	3 hr
May 21, 12:14 AM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald	46 min
May 21, 12:28 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas, Wright	62 min
May 21, 1:11 AM CDT	Flash Flood Warning	SGF	Dent, Phelps, Pulaski, Shannon, Texas	2 hr
May 21, 1:53 AM CDT	Areal Flood Warning	SGF	Barton, Cedar, Dade, Jasper, Lawrence, Newton and 3 more	33 hr
May 21, 2:21 AM CDT	Flash Flood Warning	SGF	Christian, Dent, Douglas, Howell, Oregon, Ozark and 4 more	4 hr
May 21, 2:45 AM CDT	Tornado Warning	SGF	Howell, Ozark	20 min
May 21, 2:50 AM CDT	Areal Flood Warning	SGF	Barry, Christian, Lawrence, McDonald, Newton, Stone and 1 more	32 hr
May 21, 3:18 AM CDT	Areal Flood Warning	SGF	Benton, Camden, Christian, Dallas, Greene, Hickory and 3 more	17 hr
May 21, 3:25 AM CDT	Areal Flood Warning	SGF	Camden, Dent, Douglas, Laclede, Phelps, Pulaski and 4 more	10 hr
May 21, 4:41 AM CDT	River Flood Warning	SGF	Phelps	4 days
May 21, 4:46 AM CDT	River Flood Warning	SGF	Pulaski	27 hr
May 21, 5:53 AM CDT	Areal Flood Warning	SGF	Christian, Dent, Douglas, Howell, Oregon, Ozark and 4 more	29 hr
May 21, 7:37 AM CDT	River Flood Warning	SGF	Jasper, Newton	67 hr
May 21, 8:05 AM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	55 min
May 21, 9:34 AM CDT	River Flood Warning	SGF	McDonald	48 hr
May 21, 9:54 AM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	51 min
May 21, 10:25 AM CDT	River Flood Warning	SGF	Shannon	10 hr
May 21, 10:32 AM CDT	River Flood Warning	SGF	Stone	53 hr
May 21, 10:43 AM CDT	Special Weather Statement	SGF	McDonald	32 min
May 21, 11:25 AM CDT	Special Weather Statement	SGF	Barry	35 min
May 21, 11:43 AM CDT	Severe Thunderstorm Warning	SGF	Barry	47 min
May 21, 12:05 PM CDT	Flash Flood Warning	SGF	Barry	6 hr
May 21, 12:25 PM CDT	Special Weather Statement	SGF	Greene	50 min
May 21, 12:59 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	31 min
May 21, 1:06 PM CDT	Tornado Warning	SGF	Dallas, Greene, Webster	24 min
May 21, 1:15 PM CDT	Flash Flood Warning	SGF	Greene	5 hr
May 21, 1:20 PM CDT	Areal Flood Warning	SGF	Camden, Dent, Douglas, Laclede, Phelps, Pulaski and 4 more	21 hr
May 21, 1:22 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster	38 min
May 21, 1:35 PM CDT	Tornado Warning	SGF	Stone	25 min
May 21, 1:57 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone	33 min
May 21, 2:13 PM CDT	Flash Flood Warning	SGF	Dallas, Greene, Polk	4 hr
May 21, 2:24 PM CDT	Special Weather Statement	SGF	Webster	36 min
May 21, 2:41 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	49 min
May 21, 2:44 PM CDT	Tornado Warning	SGF	Webster	31 min
May 21, 2:47 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney	43 min
May 21, 2:56 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster, Wright	49 min
May 21, 3:02 PM CDT	Tornado Warning	SGF	Douglas, Wright	28 min
May 21, 3:08 PM CDT	Severe Thunderstorm Warning	SGF	Laclede	37 min
May 21, 3:18 PM CDT	Tornado Warning	SGF	Wright	27 min
May 21, 3:22 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	38 min
May 21, 3:23 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	37 min
May 21, 3:25 PM CDT	Flash Flood Warning	SGF	Camden, Dallas, Laclede, Webster	4 hr
May 21, 3:28 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	32 min
May 21, 3:31 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Pulaski	29 min
May 21, 3:38 PM CDT	Tornado Warning Tornado observed	SGF	Laclede, Texas, Wright	37 min
May 21, 3:50 PM CDT	Tornado Warning	SGF	Howell, Ozark	25 min
May 21, 3:53 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller, Pulaski	52 min
May 21, 4:02 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Phelps, Pulaski, Texas	43 min
May 21, 4:10 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Texas	35 min
May 21, 4:17 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps	43 min
May 21, 4:24 PM CDT	Tornado Warning Tornado observed	SGF	Dent, Phelps	36 min
May 21, 4:41 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Oregon, Shannon	49 min
May 21, 5:33 PM CDT	Special Weather Statement	SGF	Oregon, Shannon	27 min

Nearby

Tornado Warnings in Missouri, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.