Alert archive / Missouri / Tornado Warnings in 2020

Tornado Warning 21, NWS Springfield, MO

November 14, 2020Dallas County, Polk County, Missouri

NWS Springfield, MO issued this tornado warning at Nov 14, 2020, 6:34 PM CST for Dallas County, Polk County, Missouri. It was in force for 26 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: Nov 14, 2020, 6:34 PM CST (00:34 UTC)
Expired: Nov 14, 2020, 7:00 PM CST
In force: 26 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Dallas County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 59 km from the middle of the area, began a volume at 00:34 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.

Issued	Product	Office	Lasted
Nov 14, 5:14 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 111 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: 305 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 667 m²/s²
0-3 km storm-relative helicity: 734 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

As transmitted.

106 
WFUS53 KSGF 150034
TORSGF
MOC059-167-150100-
/O.NEW.KSGF.TO.W.0021.201115T0034Z-201115T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
634 PM CST Sat Nov 14 2020

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Central Dallas County in southwestern Missouri...
  Southern Polk County in southwestern Missouri...

* Until 700 PM CST.
    
* At 634 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Morrisville, or 8 miles south of Bolivar, moving
  northeast 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...
  Bolivar...                        Bennett Spring State Park...
  Buffalo...                        Morrisville...
  Halfway...                        Bennett Springs...
  Louisburg...                      Windyville...
  Pumpkin Center...                 Foose...
  Plad...                           Goodson...
  Long Lane...                      March...

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 3774 9285 3772 9286 3772 9284 3771 9284
      3758 9285 3743 9347 3755 9354 3785 9299
TIME...MOT...LOC 0034Z 242DEG 49KT 3750 9343 

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

$$

Albano

1 follow-up statement

273 
WWUS53 KSGF 150049
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
649 PM CST Sat Nov 14 2020

MOC059-167-150100-
/O.CON.KSGF.TO.W.0021.000000T0000Z-201115T0100Z/
Dallas MO-Polk MO-
649 PM CST Sat Nov 14 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR CENTRAL
DALLAS AND SOUTHEASTERN POLK COUNTIES...
    
At 649 PM CST, a severe thunderstorm capable of producing a tornado
was located near Buffalo, moving northeast at 55 mph.

HAZARD...Tornado and golf ball size hail.

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...
Bennett Spring State Park...      Buffalo...
Morrisville...                    Halfway...
Bennett Springs...                Windyville...
Foose...                          Plad...
Long Lane...                      Pumpkin Center...
March...                          

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 3774 9285 3772 9286 3772 9284 3771 9284
      3758 9285 3743 9347 3749 9349 3785 9299
TIME...MOT...LOC 0049Z 242DEG 49KT 3760 9319 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Albano

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 6:04 PM CST	Severe Thunderstorm Warning	SGF	Dade, Jasper, Lawrence, Newton, Polk	41 min
Nov 14, 6:20 PM CST	Tornado Warning	SGF	Newton	25 min
Nov 14, 6:30 PM CST	Severe Thunderstorm Warning	SGF	Hickory, Polk	8 min
Nov 14, 6:45 PM CST	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede, Miller, Polk, Webster	60 min
Nov 14, 6:48 PM CST	Severe Thunderstorm Warning	SGF	Barry, McDonald, Newton	42 min
Nov 14, 6:49 PM CST	Severe Thunderstorm Warning	SGF	Dade, Greene, Lawrence	41 min
Nov 14, 6:59 PM CST	Tornado Warning	SGF	Dallas	31 min
Nov 14, 7:23 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Greene, Lawrence, Stone	50 min
Nov 14, 7:33 PM CST	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Maries, Miller, Phelps, Pulaski and 2 more	57 min
Nov 14, 7:51 PM CST	Severe Thunderstorm Warning	SGF	Benton	24 min
Nov 14, 7:56 PM CST	Tornado Warning	SGF	Maries, Phelps, Pulaski	34 min
Nov 14, 8:06 PM CST	Severe Thunderstorm Warning	SGF	Christian, Douglas, Laclede, Webster, Wright	54 min
Nov 14, 8:08 PM CST	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps, Pulaski	52 min
Nov 14, 8:14 PM CST	Special Weather Statement	SGF	Morgan	61 min
Nov 14, 8:22 PM CST	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	53 min
Nov 14, 8:27 PM CST	Tornado Warning	SGF	Stone, Taney	20 min
Nov 14, 8:29 PM CST	Special Weather Statement	SGF	Dade, Dallas, Greene, Lawrence, McDonald, Newton and 1 more	61 min
Nov 14, 8:38 PM CST	Severe Thunderstorm Warning	SGF	Dent, Phelps, Pulaski, Shannon, Texas	67 min
Nov 14, 8:58 PM CST	Severe Thunderstorm Warning	SGF	Christian, Douglas, Howell, Ozark, Shannon, Taney and 3 more	62 min
Nov 14, 8:58 PM CST	Severe Thunderstorm Warning	SGF	Shannon, Texas	31 min
Nov 14, 9:03 PM CST	Special Weather Statement	SGF	Barry, Christian, Greene, Laclede, McDonald, Maries and 4 more	57 min
Nov 14, 9:16 PM CST	Severe Thunderstorm Warning	SGF	Stone, Taney	44 min
Nov 14, 9:19 PM CST	Tornado Warning	SGF	Douglas, Ozark	26 min
Nov 14, 9:42 PM CST	Tornado Warning	SGF	Douglas, Howell, Ozark	18 min
Nov 14, 9:58 PM CST	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark, Shannon, Texas	35 min
Nov 14, 10:19 PM CST	Tornado Warning	SGF	Howell, Shannon	26 min
Nov 14, 10:32 PM CST	Severe Thunderstorm Warning	SGF	Shannon	43 min
Nov 14, 10:37 PM CST	Severe Thunderstorm Warning	SGF	Howell, Oregon	57 min
Nov 14, 11:18 PM CST	Tornado Warning	SGF	Oregon	15 min
Nov 14, 11:23 PM CST	Severe Thunderstorm Warning	SGF	Oregon	18 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.