Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 4, NWS Springfield, MO

March 6, 2017Cedar County, St. Clair County, Vernon County, Missouri

NWS Springfield, MO issued this tornado warning at Mar 6, 2017, 9:21 PM CST for Cedar County, St. Clair County, Vernon County, Missouri. It was in force for 24 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: Mar 6, 2017, 9:21 PM CST (03:21 UTC)
Expired: Mar 6, 2017, 9:45 PM CST
In force: 24 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cedar County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 91 km from the middle of the area, began a volume at 03:24 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.

What was reported inside it

Time	Report	Where	Remark
Mar 6, 9:24 PM CST	TSTM WND DMG	Nevada, MO	POSSIBLE TORNADO SOUTH OF NEVADA AT THE BELLAMY EXIT. POWER FLASHES. SENDING DEPUTY TO CHECK.
Mar 6, 9:30 PM CST	TSTM WND DMG	2 Sse Nevada, MO	A TRACKER TRAILER WAS BLOWN OVER AND BLOCKED 1-49 NEAR THE BELLAMY EXIT SOUTH OF NEVADA. TIME WAS ESTIMATED BY RADAR.
Mar 6, 9:40 PM CST	TSTM WND DMG	3 Sse El Dorado Springs, MO	NUMEROUS TREES BLOWN DOWN.AT LEAST ONE TREE ON TO A HOUSE IN EL DORADO SPRINGS. A TRAILER WAS TOPPLED OVER. SEVERAL OUTBUILDINGS AND BARNS DESTROYED NEAR HIGHWAY U. PICTURES FROM SOCIAL MEDIA AND TIME ESTIMATED.

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
Mar 6, 6:51 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.4 hours before the alert went out and 125 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: 629 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1110 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 542 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

As transmitted.

234 
WFUS53 KSGF 070321
TORSGF
MOC039-185-217-070345-
/O.NEW.KSGF.TO.W.0004.170307T0321Z-170307T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
921 PM CST MON MAR 6 2017

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northwestern Cedar County in southwestern Missouri...
  Northeastern Vernon County in west central Missouri...
  Southwestern St. Clair County in west central Missouri...

* Until 945 PM CST
    
* At 921 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Nevada, moving east at 65 mph.

  HAZARD...Tornado and quarter 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...
  Nevada...                         El Dorado Springs...
  Walker...                         Schell City...
  Milo...                           Harwood...
  Tiffin...                         Taberville...

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 3784 9388 3774 9436 3792 9440 3805 9424
      3802 9424 3805 9421 3804 9419 3806 9415
      3806 9413 3804 9411 3805 9410 3803 9406
      3819 9405
TIME...MOT...LOC 0321Z 258DEG 57KT 3785 9429 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Frye

2 follow-up statements

140 
WWUS53 KSGF 070331
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
931 PM CST MON MAR 6 2017

MOC039-185-217-070345-
/O.CON.KSGF.TO.W.0004.000000T0000Z-170307T0345Z/
Cedar MO-Vernon MO-St. Clair MO-
931 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR
NORTHWESTERN CEDAR...NORTHEASTERN VERNON AND SOUTHWESTERN ST. CLAIR
COUNTIES...
    
At 931 PM CST, a severe thunderstorm capable of producing a tornado
was located near El Dorado Springs, moving east at 65 mph.

HAZARD...Tornado and quarter 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...
El Dorado Springs...              Walker...
Schell City...                    Harwood...
Taberville...                     

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 3785 9389 3783 9419 3794 9435 3805 9424
      3802 9424 3805 9421 3804 9419 3806 9415
      3806 9413 3804 9411 3805 9410 3803 9406
      3819 9405
TIME...MOT...LOC 0331Z 253DEG 57KT 3793 9410 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Frye

844 
WWUS53 KSGF 070344
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
944 PM CST MON MAR 6 2017

MOC039-185-217-070354-
/O.EXP.KSGF.TO.W.0004.000000T0000Z-170307T0345Z/
Cedar MO-Vernon MO-St. Clair MO-
944 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR NORTHWESTERN CEDAR...NORTHEASTERN VERNON
AND SOUTHWESTERN ST. CLAIR COUNTIES WILL EXPIRE AT 945 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 300 AM CST for southwestern
and west central Missouri.

LAT...LON 3785 9389 3783 9419 3794 9435 3805 9424
      3802 9424 3805 9421 3804 9419 3806 9415
      3806 9413 3804 9411 3805 9410 3803 9406
      3819 9405
TIME...MOT...LOC 0344Z 258DEG 57KT 3797 9388 

$$

Frye

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 8:51 PM CST	Severe Thunderstorm Warning	SGF	Vernon	39 min
Mar 6, 9:07 PM CST	Severe Thunderstorm Warning	SGF	Barton, Vernon	53 min
Mar 6, 9:09 PM CST	Special Weather Statement	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 4 more	81 min
Mar 6, 9:16 PM CST	Severe Thunderstorm Warning	SGF	Barton, Jasper	59 min
Mar 6, 9:19 PM CST	Severe Thunderstorm Warning	SGF	Benton, Hickory, St. Clair	56 min
Mar 6, 9:35 PM CST	Severe Thunderstorm Warning	SGF	Cedar	55 min
Mar 6, 9:40 PM CST	Special Weather Statement	SGF	Douglas, Howell, Ozark, Stone, Taney	65 min
Mar 6, 9:40 PM CST	Tornado Warning	SGF	St. Clair	19 min
Mar 6, 9:43 PM CST	Severe Thunderstorm Warning	SGF	Morgan	62 min
Mar 6, 10:00 PM CST	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Greene, Jasper, Lawrence and 3 more	60 min
Mar 6, 10:11 PM CST	Severe Thunderstorm Warning	SGF	Benton, Camden, Dallas, Hickory, Laclede, Miller and 2 more	64 min
Mar 6, 10:14 PM CST	Severe Thunderstorm Warning	SGF	Barry, Lawrence, McDonald, Newton	61 min
Mar 6, 10:19 PM CST	Severe Thunderstorm Warning	SGF	Christian, Dallas, Greene, Laclede, Lawrence, Polk and 1 more	56 min
Mar 6, 10:29 PM CST	Tornado Warning	SGF	Camden, Miller, Morgan	31 min
Mar 6, 10:41 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, McDonald, Stone	64 min
Mar 6, 10:49 PM CST	Tornado Warning	SGF	Dallas, Laclede	41 min
Mar 6, 10:50 PM CST	Tornado Warning	SGF	Camden, Miller, Pulaski	40 min
Mar 6, 11:02 PM CST	Severe Thunderstorm Warning	SGF	Christian, Dallas, Douglas, Greene, Laclede, Pulaski and 3 more	58 min
Mar 6, 11:09 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Douglas, Stone, Taney	66 min
Mar 6, 11:12 PM CST	Severe Thunderstorm Warning	SGF	Camden, Laclede, Maries, Miller, Phelps, Pulaski	63 min
Mar 6, 11:13 PM CST	Severe Thunderstorm Warning	SGF	Ozark, Taney	47 min
Mar 6, 11:41 PM CST	Tornado Warning	SGF	Maries, Phelps	34 min
Mar 6, 11:43 PM CST	Tornado Warning	SGF	Douglas, Howell, Ozark	47 min
Mar 6, 11:51 PM CST	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney	54 min
Mar 6, 11:58 PM CST	Severe Thunderstorm Warning	SGF	Christian, Laclede, Pulaski, Texas, Webster, Wright	62 min
Mar 7, 12:12 AM CST	Severe Thunderstorm Warning	SGF	Dent	63 min
Mar 7, 12:19 AM CST	Tornado Warning	SGF	Howell	41 min
Mar 7, 12:34 AM CST	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark, Taney	56 min
Mar 7, 12:41 AM CST	Tornado Warning	SGF	Oregon, Shannon	49 min
Mar 7, 1:23 AM CST	Special Weather Statement	SGF	Howell, Oregon	52 min
Mar 7, 2:14 AM CST	Severe Thunderstorm Warning	SGF	Oregon	13 min
Mar 7, 2:10 PM CST	Fire Weather Watch	SGF	Barton, Benton, Cedar, Dade, Hickory, Jasper and 5 more	13 hr

Nearby

Tornado Warnings in Missouri, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.