Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 25, NWS Springfield, MO

April 4, 20175 counties in Missouri

NWS Springfield, MO issued this tornado warning at Apr 4, 2017, 9:24 PM CDT for 5 counties in Missouri. It was in force for 51 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: Apr 4, 2017, 9:24 PM CDT (02:24 UTC)
Expired: Apr 4, 2017, 10:15 PM CDT
In force: 51 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Christian County, MO, Douglas County, MO, Taney County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 64 km from the middle of the area, began a volume at 02:23 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
Apr 4, 2:31 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Apr 4, 9:12 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.4 hours before the alert went out and 89 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: 326 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1384 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 312 m²/s²
0-3 km storm-relative helicity: 743 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 12.5

Open this sounding in Storm Lab

The text

As transmitted.

071 
WFUS53 KSGF 050224
TORSGF
MOC043-067-213-225-229-050315-
/O.NEW.KSGF.TO.W.0025.170405T0224Z-170405T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
924 PM CDT TUE APR 4 2017

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Southeastern Webster County in southwestern Missouri...
  Western Douglas County in southwestern Missouri...
  Southwestern Wright County in southwestern Missouri...
  Southeastern Christian County in southwestern Missouri...
  Northeastern Taney County in southwestern Missouri...

* Until 1015 PM CDT
    
* At 924 PM CDT, severe thunderstorms capable of producing a tornado
  were located along a line extending from 10 miles south of Sparta
  to near Taneyville, 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...
  Ava...                            Seymour...
  Mansfield...                      Norwood...
  Brownbranch...                    Elkhead...
  Keltner...                        Garrison...
  Rome...                           Chadwick...
  Bradleyville...                   Goodhope...
  Dogwood...                        

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.

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3676 9308 3687 9310 3697 9304 3710 9285
      3722 9263 3725 9247 3710 9237 3694 9255
      3682 9272 3681 9276 3679 9277 3677 9281
      3674 9298
TIME...MOT...LOC 0224Z 230DEG 48KT 3685 9306 3674 9300 

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

$$

Cramer

2 follow-up statements

333 
WWUS53 KSGF 050252
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
952 PM CDT TUE APR 4 2017

MOC043-213-225-050302-
/O.CAN.KSGF.TO.W.0025.000000T0000Z-170405T0315Z/
Webster MO-Christian MO-Taney MO-
952 PM CDT TUE APR 4 2017

...THE TORNADO WARNING FOR SOUTHEASTERN WEBSTER...SOUTHEASTERN
CHRISTIAN AND NORTHEASTERN TANEY COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area.  Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 300 AM CDT for
southwestern Missouri.

LAT...LON 3697 9277 3703 9278 3707 9276 3707 9268
      3717 9268 3722 9263 3725 9247 3710 9237
      3697 9260 3696 9268
TIME...MOT...LOC 0252Z 229DEG 59KT 3708 9260 

$$

MOC067-229-050315-
/O.CON.KSGF.TO.W.0025.000000T0000Z-170405T0315Z/
Douglas MO-Wright MO-
952 PM CDT TUE APR 4 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
NORTHWESTERN DOUGLAS AND SOUTHWESTERN WRIGHT COUNTIES...
    
At 952 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Mansfield, or 9 miles north of Ava, moving northeast
at 70 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...
Ava...                            Mansfield...
Norwood...                        

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3697 9277 3703 9278 3707 9276 3707 9268
      3717 9268 3722 9263 3725 9247 3710 9237
      3697 9260 3696 9268
TIME...MOT...LOC 0252Z 229DEG 59KT 3708 9260 

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

$$

Cramer

074 
WWUS53 KSGF 050309
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1009 PM CDT TUE APR 4 2017

MOC067-229-050319-
/O.EXP.KSGF.TO.W.0025.000000T0000Z-170405T0315Z/
Douglas MO-Wright MO-
1009 PM CDT TUE APR 4 2017

...THE TORNADO WARNING FOR NORTHWESTERN DOUGLAS AND SOUTHWESTERN
WRIGHT COUNTIES WILL EXPIRE AT 1015 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 300 AM CDT for
southwestern Missouri.

LAT...LON 3697 9277 3703 9278 3707 9276 3707 9268
      3717 9268 3722 9263 3725 9247 3710 9237
      3697 9260 3696 9268
TIME...MOT...LOC 0309Z 230DEG 48KT 3722 9239 

$$

Cramer

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 7:14 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Newton	46 min
Apr 4, 7:16 PM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald, Newton	59 min
Apr 4, 7:42 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dade, Greene	63 min
Apr 4, 8:02 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Stone	43 min
Apr 4, 8:30 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dallas, Polk, Webster	60 min
Apr 4, 8:54 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	66 min
Apr 4, 9:09 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone, Taney	51 min
Apr 4, 9:46 PM CDT	Tornado Warning	SGF	Ozark, Taney	44 min
Apr 4, 9:49 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Phelps, Pulaski, Texas, Wright	41 min
Apr 4, 10:25 PM CDT	Tornado Warning	SGF	Douglas, Howell, Ozark	50 min
Apr 4, 10:29 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps, Pulaski, Texas	61 min
Apr 4, 11:01 PM CDT	Tornado Warning	SGF	Howell, Shannon, Texas	44 min
Apr 4, 11:41 PM CDT	Tornado Warning	SGF	Shannon	37 min
Apr 4, 11:50 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	37 min
Apr 5, 12:44 AM CDT	Areal Flood Advisory	SGF	Dent, Douglas, Howell, Laclede, Ozark, Phelps and 3 more	9 hr
Apr 5, 2:42 AM CDT	Areal Flood Warning	SGF	Dent, Phelps, Pulaski, Texas, Wright	7 hr
Apr 5, 3:32 AM CDT	Wind Advisory	SGF	Barry, Barton, Benton, Cedar, Christian, Dade and 10 more	15 hr
Apr 5, 9:44 AM CDT	Areal Flood Warning	SGF	Dent, Douglas, Howell, Laclede, Ozark, Texas and 1 more	6 hr
Apr 5, 6:32 PM CDT	River Flood Warning	SGF	Pulaski	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.