Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 26, NWS Springfield, MO

April 4, 2017Ozark County, Taney County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 4, 2017, 9:46 PM CDT for Ozark County, Taney County, Missouri. It was in force for 44 min. 1 report 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 4, 2017, 9:46 PM CDT (02:46 UTC)
Expired
Apr 4, 2017, 10:30 PM CDT
In force
44 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Ozark County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 101 km from the middle of the area, began a volume at 02:50 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

TimeReportWhereRemark
Apr 4, 10:06 PM CDTTSTM WND DMGPontiac, MOBARN DESTROYED IN PONTIAC. TIME ESTIMATED BY RADAR...POSSIBLE TORNADO.

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.

IssuedProductOfficeLasted
Apr 4, 2:31 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 4, 9:12 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.8 hours before the alert went out and 115 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2017-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 326 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2017-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 312 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

509 
WFUS53 KSGF 050246
TORSGF
MOC153-213-050330-
/O.NEW.KSGF.TO.W.0026.170405T0246Z-170405T0330Z/

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

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Ozark County in southwestern Missouri...
  Southeastern Taney County in southwestern Missouri...

* Until 1030 PM CDT
    
* At 946 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Lead Hill, or 14 miles west of Bull Shoals, moving
  northeast at 50 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...
  Bull Shoals Lake...               Gainesville...
  Theodosia...                      Pontiac...
  Sundown...                        Price Place...
  Brixey...                         Noble...
  Willhoit...                       Tecumseh...
  Protem...                         Hardenville...
  Thornfield...                     Sycamore...
  Long Run...                       Isabella...
  Zanoni...                         

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 3662 9284 3674 9269 3679 9252 3675 9229
      3665 9219 3653 9227 3649 9238 3650 9292
TIME...MOT...LOC 0246Z 234DEG 42KT 3641 9285 

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

$$

Cramer
1 follow-up statement
254 
WWUS53 KSGF 050313
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1013 PM CDT TUE APR 4 2017

MOC213-050323-
/O.CAN.KSGF.TO.W.0026.000000T0000Z-170405T0330Z/
Taney MO-
1013 PM CDT TUE APR 4 2017

...THE TORNADO WARNING FOR SOUTHEASTERN TANEY COUNTY 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 3662 9265 3670 9260 3678 9245 3675 9229
      3665 9219 3657 9225 3652 9237 3652 9261
TIME...MOT...LOC 0313Z 235DEG 43KT 3657 9255 

$$

MOC153-050330-
/O.CON.KSGF.TO.W.0026.000000T0000Z-170405T0330Z/
Ozark MO-
1013 PM CDT TUE APR 4 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR CENTRAL
OZARK COUNTY...
    
At 1013 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Price Place, or 13 miles north of Bull Shoals,
moving northeast at 50 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...
Gainesville...                    Sundown...
Hardenville...                    Brixey...
Sycamore...                       Willhoit...
Tecumseh...                       Isabella...
Zanoni...                         

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 3662 9265 3670 9260 3678 9245 3675 9229
      3665 9219 3657 9225 3652 9237 3652 9261
TIME...MOT...LOC 0313Z 235DEG 43KT 3657 9255 

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

$$

Cramer

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 7:14 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence, Newton46 min
Apr 4, 7:16 PM CDTSevere Thunderstorm WarningSGFBarry, McDonald, Newton59 min
Apr 4, 7:42 PM CDTSevere Thunderstorm WarningSGFChristian, Dade, Greene63 min
Apr 4, 8:02 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence, Stone43 min
Apr 4, 8:30 PM CDTSevere Thunderstorm WarningSGFChristian, Dallas, Polk, Webster60 min
Apr 4, 8:54 PM CDTSevere Thunderstorm WarningSGFLaclede, Wright66 min
Apr 4, 9:09 PM CDTSevere Thunderstorm WarningSGFChristian, Stone, Taney51 min
Apr 4, 9:24 PM CDTTornado WarningSGFChristian, Douglas, Taney, Webster, Wright51 min
Apr 4, 9:49 PM CDTSevere Thunderstorm WarningSGFLaclede, Phelps, Pulaski, Texas, Wright41 min
Apr 4, 10:25 PM CDTTornado WarningSGFDouglas, Howell, Ozark50 min
Apr 4, 10:29 PM CDTSevere Thunderstorm WarningSGFDent, Maries, Phelps, Pulaski, Texas61 min
Apr 4, 11:01 PM CDTTornado WarningSGFHowell, Shannon, Texas44 min
Apr 4, 11:41 PM CDTTornado WarningSGFShannon37 min
Apr 4, 11:50 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Shannon37 min
Apr 5, 12:44 AM CDTAreal Flood AdvisorySGFDent, Douglas, Howell, Laclede, Ozark, Phelps and 3 more9 hr
Apr 5, 2:42 AM CDTAreal Flood WarningSGFDent, Phelps, Pulaski, Texas, Wright7 hr
Apr 5, 3:32 AM CDTWind AdvisorySGFBarry, Barton, Benton, Cedar, Christian, Dade and 10 more15 hr
Apr 5, 9:44 AM CDTAreal Flood WarningSGFDent, Douglas, Howell, Laclede, Ozark, Texas and 1 more6 hr
Apr 5, 6:32 PM CDTRiver Flood WarningSGFPulaski13 hr

Nearby

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