Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 21, NWS Springfield, MO

March 9, 2017Stone County, Taney County, Missouri

NWS Springfield, MO issued this tornado warning at Mar 9, 2017, 7:43 PM CST for Stone County, Taney County, Missouri. It was in force for 18 min. 2 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 9, 2017, 7:43 PM CST (01:43 UTC)
Expired
Mar 9, 2017, 8:01 PM CST
In force
18 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Stone County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 80 km from the middle of the area, began a volume at 01:46 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
Mar 9, 7:45 PM CSTHAIL 1.5Ridgedale, MOHAIL PICTURE ON SOCIAL MEDIA NEAR TOP OF THE ROCK. TIME WAS ESTIMATED.
Mar 9, 7:48 PM CSTHAIL 12 Nw Ridgedale, MOQUARTER SIZED HAIL HWY 65 AND HWY 86....QUARTER SIZED HAIL...RELAY FROM STONE COUNTY 911.

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
Mar 9, 11:10 AM CSTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 1.7 hours before the alert went out and 343 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, Topeka, KS at 00:00Z on 2017-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Topeka, KS at 00:00Z on 2017-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2331 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

296 
WFUS53 KSGF 100143
TORSGF
MOC209-213-100230-
/O.NEW.KSGF.TO.W.0021.170310T0143Z-170310T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
743 PM CST THU MAR 9 2017

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Southwestern Taney County in southwestern Missouri...
  Southeastern Stone County in southwestern Missouri...

* Until 830 PM CST
    
* At 743 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Roberson Hollow, or 9 miles southeast of
  Kimberling City, moving southeast at 35 mph.

  HAZARD...Tornado and ping pong 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...
  Table Rock Lake...                Blue Eye...
  Ridgedale...                      

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 3650 9340 3658 9336 3650 9313
TIME...MOT...LOC 0143Z 305DEG 22KT 3652 9333 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Foster
1 follow-up statement
328 
WWUS53 KSGF 100201
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
801 PM CST THU MAR 9 2017

MOC209-213-100211-
/O.CAN.KSGF.TO.W.0021.000000T0000Z-170310T0230Z/
Taney MO-Stone MO-
801 PM CST THU MAR 9 2017

...THE TORNADO WARNING FOR SOUTHWESTERN TANEY AND SOUTHEASTERN STONE
COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled. 
However small hail is still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 900 PM CST for
southwestern Missouri.

LAT...LON 3650 9340 3658 9336 3650 9313
TIME...MOT...LOC 0159Z 305DEG 22KT 3646 9322 

$$

Foster

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 6:03 PM CSTTornado WarningSGFBarry, Christian, Lawrence, Stone27 min
Mar 9, 6:07 PM CSTTornado WarningSGFBarry, Lawrence, Newton53 min
Mar 9, 6:25 PM CSTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark50 min
Mar 9, 6:28 PM CSTTornado WarningSGFBarry, Christian, Stone, Taney47 min
Mar 9, 6:38 PM CSTSevere Thunderstorm WarningSGFJasper, Lawrence, Newton52 min
Mar 9, 6:42 PM CSTTornado WarningSGFBarry48 min
Mar 9, 6:53 PM CSTSevere Thunderstorm WarningSGFHowell, Oregon52 min
Mar 9, 6:56 PM CSTTornado WarningSGFStone, Taney49 min
Mar 9, 7:05 PM CSTSevere Thunderstorm WarningSGFMcDonald, Newton55 min
Mar 9, 7:10 PM CSTSevere Thunderstorm WarningSGFHowell37 min
Mar 9, 7:12 PM CSTTornado WarningSGFBarry, Stone48 min
Mar 9, 7:24 PM CSTSpecial Weather StatementSGFChristian21 min
Mar 9, 7:31 PM CSTSevere Thunderstorm WarningSGFBarry, McDonald, Newton59 min
Mar 9, 7:41 PM CSTSevere Thunderstorm WarningSGFOzark, Taney28 min

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.