Alert archive / Missouri / Tornado Warnings in 2013

Tornado Warning 10, NWS Springfield, MO

April 18, 2013Taney County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 18, 2013, 6:26 AM CDT for Taney County, Missouri. It was in force for 34 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 18, 2013, 6:26 AM CDT (11:26 UTC)
Expired: Apr 18, 2013, 7:00 AM CDT
In force: 34 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Taney County, MO

The radar

The Springfield radar (KSGF), 81 km from the middle of the area, began a volume at 11:27 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 11.4 hours before the alert went out and 80 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: 1964 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1350 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 9.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

077 
WFUS53 KSGF 181126
TORSGF
MOC213-181200-
/O.NEW.KSGF.TO.W.0010.130418T1126Z-130418T1200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
626 AM CDT THU APR 18 2013

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN TANEY COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 700 AM CDT

* AT 622 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER NORTHERN BOONE COUNTY...AND MOVING
  NORTHEAST AT 45 MPH.

  HAZARD...DEVELOPING TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  PROTEM AND RUETER.

THIS WARNING ALSO INCLUDES BULL SHOALS LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3651 9319 3673 9297 3681 9277 3654 9277
      3649 9289 3649 9316
TIME...MOT...LOC 1126Z 225DEG 37KT 3652 9303

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

$$

BOXELL

2 follow-up statements

778 
WWUS53 KSGF 181145
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
645 AM CDT THU APR 18 2013

MOC213-181200-
/O.CON.KSGF.TO.W.0010.000000T0000Z-130418T1200Z/
TANEY MO-
645 AM CDT THU APR 18 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TANEY COUNTY
UNTIL 700 AM CDT...

AT 641 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER EAST CENTRAL TANEY COUNTY...AND MOVING NORTHEAST AT
45 MPH.

HAZARD...DEVELOPING TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
PROTEM AND RUETER.

THIS WARNING ALSO INCLUDES BULL SHOALS LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3668 9295 3674 9277 3654 9277 3649 9289
      3649 9297
TIME...MOT...LOC 1146Z 225DEG 37KT 3666 9285

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

$$

BOXELL

512 
WWUS53 KSGF 181150
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
650 AM CDT THU APR 18 2013

MOC213-181201-
/O.EXP.KSGF.TO.W.0010.000000T0000Z-130418T1200Z/
TANEY MO-
650 AM CDT THU APR 18 2013

...THE TORNADO WARNING FOR SOUTHEASTERN TANEY COUNTY WILL EXPIRE AT
700 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

LAT...LON 3668 9295 3674 9277 3654 9277 3649 9289
      3649 9297
TIME...MOT...LOC 1151Z 225DEG 37KT 3669 9280

$$

BOXELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 18, 1:24 AM CDT	Tornado Warning	SGF	McDonald, Newton	36 min
Apr 18, 1:42 AM CDT	Tornado Warning	SGF	Jasper	48 min
Apr 18, 1:58 AM CDT	Tornado Warning	SGF	McDonald, Newton	47 min
Apr 18, 2:18 AM CDT	Tornado Warning	SGF	Barry, Dade, Lawrence	42 min
Apr 18, 2:26 AM CDT	Flash Flood Warning	SGF	Barton, Jasper, McDonald, Newton	7 hr
Apr 18, 2:48 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Polk	57 min
Apr 18, 3:58 AM CDT	River Flood Warning	SGF	Pulaski	3 days
Apr 18, 5:05 AM CDT	Flash Flood Warning	SGF	Barry	4 hr
Apr 18, 5:48 AM CDT	Severe Thunderstorm Warning	SGF	Dent	42 min
Apr 18, 6:07 AM CDT	Flash Flood Warning	SGF	Christian, Douglas, Stone, Taney	6 hr
Apr 18, 6:33 AM CDT	Special Weather Statement	SGF	Douglas	27 min
Apr 18, 7:08 AM CDT	Tornado Warning	SGF	Taney	37 min
Apr 18, 7:44 AM CDT	Tornado Warning	SGF	Christian, Douglas, Taney	31 min
Apr 18, 7:55 AM CDT	Areal Flood Warning	SGF	Benton, Camden, Hickory, Miller, Morgan, St. Clair	10 hr
Apr 18, 7:59 AM CDT	Areal Flood Warning	SGF	Cedar, Dade, Dallas, Hickory, Lawrence, Polk and 1 more	10 hr
Apr 18, 8:35 AM CDT	Tornado Warning	SGF	Douglas, Ozark	25 min
Apr 18, 8:40 AM CDT	Flash Flood Warning	SGF	Douglas, Ozark, Taney	3 hr
Apr 18, 8:59 AM CDT	Areal Flood Warning	SGF	Barry, Barton, Jasper, McDonald, Newton, Vernon	6 hr
Apr 18, 9:24 AM CDT	Flash Flood Warning	SGF	Texas, Wright	3 hr
Apr 18, 9:35 AM CDT	River Flood Warning	SGF	Phelps	65 hr
Apr 18, 9:43 AM CDT	Tornado Warning	SGF	Howell, Oregon	32 min
Apr 18, 10:27 AM CDT	Severe Thunderstorm Warning	SGF	Oregon, Shannon	33 min
Apr 18, 11:09 AM CDT	Flash Flood Warning	SGF	Dent, Howell, Shannon, Texas	6 hr
Apr 18, 11:53 AM CDT	Areal Flood Warning	SGF	Christian, Douglas, Ozark, Stone, Taney, Texas and 1 more	6 hr
Apr 18, 2:23 PM CDT	River Flood Warning	SGF	McDonald	46 hr
Apr 18, 2:56 PM CDT	Areal Flood Warning	SGF	Barry, Barton, Jasper, McDonald, Newton	21 hr
Apr 18, 3:09 PM CDT	Areal Flood Warning	SGF	Camden, Dent, Laclede, Maries, Miller, Phelps and 1 more	3 hr
Apr 18, 5:02 PM CDT	Areal Flood Warning	SGF	Dent, Maries, Phelps, Pulaski, Shannon, Texas	18 hr
Apr 18, 5:08 PM CDT	River Flood Warning	SGF	Shannon	25 hr
Apr 18, 5:45 PM CDT	Areal Flood Warning	SGF	Christian, Douglas, Ozark, Stone, Taney, Wright	18 hr

Nearby

Tornado Warnings in Missouri, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.