Alert archive / Missouri / Tornado Warnings in 2014

Tornado Warning 14, NWS Springfield, MO

April 13, 2014Cedar County, Polk County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 13, 2014, 6:36 PM CDT for Cedar County, Polk County, Missouri. It was in force for 24 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: Apr 13, 2014, 6:36 PM CDT (23:36 UTC)
Expired: Apr 13, 2014, 7:00 PM CDT
In force: 24 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Cedar County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 61 km from the middle of the area, began a volume at 23:40 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
Apr 13, 6:40 PM CDT	TSTM WND DMG	3 E Stockton, MO	WIND BLOWN OFF BARN.
Apr 13, 6:48 PM CDT	TSTM WND GST 60	Humansville, MO

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
Apr 13, 4:27 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.6 hours before the alert went out and 97 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: 381 J/kg
Mixed-layer CIN: -335 J/kg
Mixed-layer LCL: 883 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 367 m²/s²
0-3 km storm-relative helicity: 378 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

238 
WFUS53 KSGF 132336
TORSGF
MOC039-167-140000-
/O.NEW.KSGF.TO.W.0014.140413T2336Z-140414T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
636 PM CDT SUN APR 13 2014

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CEDAR COUNTY IN SOUTHWEST MISSOURI...
  NORTHWESTERN POLK COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 700 PM CDT

* AT 634 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 11 MILES SOUTHWEST OF HUMANSVILLE...AND MOVING
  EAST AT 40 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...
  ARNICA...BEARCREEK...DUNNEGAN...FLEMINGTON AND HUMANSVILLE.

THIS WARNING ALSO INCLUDES STOCKTON LAKE AND STOCKTON STATE PARK. 

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.

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 3781 9357 3781 9349 3769 9343 3763 9375
      3774 9380 3782 9357
TIME...MOT...LOC 2336Z 250DEG 34KT 3770 9372

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

$$

KARDELL

1 follow-up statement

553 
WWUS53 KSGF 132357
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
657 PM CDT SUN APR 13 2014

MOC039-167-140007-
/O.EXP.KSGF.TO.W.0014.000000T0000Z-140414T0000Z/
CEDAR MO-POLK MO-
657 PM CDT SUN APR 13 2014

...THE TORNADO WARNING FOR NORTHWESTERN POLK AND EAST CENTRAL CEDAR
COUNTIES WILL EXPIRE AT 700 PM CDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
MONDAY MORNING FOR SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

LAT...LON 3781 9357 3781 9349 3769 9343 3763 9375
      3774 9380 3782 9357
TIME...MOT...LOC 2357Z 250DEG 34KT 3777 9348

$$

KARDELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 3:41 AM CDT	Freeze Watch	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	11 hr
Apr 13, 3:07 PM CDT	Freeze Warning	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	42 hr
Apr 13, 5:10 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	50 min
Apr 13, 5:39 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper, Newton	51 min
Apr 13, 5:54 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Cedar, Hickory, Polk, St. Clair, Vernon	66 min
Apr 13, 6:15 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Barton, Cedar, Christian, Dade, Greene and 5 more	60 min
Apr 13, 6:48 PM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald, Newton, Stone	57 min
Apr 13, 6:56 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Camden, Cedar, Dallas, Hickory, Laclede and 3 more	64 min

Nearby

Tornado Warnings in Missouri, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.