Alert archive / Texas / Tornado Warnings in 2014

Tornado Warning 13, NWS Amarillo, TX

July 16, 2014Dallam County, Sherman County, Texas

NWS Amarillo, TX issued this tornado warning at Jul 16, 2014, 7:29 PM CDT for Dallam County, Sherman County, Texas. It was in force for 46 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: Jul 16, 2014, 7:29 PM CDT (00:29 UTC)
Expired: Jul 16, 2014, 8:15 PM CDT
In force: 46 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Dallam County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 112 km from the middle of the area, began a volume at 00:29 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
Jul 16, 3:36 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.5 hours before the alert went out and 113 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: 1693 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1142 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 17.0

Open this sounding in Storm Lab

The text

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

253 
WFUS54 KAMA 170029
TORAMA
TXC111-421-170115-
/O.NEW.KAMA.TO.W.0013.140717T0029Z-140717T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
729 PM CDT WED JUL 16 2014

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN SHERMAN COUNTY IN THE PANHANDLE OF TEXAS...
  EXTREME SOUTHEASTERN DALLAM COUNTY IN THE PANHANDLE OF TEXAS...

* UNTIL 815 PM CDT

* AT 725 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.
  DOPPLER RADAR ALSO INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO.  THIS DEVELOPING TORNADO WAS LOCATED 5 MILES
  SOUTHEAST OF STRATFORD. DOPPLER RADAR SHOWED THIS SEVERE STORM
  MOVING SOUTH AT 15 MPH.

  AT 722 PM...A FUNNEL CLOUD WAS REPORTED 3 MILES SOUTH OF STRATFORD. 

* LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN DALLAM AND SOUTHWESTERN
  SHERMAN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO MAY FORM AT ANY TIME...TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

&&

LAT...LON 3629 10216 3629 10194 3606 10190 3605 10220
TIME...MOT...LOC 0029Z 011DEG 15KT 3626 10202

$$

JACKSON

1 follow-up statement

909 
WWUS54 KAMA 170047
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
747 PM CDT WED JUL 16 2014

TXC111-421-170115-
/O.CON.KAMA.TO.W.0013.000000T0000Z-140717T0115Z/
DALLAM TX-SHERMAN TX-
747 PM CDT WED JUL 16 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN SHERMAN AND
EXTREME SOUTHEASTERN DALLAM COUNTIES UNTIL 815 PM CDT...

AT 744 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS 
DANGEROUS STORM WAS LOCATED OVER HIGHWAY 287 8 MILES SOUTH OF 
STRATFORD...OR 13 MILES NORTH OF CACTUS...MOVING SOUTH AT 15 MPH. IN 
ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE 
DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS.

* LOCATIONS IN OR NEAR THE PATH OF THIS DANGEROUS STORM INCLUDE...  
HIGHWAY 287 BETWEEN CACTUS AND STRATFORD...AND MAINLY RURAL AREAS OF 
EXTREME SOUTHEASTERN DALLAM AND SOUTHWESTERN SHERMAN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3629 10216 3629 10194 3606 10190 3605 10220
TIME...MOT...LOC 0046Z 005DEG 11KT 3622 10204

$$

LINDLEY

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 16, 7:00 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	60 min
Jul 16, 7:04 PM CDT	Tornado Warning	AMA	Sherman	26 min
Jul 16, 7:54 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Hutchinson, Moore, Sherman	66 min
Jul 16, 8:09 PM CDT	Areal Flood Advisory	AMA	Dallam, Hartley, Moore, Sherman	3 hr
Jul 16, 8:27 PM CDT	Tornado Warning	AMA	Hartley, Moore	48 min
Jul 16, 8:34 PM CDT	Special Weather Statement	AMA	Oldham	41 min
Jul 16, 8:47 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	73 min
Jul 16, 9:01 PM CDT	Tornado Warning	AMA	Oldham, Potter	15 min
Jul 16, 9:27 PM CDT	Special Weather Statement	AMA	Hutchinson, Potter	48 min
Jul 16, 9:33 PM CDT	Areal Flood Advisory	AMA	Carson, Gray, Hutchinson, Roberts	3 hr
Jul 16, 9:43 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Randall	92 min
Jul 16, 9:45 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr
Jul 16, 10:19 PM CDT	Flash Flood Warning	AMA	Potter, Randall	4 hr
Jul 16, 10:27 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	34 min
Jul 16, 10:35 PM CDT	Areal Flood Advisory	AMA	Deaf Smith, Oldham	4 hr
Jul 16, 10:40 PM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley, Gray, Hemphill, Lipscomb, Ochiltree and 2 more	3 hr
Jul 16, 10:55 PM CDT	Areal Flood Advisory	AMA	Armstrong, Carson, Donley, Gray	3 hr
Jul 16, 11:48 PM CDT	Flash Flood Warning	AMA	Randall	3 hr
Jul 17, 3:16 AM CDT	Areal Flood Advisory	AMA	Randall	3 hr

Nearby

Tornado Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.