Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 13, NWS Amarillo, TX

May 16, 2016Hemphill County, Texas

NWS Amarillo, TX issued this tornado warning at May 16, 2016, 9:29 PM CDT for Hemphill County, Texas. It was in force for 16 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: May 16, 2016, 9:29 PM CDT (02:29 UTC)
Expired: May 16, 2016, 9:45 PM CDT
In force: 16 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Hemphill County, TX

The radar

The Amarillo radar (KAMA), 162 km from the middle of the area, began a volume at 02:31 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
May 16, 2:29 PM CDT	Severe Thunderstorm Watch	SPC	11 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.5 hours before the alert went out and 162 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: 1214 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1620 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 240 m²/s²
0-3 km storm-relative helicity: 349 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 16.5

Open this sounding in Storm Lab

The text

As transmitted.

011 
WFUS54 KAMA 170229
TORAMA
TXC211-170245-
/O.NEW.KAMA.TO.W.0013.160517T0229Z-160517T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
929 PM CDT MON MAY 16 2016

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL HEMPHILL COUNTY IN THE PANHANDLE OF TEXAS...

* UNTIL 945 PM CDT
    
* AT 929 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED 6 MILES WEST OF DURHAM...OR 20 MILES EAST OF CANADIAN...
  MOVING EAST AT 45 MPH.

  HAZARD...TORNADO AND GOLF 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. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  EAST CENTRAL HEMPHILL COUNTY.

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 3581 10017 3596 10009 3595 10000 3575 10000
TIME...MOT...LOC 0229Z 283DEG 37KT 3586 10003 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

BRB

1 follow-up statement

578 
WWUS54 KAMA 170246
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
946 PM CDT MON MAY 16 2016

TXC211-170256-
/O.EXP.KAMA.TO.W.0013.000000T0000Z-160517T0245Z/
HEMPHILL TX-
946 PM CDT MON MAY 16 2016

...THE TORNADO WARNING FOR EAST CENTRAL HEMPHILL COUNTY HAS
EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT.

LAT...LON 3581 10017 3596 10009 3595 10000 3575 10000
TIME...MOT...LOC 0245Z 283DEG 37KT 3586 10003 

$$

BRB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Sherman	59 min
May 16, 7:03 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	42 min
May 16, 7:29 PM CDT	Areal Flood Advisory	AMA	Moore	3 hr
May 16, 7:35 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	70 min
May 16, 7:40 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	80 min
May 16, 7:43 PM CDT	Areal Flood Advisory	AMA	Hansford, Hutchinson	3 hr
May 16, 7:49 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	56 min
May 16, 8:18 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	72 min
May 16, 8:21 PM CDT	Areal Flood Advisory	AMA	Ochiltree, Roberts	3 hr
May 16, 8:37 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	53 min
May 16, 8:41 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter	64 min
May 16, 8:56 PM CDT	Tornado Warning Tornado observed	AMA	Hemphill	34 min
May 16, 9:15 PM CDT	Severe Thunderstorm Warning	AMA	Potter	30 min
May 16, 9:20 PM CDT	Areal Flood Advisory	AMA	Hemphill, Lipscomb, Roberts	3 hr
May 16, 9:25 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	80 min
May 16, 9:29 PM CDT	Areal Flood Advisory	AMA	Carson, Gray, Wheeler	3 hr
May 16, 9:44 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	76 min
May 16, 10:24 PM CDT	Areal Flood Advisory	AMA	Armstrong, Donley	3 hr
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Collingsworth, Donley, Gray, Wheeler	73 min
May 16, 11:59 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	36 min

Nearby

Tornado Warnings in Texas, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.