Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 19, NWS Amarillo, TX

May 16, 2017Wheeler County, Texas

NWS Amarillo, TX issued this tornado warning at May 16, 2017, 5:52 PM CDT for Wheeler County, Texas. It was in force for 38 min. 1 report 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: May 16, 2017, 5:52 PM CDT (22:52 UTC)
Expired: May 16, 2017, 6:30 PM CDT
In force: 38 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Observed
Hail: 1.75 in

County Wheeler County, TX

The radar

The Amarillo radar (KAMA), 149 km from the middle of the area, began a volume at 22:51 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
May 16, 6:09 PM CDT	HAIL 2.5	4 Se Allison, TX

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
May 16, 1:54 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.9 hours before the alert went out and 148 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: 837 J/kg
Mixed-layer CIN: -240 J/kg
Mixed-layer LCL: 1292 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

525 
WFUS54 KAMA 162252
TORAMA
TXC483-162330-
/O.NEW.KAMA.TO.W.0019.170516T2252Z-170516T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
552 PM CDT TUE MAY 16 2017

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Northeastern Wheeler County in the Panhandle of Texas...

* Until 630 PM CDT

* At 552 PM CDT, a confirmed tornado was located 7 miles south of
  Allison, or 22 miles northeast of Shamrock, moving northeast at 45
  mph.

  HAZARD...Damaging tornado and golf ball size hail. 

  SOURCE...NWS employee confirmed tornado. 

  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
  northeastern Wheeler County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3539 10018 3555 10020 3562 10005 3562 10000
      3542 10000
TIME...MOT...LOC 2252Z 244DEG 38KT 3551 10007 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Guerrero

1 follow-up statement

735 
WWUS54 KAMA 162321
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
621 PM CDT TUE MAY 16 2017

TXC483-162331-
/O.EXP.KAMA.TO.W.0019.000000T0000Z-170516T2330Z/
Wheeler TX-
621 PM CDT TUE MAY 16 2017

...THE TORNADO WARNING FOR NORTHEASTERN WHEELER COUNTY WILL EXPIRE AT
630 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 1000 PM CDT for the Panhandle
of Texas.

LAT...LON 3539 10018 3555 10020 3562 10005 3562 10000
      3542 10000
TIME...MOT...LOC 2321Z 244DEG 38KT 3564 9974 

$$

Guerrero

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:12 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson, Moore	48 min
May 15, 7:22 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Sherman	53 min
May 15, 7:54 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree	66 min
May 15, 7:58 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Sherman	77 min
May 15, 8:31 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	59 min
May 15, 8:53 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	52 min
May 15, 9:44 PM CDT	Special Weather Statement	AMA	Ochiltree	46 min
May 16, 1:26 PM CDT	Special Weather Statement	AMA	Ochiltree	34 min
May 16, 1:42 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	63 min
May 16, 1:52 PM CDT	Special Weather Statement	AMA	Hansford	23 min
May 16, 2:01 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Ochiltree	44 min
May 16, 2:44 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	61 min
May 16, 3:06 PM CDT	Special Weather Statement	AMA	Donley	39 min
May 16, 3:16 PM CDT	Tornado Warning	AMA	Ochiltree	44 min
May 16, 3:17 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	58 min
May 16, 3:19 PM CDT	Special Weather Statement	AMA	Roberts	41 min
May 16, 3:35 PM CDT	Tornado Warning	AMA	Donley, Gray	25 min
May 16, 3:38 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Donley	37 min
May 16, 3:49 PM CDT	Tornado Warning	AMA	Donley	26 min
May 16, 4:07 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Roberts	27 min
May 16, 4:11 PM CDT	Tornado Warning	AMA	Collingsworth, Donley, Gray, Wheeler	49 min
May 16, 4:31 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	59 min
May 16, 4:34 PM CDT	Special Weather Statement	AMA	Ochiltree	26 min
May 16, 4:37 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Wheeler	68 min
May 16, 4:49 PM CDT	Tornado Warning	AMA	Gray, Wheeler	41 min
May 16, 4:55 PM CDT	Tornado Warning	AMA	Collingsworth	35 min
May 16, 5:17 PM CDT	Tornado Warning	AMA	Gray, Wheeler	43 min
May 16, 5:24 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	43 min
May 16, 5:24 PM CDT	Tornado Warning	AMA	Wheeler	51 min
May 16, 5:30 PM CDT	Tornado Warning	AMA	Collingsworth	45 min
May 16, 5:46 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	59 min

Nearby

Tornado Warnings in Texas, 2017 Every tornado warning in 2017 Tornadoes 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.