Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 16, NWS Amarillo, TX

May 16, 2017Gray County, Wheeler County, Texas

NWS Amarillo, TX issued this tornado warning at May 16, 2017, 5:17 PM CDT for Gray County, Wheeler County, Texas. It was in force for 43 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, 5:17 PM CDT (22:17 UTC)
Expired: May 16, 2017, 6:00 PM CDT
In force: 43 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Gray County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 108 km from the middle of the area, began a volume at 22:17 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, 5:34 PM CDT	HAIL 1.75	6 W Wheeler, 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, 10.3 hours before the alert went out and 107 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.

219 
WFUS54 KAMA 162217
TORAMA
TXC179-483-162300-
/O.NEW.KAMA.TO.W.0016.170516T2217Z-170516T2300Z/

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

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  West central Wheeler County in the Panhandle of Texas...
  Southeastern Gray County in the Panhandle of Texas...

* Until 600 PM CDT
    
* At 517 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles northeast of Mclean, or 18 miles west of
  Shamrock, moving northeast at 35 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. 

* Locations impacted include...
  Mclean and Kellerville. 

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 3521 10057 3526 10067 3553 10051 3542 10034
      3527 10048
TIME...MOT...LOC 2217Z 217DEG 30KT 3529 10057 

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

$$

Guerrero

1 follow-up statement

847 
WWUS54 KAMA 162238
SVSAMA

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

TXC179-162248-
/O.CAN.KAMA.TO.W.0016.000000T0000Z-170516T2300Z/
Gray TX-
538 PM CDT TUE MAY 16 2017

...THE TORNADO WARNING FOR SOUTHEASTERN GRAY COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area and therefore the warning has been cancelled.

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

LAT...LON 3536 10053 3553 10051 3542 10034 3529 10048
TIME...MOT...LOC 2238Z 217DEG 30KT 3543 10044 

$$

TXC483-162300-
/O.CON.KAMA.TO.W.0016.000000T0000Z-170516T2300Z/
Wheeler TX-
538 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR WEST
CENTRAL WHEELER COUNTY...
    
At 538 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles northeast of Kellerville, or 18 miles northwest
of Shamrock, moving northeast at 35 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. 

Locations impacted include...
Kellerville.

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 3536 10053 3553 10051 3542 10034 3529 10048
TIME...MOT...LOC 2238Z 217DEG 30KT 3543 10044 

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

$$

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, 5:24 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
May 16, 5:52 PM CDT	Tornado Warning Tornado observed	AMA	Wheeler	38 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.