Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 13, NWS Amarillo, TX

May 16, 20174 counties in Texas

NWS Amarillo, TX issued this tornado warning at May 16, 2017, 4:11 PM CDT for 4 counties in Texas. It was in force for 49 min. 11 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: May 16, 2017, 4:11 PM CDT (21:11 UTC)
Expired: May 16, 2017, 5:00 PM CDT
In force: 49 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Collingsworth County, TX, Donley County, TX, Gray County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 21:11 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, 4:13 PM CDT	HAIL 1.5	3 N Howardwick, TX
May 16, 4:29 PM CDT	HAIL 1.5	3 Ssw Mclean, TX
May 16, 4:29 PM CDT	HAIL 2	7 S Alanreed, TX
May 16, 4:30 PM CDT	HAIL 2	7 S Alanreed, TX
May 16, 4:34 PM CDT	HAIL 2	3 Ssw Mclean, TX
May 16, 4:36 PM CDT	HAIL 1	Mclean, TX
May 16, 4:36 PM CDT	HAIL 2.5	3 Ssw Mclean, TX
May 16, 4:39 PM CDT	TORNADO	6 Ssw Mclean, TX	TORNADO ON THE GROUND AS OBSERVED BY NWS EMPLOYEE.
May 16, 4:45 PM CDT	HAIL 3	3 S Mclean, TX
May 16, 4:50 PM CDT	HAIL 1.75	2 Ese Mclean, TX
May 16, 4:53 PM CDT	TORNADO	6 E Mclean, 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, 9.2 hours before the alert went out and 86 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.

153 
WFUS54 KAMA 162111
TORAMA
TXC087-129-179-483-162200-
/O.NEW.KAMA.TO.W.0013.170516T2111Z-170516T2200Z/

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

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Southwestern Wheeler County in the Panhandle of Texas...
  Southeastern Gray County in the Panhandle of Texas...
  Northwestern Collingsworth County in the Panhandle of Texas...
  Northern Donley County in the Panhandle of Texas...

* Until 500 PM CDT
    
* At 411 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Howardwick, or 8 miles north of Clarendon, moving
  northeast at 30 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, Howardwick, Alanreed and Greenbelt Lake. 

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 3503 10105 3523 10082 3524 10038 3514 10046
      3498 10072 3495 10092
TIME...MOT...LOC 2111Z 229DEG 27KT 3506 10087 

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

$$

Guerrero

3 follow-up statements

937 
WWUS54 KAMA 162125
SVSAMA

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

TXC087-129-179-483-162200-
/O.CON.KAMA.TO.W.0013.000000T0000Z-170516T2200Z/
Wheeler TX-Gray TX-Collingsworth TX-Donley TX-
425 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHWESTERN WHEELER...SOUTHEASTERN GRAY...NORTHWESTERN COLLINGSWORTH
AND NORTHEASTERN DONLEY COUNTIES...
    
At 425 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles southwest of Alanreed, or 14 miles northeast of
Clarendon, moving northeast at 30 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 Alanreed. 

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 3516 10086 3523 10074 3524 10038 3514 10046
      3506 10061 3502 10077 3506 10087
TIME...MOT...LOC 2125Z 229DEG 27KT 3512 10078 

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

$$

Guerrero

818 
WWUS54 KAMA 162134 RRA
SVSAMA

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

TXC087-129-179-483-162200-
/O.CON.KAMA.TO.W.0013.000000T0000Z-170516T2200Z/
Wheeler TX-Gray TX-Collingsworth TX-Donley TX-
434 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHWESTERN WHEELER...SOUTHEASTERN GRAY...NORTHWESTERN COLLINGSWORTH
AND NORTHEASTERN DONLEY COUNTIES...
    
At 433 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Alanreed, or 18 miles northeast of Clarendon, moving
northeast at 30 mph.

HAZARD...Tornado and golf ball size hail. 

SOURCE...Radar indicated rotation. Storm chaser reported 2 inch 
         diameter hail 7 miles south of Alanreed.

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 Alanreed. 

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 3519 10080 3523 10074 3524 10038 3514 10046
      3506 10061 3505 10074 3510 10080
TIME...MOT...LOC 2133Z 229DEG 27KT 3516 10072 

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

$$

Guerrero

515 
WWUS54 KAMA 162144
SVSAMA

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

TXC087-483-162153-
/O.CAN.KAMA.TO.W.0013.000000T0000Z-170516T2200Z/
Wheeler TX-Collingsworth TX-
444 PM CDT TUE MAY 16 2017

...THE TORNADO WARNING FOR SOUTHWESTERN WHEELER AND NORTHWESTERN
COLLINGSWORTH COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area and0 therefore the warning has been cancelled.

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

LAT...LON 3519 10073 3523 10067 3524 10054 3516 10054
      3512 10059 3512 10073
TIME...MOT...LOC 2143Z 229DEG 27KT 3521 10065 

$$

TXC129-179-162200-
/O.CON.KAMA.TO.W.0013.000000T0000Z-170516T2200Z/
Gray TX-Donley TX-
444 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN GRAY AND NORTHEASTERN DONLEY COUNTIES...
    
At 443 PM CDT, a confirmed tornado was located located near Mclean,
or 22 miles west of Shamrock, moving northeast at 30 mph.

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

SOURCE...Live storm chaser video 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. 

Locations impacted include...
Mclean.

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 3519 10073 3523 10067 3524 10054 3516 10054
      3512 10059 3512 10073
TIME...MOT...LOC 2143Z 229DEG 27KT 3521 10065 

TORNADO...OBSERVED
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, 4:31 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
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.