Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 8, NWS Amarillo, TX

April 16, 2015Gray County, Texas

NWS Amarillo, TX issued this tornado warning at Apr 16, 2015, 5:01 PM CDT for Gray County, Texas. It was in force for 29 min. 2 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: Apr 16, 2015, 5:01 PM CDT (22:01 UTC)
Expired: Apr 16, 2015, 5:30 PM CDT
In force: 29 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Gray County, TX

The radar

The Amarillo radar (KAMA), 73 km from the middle of the area, began a volume at 22:05 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
Apr 16, 5:02 PM CDT	TORNADO	7 Ene Groom, TX	BRIEF TORNADO REPORTED NEAR HWY 70 SOUTH OF PAMPA
Apr 16, 5:03 PM CDT	TORNADO	7 Ne Groom, TX	BRIEF TORNADO REPORTED 6 MILES NORTH OF INTERSTATE 40 WEST OF STATE HIGHWAY 70.

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
Apr 16, 1:48 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.0 hours before the alert went out and 72 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: 246 J/kg
Mixed-layer CIN: -181 J/kg
Mixed-layer LCL: 2122 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

771 
WFUS54 KAMA 162201
TORAMA
TXC179-162230-
/O.NEW.KAMA.TO.W.0008.150416T2201Z-150416T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
501 PM CDT THU APR 16 2015

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL GRAY COUNTY IN THE PANHANDLE OF TEXAS...

* UNTIL 530 PM CDT

* AT 459 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES NORTHEAST OF GROOM...AND MOVING EAST AT
  20 MPH.

  HAZARD...TORNADO.

  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...
  LAKE MCCLELLAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3534 10084 3518 10077 3519 10104 3530 10104
TIME...MOT...LOC 2202Z 260DEG 18KT 3525 10099

TORNADO...RADAR INDICATED
HAIL...<1.00IN

$$

BRB

2 follow-up statements

153 
WWUS54 KAMA 162207
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
507 PM CDT THU APR 16 2015

TXC179-162230-
/O.CON.KAMA.TO.W.0008.000000T0000Z-150416T2230Z/
GRAY TX-
507 PM CDT THU APR 16 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL GRAY COUNTY
UNTIL 530 PM CDT...

AT 505 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES NORTHWEST OF LAKE MCCLELLAN...AND MOVING EAST AT
20 MPH.

HAZARD...TORNADO.

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...
  LAKE MCCLELLAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A 
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 3520 10101 3530 10102 3534 10084 3519 10077
TIME...MOT...LOC 2206Z 260DEG 18KT 3525 10097

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BRB

980 
WWUS54 KAMA 162221
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
521 PM CDT THU APR 16 2015

TXC179-162230-
/O.CON.KAMA.TO.W.0008.000000T0000Z-150416T2230Z/
GRAY TX-
521 PM CDT THU APR 16 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL GRAY COUNTY
UNTIL 530 PM CDT...

AT 517 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LAKE MCCLELLAN...AND MOVING EAST AT 20 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...
  LAKE MCCLELLAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 3521 10096 3531 10099 3534 10084 3522 10078
TIME...MOT...LOC 2221Z 257DEG 17KT 3529 10088

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

$$

BRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 7:29 PM CDT	Special Weather Statement	AMA	Donley	61 min
Apr 15, 7:54 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	50 min
Apr 15, 8:08 PM CDT	Special Weather Statement	AMA	Collingsworth	67 min
Apr 15, 8:11 PM CDT	Special Weather Statement	AMA	Carson	79 min
Apr 15, 9:22 PM CDT	Special Weather Statement	AMA	Roberts	53 min
Apr 15, 10:04 PM CDT	Special Weather Statement	AMA	Hemphill, Roberts	56 min
Apr 15, 11:23 PM CDT	Special Weather Statement	AMA	Hansford, Lipscomb, Ochiltree	52 min
Apr 16, 1:43 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	62 min
Apr 16, 1:49 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	56 min
Apr 16, 2:15 PM CDT	Special Weather Statement	AMA	Randall	30 min
Apr 16, 2:17 PM CDT	Tornado Warning	AMA	Hutchinson, Roberts	28 min
Apr 16, 2:24 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson	66 min
Apr 16, 2:32 PM CDT	Severe Thunderstorm Warning	AMA	Potter, Randall	58 min
Apr 16, 2:45 PM CDT	Tornado Warning	AMA	Roberts	30 min
Apr 16, 2:47 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree	58 min
Apr 16, 3:03 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter	57 min
Apr 16, 3:04 PM CDT	Special Weather Statement	AMA	Randall	26 min
Apr 16, 3:07 PM CDT	Severe Thunderstorm Warning	AMA	Roberts	38 min
Apr 16, 3:12 PM CDT	Severe Thunderstorm Warning	AMA	Potter, Randall	30 min
Apr 16, 3:31 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson	44 min
Apr 16, 3:35 PM CDT	Special Weather Statement	AMA	Randall	25 min
Apr 16, 3:42 PM CDT	Severe Thunderstorm Warning	AMA	Roberts	63 min
Apr 16, 3:47 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson	28 min
Apr 16, 3:52 PM CDT	Tornado Warning Tornado observed	AMA	Carson	7 min
Apr 16, 3:59 PM CDT	Areal Flood Advisory	AMA	Carson, Gray, Hutchinson, Roberts	4 hr
Apr 16, 4:12 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	63 min
Apr 16, 4:45 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Roberts	60 min
Apr 16, 4:48 PM CDT	Areal Flood Advisory	AMA	Carson, Gray, Roberts	3 hr
Apr 16, 5:13 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill	32 min
Apr 16, 5:16 PM CDT	Tornado Warning	AMA	Gray, Roberts	29 min
Apr 16, 5:25 PM CDT	Tornado Warning Tornado observed	AMA	Hemphill	35 min
Apr 16, 5:36 PM CDT	Areal Flood Advisory	AMA	Hemphill, Lipscomb	5 hr
Apr 16, 5:39 PM CDT	Tornado Warning	AMA	Gray, Wheeler	51 min
Apr 16, 5:46 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Roberts	59 min
Apr 16, 5:59 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	61 min
Apr 16, 6:20 PM CDT	Tornado Warning Tornado observed	AMA	Hemphill, Wheeler	25 min
Apr 16, 6:30 PM CDT	Tornado Warning	AMA	Gray, Wheeler	45 min
Apr 16, 6:45 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	45 min
Apr 16, 6:55 PM CDT	Severe Thunderstorm Warning	AMA	Donley	33 min
Apr 16, 6:58 PM CDT	Tornado Warning	AMA	Wheeler	37 min
Apr 16, 6:59 PM CDT	Areal Flood Advisory	AMA	Wheeler	5 hr

Nearby

Tornado Warnings in Texas, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.