Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 84, NWS Amarillo, TX

May 16, 2015Hansford County, Texas; Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at May 16, 2015, 4:53 PM CDT for Hansford County, Texas; Texas County, Oklahoma. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 16, 2015, 4:53 PM CDT (21:53 UTC)
Expired: May 16, 2015, 5:30 PM CDT
In force: 37 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Texas County, OK, Hansford County, TX

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, 12:58 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.9 hours before the alert went out and 194 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1786 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 16, 4:27 PM CDT, 26 minutes earlier.

Area forecast discussion, May 16, 4:27 PM CDT, 26 minutes before

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Hazardous weather outlook, May 16, 1:29 PM CDT, 3 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
129 PM CDT SAT MAY 16 2015

OKZ001>003-TXZ001>020-162200-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
129 PM CDT SAT MAY 16 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO
EARLY THIS EVENING ACROSS THE OKLAHOMA AND TEXAS PANHANDLES. SOME
STORMS ARE EXPECTED TO BECOME SEVERE...WITH LARGE HAIL UP TO TENNIS
BALL SIZE...DAMAGING WINDS TO 70 MPH...AND ISOLATED TORNADOES
POSSIBLE. A TORNADO WATCH IS IN EFFECT FOR ALL BUT THE WESTERN
OKLAHOMA PANHANDLE THROUGH 8 PM CDT.

IN ADDITION...SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND
50 MPH ARE EXPECTED TO DEVELOP ACROSS WESTERN AND CENTRAL SECTIONS OF THE
OKLAHOMA AND TEXAS PANHANDLES THIS AFTERNOON INTO EARLY THIS EVENING
AS STORMS MOVE EAST OF THESE AREAS. A WIND ADVISORY IS IN EFFECT FOR THIS
AREA THROUGH 8 PM CDT THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THUNDERSTORMS WILL BE POSSIBLE ACROSS THE OKLAHOMA AND TEXAS PANHANDLES
MONDAY NIGHT THROUGH FRIDAY. THE POTENTIAL FOR HEAVY RAIN MAY
INCREASE MONDAY NIGHT THROUGH TUESDAY NIGHT...WHICH MAY LEAD TO
FLOODING OR FLASH FLOODING OVER PARTS OF THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON INTO EARLY THIS
EVENING.

KB

In the hours before

Local storm report, May 16, 3:14 PM CDT, 1 hour 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
314 PM CDT SAT MAY 16 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0312 PM     HAIL             5 W CLAUDE              35.11N 101.45W
05/16/2015  M1.50 INCH       ARMSTRONG          TX   AMATEUR RADIO

            QUARTER TO PING PONG BALL SIZE WEST OF CLAUDE TO CLAUDE

&&

EVENT NUMBER AMA1500437

KJS

Local storm report, May 16, 3:24 PM CDT, 1 hour 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
324 PM CDT SAT MAY 16 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0308 PM     HAIL             CLAUDE                  35.11N 101.36W
05/16/2015  E1.00 INCH       ARMSTRONG          TX   TRAINED SPOTTER

&&

EVENT NUMBER AMA1500438

KJS

Local storm report, May 16, 3:33 PM CDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
333 PM CDT SAT MAY 16 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0256 PM     HAIL             6 WSW WAYSIDE           34.75N 101.63W
05/16/2015  E2.50 INCH       RANDALL            TX   TRAINED SPOTTER

&&

EVENT NUMBER AMA1500439

KJS

Special weather statement, May 16, 4:10 PM CDT, 43 minutes before

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Special weather statement, May 16, 4:23 PM CDT, 30 minutes before

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Special weather statement, May 16, 4:45 PM CDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 11:55 PM CDT	Special Weather Statement	AMA	Randall	50 min
May 16, 12:05 AM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Potter, Randall	55 min
May 16, 12:26 AM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	64 min
May 16, 1:00 AM CDT	Special Weather Statement	AMA	Randall	30 min
May 16, 1:24 AM CDT	Severe Thunderstorm Warning	AMA	Hutchinson, Lipscomb, Ochiltree, Roberts	66 min
May 16, 1:32 AM CDT	Special Weather Statement	AMA	Carson	28 min
May 16, 2:05 AM CDT	Special Weather Statement	AMA	Carson, Gray, Roberts	25 min
May 16, 3:05 AM CDT	Special Weather Statement	AMA	Gray, Wheeler	25 min
May 16, 3:54 AM CDT	Special Weather Statement	AMA	Roberts	36 min
May 16, 5:41 AM CDT	Wind Advisory	AMA	Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more	14 hr
May 16, 6:49 AM CDT	Special Weather Statement	AMA	Armstrong	26 min
May 16, 9:30 AM CDT	Areal Flood Advisory	AMA	Hutchinson, Ochiltree, Roberts	2 hr
May 16, 9:46 AM CDT	Special Weather Statement	AMA	Donley, Wheeler	44 min
May 16, 1:26 PM CDT	Special Weather Statement	AMA	Hartley	34 min
May 16, 1:38 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Donley	37 min
May 16, 1:56 PM CDT	Special Weather Statement	AMA	Dallam	34 min
May 16, 2:04 PM CDT	Tornado Warning	AMA	Donley	41 min
May 16, 2:07 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	38 min
May 16, 2:18 PM CDT	Special Weather Statement	AMA	Hutchinson	42 min
May 16, 2:25 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Sherman	50 min
May 16, 2:35 PM CDT	Tornado Warning	AMA	Collingsworth, Donley	40 min
May 16, 2:41 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Randall	49 min
May 16, 3:02 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	54 min
May 16, 3:06 PM CDT	Tornado Warning	AMA	Collingsworth, Wheeler	39 min
May 16, 3:12 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	41 min
May 16, 3:19 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Wheeler	41 min
May 16, 3:23 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray	23 min
May 16, 3:34 PM CDT	Areal Flood Advisory	AMA	Armstrong	3 hr
May 16, 3:40 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Wheeler	35 min
May 16, 4:10 PM CDT	Special Weather Statement	AMA	Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter and 2 more	50 min
May 16, 4:23 PM CDT	Special Weather Statement	AMA	Collingsworth	37 min
May 16, 4:44 PM CDT	Areal Flood Advisory	AMA	Wheeler	3 hr
May 16, 4:45 PM CDT	Special Weather Statement	AMA	Hansford	45 min
May 16, 6:35 PM CDT	Special Weather Statement	AMA	Lipscomb	25 min
May 16, 5:56 PM CDT	Special Weather Statement	AMA	Beaver	34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Severe Thunderstorm Warnings in Oklahoma, 2015 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.