Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 6, NWS Amarillo, TX

May 11, 2014Lipscomb County, Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at May 11, 2014, 8:27 PM CDT for Lipscomb County, Texas; Beaver County, Oklahoma. It was in force for 63 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 11, 2014, 8:27 PM CDT (01:27 UTC)
Expired: May 11, 2014, 9:30 PM CDT
In force: 63 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Beaver County, OK, Lipscomb County, TX

The radar

The Dodge City radar (KDDC), 143 km from the middle of the area, began a volume at 01:27 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.

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 11, 2:38 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.5 hours before the alert went out and 186 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: 5049 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 33 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 11, 6:39 PM CDT, 1 hour 48 minutes earlier.

Area forecast discussion, May 11, 6:39 PM CDT, 1 hour 48 minutes before

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Hazardous weather outlook, May 11, 6:53 PM CDT, 1 hour 34 minutes before

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In the hours before

Local storm report, May 11, 3:41 PM CDT, 4 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
341 PM CDT SUN MAY 11 2014

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

0325 PM     HAIL             6 SSW BEAVER            36.73N 100.57W
05/11/2014  M1.25 INCH       BEAVER             OK   STORM CHASER

&&

EVENT NUMBER AMA1400339

BUFFALO

Local storm report, May 11, 3:53 PM CDT, 4 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
353 PM CDT SUN MAY 11 2014

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

0335 PM     HAIL             6 E MOCANE              36.88N 100.42W
05/11/2014  E1.25 INCH       BEAVER             OK   EMERGENCY MNGR

&&

EVENT NUMBER AMA1400340

KJS

Local storm report, May 11, 3:59 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
359 PM CDT SUN MAY 11 2014

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

0357 PM     HAIL             KNOWLES                 36.87N 100.19W
05/11/2014  M1.00 INCH       BEAVER             OK   PUBLIC

&&

EVENT NUMBER AMA1400341

BUFFALO

Local storm report, May 11, 4:01 PM CDT, 4 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
401 PM CDT SUN MAY 11 2014

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

0255 PM     HAIL             PERRYTON                36.39N 100.80W
05/11/2014  E0.75 INCH       OCHILTREE          TX   PUBLIC

&&

EVENT NUMBER AMA1400342

BUFFALO

Special weather statement, May 11, 4:14 PM CDT, 4 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
414 PM CDT SUN MAY 11 2014

OKZ003-112145-
BEAVER OK-
414 PM CDT SUN MAY 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BEAVER COUNTY UNTIL
445 PM CDT...

AT 412 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 7 MILES NORTH OF KNOWLES...OR 10 MILES SOUTHWEST
OF ENGLEWOOD...MOVING NORTHEAST AT 35 MPH.

HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHEASTERN BEAVER COUNTY.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3700 9999 3690 10000 3696 10029 3701 10027
      3701 10000
TIME...MOT...LOC 2114Z 220DEG 22KT 3698 10014

JC

Special weather statement, May 11, 8:23 PM CDT, 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
823 PM CDT SUN MAY 11 2014

OKZ003-TXZ005-120200-
BEAVER OK-LIPSCOMB TX-
823 PM CDT SUN MAY 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LIPSCOMB AND EXTREME
SOUTHEASTERN BEAVER COUNTIES UNTIL 900 PM CDT...

AT 821 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES WEST OF HIGGINS...OR 8 MILES SOUTHEAST OF
LIPSCOMB...MOVING NORTHEAST AT 45 MPH.

HAIL UP TO THE SIZE OF NICKELS IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  LIPSCOMB...           HIGGINS...            FOLLETT...

THIS STORM MAY INTENSIFY....AND A TORNADO WATCH IS IN EFFECT FOR THIS
AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS
LOCAL CABLE TV OUTLETS....FOR ADDITIONAL INFORMATION AND POSSIBLE
WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3612 10033 3650 10024 3650 10000 3606 10000
TIME...MOT...LOC 0123Z 222DEG 37KT 3616 10015

JC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 8:23 PM CDT	Special Weather Statement	AMA	Lipscomb	37 min
May 11, 10:42 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	63 min
May 11, 11:07 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Gray, Hemphill, Roberts, Wheeler	38 min
May 11, 11:40 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Collingsworth, Donley, Gray, Hemphill, Lipscomb and 2 more	95 min
May 12, 12:37 AM CDT	Areal Flood Advisory	AMA	Donley	3 hr
May 12, 1:18 AM CDT	Special Weather Statement	AMA	Collingsworth, Donley, Wheeler	42 min
May 12, 1:27 AM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	63 min
May 12, 3:56 AM CDT	Freeze Watch	AMA	Dallam, Hartley	11 hr
May 12, 2:57 PM CDT	Freeze Warning	AMA	Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter and 2 more	17 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2014 Severe Thunderstorm Warnings in Oklahoma, 2014 Every severe thunderstorm warning in 2014

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; radar from the NEXRAD Level II archive.