Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 118, NWS Amarillo, TX

May 29, 2018Collingsworth County, Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 29, 2018, 6:26 PM CDT for Collingsworth County, Wheeler County, Texas. It was in force for 79 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 29, 2018, 6:26 PM CDT (23:26 UTC)
Expired: May 29, 2018, 7:45 PM CDT
In force: 79 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 3.0 in
Wind: 60.0 mph

Counties Collingsworth County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 131 km from the middle of the area, began a volume at 23:29 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.4 hours before the alert went out and 130 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: 383 J/kg
Mixed-layer CIN: -405 J/kg
Mixed-layer LCL: 1427 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 388 m²/s²
0-3 km storm-relative helicity: 363 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 29, 5:59 PM CDT, 27 minutes earlier.

Area forecast discussion, May 29, 5:59 PM CDT, 27 minutes before

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Hazardous weather outlook, May 29, 3:11 PM CDT, 3 hours 15 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
311 PM CDT Tue May 29 2018

OKZ001>003-TXZ001>020-317-301100-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
311 PM CDT Tue May 29 2018

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms will be possible across the Oklahoma Panhandle and
the northeast Texas Panhandle this afternoon and tonight. Some of
the storms may become severe with large hail, damaging winds, and
tornadoes. A Tornado Watch is in effect for the eastern Oklahoma
and northeast Texas Panhandles until 9 PM CDT this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Thunderstorms will be possible across the Oklahoma Panhandle and
the northern Texas Panhandle on Wednesday and Wednesday night.
Thunderstorms will then be possible across the eastern Texas and
Oklahoma Panhandles Friday and Friday night. Thunderstorms will
be possible across much of the Panhandles Sunday night through
Monday night. Some of the storms may become severe with large hail
and damaging winds.

High temperatures may warm to 105 degrees or higher in Palo Duro
Canyon State Park on Thursday and Friday. Therefore, a Heat
Advisory may become necessary.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and tonight.

Schneider

In the hours before

Local storm report, May 29, 5:57 PM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
557 PM CDT TUE MAY 29 2018

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

0557 PM     TSTM WND GST     8 W SLAPOUT             36.60N 100.26W
05/29/2018  M58 MPH          BEAVER             OK   MESONET

            OKLAHOMA MESONET MEASURED 58 MPH WIND GUST

&&

EVENT NUMBER AMA1800184

BIEDA

Local storm report, May 29, 5:58 PM CDT, 28 minutes before

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Local storm report, May 29, 6:04 PM CDT, 22 minutes before

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Local storm report, May 29, 6:11 PM CDT, 15 minutes before

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Local storm report, May 29, 6:17 PM CDT, 9 minutes before

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Local storm report, May 29, 6:21 PM CDT, 5 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 28, 7:15 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Sherman	60 min
May 28, 7:24 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore, Sherman	50 min
May 28, 7:28 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree	62 min
May 28, 7:36 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson, Moore, Oldham, Potter	39 min
May 28, 7:37 PM CDT	Areal Flood Advisory	AMA	Hansford, Moore, Sherman	3 hr
May 28, 7:45 PM CDT	Special Weather Statement	AMA	Moore	30 min
May 28, 7:50 PM CDT	Areal Flood Advisory	AMA	Hartley, Moore, Oldham, Potter	3 hr
May 28, 7:54 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter, Randall	53 min
May 28, 8:11 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree, Sherman	64 min
May 28, 8:12 PM CDT	Special Weather Statement	AMA	Moore	33 min
May 28, 8:25 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore	50 min
May 28, 8:32 PM CDT	Tornado Warning	AMA	Hansford, Sherman	43 min
May 28, 8:35 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	55 min
May 28, 9:12 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	63 min
May 28, 9:13 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree	62 min
May 28, 9:25 PM CDT	Special Weather Statement	AMA	Hutchinson	35 min
May 28, 10:13 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Lipscomb, Ochiltree, Roberts	62 min
May 28, 10:34 PM CDT	Tornado Warning	AMA	Ochiltree, Roberts	41 min
May 28, 11:06 PM CDT	Tornado Warning	AMA	Lipscomb, Ochiltree	20 min
May 28, 11:10 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	65 min
May 28, 11:49 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	56 min
May 29, 4:27 PM CDT	Special Weather Statement	AMA	Roberts	33 min
May 29, 4:34 PM CDT	Special Weather Statement	AMA	Ochiltree	26 min
May 29, 4:40 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	65 min
May 29, 4:46 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	59 min
May 29, 5:25 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	74 min
May 29, 5:29 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Gray, Hemphill, Roberts, Wheeler	91 min
May 29, 5:31 PM CDT	Tornado Warning	AMA	Gray, Wheeler	44 min
May 29, 6:05 PM CDT	Tornado Warning	AMA	Wheeler	40 min
May 29, 6:21 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Wheeler	24 min
May 28, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Texas	59 min
May 28, 7:38 PM CDT	Tornado Warning	AMA	Texas	39 min
May 28, 7:59 PM CDT	Severe Thunderstorm Warning	AMA	Texas	61 min
May 28, 8:27 PM CDT	Tornado Warning Tornado observed	AMA	Beaver, Texas	48 min
May 28, 9:24 PM CDT	Special Weather Statement	AMA	Texas	36 min
May 28, 10:11 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	32 min
May 28, 10:42 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	41 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018 Every severe thunderstorm warning in 2018

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.