Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 348, NWS Amarillo, TX

August 8, 2019Hansford County, Ochiltree County, Texas; Beaver County, Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 8, 2019, 6:59 PM CDT for Hansford County, Ochiltree County, Texas; Beaver County, Texas County, Oklahoma. It was in force for 48 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: Aug 8, 2019, 6:59 PM CDT (23:59 UTC)
Expired: Aug 8, 2019, 7:47 PM CDT
In force: 48 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Beaver County, OK, Texas County, OK, Hansford County, TX, Ochiltree County, TX

The radar

The Amarillo radar (KAMA), 155 km from the middle of the area, began a volume at 00:00 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

Norman, OK (KOUN), launched 12:00Z, 12.0 hours before the alert went out and 358 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: 595 J/kg
Mixed-layer CIN: -310 J/kg
Mixed-layer LCL: 1770 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Aug 8, 6:38 PM CDT, 21 minutes earlier.

Area forecast discussion, Aug 8, 6:38 PM CDT, 21 minutes before

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Hazardous weather outlook, Aug 8, 3:09 PM CDT, 3 hours 50 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
309 PM CDT Thu Aug 8 2019

OKZ001>003-TXZ001>020-317-091100-
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-
309 PM CDT Thu Aug 8 2019

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

.DAY ONE...Through Tonight.

Scattered thunderstorms are expected across the Texas and
Oklahoma Panhandles. Strong to marginally severe storms are
possible with strong winds being the main threat. Also, small
hail and heavy rain will be possible with the stronger storms.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Thunderstorms will be possible across most of the Texas and
Oklahoma Panhandles mainly during the afternoon and nighttime
hours Friday through Wednesday. Any storms that develop Friday
could potentially reach strong to possibly severe levels. The main
severe weather threat Friday will be damaging winds along with
heavy rainfall. Storms are expected to remain below severe levels
Saturday through Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

Cockrell

In the hours before

Special weather statement, Aug 8, 5:32 PM CDT, 1 hour 27 minutes before

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Special weather statement, Aug 8, 5:39 PM CDT, 1 hour 20 minutes before

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Special weather statement, Aug 8, 5:56 PM CDT, 1 hour 3 minutes before

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Local storm report, Aug 8, 6:01 PM CDT, 58 minutes before

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Special weather statement, Aug 8, 6:02 PM CDT, 57 minutes before

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Special weather statement, Aug 8, 6:40 PM CDT, 19 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
Aug 8, 3:09 AM CDT	Heat Advisory	AMA	Randall	11 hr
Aug 8, 3:02 PM CDT	Special Weather Statement	AMA	Deaf Smith	13 min
Aug 8, 3:21 PM CDT	Special Weather Statement	AMA	Potter	24 min
Aug 8, 3:42 PM CDT	Special Weather Statement	AMA	Potter	18 min
Aug 8, 3:45 PM CDT	Special Weather Statement	AMA	Oldham	15 min
Aug 8, 3:58 PM CDT	Special Weather Statement	AMA	Carson, Deaf Smith, Potter	32 min
Aug 8, 4:05 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter, Randall	25 min
Aug 8, 4:29 PM CDT	Special Weather Statement	AMA	Potter	31 min
Aug 8, 4:35 PM CDT	Areal Flood Advisory	AMA	Potter	115 min
Aug 8, 4:38 PM CDT	Special Weather Statement	AMA	Deaf Smith	37 min
Aug 8, 4:41 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	49 min
Aug 8, 4:47 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter, Randall	58 min
Aug 8, 4:57 PM CDT	Special Weather Statement	AMA	Deaf Smith	33 min
Aug 8, 5:00 PM CDT	Special Weather Statement	AMA	Hutchinson	30 min
Aug 8, 5:08 PM CDT	Areal Flood Advisory	AMA	Deaf Smith	2 hr
Aug 8, 5:31 PM CDT	Special Weather Statement	AMA	Deaf Smith	29 min
Aug 8, 5:32 PM CDT	Special Weather Statement	AMA	Potter	28 min
Aug 8, 5:39 PM CDT	Special Weather Statement	AMA	Hutchinson	36 min
Aug 8, 5:56 PM CDT	Special Weather Statement	AMA	Hansford	19 min
Aug 8, 6:02 PM CDT	Special Weather Statement	AMA	Armstrong	13 min
Aug 8, 6:40 PM CDT	Special Weather Statement	AMA	Hansford	20 min

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Severe Thunderstorm Warnings in Oklahoma, 2019 Every severe thunderstorm warning in 2019

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.