Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 151, NWS Amarillo, TX

June 11, 2023Dallam County, Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 11, 2023, 9:47 PM CDT for Dallam County, Texas; Cimarron County, Oklahoma. It was in force for 58 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: Jun 11, 2023, 9:47 PM CDT (02:47 UTC)
Expired: Jun 11, 2023, 10:45 PM CDT
In force: 58 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Damage threat: Destructive
Hail: 2.75 in
Wind: 70.0 mph

Counties Cimarron County, OK, Dallam County, TX

The radar

The Amarillo radar (KAMA), 162 km from the middle of the area, began a volume at 02:50 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
Jun 11, 3:18 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 11, 9:31 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.8 hours before the alert went out and 162 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: 1144 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1626 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 6.7

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 Jun 11, 7:40 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 11, 7:40 PM CDT, 2 hours 7 minutes before

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Hazardous weather outlook, Jun 11, 5:37 PM CDT, 4 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
537 PM CDT Sun Jun 11 2023

OKZ001>003-TXZ001>020-317-121045-
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-
537 PM CDT Sun Jun 11 2023

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

.DAY ONE...Tonight.

Thunderstorms will be possible across the Oklahoma and Texas
Panhandles through tonight. A few storms may become strong to
severe, with large hail and damaging winds the primary hazards.
A Severe Thunderstorm Watch is in effect for the western Oklahoma
Panhandle and the western Texas Panhandle until 10 PM CDT this
evening. Also, any storms that develop will be capable of
producing heavy rainfall, which may lead to flooding or flash
flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Additional thunderstorms will be possible across mainly northern
and eastern sections of the area Monday through Tuesday afternoon,
and then again Friday evening. The probability of severe thunderstorms
is low at this time. However, any storms that develop during this
time period will be capable of producing heavy rainfall, which may
lead to flooding or flash flooding.

.SPOTTER INFORMATION STATEMENT...

Limited spotter activation may be needed late this afternoon or
evening.

In the hours before

Local storm report, Jun 11, 8:42 PM CDT, 1 hour 5 minutes before

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Local storm report, Jun 11, 8:49 PM CDT, 58 minutes before

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Local storm report, Jun 11, 9:08 PM CDT, 39 minutes before

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Local storm report, Jun 11, 9:16 PM CDT, 31 minutes before

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Local storm report, Jun 11, 9:33 PM CDT, 14 minutes before

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Local storm report, Jun 11, 9:44 PM CDT, 3 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
Jun 11, 7:13 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Randall	62 min
Jun 11, 7:47 PM CDT	Severe Thunderstorm Warning	AMA	Randall	58 min
Jun 11, 7:57 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham, Potter, Randall	63 min
Jun 11, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Armstrong, Randall	38 min
Jun 11, 10:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam, Sherman	63 min
Jun 11, 11:36 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Sherman	69 min
Jun 12, 1:44 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam, Hartley	91 min
Jun 12, 3:09 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam, Hartley, Moore, Sherman	66 min
Jun 12, 4:04 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam	86 min
Jun 12, 4:06 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Carson, Hutchinson, Moore, Potter	54 min
Jun 12, 4:36 AM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Hutchinson, Roberts	54 min
Jun 12, 4:51 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Carson, Gray, Hutchinson, Potter, Roberts	69 min
Jun 12, 5:09 AM CDT	Areal Flood Advisory	AMA	Hemphill, Roberts	4 hr
Jun 12, 5:22 AM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Roberts, Wheeler	53 min
Jun 12, 5:50 AM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	85 min
Jun 12, 5:54 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Carson, Collingsworth, Donley, Gray, Wheeler	76 min
Jun 12, 10:27 AM CDT	Special Weather Statement	AMA	Moore	33 min
Jun 12, 10:36 AM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	54 min
Jun 12, 11:13 AM CDT	Special Weather Statement	AMA	Carson	32 min
Jun 12, 11:25 AM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Wheeler	65 min
Jun 12, 11:28 AM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	62 min
Jun 12, 12:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Gray, Hemphill, Lipscomb, Roberts, Wheeler	55 min
Jun 12, 6:36 PM CDT	Special Weather Statement	AMA	Oldham	39 min
Jun 11, 7:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Cimarron	60 min
Jun 11, 8:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Cimarron	64 min
Jun 11, 9:04 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	41 min
Jun 11, 9:17 PM CDT	River Flood Advisory	AMA	Cimarron	12 hr
Jun 11, 9:41 PM CDT	Severe Thunderstorm Warning	AMA	Texas	33 min
Jun 11, 11:22 PM CDT	Special Weather Statement	AMA	Cimarron	38 min
Jun 11, 11:46 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	41 min
Jun 12, 2:58 AM CDT	Special Weather Statement	AMA	Cimarron	32 min
Jun 12, 6:45 PM CDT	River Flood Advisory	AMA	Cimarron	5 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2023 Severe Thunderstorm Warnings in Oklahoma, 2023 Every severe thunderstorm warning in 2023

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.