Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 221, NWS Amarillo, TX

June 27, 2023Collingsworth County, Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 27, 2023, 3:49 AM CDT for Collingsworth County, Wheeler County, Texas. It was in force for 26 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 27, 2023, 3:49 AM CDT (08:49 UTC)
Expired: Jun 27, 2023, 4:15 AM CDT
In force: 26 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 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 08:52 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 00:00Z, 8.8 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: 2346 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1718 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.6

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 27, 2:40 AM CDT, 1 hour 9 minutes earlier.

Area forecast discussion, Jun 27, 2:40 AM CDT, 1 hour 9 minutes before

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Hazardous weather outlook, Jun 27, 3:18 AM CDT, 31 minutes before

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In the hours before

Special weather statement, Jun 27, 12:13 AM CDT, 3 hours 36 minutes before

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Special weather statement, Jun 27, 12:28 AM CDT, 3 hours 21 minutes before

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Special weather statement, Jun 27, 12:54 AM CDT, 2 hours 55 minutes before

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Special weather statement, Jun 27, 1:14 AM CDT, 2 hours 35 minutes before

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Special weather statement, Jun 27, 1:22 AM CDT, 2 hours 27 minutes before

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Special weather statement, Jun 27, 1:50 AM CDT, 1 hour 59 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 26, 10:28 PM CDT	Special Weather Statement	AMA	Hartley	32 min
Jun 26, 10:50 PM CDT	Special Weather Statement	AMA	Sherman	25 min
Jun 26, 11:16 PM CDT	Special Weather Statement	AMA	Hansford	29 min
Jun 26, 11:52 PM CDT	Special Weather Statement	AMA	Oldham	23 min
Jun 26, 11:56 PM CDT	Special Weather Statement	AMA	Deaf Smith	34 min
Jun 27, 12:13 AM CDT	Special Weather Statement	AMA	Hartley	32 min
Jun 27, 12:28 AM CDT	Special Weather Statement	AMA	Oldham	32 min
Jun 27, 12:54 AM CDT	Special Weather Statement	AMA	Oldham	36 min
Jun 27, 1:14 AM CDT	Special Weather Statement	AMA	Potter	31 min
Jun 27, 1:22 AM CDT	Special Weather Statement	AMA	Potter	23 min
Jun 27, 1:50 AM CDT	Special Weather Statement	AMA	Potter	25 min
Jun 27, 4:52 PM CDT	Special Weather Statement	AMA	Hartley	23 min
Jun 27, 5:02 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore, Sherman	58 min
Jun 27, 5:56 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	64 min
Jun 27, 6:33 PM CDT	Special Weather Statement	AMA	Hansford, Sherman	27 min
Jun 27, 6:41 PM CDT	Severe Thunderstorm Warning Destructive damage threat	AMA	Hansford, Sherman	64 min
Jun 27, 6:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hansford, Ochiltree, Sherman	57 min
Jun 27, 2:37 PM CDT	Special Weather Statement	AMA	Cimarron	23 min
Jun 27, 2:44 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	61 min
Jun 27, 3:43 PM CDT	Special Weather Statement	AMA	Cimarron	32 min
Jun 27, 5:34 PM CDT	Special Weather Statement	AMA	Texas	26 min
Jun 27, 5:44 PM CDT	Special Weather Statement	AMA	Cimarron	31 min
Jun 27, 5:52 PM CDT	Severe Thunderstorm Warning	AMA	Texas	68 min
Jun 27, 6:43 PM CDT	Tornado Warning	AMA	Beaver, Texas	47 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.