Alert archive / Texas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 17, NWS Amarillo, TX

April 23, 2022Dallam County, Hansford County, Sherman County, Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 23, 2022, 1:06 AM CDT for Dallam County, Hansford County, Sherman County, Texas; Cimarron County, Texas County, Oklahoma. It was in force for 54 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: Apr 23, 2022, 1:06 AM CDT (06:06 UTC)
Expired: Apr 23, 2022, 2:00 AM CDT
In force: 54 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 139 km from the middle of the area, began a volume at 06:09 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
Apr 23, 12:56 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.1 hours before the alert went out and 140 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: 2360 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1532 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 18.1

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 Apr 23, 12:08 AM CDT, 58 minutes earlier.

Area forecast discussion, Apr 23, 12:08 AM CDT, 58 minutes before

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Hazardous weather outlook, Apr 23, 1:01 AM CDT, 5 minutes before

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In the hours before

Local storm report, Apr 22, 9:50 PM CDT, 3 hours 16 minutes before

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Local storm report, Apr 22, 9:56 PM CDT, 3 hours 10 minutes before

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Local storm report, Apr 22, 10:13 PM CDT, 2 hours 53 minutes before

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Local storm report, Apr 22, 11:03 PM CDT, 2 hours 3 minutes before

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Local storm report, Apr 22, 11:07 PM CDT, 1 hour 59 minutes before

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Special weather statement, Apr 23, 12:33 AM CDT, 33 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
Apr 22, 7:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hansford, Hutchinson, Moore, Sherman	41 min
Apr 22, 7:09 PM CDT	Special Weather Statement	AMA	Potter	36 min
Apr 22, 7:17 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Potter, Randall	43 min
Apr 22, 7:23 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	46 min
Apr 22, 7:29 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Ochiltree, Roberts	61 min
Apr 22, 7:31 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	44 min
Apr 22, 7:59 PM CDT	Special Weather Statement	AMA	Carson	31 min
Apr 22, 8:02 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	43 min
Apr 22, 8:13 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Randall	62 min
Apr 22, 8:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hansford, Lipscomb, Ochiltree	53 min
Apr 22, 9:14 PM CDT	Tornado Warning	AMA	Carson, Gray	20 min
Apr 22, 9:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Gray, Hemphill, Roberts, Wheeler	56 min
Apr 22, 10:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hemphill, Lipscomb	37 min
Apr 23, 1:55 AM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hemphill, Hutchinson, Lipscomb, Moore, Ochiltree and 2 more	95 min
Apr 23, 3:00 AM CDT	Special Weather Statement	AMA	Hansford	30 min
Apr 23, 3:19 AM CDT	Special Weather Statement	AMA	Ochiltree	26 min
Apr 23, 3:28 AM CDT	Red Flag Warning	AMA	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more	18 hr
Apr 23, 3:32 AM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	28 min
Apr 23, 3:47 AM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	41 min
Apr 23, 3:51 AM CDT	Special Weather Statement	AMA	Ochiltree	24 min
Apr 23, 4:05 AM CDT	Special Weather Statement	AMA	Roberts	25 min
Apr 23, 4:18 AM CDT	Special Weather Statement	AMA	Roberts	27 min
Apr 23, 4:34 AM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Lipscomb, Roberts	8 min
Apr 23, 12:39 PM CDT	Wind Advisory	AMA	Armstrong, Carson, Dallam, Deaf Smith, Donley, Gray and 13 more	5 hr
Apr 23, 12:33 AM CDT	Special Weather Statement	AMA	Cimarron	27 min
Apr 23, 3:30 AM CDT	Special Weather Statement	AMA	Beaver	30 min

Nearby

Severe Thunderstorm Warnings in Texas, 2022 Severe Thunderstorm Warnings in Oklahoma, 2022 Every severe thunderstorm warning in 2022

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.