Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 232, NWS Amarillo, TX

June 29, 2023Hartley County, Oldham County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 29, 2023, 6:38 PM CDT for Hartley County, Oldham County, Texas. It was in force for 67 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 29, 2023, 6:38 PM CDT (23:38 UTC)
Expired: Jun 29, 2023, 7:45 PM CDT
In force: 67 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hartley County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 92 km from the middle of the area, began a volume at 23:39 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, 11.6 hours before the alert went out and 93 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2526 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -79 m²/s²
0-3 km storm-relative helicity: 39 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 Jun 29, 6:21 PM CDT, 17 minutes earlier.

Area forecast discussion, Jun 29, 6:21 PM CDT, 17 minutes before

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Hazardous weather outlook, Jun 29, 6:33 PM CDT, 5 minutes before

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In the hours before

Special weather statement, Jun 29, 5:23 PM CDT, 1 hour 15 minutes before

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Special weather statement, Jun 29, 5:48 PM CDT, 50 minutes before

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Special weather statement, Jun 29, 6:15 PM CDT, 23 minutes before

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Special weather statement, Jun 29, 6:21 PM CDT, 17 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 28, 7:01 PM CDT	Special Weather Statement	AMA	Oldham	29 min
Jun 28, 7:11 PM CDT	Special Weather Statement	AMA	Hartley	34 min
Jun 28, 7:12 PM CDT	Special Weather Statement	AMA	Dallam	33 min
Jun 28, 7:48 PM CDT	Special Weather Statement	AMA	Dallam, Hartley	57 min
Jun 28, 8:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam, Hartley, Moore, Sherman	56 min
Jun 29, 2:57 AM CDT	Heat Advisory	AMA	Randall	18 hr
Jun 29, 5:23 PM CDT	Special Weather Statement	AMA	Oldham	52 min
Jun 29, 5:48 PM CDT	Special Weather Statement	AMA	Deaf Smith	27 min
Jun 29, 6:15 PM CDT	Special Weather Statement	AMA	Oldham	45 min
Jun 29, 6:21 PM CDT	Special Weather Statement	AMA	Oldham	24 min
Jun 28, 9:21 PM CDT	Special Weather Statement	AMA	Texas	24 min
Jun 28, 9:45 PM CDT	Special Weather Statement	AMA	Texas	30 min
Jun 28, 10:14 PM CDT	Special Weather Statement	AMA	Texas	31 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.