Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 225, NWS Amarillo, TX

November 24, 2020Hemphill County, Lipscomb County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Nov 24, 2020, 2:27 PM CST for Hemphill County, Lipscomb County, Texas. It was in force for 33 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: Nov 24, 2020, 2:27 PM CST (20:27 UTC)
Expired: Nov 24, 2020, 3:00 PM CST
In force: 33 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Hemphill County, TX, Lipscomb County, TX

The radar

The Amarillo radar (KAMA), 159 km from the middle of the area, began a volume at 20:28 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
Nov 24, 1:50 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.5 hours before the alert went out and 193 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: 652 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 273 m²/s²
0-3 km storm-relative helicity: 285 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 Nov 24, 2:21 PM CST, 6 minutes earlier.

Area forecast discussion, Nov 24, 2:21 PM CST, 6 minutes before

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Hazardous weather outlook, Nov 24, 2:16 PM CST, 11 minutes before

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In the hours before

Special weather statement, Nov 24, 1:47 PM CST, 40 minutes before

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Local storm report, Nov 24, 2:03 PM CST, 24 minutes before

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Local storm report, Nov 24, 2:15 PM CST, 12 minutes before

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Local storm report, Nov 24, 2:16 PM CST, 11 minutes before

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Local storm report, Nov 24, 2:18 PM CST, 9 minutes before

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Local storm report, Nov 24, 2:26 PM CST, 1 minute 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
Nov 24, 1:09 PM CST	Severe Thunderstorm Warning	AMA	Ochiltree	36 min
Nov 24, 1:37 PM CST	Special Weather Statement	AMA	Roberts	23 min
Nov 24, 1:47 PM CST	Special Weather Statement	AMA	Lipscomb, Ochiltree	28 min
Nov 24, 1:53 PM CST	Severe Thunderstorm Warning	AMA	Hemphill, Roberts	37 min
Nov 24, 2:07 PM CST	Severe Thunderstorm Warning	AMA	Lipscomb	38 min
Nov 24, 2:11 PM CST	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	20 min
Nov 24, 2:48 PM CST	Special Weather Statement	AMA	Potter	27 min
Nov 24, 3:03 PM CST	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	42 min
Nov 24, 3:37 PM CST	Special Weather Statement	AMA	Potter	23 min
Nov 24, 11:49 AM CST	Special Weather Statement	AMA	Texas	26 min
Nov 24, 12:36 PM CST	Special Weather Statement	AMA	Beaver	24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every severe thunderstorm warning in 2020

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.