Alert archive / Texas / Flash Flood Warnings in 2023

Flash Flood Warning 28, NWS Amarillo, TX

June 7, 2023Potter County, Randall County, Texas

NWS Amarillo, TX issued this flash flood warning at Jun 7, 2023, 11:35 PM CDT for Potter County, Randall County, Texas. It was in force for 6 hr. 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 7, 2023, 11:35 PM CDT (04:35 UTC)
Expired: Jun 8, 2023, 5:45 AM CDT
In force: 6 hr
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Flood severity: None

Counties Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 18 km from the middle of the area, began a volume at 04:35 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

Midland Regional, TX (KMAF), launched 00:00Z, 4.6 hours before the alert went out and 361 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: 612 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 2764 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 7, 6:35 PM CDT, 5 hours earlier.

Area forecast discussion, Jun 7, 6:35 PM CDT, 5 hours before

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Hazardous weather outlook, Jun 7, 1:34 PM CDT, 10 hours 1 minute before

Hazardous Weather Outlook
National Weather Service Amarillo TX
134 PM CDT Wed Jun 7 2023

OKZ001>003-TXZ001>020-317-080645-
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-
134 PM CDT Wed Jun 7 2023

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

.DAY ONE...This Afternoon and Tonight.

Thunderstorms will be possible across the Panhandles this
afternoon into tonight. Any thunderstorms may lead to localized
flooding. Strong to severe storms may occur in the southwest
Panhandle late today into the early overnight hours. The main
concern with a severe storm, if it occurs, will be the potential
for hail up to one inch in diameter.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms will be possible across the Panhandles Thursday
through Tuesday. Any thunderstorms may lead to localized
flooding. Strong to severe storms possible on Friday, with wind
and hail being the main severe threat. Thursday onward, the
probability for severe thunderstorms is low at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Jun 7, 8:14 PM CDT, 3 hours 21 minutes before

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Special weather statement, Jun 7, 8:25 PM CDT, 3 hours 10 minutes before

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Special weather statement, Jun 7, 8:34 PM CDT, 3 hours 1 minute before

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Special weather statement, Jun 7, 8:35 PM CDT, 3 hours before

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Special weather statement, Jun 7, 8:55 PM CDT, 2 hours 40 minutes before

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Special weather statement, Jun 7, 9:12 PM CDT, 2 hours 23 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 7, 7:03 PM CDT	Special Weather Statement	AMA	Carson	27 min
Jun 7, 7:30 PM CDT	Special Weather Statement	AMA	Carson	30 min
Jun 7, 7:45 PM CDT	Special Weather Statement	AMA	Dallam	30 min
Jun 7, 8:14 PM CDT	Special Weather Statement	AMA	Carson	46 min
Jun 7, 8:25 PM CDT	Special Weather Statement	AMA	Dallam, Hartley	35 min
Jun 7, 8:34 PM CDT	Special Weather Statement	AMA	Carson	26 min
Jun 7, 8:35 PM CDT	Special Weather Statement	AMA	Hutchinson	40 min
Jun 7, 8:55 PM CDT	Special Weather Statement	AMA	Dallam, Hartley, Oldham	35 min
Jun 7, 9:12 PM CDT	Special Weather Statement	AMA	Roberts	33 min
Jun 8, 12:29 AM CDT	Flash Flood Warning	AMA	Hutchinson	108 min
Jun 8, 12:36 AM CDT	Flash Flood Warning	AMA	Armstrong, Randall	5 hr
Jun 8, 1:04 AM CDT	River Flood Advisory	AMA	Armstrong	2 hr
Jun 8, 3:26 AM CDT	River Flood Warning	AMA	Armstrong	7 hr
Jun 8, 10:47 AM CDT	River Flood Warning	AMA	Potter	23 hr

Nearby

Flash Flood Warnings in Texas, 2023 Every flash flood 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.