Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 335, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jul 21, 2023, 1:07 AM CDT for Hansford County, Lipscomb County, Ochiltree County, Texas; Beaver County, Texas County, Oklahoma. It was in force for 40 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
- Jul 21, 2023, 1:07 AM CDT (06:07 UTC)
- Expired
- Jul 21, 2023, 1:47 AM CDT
- In force
- 40 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Beaver County, OK, Texas County, OK, Hansford County, TX, Lipscomb County, TX, Ochiltree County, TX
The radar
The Amarillo radar (KAMA), 156 km from the middle of the area, began a volume at 06:06 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 |
|---|---|---|---|
| Jul 20, 11:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 6.1 hours before the alert went out and 156 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.
- Mixed-layer CAPE
- 2250 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1957 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
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 Jul 21, 12:55 AM CDT, 12 minutes earlier.
Area forecast discussion, Jul 21, 12:55 AM CDT, 12 minutes before
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</html>Hazardous weather outlook, Jul 21, 12:02 AM CDT, 1 hour 5 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Amarillo TX 1202 AM CDT Fri Jul 21 2023 OKZ001>003-TXZ001>020-317-211100- 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- 1202 AM CDT Fri Jul 21 2023 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Rest of Tonight. Thunderstorms are expected through tonight across the Oklahoma Panhandle and the northern two thirds of the Texas Panhandle. Strong to severe thunderstorms will be possible with damaging winds the primary threat, but large hail will be possible. Although the threat is very low, a tornado can't be ruled out. Flash flooding will also be possible. A Flood Watch is in effect until 7 AM for the Oklahoma Panhandle and parts of the north central and northeast Texas Panhandle. In addition, a Severe Thunderstorm Watch is in effect for the Oklahoma Panhandle and all of the northern Texas Panhandle until 7 AM CDT Friday. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Thunderstorms will be possible Friday night and again Saturday night. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight.
In the hours before
Special weather statement, Jul 20, 11:27 PM CDT, 1 hour 40 minutes before
Special Weather Statement
National Weather Service Amarillo TX
1127 PM CDT Thu Jul 20 2023
OKZ002-210500-
Texas OK-
1127 PM CDT Thu Jul 20 2023
...A strong thunderstorm will impact portions of northwestern Texas
County through MIDNIGHT CDT...
At 1127 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles south of Elkhart, moving southeast at 30 mph.
HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Eva and Hough.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until midnight CDT for
the Panhandle of Oklahoma.
&&
LAT...LON 3662 10167 3689 10203 3691 10203 3699 10196
3700 10141
TIME...MOT...LOC 0427Z 306DEG 28KT 3691 10188
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH
WardLocal storm report, Jul 21, 12:51 AM CDT, 16 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 12:33 AM CDT | Severe Thunderstorm Warning | AMA | Hansford | 72 min |
| Jul 21, 1:08 AM CDT | Areal Flood Advisory | AMA | Lipscomb | 6 hr |
| Jul 21, 1:49 AM CDT | Special Weather Statement | AMA | Lipscomb, Ochiltree | 56 min |
| Jul 21, 2:22 AM CDT | Special Weather Statement | AMA | Hemphill, Wheeler | 23 min |
| Jul 21, 3:40 AM CDT | Special Weather Statement | AMA | Dallam | 35 min |
| Jul 20, 10:28 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 45 min |
| Jul 20, 10:38 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron | 97 min |
| Jul 20, 10:45 PM CDT | Tornado Warning | AMA | Cimarron | 45 min |
| Jul 20, 11:11 PM CDT | Tornado Warning | AMA | Cimarron | 34 min |
| Jul 20, 11:16 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron, Texas | 89 min |
| Jul 20, 11:18 PM CDT | Areal Flood Advisory | AMA | Cimarron, Texas | 9 hr |
| Jul 20, 11:27 PM CDT | Special Weather Statement | AMA | Texas | 33 min |
| Jul 20, 11:36 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 54 min |
| Jul 20, 11:53 PM CDT | Tornado Warning | AMA | Texas | 34 min |
| Jul 20, 11:57 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 63 min |
| Jul 21, 12:25 AM CDT | Severe Thunderstorm Warning | AMA | Beaver | 79 min |
| Jul 21, 12:50 AM CDT | Areal Flood Advisory | AMA | Beaver, Texas | 8 hr |
| Jul 21, 2:34 AM CDT | Special Weather Statement | AMA | Cimarron | 56 min |
| Jul 21, 3:37 AM CDT | Areal Flood Advisory | AMA | Cimarron, Texas | 5 hr |
| Jul 21, 6:08 PM CDT | River Flood Advisory | AMA | Beaver | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2023Severe Thunderstorm Warnings in Oklahoma, 2023Every 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.