Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 310, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jul 13, 2023, 9:27 PM CDT for Dallam County, Hartley County, Texas. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2023, 9:27 PM CDT (02:27 UTC)
- Expired
- Jul 13, 2023, 10:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Tornado
- Possible
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Dallam County, TX, Hartley County, TX
The radar
The Amarillo radar (KAMA), 151 km from the middle of the area, began a volume at 02:28 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 |
|---|---|---|---|
| Jul 13, 3:17 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.5 hours before the alert went out and 152 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
- 2015 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1413 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -138 m²/s²
- 0-3 km storm-relative helicity
- -93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.8
The text
As transmitted.
294
WUUS54 KAMA 140227
SVRAMA
TXC111-205-140330-
/O.NEW.KAMA.SV.W.0310.230714T0227Z-230714T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
927 PM CDT Thu Jul 13 2023
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Southwestern Dallam County in the Panhandle of Texas...
Northwestern Hartley County in the Panhandle of Texas...
* Until 1030 PM CDT.
* At 926 PM CDT, a severe thunderstorm was located 8 miles northeast
of Sedan, or 18 miles southeast of Clayton, moving south at 20 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible.
People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles.
* This severe thunderstorm will remain over mainly rural areas of
southwestern Dallam and northwestern Hartley Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter such as an interior room, a
bathroom, closet or basement.
Heavy rainfall is occurring with this storm, and may lead to flash
flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3627 10304 3628 10291 3593 10276 3592 10304
TIME...MOT...LOC 0226Z 358DEG 19KT 3622 10301
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ward2 follow-up statements
808
WWUS54 KAMA 140258
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
958 PM CDT Thu Jul 13 2023
TXC111-205-140330-
/O.CON.KAMA.SV.W.0310.000000T0000Z-230714T0330Z/
Dallam TX-Hartley TX-
958 PM CDT Thu Jul 13 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHWESTERN DALLAM AND NORTHWESTERN HARTLEY COUNTIES...
At 957 PM CDT, a severe thunderstorm was located 7 miles east of
Sedan, or 15 miles northeast of Amistad, moving south at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible. Hail
damage to vehicles is expected.
This severe thunderstorm will remain over mainly rural areas of
southwestern Dallam and northwestern Hartley Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
&&
LAT...LON 3627 10304 3628 10291 3593 10276 3592 10304
TIME...MOT...LOC 0257Z 359DEG 14KT 3611 10301
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
LFM089
WWUS54 KAMA 140327
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
1027 PM CDT Thu Jul 13 2023
TXC111-205-140337-
/O.EXP.KAMA.SV.W.0310.000000T0000Z-230714T0330Z/
Dallam TX-Hartley TX-
1027 PM CDT Thu Jul 13 2023
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DALLAM AND
NORTHWESTERN HARTLEY COUNTIES WILL EXPIRE AT 1030 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
the Panhandle of Texas.
LAT...LON 3627 10304 3628 10291 3593 10276 3592 10304
TIME...MOT...LOC 0327Z 358DEG 19KT 3597 10300
$$
LFMThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:12 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Donley | 46 min |
| Jul 13, 7:30 PM CDT | Special Weather Statement | AMA | Gray | 30 min |
| Jul 13, 7:56 PM CDT | Special Weather Statement | AMA | Gray | 34 min |
| Jul 13, 8:04 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 56 min |
| Jul 13, 8:45 PM CDT | Tornado Warning | AMA | Dallam | 45 min |
| Jul 13, 9:40 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Sherman | 65 min |
| Jul 13, 9:43 PM CDT | Special Weather Statement | AMA | Armstrong | 32 min |
| Jul 13, 10:26 PM CDT | Severe Thunderstorm Warning | AMA | Hartley | 41 min |
| Jul 13, 10:28 PM CDT | Special Weather Statement | AMA | Donley | 32 min |
| Jul 13, 10:39 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Sherman | 37 min |
| Jul 13, 10:45 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley | 60 min |
| Jul 13, 11:15 PM CDT | Special Weather Statement | AMA | Carson | 30 min |
| Jul 13, 11:29 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 45 min |
| Jul 14, 12:51 AM CDT | Special Weather Statement | AMA | Dallam | 24 min |
| Jul 14, 12:58 AM CDT | Severe Thunderstorm Warning | AMA | Dallam | 62 min |
| Jul 14, 1:20 AM CDT | Flash Flood Warning | AMA | Dallam | 115 min |
| Jul 14, 1:25 AM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Sherman | 65 min |
| Jul 14, 2:20 AM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hansford, Hartley, Hutchinson, Moore, Sherman | 40 min |
| Jul 14, 2:56 AM CDT | Special Weather Statement | AMA | Carson, Hutchinson, Potter | 49 min |
| Jul 14, 3:43 AM CDT | Special Weather Statement | AMA | Carson, Gray, Ochiltree, Roberts | 47 min |
| Jul 14, 3:45 AM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Roberts | 45 min |
| Jul 14, 4:00 AM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 28 min |
| Jul 14, 4:27 AM CDT | Special Weather Statement | AMA | Hemphill, Lipscomb | 63 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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.