Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 355, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 13, 2023, 3:54 PM CDT for Dallam County, Hansford County, Sherman County, Texas; Cimarron County, Texas County, Oklahoma. It was in force for 78 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
- Aug 13, 2023, 3:54 PM CDT (20:54 UTC)
- Expired
- Aug 13, 2023, 5:12 PM CDT
- In force
- 78 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 139 km from the middle of the area, began a volume at 20:56 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
Dodge City, (KDDC), launched 12:00Z, 8.9 hours before the alert went out and 234 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
- 41 J/kg
- Mixed-layer CIN
- -250 J/kg
- Mixed-layer LCL
- 1295 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:29 PM CDT | Special Weather Statement | AMA | Gray | 46 min |
| Aug 12, 8:45 PM CDT | Special Weather Statement | AMA | Hemphill | 30 min |
| Aug 13, 3:21 PM CDT | Special Weather Statement | AMA | Dallam | 39 min |
| Aug 13, 3:28 PM CDT | Special Weather Statement | AMA | Donley | 47 min |
| Aug 13, 3:48 PM CDT | Special Weather Statement | AMA | Potter | 42 min |
| Aug 13, 4:08 PM CDT | Special Weather Statement | AMA | Donley, Wheeler | 52 min |
| Aug 13, 4:17 PM CDT | Special Weather Statement | AMA | Hutchinson | 28 min |
| Aug 13, 4:31 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley, Gray, Hemphill, Wheeler | 89 min |
| Aug 13, 4:41 PM CDT | Special Weather Statement | AMA | Potter | 34 min |
| Aug 13, 4:48 PM CDT | Special Weather Statement | AMA | Ochiltree | 42 min |
| Aug 13, 4:55 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 95 min |
| Aug 13, 5:10 PM CDT | Special Weather Statement | AMA | Hutchinson | 35 min |
| Aug 13, 5:19 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Hansford, Hutchinson, Moore, Ochiltree, Potter and 1 more | 86 min |
| Aug 13, 6:03 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Roberts, Wheeler | 87 min |
| Aug 13, 6:38 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham | 85 min |
| Aug 13, 6:48 PM CDT | Special Weather Statement | AMA | Gray, Wheeler | 42 min |
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.