Alert archive / Texas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 206, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 29, 2020, 5:18 PM CDT for Dallam County, Texas; Cimarron County, Oklahoma. It was in force for 44 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 29, 2020, 5:18 PM CDT (22:18 UTC)
- Expired
- Aug 29, 2020, 6:02 PM CDT
- In force
- 44 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Cimarron County, OK, Dallam County, TX
The radar
The Amarillo radar (KAMA), 162 km from the middle of the area, began a volume at 22:21 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 |
|---|---|---|---|
| Aug 29, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.3 hours before the alert went out and 162 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
- 9 J/kg
- Mixed-layer CIN
- -536 J/kg
- Mixed-layer LCL
- 1920 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- -38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 29, 2:22 PM CDT, 2 hours 56 minutes earlier.
Area forecast discussion, Aug 29, 2:22 PM CDT, 2 hours 56 minutes before
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</html>Hazardous weather outlook, Aug 29, 4:09 PM CDT, 1 hour 9 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 409 PM CDT Sat Aug 29 2020 OKZ001>003-TXZ001>020-317-300915- 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- 409 PM CDT Sat Aug 29 2020 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Tonight. Thunderstorms will be possible across the Panhandles tonight. Thunderstorms may become strong to severe with hail, damaging winds, and locally heavy rain as the primary threats. Additionally, a tornado cannot be ruled out across the northwestern Texas Panhandle. A Severe Thunderstorm Watch is in effect until 10 PM CDT across the western Panhandles. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Thunderstorms will be possible Sunday through Wednesday afternoon across the Oklahoma and Texas Panhandles. Thunderstorms on each day could be strong to severe with hail and damaging wind gusts possible. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 10:30 PM CDT | Special Weather Statement | AMA | Dallam | 30 min |
| Aug 28, 11:30 PM CDT | Special Weather Statement | AMA | Sherman | 30 min |
| Aug 28, 11:45 PM CDT | Special Weather Statement | AMA | Sherman | 30 min |
| Aug 29, 6:08 PM CDT | Special Weather Statement | AMA | Dallam | 67 min |
| Aug 29, 6:47 PM CDT | Special Weather Statement | AMA | Oldham | 28 min |
| Aug 29, 6:55 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Moore, Oldham, Sherman | 65 min |
| Aug 28, 7:11 PM CDT | Special Weather Statement | AMA | Cimarron | 49 min |
| Aug 28, 7:29 PM CDT | Special Weather Statement | AMA | Cimarron | 46 min |
| Aug 28, 8:13 PM CDT | Special Weather Statement | AMA | Cimarron | 32 min |
| Aug 29, 12:26 AM CDT | Special Weather Statement | AMA | Texas | 34 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2020Severe Thunderstorm Warnings in Oklahoma, 2020Every 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.