Alert archive / Texas / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 221, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 17, 2008, 9:01 PM CDT for Hartley County, Oldham County, Texas. It was in force for 59 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 17, 2008, 9:01 PM CDT (02:01 UTC)
- Expired
- Aug 17, 2008, 10:00 PM CDT
- In force
- 59 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
Counties Hartley County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 92 km from the middle of the area, began a volume at 02:01 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 93 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
- 139 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 39 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 17, 6:11 PM CDT, 2 hours 50 minutes earlier.
Area forecast discussion, Aug 17, 6:11 PM CDT, 2 hours 50 minutes before
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</html>Hazardous weather outlook, Aug 17, 12:45 PM CDT, 8 hours 16 minutes before
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Special weather statement, Aug 17, 7:54 PM CDT, 1 hour 7 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 |
|---|---|---|---|---|
| Aug 17, 8:19 PM CDT | Areal Flood Advisory | AMA | Dallam, Hartley | 4 hr |
| Aug 17, 9:19 PM CDT | Areal Flood Advisory | AMA | Oldham | 4 hr |
| Aug 17, 9:55 PM CDT | River Flood Warning | AMA | Oldham, Potter | 17 hr |
| Aug 17, 9:56 PM CDT | Areal Flood Advisory | AMA | Deaf Smith | 4 hr |
| Aug 18, 12:34 AM CDT | Areal Flood Advisory | AMA | Potter, Randall | 4 hr |
| Aug 18, 8:37 AM CDT | Areal Flood Warning | AMA | Deaf Smith | 12 hr |
| Aug 18, 10:06 AM CDT | Areal Flood Advisory | AMA | Lipscomb | 6 hr |
| Aug 18, 10:14 AM CDT | Areal Flood Advisory | AMA | Ochiltree | 3 hr |
| Aug 18, 2:01 PM CDT | Areal Flood Advisory | AMA | Carson, Gray | 6 hr |
| Aug 18, 2:06 PM CDT | Flash Flood Warning | AMA | Lipscomb, Ochiltree | 4 hr |
| Aug 18, 3:07 PM CDT | Areal Flood Advisory | AMA | Armstrong | 3 hr |
| Aug 18, 3:18 PM CDT | Areal Flood Advisory | AMA | Hemphill, Roberts | 4 hr |
| Aug 18, 5:36 PM CDT | River Flood Warning | AMA | Armstrong, Randall | 2 hr |
| Aug 18, 5:58 PM CDT | Flash Flood Warning | AMA | Lipscomb, Ochiltree | 3 hr |
| Aug 18, 7:12 AM CDT | Areal Flood Advisory | AMA | Texas | 4 hr |
| Aug 18, 1:24 PM CDT | Areal Flood Advisory | AMA | Beaver | 6 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008
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.