Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 494
The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2003, 5:10 PM CDT for Beaver County, Texas County, Oklahoma; 24 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2003, 5:10 PM CDT (22:10 UTC)
- Expired
- Jun 9, 2003, 10:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 26 counties
Beaver County, OK, Texas County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hansford County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX
The radar
The Amarillo radar (KAMA), 35 km from the middle of the area, began a volume at 22:11 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.
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:04 PM CDT | Severe Thunderstorm Warning | LUB | Cochran | 41 min |
| Jun 9, 6:18 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 57 min |
| Jun 9, 6:34 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 41 min |
| Jun 9, 6:45 PM CDT | Severe Thunderstorm Warning | LUB | Cochran | 30 min |
| Jun 9, 6:50 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Lamb | 55 min |
| Jun 9, 6:53 PM CDT | Severe Thunderstorm Warning | LUB | Castro | 67 min |
| Jun 9, 7:04 PM CDT | Severe Thunderstorm Warning | AMA | Hansford | 56 min |
| Jun 9, 7:24 PM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 66 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.2 hours before the alert went out and 34 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
- 1737 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 317 m²/s²
- 0-3 km storm-relative helicity
- 342 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 4:50 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Custer and 13 more | 115 min |
| Jun 8, 8:45 PM CDT | Mesoscale Discussion | SPC | Brewster, Culberson, Jeff Davis, Pecos, Presidio, Reeves and 1 more | 90 min |
| Jun 9, 1:53 PM CDT | Mesoscale Discussion | SPC | Andrews, Bailey, Cochran, Crane, Culberson, Dawson and 16 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Every severe thunderstorm watch in 2003
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.