Alert archive / Texas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 531
The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2004, 3:45 PM CDT for 13 counties in Oklahoma; 15 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2004, 3:45 PM CDT (20:45 UTC)
- Expired
- Jul 1, 2004, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Dickens County, TX, Donley County, TX, Foard County, TX, Hall County, TX, Hardeman County, TX, Hemphill County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Motley County, TX, Wheeler County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 118 km from the middle of the area, began a volume at 20:45 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 5:37 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 53 min |
| Jul 1, 5:54 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 66 min |
| Jul 1, 6:28 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 62 min |
| Jul 1, 6:34 PM CDT | Severe Thunderstorm Warning | LUB | Childress | 56 min |
| Jul 1, 7:02 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 58 min |
| Jul 1, 7:29 PM CDT | Severe Thunderstorm Warning | LUB | Childress | 61 min |
| Jul 1, 7:30 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 60 min |
| Jul 1, 8:09 PM CDT | Severe Thunderstorm Warning | LUB | King | 66 min |
| Jul 1, 8:30 PM CDT | Severe Thunderstorm Warning | LUB | Childress | 60 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, 8.8 hours before the alert went out and 150 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
- 177 J/kg
- Mixed-layer CIN
- -318 J/kg
- Mixed-layer LCL
- 2377 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 3:14 PM CDT | Mesoscale Discussion | SPC | Beckham, Comanche, Cotton, Greer, Harmon, Jackson and 2 more | 3 hr |
| Jul 1, 5:56 PM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2004Severe Thunderstorm Watches in Oklahoma, 2004Every severe thunderstorm watch in 2004
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.