Alert archive / Texas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 716
The Storm Prediction Center issued this severe thunderstorm watch at Aug 6, 2004, 4:05 PM CDT for 25 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2004, 4:05 PM CDT (21:05 UTC)
- Expired
- Aug 6, 2004, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Deaf Smith County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX
The radar
The Lubbock radar (KLBB), 79 km from the middle of the area, began a volume at 21:07 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 |
|---|---|---|---|---|
| Aug 6, 6:02 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 58 min |
| Aug 6, 6:50 PM CDT | Severe Thunderstorm Warning | LUB | Hale | 40 min |
| Aug 6, 7:25 PM CDT | Severe Thunderstorm Warning | LUB | Lubbock | 65 min |
| Aug 6, 7:27 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 63 min |
| Aug 6, 7:35 PM CDT | Severe Thunderstorm Warning | LUB | Hale | 40 min |
| Aug 6, 8:07 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 53 min |
| Aug 6, 8:54 PM CDT | Severe Thunderstorm Warning | LUB | Lubbock | 21 min |
| Aug 6, 8:59 PM CDT | Severe Thunderstorm Warning | LUB | Lynn | 61 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, 9.1 hours before the alert went out and 128 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
- 489 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 2:40 PM CDT | Mesoscale Discussion | SPC | Bailey, Castro, Deaf Smith, Hale, Hartley, Lamb and 3 more | 2 hr |
| Aug 6, 6:29 PM CDT | Mesoscale Discussion | SPC | Armstrong, Bailey, Briscoe, Castro, Cochran, Crosby and 10 more | 61 min |
Nearby
Severe Thunderstorm Watches in Texas, 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.