Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 6
The Storm Prediction Center issued this severe thunderstorm watch at Feb 15, 2003, 4:35 AM CST for 12 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2003, 4:35 AM CST (10:35 UTC)
- Expired
- Feb 15, 2003, 9:00 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Brooks County, TX, Cameron County, TX, Duval County, TX, Hidalgo County, TX, Jim Hogg County, TX, Jim Wells County, TX, Kenedy County, TX, Kleberg County, TX, Nueces County, TX, San Patricio County, TX, Starr County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 120 km from the middle of the area, began a volume at 10:34 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 4:52 AM CST | Severe Thunderstorm Warning | CRP | Duval | 53 min |
| Feb 15, 5:19 AM CST | Severe Thunderstorm Warning | BRO | Starr | 61 min |
| Feb 15, 5:22 AM CST | Severe Thunderstorm Warning | CRP | Jim Wells | 53 min |
| Feb 15, 5:40 AM CST | Severe Thunderstorm Warning | CRP | Kleberg, Nueces, San Patricio | 95 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 10.6 hours before the alert went out and 123 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
- 675 J/kg
- Mixed-layer CIN
- -235 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 6:57 PM CST | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Bowie and 43 more | 2 hr |
| Feb 14, 7:37 PM CST | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Bowie and 43 more | 113 min |
| Feb 14, 9:12 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bee, Bexar, Caldwell, Comal and 22 more | 2 hr |
| Feb 14, 10:16 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bastrop, Bee, Bell, Bexar and 40 more | 119 min |
| Feb 15, 12:31 AM CST | Mesoscale Discussion | SPC | Atascosa, Bexar, Brooks, Duval, Frio, Jim Hogg and 7 more | 119 min |
| Feb 15, 4:12 AM CST | Mesoscale Discussion | SPC | Refugio | 3 hr |
| Feb 15, 6:48 AM CST | Mesoscale Discussion | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 6 more | 87 min |
| Feb 15, 2:47 PM CST | Mesoscale Discussion | SPC | Atascosa, Bee, DeWitt, Goliad, Jim Wells, Karnes and 6 more | 118 min |
Nearby
Severe Thunderstorm Watches in Texas, 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.