Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 77
The Storm Prediction Center issued this severe thunderstorm watch at Mar 25, 2003, 11:45 PM CST for 12 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2003, 11:45 PM CST (05:45 UTC)
- Expired
- Mar 26, 2003, 4:00 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Aransas County, TX, Brooks County, TX, Calhoun County, TX, Cameron County, TX, Hidalgo County, TX, Kenedy County, TX, Kleberg County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Starr County, TX, Willacy County, TX
The radar
The Corpus Christi radar (KCRP), 87 km from the middle of the area, began a volume at 05:47 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 12:00 AM CST | Severe Thunderstorm Warning | CRP | Nueces | 60 min |
| Mar 26, 12:35 AM CST | Severe Thunderstorm Warning | CRP | Aransas, Refugio, San Patricio | 55 min |
| Mar 26, 1:01 AM CST | Severe Thunderstorm Warning | CRP | Nueces | 29 min |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 5.8 hours before the alert went out and 86 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
- 1379 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 20 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 |
|---|---|---|---|---|
| Mar 25, 7:45 PM CST | Mesoscale Discussion | SPC | Angelina, Cherokee, Gregg, Harrison, Houston, Marion and 6 more | 2 hr |
| Mar 25, 8:45 PM CST | Severe Thunderstorm Watch | SPC | Anderson, Angelina, Atascosa, Austin, Bastrop, Bee and 57 more | 5 hr |
| Mar 25, 9:40 PM CST | Mesoscale Discussion | SPC | Angelina, Cherokee, Gregg, Harrison, Houston, Marion and 6 more | 2 hr |
| Mar 25, 10:09 PM CST | Mesoscale Discussion | SPC | Angelina, Cherokee, Gregg, Harrison, Houston, Marion and 6 more | 96 min |
| Mar 25, 11:25 PM CST | Mesoscale Discussion | SPC | Angelina, Cherokee, Gregg, Harrison, Houston, Marion and 6 more | 2 hr |
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.