Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 400
The Storm Prediction Center issued this severe thunderstorm watch at May 16, 2003, 10:30 PM CDT for 21 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 16, 2003, 10:30 PM CDT (03:30 UTC)
- Expired
- May 17, 2003, 3:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 21 counties
Austin County, TX, Bastrop County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Colorado County, TX, DeWitt County, TX, Fayette County, TX, Fort Bend County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Lavaca County, TX, Lee County, TX, Montgomery County, TX, San Jacinto County, TX, Travis County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 95 km from the middle of the area, began a volume at 03:30 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 |
|---|---|---|---|---|
| May 16, 10:53 PM CDT | Severe Thunderstorm Warning | HGX | San Jacinto, Walker | 52 min |
| May 16, 10:55 PM CDT | Severe Thunderstorm Warning | EWX | Lee | 65 min |
| May 16, 11:01 PM CDT | Severe Thunderstorm Warning | HGX | Grimes | 44 min |
| May 16, 11:11 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 49 min |
| May 16, 11:16 PM CDT | Severe Thunderstorm Warning | HGX | Washington | 44 min |
| May 16, 11:27 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 63 min |
| May 17, 12:05 AM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 25 min |
| May 17, 12:15 AM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 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
Corpus Christi, TX (KCRP), launched 00:00Z, 3.5 hours before the alert went out and 217 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
- 3614 J/kg
- Mixed-layer CIN
- -201 J/kg
- Mixed-layer LCL
- 1334 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Angelina, Brazos, Burleson, Grimes, Houston, Jasper and 11 more | 4 hr |
| May 16, 8:14 PM CDT | Mesoscale Discussion | SPC | Panola, Shelby | 2 hr |
| May 16, 10:22 PM CDT | Mesoscale Discussion | SPC | Bastrop, Brazos, Burleson, Caldwell, Comal, Fayette and 14 more | 113 min |
| May 17, 1:17 AM CDT | Mesoscale Discussion | SPC | Colorado, DeWitt, Fort Bend, Gonzales, Lavaca, Wharton and 1 more | 58 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.