Alert archive / Texas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 800
The Storm Prediction Center issued this severe thunderstorm watch at Dec 23, 2002, 3:35 PM CST for 28 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 23, 2002, 3:35 PM CST (21:35 UTC)
- Expired
- Dec 23, 2002, 8:00 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bee County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, La Salle County, TX, Live Oak County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Wilson County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 104 km from the middle of the area, began a volume at 21:38 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 4:49 PM CST | Severe Thunderstorm Warning | EWX | Real | 56 min |
| Dec 23, 5:06 PM CST | Tornado Warning | EWX | Kerr | 24 min |
| Dec 23, 5:12 PM CST | Tornado Warning | EWX | Kerr | 18 min |
| Dec 23, 5:23 PM CST | Severe Thunderstorm Warning | EWX | Kerr | 52 min |
| Dec 23, 5:26 PM CST | Severe Thunderstorm Warning | EWX | Medina | 64 min |
| Dec 23, 5:43 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 62 min |
| Dec 23, 6:03 PM CST | Severe Thunderstorm Warning | EWX | Bastrop | 42 min |
| Dec 23, 6:17 PM CST | Tornado Warning | CRP | La Salle | 28 min |
| Dec 23, 6:17 PM CST | Flash Flood Warning | EWX | Bastrop | 3 hr |
| Dec 23, 6:20 PM CST | Tornado Warning | CRP | La Salle | 25 min |
| Dec 23, 6:39 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 51 min |
| Dec 23, 6:43 PM CST | Severe Thunderstorm Warning | EWX | Comal | 47 min |
| Dec 23, 6:45 PM CST | Tornado Warning | CRP | La Salle, McMullen | 45 min |
| Dec 23, 6:50 PM CST | Severe Thunderstorm Warning | EWX | Wilson | 40 min |
| Dec 23, 6:53 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe | 52 min |
| Dec 23, 7:24 PM CST | Tornado Warning | CRP | Live Oak | 36 min |
| Dec 23, 7:26 PM CST | Severe Thunderstorm Warning | EWX | Caldwell, Gonzales | 49 min |
| Dec 23, 7:40 PM CST | Severe Thunderstorm Warning | EWX | DeWitt, Karnes | 50 min |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.6 hours before the alert went out and 158 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
- 122 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 5:00 AM CST | Tornado Watch | SPC | Atascosa, Austin, Bastrop, Bee, Bexar, Brazos and 37 more | 5 hr |
| Dec 23, 9:45 AM CST | Tornado Watch | SPC | Angelina, Austin, Bastrop, Brazoria, Brazos, Burleson and 29 more | 5 hr |
| Dec 23, 2:10 PM CST | Tornado Watch | SPC | Angelina, Austin, Bastrop, Brazos, Burleson, Chambers and 31 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2002Every severe thunderstorm watch in 2002
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.