Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 20
The Storm Prediction Center issued this severe thunderstorm watch at Feb 15, 2001, 9:15 PM CST for 21 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2001, 9:15 PM CST (03:15 UTC)
- Expired
- Feb 16, 2001, 2:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 21 counties
Bandera County, TX, Bexar County, TX, Blanco County, TX, Caldwell County, TX, Comal County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 9:20 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 25 min |
| Feb 15, 10:07 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 38 min |
| Feb 15, 10:29 PM CST | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Val Verde | 46 min |
| Feb 15, 11:08 PM CST | Severe Thunderstorm Warning | EWX | Real, Uvalde | 52 min |
| Feb 15, 11:35 PM CST | Severe Thunderstorm Warning | EWX | Bandera, Real, Uvalde | 55 min |
| Feb 15, 11:35 PM CST | Severe Thunderstorm Warning | EWX | Kerr | 55 min |
| Feb 16, 12:30 AM CST | Severe Thunderstorm Warning | EWX | Gillespie, Kendall, Kerr | 45 min |
| Feb 16, 12:45 AM CST | Severe Thunderstorm Warning | EWX | Bandera, Kendall, Kerr | 45 min |
| Feb 16, 12:45 AM CST | Severe Thunderstorm Warning | EWX | Medina | 45 min |
| Feb 16, 1:15 AM CST | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Medina | 45 min |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.3 hours before the alert went out and 130 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
- 616 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 2:00 AM CST | Severe Thunderstorm Watch | SPC | Anderson, Angelina, Austin, Brazos, Burleson, Cherokee and 23 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2001Every severe thunderstorm watch in 2001
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.