Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 291
The Storm Prediction Center issued this severe thunderstorm watch at May 25, 2001, 11:45 PM CDT for 14 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 25, 2001, 11:45 PM CDT (04:45 UTC)
- Expired
- May 26, 2001, 3:00 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
Counties Atascosa County, TX, Bee County, TX, Bexar County, TX, Dimmit County, TX, Frio County, TX, Guadalupe County, TX, Karnes County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Medina County, TX, Uvalde County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 102 km from the middle of the area, began a volume at 04:49 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 12:08 AM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 67 min |
| May 26, 1:53 AM CDT | Severe Thunderstorm Warning | CRP | La Salle | 67 min |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 4.8 hours before the alert went out and 192 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
- 1852 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.5
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 |
|---|---|---|---|---|
| May 25, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Bailey, Borden, Cochran, Coke, Cottle and 27 more | 5 hr |
| May 26, 5:30 PM CDT | Tornado Watch | SPC | Borden, Briscoe, Callahan, Castro, Childress, Coke and 27 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; radar from the NEXRAD Level II archive.