Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this special weather statement at Oct 12, 2021, 4:11 PM CDT for Gonzales County, Texas. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 12, 2021, 4:11 PM CDT (21:11 UTC)
- Expired
- Oct 12, 2021, 5:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Austin/San Antonio, TX
- Hail
- 0.75 in
- Wind
- 40
County Gonzales County, TX
The radar
The Austin/San Antonio radar (KEWX), 44 km from the middle of the area, began a volume at 21:12 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.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 9.2 hours before the alert went out and 202 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
- 3001 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 8.3
The text
As transmitted.
710
WWUS84 KEWX 122111
SPSEWX
Special Weather Statement
National Weather Service Austin/San Antonio TX
411 PM CDT Tue Oct 12 2021
TXZ207-223-122200-
Guadalupe TX-Gonzales TX-
411 PM CDT Tue Oct 12 2021
...A strong thunderstorm will impact portions of east central
Guadalupe and central Gonzales Counties through 500 PM CDT...
At 411 PM CDT, Doppler radar was tracking a strong thunderstorm near
Smiley, or 17 miles east of Stockdale, moving northeast at 30 mph.
HAZARD...Winds in excess of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Gonzales, Luling, Nixon, Smiley, Palmeto State Park, Leesville, Oak
Forest, Belmont, Wrightsboro, Cost, Ottine, Hamon, Bebe and
Monthalia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 2918 9769 2932 9782 2967 9770 2967 9765
2966 9765 2966 9764 2964 9763 2964 9760
2963 9759 2964 9758 2945 9724
TIME...MOT...LOC 2111Z 213DEG 26KT 2933 9769
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
$$
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 3:34 AM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 54 hr |
Nearby
Special Weather Statements in Texas, 2021Every special weather statement in 2021
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.