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 Aug 2, 2021, 7:29 AM CDT for Bexar County, Texas. It was in force for 46 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
- Aug 2, 2021, 7:29 AM CDT (12:29 UTC)
- Expired
- Aug 2, 2021, 8:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Austin/San Antonio, TX
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 69 km from the middle of the area, began a volume at 12:32 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
Del Rio, TX (KDRT), launched 12:00Z, 0.5 hours before the alert went out and 205 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
- 241 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
760
WWUS84 KEWX 021229
SPSEWX
Special Weather Statement
National Weather Service Austin/San Antonio TX
729 AM CDT Mon Aug 2 2021
TXZ187-189-204>206-021315-
Comal TX-Bexar TX-Medina TX-Bandera TX-Kendall TX-
729 AM CDT Mon Aug 2 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MEDINA...
SOUTHEASTERN BANDERA...SOUTHWESTERN KENDALL...NORTHWESTERN BEXAR AND
WEST CENTRAL COMAL COUNTIES UNTIL 815 AM CDT...
At 729 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Fair Oaks Ranch to 6 miles southeast of
Kronkosky State Natural Area to near Mico. Movement was east at 20
mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
San Antonio, Boerne, Canyon Lake, Leon Valley, Helotes, Fair Oaks
Ranch, Bulverde, Shavano Park, Hollywood Park, Cross Mountain,
Smithson Valley, Bandera Falls, The Dominion, Mico, Government Canyon
State Natural Area, Pipe Creek, Sea World, Lakehills, Lackland AFB
and Cliff.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 2944 9902 2977 9898 2983 9879 2982 9826
2962 9846 2935 9862
TIME...MOT...LOC 1229Z 276DEG 18KT 2976 9868 2966 9882 2950 9890
$$
BRADYThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:53 PM CDT | Areal Flood Advisory | EWX | Bandera, Real | 3 hr |
| Aug 1, 11:02 PM CDT | Areal Flood Advisory | EWX | Kendall | 3 hr |
| Aug 2, 12:27 AM CDT | Areal Flood Advisory | EWX | Bastrop, Hays, Travis | 3 hr |
| Aug 2, 3:45 AM CDT | Areal Flood Advisory | EWX | Comal, Guadalupe, Hays | 4 hr |
| Aug 2, 3:53 AM CDT | Areal Flood Advisory | EWX | Edwards, Kinney | 4 hr |
| Aug 2, 4:09 AM CDT | Flash Flood Warning | EWX | Comal, Guadalupe | 4 hr |
| Aug 2, 4:13 AM CDT | Areal Flood Advisory | EWX | Uvalde | 4 hr |
| Aug 2, 5:41 AM CDT | Flash Flood Warning | EWX | Guadalupe | 4 hr |
| Aug 2, 5:45 AM CDT | Areal Flood Advisory | EWX | Bexar, Guadalupe, Wilson | 3 hr |
| Aug 2, 5:51 AM CDT | Areal Flood Advisory | EWX | Bandera, Real | 3 hr |
| Aug 2, 5:57 AM CDT | Areal Flood Advisory | EWX | Comal, Hays | 4 hr |
| Aug 2, 6:37 AM CDT | Areal Flood Advisory | EWX | Bandera, Kerr, Medina | 4 hr |
| Aug 2, 6:37 AM CDT | Flash Flood Warning | EWX | Comal | 5 hr |
| Aug 2, 6:52 AM CDT | Flash Flood Warning | EWX | Hays | 3 hr |
| Aug 2, 7:15 AM CDT | Areal Flood Advisory | EWX | Bandera, Bexar, Comal, Kendall, Kerr, Medina | 5 hr |
| Aug 2, 7:47 AM CDT | Flash Flood Warning | EWX | Bexar, Comal, Kendall | 4 hr |
| Aug 2, 8:13 AM CDT | Areal Flood Advisory | EWX | Kinney | 3 hr |
| Aug 2, 8:15 AM CDT | Areal Flood Advisory | EWX | Bastrop, Lee, Travis, Williamson | 5 hr |
| Aug 2, 8:18 AM CDT | Special Weather Statement | EWX | Bexar, Comal | 42 min |
| Aug 2, 8:26 AM CDT | Areal Flood Advisory | EWX | Bexar, Comal, Kendall | 4 hr |
| Aug 2, 8:36 AM CDT | Areal Flood Advisory | EWX | Bexar | 4 hr |
| Aug 2, 9:16 AM CDT | Areal Flood Advisory | EWX | Blanco, Hays, Travis | 3 hr |
| Aug 2, 10:25 AM CDT | Areal Flood Advisory | EWX | Kinney, Maverick, Uvalde, Zavala | 3 hr |
| Aug 2, 2:45 PM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Kerr, Real, Val Verde | 3 hr |
| Aug 2, 4:56 PM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 3 hr |
| Aug 2, 5:12 PM CDT | Areal Flood Advisory | EWX | Blanco, Hays | 3 hr |
| Aug 2, 6:19 PM CDT | Areal Flood Advisory | EWX | Caldwell, Hays, Travis | 2 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.