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 13, 2021, 8:28 PM CDT for Comal County, Hays County, Texas. It was in force for 47 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 13, 2021, 8:28 PM CDT (01:28 UTC)
- Expired
- Oct 13, 2021, 9:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Austin/San Antonio, TX
- Hail
- 0.50 in
- Wind
- 40
- Spout
- Possible
Counties Comal County, TX, Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 33 km from the middle of the area, began a volume at 01:29 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 00:00Z, 1.5 hours before the alert went out and 263 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
- 1651 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 7.0
The text
As transmitted.
151
WWUS84 KEWX 140128
SPSEWX
Special Weather Statement
National Weather Service Austin/San Antonio TX
828 PM CDT Wed Oct 13 2021
TXZ189>192-205-206-140215-
Comal TX-Bexar TX-Blanco TX-Hays TX-Kendall TX-Travis TX-
828 PM CDT Wed Oct 13 2021
...Strong thunderstorms will impact portions of Hays, southwestern
Travis, southeastern Blanco, southeastern Kendall, north central
Bexar and Comal Counties through 915 PM CDT...
At 827 PM CDT, Doppler radar was tracking strong thunderstorms
capable of producing a landspout along a line extending from near
Henly to near Fischer to near Fair Oaks Ranch. Movement was east at
30 mph.
HAZARD...Landspouts, winds in excess of 40 mph, and half inch hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds
could knock down tree limbs and blow around unsecured
objects.
Locations impacted include...
Austin, New Braunfels, Schertz, Buda, Selma, Dripping Springs,
Wimberley, Tanglewood Forest, Canyon Lake Dam, Canyon Lake, Lakeway,
Fair Oaks Ranch, Bee Cave, Bulverde, Garden Ridge, West Lake Hills,
Woodcreek, Rollingwood, Bear Creek and Guadalupe River State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
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.
These storms 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.
If on or near Canyon Lake, get out of the water and move indoors or
inside a vehicle. Remember, lightning can strike out to 10 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 3032 9769 2965 9817 2960 9829 2973 9868
3033 9823
TIME...MOT...LOC 0127Z 259DEG 24KT 3025 9817 2996 9833 2973 9860
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.50 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 13, 7:44 PM CDT | Special Weather Statement | EWX | Kendall | 46 min |
| Oct 13, 7:53 PM CDT | Areal Flood Advisory | EWX | Bandera, Kendall, Kerr | 3 hr |
| Oct 13, 8:05 PM CDT | Tornado Warning | EWX | Blanco, Comal, Kendall | 25 min |
| Oct 13, 8:21 PM CDT | Special Weather Statement | EWX | Williamson | 39 min |
| Oct 13, 8:35 PM CDT | Areal Flood Advisory | EWX | Blanco | 3 hr |
| Oct 13, 8:55 PM CDT | Flash Flood Warning | EWX | Blanco, Kendall | 6 hr |
| Oct 13, 9:25 PM CDT | Areal Flood Advisory | EWX | Bexar, Comal, Hays | 3 hr |
| Oct 13, 9:49 PM CDT | Flash Flood Warning | EWX | Bexar, Comal | 3 hr |
| Oct 13, 9:55 PM CDT | Areal Flood Advisory | EWX | Travis | 3 hr |
| Oct 13, 10:24 PM CDT | Areal Flood Advisory | EWX | Williamson | 3 hr |
| Oct 13, 10:38 PM CDT | Areal Flood Advisory | EWX | Hays, Travis | 3 hr |
| Oct 13, 10:52 PM CDT | River Flood Warning | EWX | Blanco, Hays | 3 hr |
| Oct 13, 11:00 PM CDT | Flash Flood Warning | EWX | Hays | 6 hr |
| Oct 13, 11:49 PM CDT | Areal Flood Advisory | EWX | Bastrop, Travis, Williamson | 4 hr |
| Oct 13, 11:59 PM CDT | Areal Flood Advisory | EWX | Bexar, Caldwell, Comal, Guadalupe | 4 hr |
| Oct 14, 12:46 AM CDT | Flash Flood Warning | EWX | Caldwell, Comal, Guadalupe, Hays | 10 hr |
| Oct 14, 12:57 AM CDT | River Flood Warning | EWX | Hays | 4 hr |
| Oct 14, 1:04 AM CDT | Flash Flood Warning | EWX | Bexar, Comal | 4 hr |
| Oct 14, 1:11 AM CDT | Areal Flood Advisory | EWX | Caldwell, Gonzales, Guadalupe, Wilson | 3 hr |
| Oct 14, 1:50 AM CDT | River Flood Warning | EWX | Comal, Guadalupe | 7 hr |
| Oct 14, 2:04 AM CDT | Special Weather Statement | EWX | Gonzales | 41 min |
| Oct 14, 2:39 AM CDT | Special Weather Statement | EWX | Gonzales | 51 min |
| Oct 14, 2:48 AM CDT | Tornado Warning | EWX | Gonzales, Lavaca | 27 min |
| Oct 14, 3:11 AM CDT | River Flood Warning | EWX | Comal, Guadalupe | 4 hr |
| Oct 14, 3:17 AM CDT | Areal Flood Advisory | EWX | Bastrop, Fayette, Lee | 3 hr |
| Oct 14, 3:19 AM CDT | Tornado Warning | EWX | Gonzales, Lavaca | 26 min |
| Oct 14, 3:39 AM CDT | Tornado Warning | EWX | Fayette, Gonzales, Lavaca | 36 min |
| Oct 14, 3:42 AM CDT | Flash Flood Warning | EWX | Caldwell, Gonzales, Guadalupe, Karnes, Lavaca, Wilson | 7 hr |
| Oct 14, 4:13 AM CDT | River Flood Warning | EWX | Comal, Gonzales, Guadalupe | 3 hr |
| Oct 14, 4:24 AM CDT | Severe Thunderstorm Warning | EWX | Fayette, Gonzales, Lavaca | 66 min |
| Oct 14, 5:07 AM CDT | Flash Flood Warning | EWX | Fayette | 5 hr |
| Oct 14, 5:10 AM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 21 min |
| Oct 14, 5:36 AM CDT | River Flood Warning | EWX | Caldwell, Hays | 8 hr |
| Oct 14, 5:36 AM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 38 hr |
| Oct 14, 6:27 AM CDT | Flash Flood Warning | EWX | DeWitt, Karnes, Lavaca | 6 hr |
| Oct 14, 7:15 AM CDT | River Flood Warning | EWX | Travis | 6 hr |
| Oct 14, 7:19 AM CDT | River Flood Warning | EWX | Gonzales | 3 days |
| Oct 14, 7:52 AM CDT | River Flood Warning | EWX | Guadalupe | 3 hr |
| Oct 14, 8:23 AM CDT | River Flood Warning | EWX | Bexar | 7 hr |
| Oct 14, 8:28 AM CDT | River Flood Warning | EWX | Bexar | 21 hr |
| Oct 14, 8:28 AM CDT | River Flood Warning | EWX | Bexar, Wilson | 29 hr |
| Oct 14, 8:29 AM CDT | River Flood Warning | EWX | Bexar | 12 hr |
| Oct 14, 9:10 AM CDT | River Flood Warning | EWX | DeWitt | 3 days |
| Oct 14, 9:11 AM CDT | River Flood Warning | EWX | DeWitt | 5 days |
| Oct 14, 10:54 AM CDT | River Flood Warning | EWX | Karnes, Wilson | 33 hr |
| Oct 14, 10:55 AM CDT | River Flood Warning | EWX | Karnes | 45 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.