Alert archive / Texas / Tornado Warnings in 2021
Tornado Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Mar 23, 2021, 1:06 AM CDT for Comal County, Guadalupe County, Hays County, Texas. It was in force for 24 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 23, 2021, 1:06 AM CDT (06:06 UTC)
- Expired
- Mar 23, 2021, 1:30 AM CDT
- In force
- 24 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Comal County, TX, Guadalupe County, TX, Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 21 km from the middle of the area, began a volume at 06:06 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 23, 1:29 AM CDT | HAIL 2 | 7 Nne New Braunfels, TX | |
| Mar 23, 1:30 AM CDT | HAIL 1.75 | 7 Wnw Zorn, TX | NWS EMPLOYEE REPORTED GOLF BALL SIZED HAIL JUST TO THE NORTHEAST OF NEW BRAUNFELS. |
| Mar 23, 1:31 AM CDT | HAIL 0.75 | 3 Wnw San Marcos, TX | REPORT FROM MPING DIME (0.75 IN.) HAIL NEAR SAN MARCOS. |
| Mar 23, 1:34 AM CDT | HAIL 1 | San Marcos, TX | REPORT FROM MPING NEAR TEXAS STATE UNIVERSITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 22, 11:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.1 hours before the alert went out and 251 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
- 59 J/kg
- Mixed-layer CIN
- -468 J/kg
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
991
WFUS54 KEWX 230606
TOREWX
TXC091-187-209-230630-
/O.NEW.KEWX.TO.W.0002.210323T0606Z-210323T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
106 AM CDT Tue Mar 23 2021
The National Weather Service in Austin San Antonio has issued a
* Tornado Warning for...
Southwestern Hays County in south central Texas...
North central Guadalupe County in south central Texas...
Northeastern Comal County in south central Texas...
* Until 130 AM CDT.
* At 105 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Canyon Lake, or 8 miles west of Canyon Lake Dam,
moving east at 40 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
New Braunfels, San Marcos, Kyle, Wimberley, Canyon Lake Dam, Canyon
Lake, Zorn, Hunter, Startzville, Sattler and Redwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2996 9787 2972 9794 2982 9831 2989 9834
2996 9828
TIME...MOT...LOC 0605Z 283DEG 35KT 2989 9833
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
EW1 follow-up statement
966
WWUS54 KEWX 230629
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
129 AM CDT Tue Mar 23 2021
TXC091-187-209-230637-
/O.EXP.KEWX.TO.W.0002.000000T0000Z-210323T0630Z/
Hays TX-Guadalupe TX-Comal TX-
129 AM CDT Tue Mar 23 2021
...THE TORNADO WARNING FOR SOUTHWESTERN HAYS...NORTH CENTRAL
GUADALUPE AND NORTHEASTERN COMAL COUNTIES WILL EXPIRE AT 130 AM
CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire. However hail and
gusty winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central Texas.
Remember, a Severe Thunderstorm Warning still remains in effect for
Comal, Hays, and Guadalupe County until 230 AM.
LAT...LON 2996 9787 2972 9794 2982 9831 2989 9834
2996 9828
TIME...MOT...LOC 0627Z 283DEG 35KT 2984 9810
$$
EWThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 8:32 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 58 min |
| Mar 22, 9:02 PM CDT | Special Weather Statement | EWX | Blanco, Gillespie, Llano | 43 min |
| Mar 22, 9:14 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano, Williamson | 61 min |
| Mar 22, 9:16 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Llano | 59 min |
| Mar 22, 9:58 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 62 min |
| Mar 22, 10:05 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Blanco, Comal, Kendall, Kerr | 55 min |
| Mar 22, 10:11 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Hays, Travis | 64 min |
| Mar 22, 10:26 PM CDT | Tornado Warning | EWX | Williamson | 27 min |
| Mar 22, 10:34 PM CDT | Special Weather Statement | EWX | Gillespie | 41 min |
| Mar 22, 10:56 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 41 min |
| Mar 22, 10:57 PM CDT | Special Weather Statement | EWX | Comal, Hays, Kendall | 48 min |
| Mar 22, 11:02 PM CDT | Special Weather Statement | EWX | Travis | 58 min |
| Mar 22, 11:31 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Edwards, Medina, Real, Uvalde | 59 min |
| Mar 22, 11:34 PM CDT | Special Weather Statement | EWX | Bandera, Kendall, Kerr | 41 min |
| Mar 22, 11:44 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Gillespie, Kendall, Kerr, Medina | 61 min |
| Mar 22, 11:55 PM CDT | Special Weather Statement | EWX | Bastrop | 65 min |
| Mar 23, 12:25 AM CDT | Special Weather Statement | EWX | Lee | 65 min |
| Mar 23, 12:25 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 65 min |
| Mar 23, 12:35 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Blanco, Comal, Hays, Kendall and 1 more | 55 min |
| Mar 23, 1:13 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Comal, Guadalupe, Kendall, Medina and 1 more | 62 min |
| Mar 23, 1:19 AM CDT | Special Weather Statement | EWX | Medina | 41 min |
| Mar 23, 1:26 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Comal, Gonzales, Guadalupe, Hays and 1 more | 64 min |
| Mar 23, 1:48 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Frio, Medina | 34 min |
| Mar 23, 1:58 AM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Guadalupe | 32 min |
| Mar 23, 2:13 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Gonzales, Guadalupe, Karnes, Wilson | 26 min |
| Mar 23, 2:16 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lavaca and 1 more | 59 min |
| Mar 23, 3:03 AM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca | 33 min |
| Mar 23, 3:43 AM CDT | Special Weather Statement | EWX | DeWitt, Lavaca | 47 min |
| Mar 23, 4:07 AM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 38 min |
Nearby
Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.