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Home Return to list Severe Thunderstorm Warning 0116 Issued by the Austin / San Antonio Forecast Office
Action: New Issued At: 2026-05-21 18:11:07
192
WUUS54 KEWX 212310
SVREWX
TXC491-220000-
/O.NEW.KEWX.SV.W.0116.260521T2310Z-260522T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
610 PM CDT Thu May 21 2026
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Central Williamson County in south central Texas...
* Until 700 PM CDT.
* At 610 PM CDT, a severe thunderstorm was located near Weir, or 7
miles east of Serenada, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Round Rock, Georgetown, Granger, Serenada, Bartlett, Jarrell, Weir,
Georgetown Dam, Sun City, Theon, Walburg, Schwertner, and Jonah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3077 9737 3077 9736 3056 9764 3069 9779
3087 9761
TIME...MOT...LOC 2310Z 223DEG 20KT 3073 9759
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CJM
Action: Continued Issued At: 2026-05-21 18:26:07
630
WWUS54 KEWX 212325
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
625 PM CDT Thu May 21 2026
TXC491-220000-
/O.CON.KEWX.SV.W.0116.000000T0000Z-260522T0000Z/
Williamson TX-
625 PM CDT Thu May 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTH CENTRAL WILLIAMSON COUNTY...
At 625 PM CDT, a severe thunderstorm was located near Weir, or 7
miles east of Serenada, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Georgetown, Granger, Serenada, Bartlett, Jarrell, Weir, Theon, Jonah,
Walburg, and Schwertner.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3077 9737 3077 9736 3061 9757 3072 9770
3087 9761
TIME...MOT...LOC 2325Z 226DEG 18KT 3073 9757
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CJM
Action: Cancelled Issued At: 2026-05-21 18:46:08
310
WWUS54 KEWX 212345
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
645 PM CDT Thu May 21 2026
TXC491-212355-
/O.CAN.KEWX.SV.W.0116.000000T0000Z-260522T0000Z/
Williamson TX-
645 PM CDT Thu May 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WILLIAMSON
COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail and
heavy rain are still possible with this thunderstorm.
LAT...LON 3077 9737 3077 9736 3061 9757 3072 9770
3087 9761
TIME...MOT...LOC 2342Z 223DEG 20KT 3081 9748
$$
CJM
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