Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 310, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 16, 2023, 10:53 AM CDT for Burnet County, Williamson County, Texas. It was in force for 52 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
- Sep 16, 2023, 10:53 AM CDT (15:53 UTC)
- Expired
- Sep 16, 2023, 11:45 AM CDT
- In force
- 52 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burnet County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 55 km from the middle of the area, began a volume at 15:53 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
Fort Worth, TX (KFWD), launched 12:00Z, 3.9 hours before the alert went out and 239 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
- 602 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
338
WUUS54 KEWX 161553
SVREWX
TXC053-491-161645-
/O.NEW.KEWX.SV.W.0310.230916T1553Z-230916T1645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
1053 AM CDT Sat Sep 16 2023
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Northwestern Williamson County in south central Texas...
Northern Burnet County in south central Texas...
* Until 1145 AM CDT.
* At 1052 AM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Kempner to near Sunnylane to
Burnet, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Cedar Park, Georgetown, Burnet, Bertram, Serenada, Leander, Liberty
Hill, Florence, Georgetown Dam, Watson, Oatmeal, Briggs, Sun City,
Lake Victor, Mahomet, Sunnylane, Joppa, Andice, Shady Grove, and
Seward Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3091 9783 3088 9767 3072 9767 3053 9782
3057 9792 3060 9792 3063 9795 3061 9800
3063 9801 3062 9801 3076 9834 3090 9823
3103 9820 3103 9791
TIME...MOT...LOC 1552Z 296DEG 30KT 3104 9807 3087 9811 3074 9821
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
QUIGLEY3 follow-up statements
277
WWUS54 KEWX 161608
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
1108 AM CDT Sat Sep 16 2023
TXC053-491-161645-
/O.CON.KEWX.SV.W.0310.000000T0000Z-230916T1645Z/
Williamson TX-Burnet TX-
1108 AM CDT Sat Sep 16 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR NORTHWESTERN WILLIAMSON AND NORTHEASTERN BURNET COUNTIES...
At 1107 AM CDT, severe thunderstorms were located along a line
extending from near Kempner to Joppa to Oatmeal, moving southeast at
35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Georgetown, Bertram, Serenada, Leander, Liberty Hill, Florence,
Georgetown Dam, Watson, Briggs, Sun City, Mahomet, Sunnylane, Joppa,
Andice, Shady Grove, and Seward Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3091 9783 3088 9767 3072 9767 3057 9779
3062 9787 3063 9789 3067 9795 3069 9799
3069 9801 3085 9820 3095 9814 3103 9811
3103 9791
TIME...MOT...LOC 1607Z 296DEG 30KT 3100 9797 3083 9801 3070 9811
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
QUIGLEY925
WWUS54 KEWX 161620
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
1120 AM CDT Sat Sep 16 2023
TXC053-491-161645-
/O.CON.KEWX.SV.W.0310.000000T0000Z-230916T1645Z/
Williamson TX-Burnet TX-
1120 AM CDT Sat Sep 16 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR NORTHWESTERN WILLIAMSON AND NORTHEASTERN BURNET COUNTIES...
At 1120 AM CDT, severe thunderstorms were located along a line
extending from near Briggs to Mahomet to near Oatmeal, moving east at
35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Georgetown, Serenada, Liberty Hill, Florence, Mahomet, Georgetown
Dam, Joppa, Watson, Andice, Briggs, and Sun City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3091 9783 3088 9767 3072 9767 3061 9777
3066 9785 3074 9797 3084 9809 3094 9804
3103 9802 3103 9791
TIME...MOT...LOC 1620Z 270DEG 30KT 3096 9788 3079 9792 3066 9802
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
QUIGLEY341
WWUS54 KEWX 161635
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
1135 AM CDT Sat Sep 16 2023
TXC053-491-161645-
/O.EXP.KEWX.SV.W.0310.000000T0000Z-230916T1645Z/
Williamson TX-Burnet TX-
1135 AM CDT Sat Sep 16 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WILLIAMSON AND
NORTHEASTERN BURNET COUNTIES WILL EXPIRE AT 1145 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
LAT...LON 3091 9783 3088 9767 3072 9767 3061 9777
3066 9785 3074 9797 3084 9809 3094 9804
3103 9802 3103 9791
TIME...MOT...LOC 1635Z 296DEG 30KT 3092 9779 3075 9783 3062 9793
$$
QUIGLEYThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 8:35 PM CDT | Special Weather Statement | EWX | Val Verde | 55 min |
| Sep 15, 8:58 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 33 min |
| Sep 15, 9:33 PM CDT | Special Weather Statement | EWX | Val Verde | 57 min |
| Sep 15, 10:49 PM CDT | Special Weather Statement | EWX | Frio | 26 min |
| Sep 15, 11:56 PM CDT | Special Weather Statement | EWX | Uvalde | 34 min |
| Sep 16, 12:26 AM CDT | Special Weather Statement | EWX | Real | 34 min |
| Sep 16, 12:37 AM CDT | Special Weather Statement | EWX | Uvalde | 23 min |
| Sep 16, 1:19 AM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 23 min |
| Sep 16, 1:41 AM CDT | Special Weather Statement | EWX | Uvalde | 34 min |
| Sep 16, 9:40 AM CDT | Special Weather Statement | EWX | Burnet, Llano | 50 min |
| Sep 16, 10:25 AM CDT | Special Weather Statement | EWX | Burnet | 50 min |
| Sep 16, 10:31 AM CDT | Special Weather Statement | EWX | Blanco, Llano | 44 min |
| Sep 16, 11:17 AM CDT | Special Weather Statement | EWX | Blanco | 43 min |
| Sep 16, 11:29 AM CDT | Special Weather Statement | EWX | Williamson | 31 min |
| Sep 16, 12:42 PM CDT | Special Weather Statement | EWX | Bastrop, Caldwell, Lee | 48 min |
| Sep 16, 1:01 PM CDT | Special Weather Statement | EWX | Guadalupe | 44 min |
| Sep 16, 1:29 PM CDT | Special Weather Statement | EWX | Fayette, Lee | 46 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2023Every severe thunderstorm warning in 2023
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.