Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 198, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 20, 2023, 12:42 AM CDT for Edwards County, Real County, Uvalde County, Texas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 20, 2023, 12:42 AM CDT (05:42 UTC)
- Expired
- May 20, 2023, 1:30 AM CDT
- In force
- 48 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Edwards County, TX, Real County, TX, Uvalde County, TX
The radar
The Laughlin AFB radar (KDFX), 59 km from the middle of the area, began a volume at 05:44 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 00:00Z, 5.7 hours before the alert went out and 94 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
- 1482 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1777 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 19, 9:04 PM CDT, 3 hours 38 minutes earlier.
Area forecast discussion, May 19, 9:04 PM CDT, 3 hours 38 minutes before
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</html>Hazardous weather outlook, May 19, 10:30 PM CDT, 2 hours 12 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Austin/San Antonio TX 1030 PM CDT Fri May 19 2023 TXZ171>173-183>194-202>209-217>225-228-210330- Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde- Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala- Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit- 1030 PM CDT Fri May 19 2023 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...Today And Tonight. There is a level 2 out of 5 risk for strong to severe storms from late this afternoon through tonight across the Edwards Plateau, Hill Country, and I-35 corridor. Large hail and damaging wind gusts are the main severe threats. In addition, locally heavy rainfall and isolated flooding is possible. A Severe Thunderstorm Watch is in effect until midnight for most of the locations mentioned above. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. There is a level 1 out of 5 risk for strong to severe storms and locally heavy rainfall across the Rio Grande Plains on Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
In the hours before
Special weather statement, May 19, 11:43 PM CDT, 59 minutes before
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Special Weather Statement
National Weather Service Austin/San Antonio TX
1215 AM CDT Sat May 20 2023
TXZ184-185-200600-
Edwards TX-Real TX-
1215 AM CDT Sat May 20 2023
...A strong thunderstorm will impact portions of south central
Edwards and southwestern Real Counties through 100 AM CDT...
At 1215 AM CDT, Doppler radar was tracking a strong thunderstorm 12
miles west of Barksdale, or 15 miles south of Rocksprings, moving
southeast at 10 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Camp Wood, Vance and Barksdale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm 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.
&&
LAT...LON 2993 9976 2962 9989 2962 10010 2971 10041
2995 10021
TIME...MOT...LOC 0515Z 303DEG 9KT 2979 10023
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
BRADYSpecial weather statement, May 20, 12:26 AM CDT, 16 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
1226 AM CDT Sat May 20 2023
TXZ205-200615-
Bexar TX-
1226 AM CDT Sat May 20 2023
...A strong thunderstorm will impact portions of northwestern Bexar
County through 115 AM CDT...
At 1226 AM CDT, Doppler radar was tracking a strong thunderstorm over
Government Canyon State Natural Area, or 12 miles south of Boerne,
moving southeast at 15 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
San Antonio, San Antonio Int Airport, Leon Valley, Helotes, Fair Oaks
Ranch, Shavano Park, Hollywood Park, Cross Mountain, Lackland AFB,
Leon Springs, The Dominion, Government Canyon State Natural Area, Sea
World, Timberwood Park, Castle Hills, Balcones Heights, Hill Country
Village, Grey Forest, San Geronimo and Fiesta Texas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm 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.
&&
LAT...LON 2951 9880 2962 9881 2974 9870 2974 9867
2964 9839 2935 9862
TIME...MOT...LOC 0526Z 304DEG 15KT 2960 9874
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
BRADYSpecial weather statement, May 20, 12:41 AM CDT, 1 minute before
Special Weather Statement
National Weather Service Austin/San Antonio TX
1241 AM CDT Sat May 20 2023
TXZ228-200630-
Dimmit TX-
1241 AM CDT Sat May 20 2023
...A strong thunderstorm will impact portions of western Dimmit
County through 130 AM CDT...
At 1238 AM CDT, Doppler radar was tracking a strong thunderstorm 14
miles southwest of Carrizo Springs, with another strong thunderstorm
located 19 miles southwest of Asherton. Both storms are moving
northeast around 10 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Gilson Groves.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm 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.
&&
LAT...LON 2845 10011 2857 9992 2820 9968 2820 10011
TIME...MOT...LOC 0538Z 229DEG 10KT 2838 10003
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
PLATTThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:37 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Llano | 68 min |
| May 19, 7:49 PM CDT | Areal Flood Advisory | EWX | Llano | 4 hr |
| May 19, 8:37 PM CDT | Special Weather Statement | EWX | Blanco | 38 min |
| May 19, 9:25 PM CDT | Special Weather Statement | EWX | Gillespie | 50 min |
| May 19, 9:28 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie | 50 min |
| May 19, 10:40 PM CDT | Special Weather Statement | EWX | Blanco | 50 min |
| May 19, 10:41 PM CDT | Areal Flood Advisory | EWX | Blanco, Gillespie, Llano | 4 hr |
| May 19, 11:13 PM CDT | Special Weather Statement | EWX | Kendall | 47 min |
| May 19, 11:43 PM CDT | Special Weather Statement | EWX | Dimmit | 47 min |
| May 20, 12:04 AM CDT | Special Weather Statement | EWX | Kendall | 41 min |
| May 20, 12:12 AM CDT | Special Weather Statement | EWX | Kerr | 48 min |
| May 20, 12:12 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Kendall, Kerr | 35 min |
| May 20, 12:15 AM CDT | Special Weather Statement | EWX | Real | 45 min |
| May 20, 12:26 AM CDT | Special Weather Statement | EWX | Bexar | 49 min |
| May 20, 12:41 AM CDT | Special Weather Statement | EWX | Dimmit | 49 min |
| May 20, 12:45 AM CDT | Special Weather Statement | EWX | Bandera, Kerr | 60 min |
| May 20, 1:04 AM CDT | Special Weather Statement | EWX | Bexar | 41 min |
| May 20, 1:13 AM CDT | Severe Thunderstorm Warning | EWX | Bandera | 19 min |
| May 20, 1:23 AM CDT | Severe Thunderstorm Warning | EWX | Real, Uvalde | 67 min |
| May 20, 1:36 AM CDT | Special Weather Statement | EWX | Medina | 54 min |
| May 20, 1:41 AM CDT | Areal Flood Advisory | EWX | Bexar | 5 hr |
| May 20, 1:57 AM CDT | Areal Flood Advisory | EWX | Medina | 3 hr |
| May 20, 2:08 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio, Medina | 43 min |
| May 20, 2:26 AM CDT | Flash Flood Warning | EWX | Medina | 5 hr |
| May 20, 2:39 AM CDT | Areal Flood Advisory | EWX | Uvalde | 3 hr |
| May 20, 2:43 AM CDT | Special Weather Statement | EWX | Atascosa | 47 min |
| May 20, 2:53 AM CDT | Special Weather Statement | EWX | Medina | 37 min |
| May 20, 3:03 AM CDT | Areal Flood Advisory | EWX | Atascosa, Bexar, Frio, Medina | 3 hr |
| May 20, 3:26 AM CDT | Areal Flood Advisory | EWX | Kinney, Uvalde, Zavala | 3 hr |
| May 20, 3:34 AM CDT | Flash Flood Warning | EWX | Atascosa, Frio, Medina | 3 hr |
| May 20, 4:32 AM CDT | Special Weather Statement | EWX | Atascosa, Karnes, Wilson | 58 min |
| May 20, 4:48 AM CDT | Areal Flood Advisory | EWX | Atascosa | 3 hr |
| May 20, 7:22 AM CDT | Special Weather Statement | EWX | Kinney | 38 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.