Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 194, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 19, 2023, 6:40 PM CDT for Llano County, Texas. It was in force for 65 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 19, 2023, 6:40 PM CDT (23:40 UTC)
- Expired
- May 19, 2023, 7:45 PM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Llano County, TX
The radar
The Ft Hood radar (KGRK), 124 km from the middle of the area, began a volume at 23:42 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 19, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 270 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
- 730 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1202 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 6:26 PM CDT, 14 minutes earlier.
Area forecast discussion, May 19, 6:26 PM CDT, 14 minutes before
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</html>Hazardous weather outlook, May 19, 3:33 PM CDT, 3 hours 7 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Austin/San Antonio TX 333 PM CDT Fri May 19 2023 TXZ171>173-183>194-202>209-217>225-228-202045- 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- 333 PM CDT Fri May 19 2023 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...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 10 PM this evening 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.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:36 PM CDT | Areal Flood Advisory | EWX | Dimmit | 3 hr |
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.