Alert archive / Texas / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 19, NWS Austin/San Antonio, TX

March 15, 2024Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 15, 2024, 1:45 PM CDT for Bexar County, Texas. It was in force for 60 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: Mar 15, 2024, 1:45 PM CDT (18:45 UTC)
Expired: Mar 15, 2024, 2:45 PM CDT
In force: 60 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 55 km from the middle of the area, began a volume at 18:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 15, 1:36 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 6.8 hours before the alert went out and 223 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2261 J/kg
Mixed-layer CIN: -180 J/kg
Mixed-layer LCL: 678 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 17.8

Open this sounding in Storm Lab

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 Mar 15, 1:00 PM CDT, 45 minutes earlier.

Area forecast discussion, Mar 15, 1:00 PM CDT, 45 minutes before

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Hazardous weather outlook, Mar 15, 2:52 AM CDT, 10 hours 53 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
252 AM CDT Fri Mar 15 2024

TXZ171>173-183>194-202>209-217>225-228-160800-
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-
252 AM CDT Fri Mar 15 2024

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Today And Tonight.

Isolated to scattered strong to severe thunderstorms are possible
early this morning and this afternoon through tonight. There is a
Level 1 to 2 out of 5 risk for severe storms. An initial round of
thunderstorms is possible 4 to 10 AM. Thunderstorms redevelop
after 2 PM and continue through tonight. Large to very large hail
with stones greater than 2 inches and damaging winds gusts are the
main threats. There is also a potential for heavy rains with
robust rainfall rates that may cause flash flooding. There is a 1
to 2 out of 4 risk for these excessive rains.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Additional rounds of thunderstorms are expected this weekend with
a potential for strong to severe storms and heavy rains. There is
a level 1 out of 5 risk for severe storms and a 1 to 2 out of 4
risk for excessive rains. Large hail, damaging winds, and flooding
are the main threats.

.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
Mar 15, 6:47 AM CDT	Special Weather Statement	EWX	Travis	28 min
Mar 15, 7:26 AM CDT	Special Weather Statement	EWX	Lee	34 min
Mar 15, 10:23 AM CDT	Severe Thunderstorm Warning	EWX	Llano	22 min
Mar 15, 1:55 PM CDT	Severe Thunderstorm Warning	EWX	Fayette	65 min
Mar 15, 2:44 PM CDT	Special Weather Statement	EWX	Guadalupe	46 min
Mar 15, 2:55 PM CDT	Severe Thunderstorm Warning	EWX	Guadalupe, Wilson	31 min
Mar 15, 2:59 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales, Lavaca	61 min
Mar 15, 3:49 PM CDT	Severe Thunderstorm Warning	EWX	Lavaca	56 min
Mar 15, 4:10 PM CDT	Special Weather Statement	EWX	Kinney	35 min
Mar 15, 4:17 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney	29 min
Mar 15, 4:41 PM CDT	Severe Thunderstorm Warning	EWX	Lavaca	17 min
Mar 15, 4:44 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	39 min
Mar 15, 4:48 PM CDT	Special Weather Statement	EWX	Kinney	27 min
Mar 15, 5:00 PM CDT	Areal Flood Advisory	EWX	Kinney	3 hr
Mar 15, 5:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Kinney, Uvalde	39 min
Mar 15, 6:56 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	49 min

Nearby

Severe Thunderstorm Warnings in Texas, 2024 Every severe thunderstorm warning in 2024

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.