Alert archive / Texas / Special Weather Statements in 2020

Special Weather Statement, NWS Austin/San Antonio, TX

May 24, 2020Williamson County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at May 24, 2020, 2:13 PM CDT for Williamson County, Texas. It was in force for 47 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: May 24, 2020, 2:13 PM CDT (19:13 UTC)
Expired: May 24, 2020, 3:00 PM CDT
In force: 47 min
Issued by: NWS Austin/San Antonio, TX

County Williamson County, TX

The radar

The Ft Hood radar (KGRK), 28 km from the middle of the area, began a volume at 19:15 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, 7.2 hours before the alert went out and 257 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: 1546 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 24, 1:45 PM CDT, 28 minutes earlier.

Area forecast discussion, May 24, 1:45 PM CDT, 28 minutes before

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Hazardous weather outlook, May 24, 3:22 AM CDT, 10 hours 51 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
322 AM CDT Sun May 24 2020

TXZ171>173-183>194-202>209-217>225-228-250830-
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-
322 AM CDT Sun May 24 2020

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

.DAY ONE...Today And Tonight.

There is a slight risk of severe thunderstorms late this afternoon
through tonight. Hail in excess of 1 inch (perhaps as large as 2
inches west of a line from Rock Springs to Eagle Pass) and
damaging wind gusts as well as locally heavy rain potentially
leading to minor flooding impacts are all possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Rain chances continue through Tuesday. Strong storms and locally
heavy rainfall will return to the forecast on Monday night into
Tuesday. Although Wednesday looks less wet, shower and
thunderstorm chances will remain in the forecast Thursday into
next weekend and concerns for flooding may return.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later today through tonight and
again Monday night.

In the hours before

Special weather statement, May 24, 2:13 PM CDT, 0 minutes before

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The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 7:16 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	44 min
May 23, 7:57 PM CDT	Severe Thunderstorm Warning	EWX	Uvalde, Zavala	48 min
May 23, 8:09 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	66 min
May 23, 8:41 PM CDT	Special Weather Statement	EWX	Medina, Uvalde	64 min
May 23, 9:05 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina, Uvalde	40 min
May 23, 9:09 PM CDT	Areal Flood Advisory	EWX	Dimmit, Maverick, Zavala	3 hr
May 23, 9:45 PM CDT	Special Weather Statement	EWX	Bexar, Comal	60 min
May 23, 10:10 PM CDT	Special Weather Statement	EWX	Maverick, Zavala	65 min
May 23, 10:25 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	30 min
May 23, 11:21 PM CDT	Special Weather Statement	EWX	Zavala	39 min
May 23, 11:46 PM CDT	Special Weather Statement	EWX	Uvalde, Zavala	44 min
May 24, 12:29 AM CDT	Special Weather Statement	EWX	Frio	46 min
May 24, 12:48 AM CDT	Special Weather Statement	EWX	Dimmit	42 min
May 24, 1:19 AM CDT	Special Weather Statement	EWX	Frio	41 min
May 24, 1:21 AM CDT	Special Weather Statement	EWX	Dimmit	39 min
May 24, 1:47 AM CDT	Special Weather Statement	EWX	Dimmit	43 min
May 24, 3:32 PM CDT	Special Weather Statement	EWX	Williamson	43 min
May 24, 3:45 PM CDT	Special Weather Statement	EWX	Bastrop	45 min
May 24, 3:53 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop	37 min
May 24, 3:59 PM CDT	Special Weather Statement	EWX	Lee	46 min
May 24, 4:12 PM CDT	Severe Thunderstorm Warning	EWX	Lee	33 min
May 24, 4:33 PM CDT	Special Weather Statement	EWX	Bastrop	42 min
May 24, 4:43 PM CDT	Special Weather Statement	EWX	Val Verde	47 min
May 24, 4:57 PM CDT	Special Weather Statement	EWX	Fayette	48 min
May 24, 5:13 PM CDT	Special Weather Statement	EWX	Maverick	47 min
May 24, 5:45 PM CDT	Areal Flood Advisory	EWX	Bastrop, Fayette, Lee	3 hr
May 24, 5:48 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Fayette, Lee	57 min
May 24, 5:53 PM CDT	Special Weather Statement	EWX	Real	52 min
May 24, 5:58 PM CDT	Severe Thunderstorm Warning	EWX	Travis	62 min
May 24, 6:02 PM CDT	Special Weather Statement	EWX	Zavala	43 min
May 24, 6:13 PM CDT	Special Weather Statement	EWX	Val Verde	47 min
May 24, 6:17 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Real, Uvalde	58 min
May 24, 6:23 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Lee, Travis, Williamson	67 min
May 24, 6:41 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	51 min
May 24, 6:46 PM CDT	Special Weather Statement	EWX	Bandera, Medina	44 min
May 24, 6:50 PM CDT	Areal Flood Advisory	EWX	Travis	3 hr
May 24, 6:54 PM CDT	Severe Thunderstorm Warning	EWX	Travis, Williamson	66 min
May 24, 6:57 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina	42 min

Nearby

Special Weather Statements in Texas, 2020 Every special weather statement in 2020

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.