Alert archive / Texas / Special Weather Statements in 2020

Special Weather Statement, NWS Austin/San Antonio, TX

May 12, 2020Maverick County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at May 12, 2020, 1:13 AM CDT for Maverick County, Texas. It was in force for 32 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 12, 2020, 1:13 AM CDT (06:13 UTC)
Expired: May 12, 2020, 1:45 AM CDT
In force: 32 min
Issued by: NWS Austin/San Antonio, TX

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 51 km from the middle of the area, began a volume at 06:12 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

Corpus Christi, TX (KCRP), launched 00:00Z, 6.2 hours before the alert went out and 313 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: 638 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 68 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 11, 9:39 PM CDT, 3 hours 34 minutes earlier.

Area forecast discussion, May 11, 9:39 PM CDT, 3 hours 34 minutes before

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Hazardous weather outlook, May 11, 1:59 PM CDT, 11 hours 14 minutes before

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In the hours before

Special weather statement, May 11, 10:00 PM CDT, 3 hours 13 minutes before

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Special weather statement, May 11, 10:41 PM CDT, 2 hours 32 minutes before

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Special weather statement, May 11, 11:31 PM CDT, 1 hour 42 minutes before

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Special weather statement, May 12, 12:36 AM CDT, 37 minutes before

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Special weather statement, May 12, 1:12 AM CDT, 1 minute before

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Special weather statement, May 12, 1:13 AM 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 11, 10:00 PM CDT	Special Weather Statement	EWX	Val Verde	30 min
May 11, 10:41 PM CDT	Special Weather Statement	EWX	Val Verde	49 min
May 11, 11:31 PM CDT	Special Weather Statement	EWX	Val Verde	44 min
May 12, 12:36 AM CDT	Special Weather Statement	EWX	Maverick	39 min
May 12, 1:12 AM CDT	Special Weather Statement	EWX	Val Verde	48 min
May 12, 1:30 AM CDT	Special Weather Statement	EWX	Dimmit	45 min
May 12, 2:33 AM CDT	Special Weather Statement	EWX	Val Verde	27 min
May 12, 2:50 AM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
May 12, 2:51 AM CDT	Special Weather Statement	EWX	Frio	39 min
May 12, 3:01 AM CDT	Special Weather Statement	EWX	Edwards	44 min
May 12, 3:29 AM CDT	Special Weather Statement	EWX	Val Verde	46 min
May 12, 3:47 AM CDT	Special Weather Statement	EWX	Edwards	43 min
May 12, 8:39 AM CDT	Special Weather Statement	EWX	Caldwell	51 min
May 12, 9:06 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Travis	54 min
May 12, 9:08 AM CDT	Tornado Warning	EWX	Bastrop, Caldwell	37 min
May 12, 9:37 AM CDT	Tornado Warning	EWX	Bastrop, Fayette	23 min
May 12, 9:41 AM CDT	Tornado Warning Tornado observed	EWX	Bastrop	19 min
May 12, 10:01 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell	59 min
May 12, 10:12 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Lee	48 min
May 12, 10:18 AM CDT	Tornado Warning	EWX	Bastrop, Fayette, Lee	27 min
May 12, 10:19 AM CDT	Tornado Warning	EWX	Bastrop	26 min
May 12, 10:28 AM CDT	Areal Flood Advisory	EWX	Bexar, Comal	3 hr
May 12, 10:36 AM CDT	Tornado Warning	EWX	Bastrop, Fayette	24 min
May 12, 10:40 AM CDT	Tornado Warning	EWX	Bastrop, Lee	35 min
May 12, 10:50 AM CDT	Tornado Warning	EWX	Bexar, Comal, Kendall	25 min
May 12, 10:53 AM CDT	Tornado Warning	EWX	Bastrop, Lee	37 min
May 12, 11:08 AM CDT	Areal Flood Advisory	EWX	Comal, Hays, Travis	3 hr
May 12, 11:10 AM CDT	Tornado Warning	EWX	Lee	35 min
May 12, 11:14 AM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Kendall	61 min
May 12, 11:25 AM CDT	Tornado Warning	EWX	Bastrop, Lee	35 min
May 12, 11:28 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Comal	3 hr
May 12, 11:41 AM CDT	Severe Thunderstorm Warning	EWX	Lee	34 min
May 12, 11:52 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Hays, Travis	3 hr
May 12, 11:55 AM CDT	Tornado Warning	EWX	Lee	35 min
May 12, 12:10 PM CDT	Special Weather Statement	EWX	Comal	50 min
May 12, 12:23 PM CDT	Tornado Warning	EWX	Comal, Hays	19 min
May 12, 12:27 PM CDT	Severe Thunderstorm Warning	EWX	Lee	18 min
May 12, 12:45 PM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Guadalupe, Hays, Lee, Travis	3 hr
May 12, 12:48 PM CDT	Special Weather Statement	EWX	Caldwell	42 min
May 12, 12:54 PM CDT	Special Weather Statement	EWX	Bastrop	51 min
May 12, 12:55 PM CDT	River Flood Warning	EWX	Travis	7 hr
May 12, 1:23 PM CDT	Special Weather Statement	EWX	Caldwell	52 min
May 12, 1:36 PM CDT	Special Weather Statement	EWX	Caldwell	39 min
May 12, 2:10 PM CDT	Special Weather Statement	EWX	Gonzales	50 min
May 12, 2:22 PM CDT	Areal Flood Advisory	EWX	Comal, Hays, Travis	83 min
May 12, 2:36 PM CDT	Special Weather Statement	EWX	Gonzales	39 min
May 12, 2:44 PM CDT	River Flood Warning	EWX	Comal, Guadalupe	5 hr
May 12, 2:57 PM CDT	Special Weather Statement	EWX	Guadalupe	33 min
May 12, 3:14 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales	20 min
May 12, 3:51 PM CDT	Areal Flood Advisory	EWX	Fayette, Gonzales, Lavaca	5 hr
May 12, 5:07 PM CDT	Special Weather Statement	EWX	Lavaca	38 min
May 12, 5:27 PM CDT	Special Weather Statement	EWX	Guadalupe	63 min
May 12, 5:42 PM CDT	Special Weather Statement	EWX	Comal	48 min
May 12, 5:50 PM CDT	Areal Flood Advisory	EWX	DeWitt, Gonzales, Lavaca	3 hr
May 12, 5:54 PM CDT	Special Weather Statement	EWX	Lavaca	66 min
May 12, 5:58 PM CDT	Severe Thunderstorm Warning	EWX	Comal, Kendall	47 min
May 12, 6:19 PM CDT	Special Weather Statement	EWX	DeWitt, Wilson	56 min
May 12, 6:26 PM CDT	Special Weather Statement	EWX	Gonzales	64 min
May 12, 6:35 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt	40 min
May 12, 6:42 PM CDT	Special Weather Statement	EWX	Guadalupe	48 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.