Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

May 27, 2016Lavaca County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at May 27, 2016, 5:27 PM CDT for Lavaca County, Texas. It was in force for 63 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 27, 2016, 5:27 PM CDT (22:27 UTC)
Expired: May 27, 2016, 6:30 PM CDT
In force: 63 min
Issued by: NWS Austin/San Antonio, TX

County Lavaca County, TX

The radar

The Austin/San Antonio radar (KEWX), 126 km from the middle of the area, began a volume at 22:30 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 12:00Z, 10.5 hours before the alert went out and 174 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: 3530 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 341 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.7

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 27, 3:18 PM CDT, 2 hours 9 minutes earlier.

Area forecast discussion, May 27, 3:18 PM CDT, 2 hours 9 minutes before

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Hazardous weather outlook, May 27, 5:23 PM CDT, 4 minutes before

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In the hours before

Local storm report, May 27, 12:24 PM CDT, 5 hours 3 minutes before

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Local storm report, May 27, 12:57 PM CDT, 4 hours 30 minutes before

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Local storm report, May 27, 12:59 PM CDT, 4 hours 28 minutes before

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Local storm report, May 27, 4:13 PM CDT, 1 hour 14 minutes before

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Special weather statement, May 27, 4:34 PM CDT, 53 minutes before

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Special weather statement, May 27, 5:27 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 26, 7:00 PM CDT	Special Weather Statement	EWX	Fayette	30 min
May 26, 7:00 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	45 min
May 26, 7:23 PM CDT	Flash Flood Warning	EWX	Bastrop, Fayette, Lee	3 hr
May 26, 7:44 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Real, Val Verde	49 min
May 26, 8:27 PM CDT	Special Weather Statement	EWX	Fayette	33 min
May 26, 8:36 PM CDT	Special Weather Statement	EWX	Edwards	39 min
May 26, 8:48 PM CDT	Severe Thunderstorm Warning	EWX	Fayette, Lee	42 min
May 26, 9:05 PM CDT	Special Weather Statement	EWX	Kerr, Real	40 min
May 26, 9:07 PM CDT	Areal Flood Advisory	EWX	Hays, Travis	113 min
May 26, 9:21 PM CDT	Special Weather Statement	EWX	Travis	39 min
May 26, 9:23 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Gillespie, Kerr, Real	52 min
May 26, 9:30 PM CDT	Special Weather Statement	EWX	Fayette	30 min
May 26, 9:46 PM CDT	Special Weather Statement	EWX	Travis	44 min
May 26, 10:06 PM CDT	Flash Flood Warning	EWX	Hays, Travis	3 hr
May 26, 10:06 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Hays, Travis	39 min
May 26, 10:10 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Kendall, Kerr, Llano	65 min
May 26, 10:16 PM CDT	Flash Flood Warning	EWX	Bastrop, Fayette, Lee	3 hr
May 26, 10:43 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Travis	47 min
May 26, 10:53 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Kendall, Kerr, Llano	52 min
May 26, 11:15 PM CDT	Areal Flood Advisory	EWX	Blanco, Gillespie, Kendall, Kerr	3 hr
May 26, 11:26 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Travis	49 min
May 26, 11:28 PM CDT	River Flood Warning	EWX	Travis	20 hr
May 26, 11:37 PM CDT	Special Weather Statement	EWX	Williamson	53 min
May 26, 11:51 PM CDT	Special Weather Statement	EWX	Blanco	54 min
May 27, 12:03 AM CDT	Flash Flood Warning	EWX	Blanco, Gillespie, Kendall, Kerr	4 hr
May 27, 12:03 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Gillespie, Kendall	57 min
May 27, 12:10 AM CDT	River Flood Warning	EWX	Fayette	69 hr
May 27, 12:11 AM CDT	Special Weather Statement	EWX	Williamson	49 min
May 27, 12:19 AM CDT	River Flood Warning	EWX	Bastrop	32 hr
May 27, 12:21 AM CDT	Areal Flood Advisory	EWX	Hays, Travis, Williamson	54 min
May 27, 12:43 AM CDT	Special Weather Statement	EWX	Bastrop	47 min
May 27, 12:47 AM CDT	Tornado Warning	EWX	Bastrop	28 min
May 27, 1:00 AM CDT	Flash Flood Warning	EWX	Hays, Travis, Williamson	3 hr
May 27, 1:03 AM CDT	Special Weather Statement	EWX	Blanco	42 min
May 27, 1:13 AM CDT	Flash Flood Warning	EWX	Bastrop, Caldwell, Fayette, Lee	15 hr
May 27, 1:46 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Lee	59 min
May 27, 1:52 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Fayette, Gonzales	53 min
May 27, 1:58 AM CDT	River Flood Warning	EWX	Bastrop, Fayette	54 hr
May 27, 2:42 AM CDT	Severe Thunderstorm Warning	EWX	Fayette	63 min
May 27, 3:28 AM CDT	Flash Flood Warning	EWX	Hays, Travis	11 hr
May 27, 4:34 PM CDT	Special Weather Statement	EWX	Lavaca	56 min
May 27, 4:50 PM CDT	Areal Flood Advisory	EWX	Lavaca	3 hr
May 27, 5:37 PM CDT	Flash Flood Warning	EWX	Lavaca	3 hr
May 27, 5:46 PM CDT	Special Weather Statement	EWX	DeWitt	44 min
May 27, 6:08 PM CDT	Areal Flood Advisory	EWX	DeWitt	2 hr
May 27, 6:46 PM CDT	Special Weather Statement	EWX	DeWitt	44 min

Nearby

Special Weather Statements in Texas, 2016 Every special weather statement in 2016

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.