Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

March 18, 2016Maverick County, Zavala County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Mar 18, 2016, 10:38 PM CDT for Maverick County, Zavala County, Texas. It was in force for 52 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: Mar 18, 2016, 10:38 PM CDT (03:38 UTC)
Expired: Mar 18, 2016, 11:30 PM CDT
In force: 52 min
Issued by: NWS Austin/San Antonio, TX

Counties Maverick County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 69 km from the middle of the area, began a volume at 03:40 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

Del Rio, TX (KDLF), launched 00:00Z, 3.6 hours before the alert went out and 101 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: 2498 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mar 18, 10:23 PM CDT, 15 minutes earlier.

Area forecast discussion, Mar 18, 10:23 PM CDT, 15 minutes before

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Hazardous weather outlook, Mar 18, 4:38 AM CDT, 18 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
438 AM CDT FRI MAR 18 2016

TXZ171>173-183>194-202>209-217>225-228-191100-
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-
438 AM CDT FRI MAR 18 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT.

STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON
THROUGH EARLY SATURDAY MORNING AS A STRONG COLD FRONT MOVES
THROUGH THE REGION. THESE STORMS WILL BE CAPABLE OF PRODUCING
DAMAGING WINDS AND LARGE HAIL. LOCALLY HEAVY RAINFALL IS ALSO
POSSIBLE WITH THESE STORMS. THE STORMS MAY DEVELOP INTO A LINE AS
THEY APPROACH THE INTERSTATE 35 CORRIDOR AND MOVE INTO THE COASTAL
PLAINS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Mar 18, 9:43 PM CDT, 55 minutes before

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Special weather statement, Mar 18, 10:00 PM CDT, 38 minutes before

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Special weather statement, Mar 18, 10:05 PM CDT, 33 minutes before

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Local storm report, Mar 18, 10:21 PM CDT, 17 minutes before

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Special weather statement, Mar 18, 10:25 PM CDT, 13 minutes before

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Special weather statement, Mar 18, 10:38 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
Mar 18, 7:14 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Real, Uvalde	61 min
Mar 18, 7:18 PM CDT	Special Weather Statement	EWX	Kinney	57 min
Mar 18, 7:20 PM CDT	Special Weather Statement	EWX	Bexar, Medina	55 min
Mar 18, 7:30 PM CDT	Special Weather Statement	EWX	Travis	45 min
Mar 18, 7:44 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Comal, Gonzales, Guadalupe, Hays	46 min
Mar 18, 8:01 PM CDT	Special Weather Statement	EWX	Wilson	29 min
Mar 18, 8:14 PM CDT	Special Weather Statement	EWX	Travis	31 min
Mar 18, 8:19 PM CDT	Special Weather Statement	EWX	Atascosa, Bexar, Frio, Medina, Uvalde	41 min
Mar 18, 8:30 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Gonzales, Guadalupe	45 min
Mar 18, 8:33 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Gonzales, Guadalupe, Karnes, Wilson	42 min
Mar 18, 8:43 PM CDT	Special Weather Statement	EWX	Dimmit, Zavala	62 min
Mar 18, 9:04 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick	56 min
Mar 18, 9:10 PM CDT	Special Weather Statement	EWX	Atascosa, Frio, Kinney, Uvalde	50 min
Mar 18, 9:11 PM CDT	Areal Flood Advisory	EWX	Dimmit	3 hr
Mar 18, 9:17 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Gonzales, Karnes, Wilson	58 min
Mar 18, 9:27 PM CDT	Special Weather Statement	EWX	Maverick	33 min
Mar 18, 9:41 PM CDT	Areal Flood Advisory	EWX	Karnes, Wilson	2 hr
Mar 18, 9:43 PM CDT	Special Weather Statement	EWX	Burnet	47 min
Mar 18, 9:57 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Zavala	32 min
Mar 18, 10:00 PM CDT	Special Weather Statement	EWX	Maverick	45 min
Mar 18, 10:05 PM CDT	Special Weather Statement	EWX	Gonzales	40 min
Mar 18, 10:25 PM CDT	Special Weather Statement	EWX	DeWitt	35 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.