Alert archive / Texas / Special Weather Statements in 2014

Special Weather Statement, NWS Austin/San Antonio, TX

June 10, 2014Lavaca County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jun 10, 2014, 3:47 AM CDT for Lavaca County, Texas. It was in force for 43 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: Jun 10, 2014, 3:47 AM CDT (08:47 UTC)
Expired: Jun 10, 2014, 4:30 AM CDT
In force: 43 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 08:49 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, 8.8 hours before the alert went out and 173 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: 1611 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jun 10, 3:32 AM CDT, 15 minutes earlier.

Area forecast discussion, Jun 10, 3:32 AM CDT, 15 minutes before

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Hazardous weather outlook, Jun 9, 10:40 PM CDT, 5 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1040 PM CDT MON JUN 9 2014

TXZ171>173-183>194-202>209-217>225-228-110345-
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-
1040 PM CDT MON JUN 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TONIGHT...

SCATTERED THUNDERSTORMS...SOME STRONG...WILL MOVE ACROSS AREAS
ALONG AND EAST OF THE INTERSTATE 35 CORRIDOR AHEAD OF A WEAK COLD
FRONT. THESE STORMS COULD PRODUCE SMALL HAIL AND GUSTY WINDS.
LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE. COUPLED WITH THE SLOW
MOVEMENT OF THE STORMS SOME LOCALIZED FLOODING IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jun 10, 12:40 AM CDT, 3 hours 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1240 AM CDT TUE JUN 10 2014

TXZ209-225-100630-
FAYETTE-LAVACA-
1240 AM CDT TUE JUN 10 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN LAVACA AND SOUTHERN
FAYETTE COUNTIES UNTIL 130 AM CDT...

AT 1238 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR SCHULENBURG...MOVING EAST AT 20 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  DUBINA...
  HOLMAN...
  ELLINGER...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER
CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED
ROADWAYS.

LAT...LON 2981 9669 2964 9686 2959 9683 2959 9680
      2954 9674 2951 9674 2966 9701 2987 9691
      2985 9667
TIME...MOT...LOC 0540Z 292DEG 18KT 2972 9686

Special weather statement, Jun 10, 2:34 AM CDT, 1 hour 13 minutes before

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Special weather statement, Jun 10, 3:47 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
Jun 9, 7:24 PM CDT	Special Weather Statement	EWX	Comal	36 min
Jun 9, 7:36 PM CDT	Special Weather Statement	EWX	Milam	9 min
Jun 9, 8:28 PM CDT	Special Weather Statement	EWX	Lee	47 min
Jun 9, 8:39 PM CDT	Severe Thunderstorm Warning	EWX	Lee	66 min
Jun 9, 9:03 PM CDT	Areal Flood Advisory	EWX	Lee	117 min
Jun 9, 11:55 PM CDT	Areal Flood Advisory	EWX	Fayette	3 hr
Jun 10, 12:40 AM CDT	Special Weather Statement	EWX	Fayette	50 min
Jun 10, 1:06 AM CDT	Severe Thunderstorm Warning	EWX	Fayette, Lavaca	24 min
Jun 10, 1:20 AM CDT	Areal Flood Advisory	EWX	Fayette	2 hr
Jun 10, 1:31 AM CDT	Tornado Warning	EWX	Lavaca	29 min
Jun 10, 2:03 AM CDT	Tornado Warning	EWX	Lavaca	27 min
Jun 10, 2:34 AM CDT	Special Weather Statement	EWX	Lavaca	41 min
Jun 10, 3:21 AM CDT	Areal Flood Advisory	EWX	Lavaca	3 hr
Jun 10, 4:00 AM CDT	Special Weather Statement	EWX	DeWitt	45 min

Nearby

Special Weather Statements in Texas, 2014 Every special weather statement in 2014

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.