Alert archive / Texas / Special Weather Statements in 2014

Special Weather Statement, NWS Austin/San Antonio, TX

August 11, 2014Caldwell County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Aug 11, 2014, 5:47 PM CDT for Caldwell 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
Aug 11, 2014, 5:47 PM CDT (22:47 UTC)
Expired
Aug 11, 2014, 6:30 PM CDT
In force
43 min
Issued by
NWS Austin/San Antonio, TX

County Caldwell County, TX

The radar

The Austin/San Antonio radar (KEWX), 41 km from the middle of the area, began a volume at 22:46 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, 10.8 hours before the alert went out and 220 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-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2014-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1905 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2014-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1905 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Aug 11, 3:50 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Aug 11, 3:50 PM CDT, 1 hour 57 minutes before
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Hazardous weather outlook, Aug 11, 4:39 AM CDT, 13 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
439 AM CDT MON AUG 11 2014

TXZ171>173-183>194-202>209-217>225-228-121100-
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-
439 AM CDT MON AUG 11 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT...

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER SOUTH CENTRAL
TEXAS THIS AFTERNOON THROUGH TONIGHT. A FEW THUNDERSTORMS WILL BE
CAPABLE OF PRODUCING GUSTY WINDS TO AROUND 40 MPH AND HEAVY
DOWNPOURS OVER 1 INCH.

.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, Aug 11, 3:43 PM CDT, 2 hours 4 minutes before
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Special weather statement, Aug 11, 4:18 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
418 PM CDT MON AUG 11 2014

TXZ190>192-112200-
BLANCO-HAYS-TRAVIS-
418 PM CDT MON AUG 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BLANCO...WESTERN
TRAVIS AND NORTHWESTERN HAYS COUNTIES UNTIL 500 PM CDT...

AT 417 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR DRIPPING SPRINGS...MOVING SOUTHWEST AT 10
MPH.

HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  DRIPPING SPRINGS...
  WIMBERLEY...
  DRIFTWOOD...
  WOODCREEK...
  HENLY...
  MOUNT GAINOR...

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

LAT...LON 2996 9810 3012 9831 3033 9806 3021 9790
TIME...MOT...LOC 2118Z 041DEG 7KT 3020 9805
Special weather statement, Aug 11, 4:21 PM CDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
421 PM CDT MON AUG 11 2014

TXZ194-112145-
LEE-
421 PM CDT MON AUG 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LEE COUNTY UNTIL 445
PM CDT...

AT 417 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 6 MILES EAST OF LEXINGTON...MOVING SOUTHEAST AT 5
MPH.

HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  DIME BOX...
  LEO...
  OLD DIME BOX...
  LOEBAU...

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

LAT...LON 3022 9693 3045 9704 3051 9691 3050 9689
      3047 9689 3036 9676 3033 9674 3033 9673
      3032 9671
TIME...MOT...LOC 2121Z 333DEG 6KT 3042 9690
Local storm report, Aug 11, 4:41 PM CDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
441 PM CDT MON AUG 11 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0433 PM     HEAVY RAIN       2 N JOHNSON CITY        30.30N  98.41W
08/11/2014  M2.65 INCH       BLANCO             TX   COCORAHS

&&

EVENT NUMBER EWX1400634

CVP
Special weather statement, Aug 11, 5:12 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
512 PM CDT MON AUG 11 2014

TXZ205>208-221-223-112300-
BEXAR-CALDWELL-COMAL-GONZALES-GUADALUPE-WILSON-
512 PM CDT MON AUG 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN COMAL...CENTRAL
BEXAR...SOUTHWESTERN CALDWELL...NORTHERN WILSON...GUADALUPE AND
WESTERN GONZALES COUNTIES UNTIL 600 PM CDT...

AT 508 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG WINDS ALONG A LINE EXTENDING FROM FENTRESS TO MARION TO LEON
VALLEY...AND MOVING SOUTH AT 25 MPH. THESE HIGH WINDS ARE FROM AN
OUTFLOW BOUNDARY AND WILL OCCUR BEFORE RAIN BEGINS.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS ACTIVITY.

LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...
  UNIVERSAL CITY...
  SEGUIN...
  SAN ANTONIO...
  CIBOLO...
  LIVE OAK...
  GERONIMO...
  SCHERTZ...
  MARION...
  LEON VALLEY...
  WINDCREST...

LAT...LON 2921 9869 2958 9874 2968 9814 2992 9770
      2961 9766 2938 9785 2930 9807 2929 9822
TIME...MOT...LOC 2211Z 354DEG 22KT 2978 9777 2959 9813
          2951 9862
Special weather statement, Aug 11, 5:47 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
547 PM CDT MON AUG 11 2014

TXZ208-112330-
CALDWELL-
547 PM CDT MON AUG 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CALDWELL COUNTY UNTIL
630 PM CDT...

AT 548 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 6 MILES NORTHEAST OF LULING...MOVING SOUTH AT 10
MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LULING...
  MCNEIL...

LAT...LON 2963 9759 2963 9762 2966 9766 2967 9765
      2966 9768 2968 9770 2983 9767 2982 9747
      2971 9745
TIME...MOT...LOC 2247Z 011DEG 7KT 2974 9757

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 2:09 PM CDTSpecial Weather StatementEWXGillespie51 min
Aug 11, 2:37 PM CDTSpecial Weather StatementEWXWilliamson38 min
Aug 11, 3:12 PM CDTSevere Thunderstorm WarningEWXBurnet, Williamson48 min
Aug 11, 3:38 PM CDTSpecial Weather StatementEWXBlanco52 min
Aug 11, 3:43 PM CDTSpecial Weather StatementEWXBurnet47 min
Aug 11, 4:18 PM CDTSpecial Weather StatementEWXHays42 min
Aug 11, 4:21 PM CDTSpecial Weather StatementEWXLee24 min
Aug 11, 5:12 PM CDTSpecial Weather StatementEWXBexar, Guadalupe48 min
Aug 11, 6:38 PM CDTSpecial Weather StatementEWXWilson52 min
Aug 11, 6:42 PM CDTSevere Thunderstorm WarningEWXDeWitt, Gonzales, Lavaca48 min

Nearby

Special Weather Statements in Texas, 2014Every 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.