Alert archive / Texas / Special Weather Statements in 2014

Special Weather Statement, NWS Austin/San Antonio, TX

August 11, 2014Lee County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Aug 11, 2014, 4:21 PM CDT for Lee County, Texas. It was in force for 24 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, 4:21 PM CDT (21:21 UTC)
Expired: Aug 11, 2014, 4:45 PM CDT
In force: 24 min
Issued by: NWS Austin/San Antonio, TX

County Lee County, TX

The radar

The Ft Hood radar (KGRK), 64 km from the middle of the area, began a volume at 21:20 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

Fort Worth, TX (KFWD), launched 12:00Z, 9.4 hours before the alert went out and 277 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: 108 J/kg
Mixed-layer CIN: -241 J/kg
Mixed-layer LCL: 1675 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 65 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, 31 minutes earlier.

Area forecast discussion, Aug 11, 3:50 PM CDT, 31 minutes before

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Hazardous weather outlook, Aug 11, 4:39 AM CDT, 11 hours 42 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, 2:37 PM CDT, 1 hour 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
237 PM CDT MON AUG 11 2014

TXZ173-112015-
WILLIAMSON-
237 PM CDT MON AUG 11 2014

...SIGNIFICANT WEATHER ADVISORY FOR WILLIAMSON COUNTY UNTIL 315 PM
CDT...

AT 233 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR JARRELL...OR 8 MILES NORTHWEST OF GRANGER...
MOVING SOUTH AT 20 MPH. THIS STORM HAS PRODUCED A STRONG OUTFLOW
BOUNDARY THAT WILL MOVE THROUGH WILLIAMSON COUNTY.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
FREQUENT DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  GRANGER...
  SERENADA...
  GEORGETOWN...
  TAYLOR...
  GRANGER DAM...
  SUN CITY...
  WEIR...
  GEORGETOWN DAM...
  HUTTO...
  THRALL...

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

LAT...LON 3086 9755 3077 9734 3048 9723 3061 9788
      3089 9774
TIME...MOT...LOC 1935Z 357DEG 17KT 3079 9754

Local storm report, Aug 11, 3:37 PM CDT, 44 minutes before

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Special weather statement, Aug 11, 3:38 PM CDT, 43 minutes before

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Special weather statement, Aug 11, 3:43 PM CDT, 38 minutes before

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Special weather statement, Aug 11, 4:18 PM CDT, 3 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, 0 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 2:09 PM CDT	Special Weather Statement	EWX	Gillespie	51 min
Aug 11, 2:37 PM CDT	Special Weather Statement	EWX	Williamson	38 min
Aug 11, 3:12 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Williamson	48 min
Aug 11, 3:38 PM CDT	Special Weather Statement	EWX	Blanco	52 min
Aug 11, 3:43 PM CDT	Special Weather Statement	EWX	Burnet	47 min
Aug 11, 4:18 PM CDT	Special Weather Statement	EWX	Hays	42 min
Aug 11, 5:12 PM CDT	Special Weather Statement	EWX	Bexar, Guadalupe	48 min
Aug 11, 5:47 PM CDT	Special Weather Statement	EWX	Caldwell	43 min
Aug 11, 6:38 PM CDT	Special Weather Statement	EWX	Wilson	52 min
Aug 11, 6:42 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Gonzales, Lavaca	48 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.