Alert archive / Texas / Special Weather Statements in 2013

Special Weather Statement, NWS Austin/San Antonio, TX

August 15, 2013Llano County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Aug 15, 2013, 5:43 PM CDT for Llano County, Texas. It was in force for 47 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 15, 2013, 5:43 PM CDT (22:43 UTC)
Expired: Aug 15, 2013, 6:30 PM CDT
In force: 47 min
Issued by: NWS Austin/San Antonio, TX

County Llano County, TX

The radar

The Ft Hood radar (KGRK), 115 km from the middle of the area, began a volume at 22:44 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 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 15, 3:00 PM CDT, 2 hours 43 minutes earlier.

Area forecast discussion, Aug 15, 3:00 PM CDT, 2 hours 43 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
300 PM CDT THU AUG 15 2013

.SHORT TERM (TONIGHT THROUGH FRIDAY NIGHT)...
THIS AFTERNOON A CLUSTER OF SHOWERS AND THUNDERSTORMS HAS DEVELOPED
OVER THE HILL COUNTRY...MAINLY OVER KERR...KENDALL...GILLESPIE AND
LLANO COUNTIES. THESE STORMS WILL MOVE ESE TOWARDS THE I-35
CORRIDOR. SURFACE TEMPS IN THE MID TO UPPER 90S IN ADVANCE OF THE
CONVECTION COULD LEAD TO WIND GUSTS OF 40 TO 50 MPH. ONCE AGAIN
CONVECTION WILL DIMINISH IN AREAL COVERAGE AND INTENSITY AFTER
SUNSET WITH ONLY AN ISOLATED SHOWER POSSIBLE AFTER MIDNIGHT. LOWS
WILL BE CLOSE TO SEASONAL NORMALS. A SHORT WAVE TROF CURRENTLY
LOCATED OVER KANSAS WILL DIVE SOUTHWARD INTO OKLAHOMA AND NE TEXAS
ON FRIDAY. THIS FEATURE WILL PRODUCE AN UPSTREAM MCS OVER OKLAHOMA
TONIGHT. REMNANTS OF THE MCS WILL MOVE ACROSS SOUTH CENTRAL TEXAS
ON FRIDAY...PRODUCING ISOLATED TO SCATTERED CONVECTION. HIGHS ON
FRIDAY WILL RANGE FROM THE MID 90S NORTHEAST TO NEAR 105 DEGREES
SOUTHWEST.

&&

.LONG TERM (SATURDAY THROUGH THURSDAY)...
THE UPPER LEVEL HIGH WILL REMAIN CENTERED OVER THE 4 CORNERS REGION
OVER THE WEEKEND INTO EARLY NEXT WEEK. THIS WILL ALLOW AFTERNOON
TEMPERATURES TO EASE DOWNWARD TO AROUND NORMAL. A WEAK SW TO NE
ORIENTATED MID LEVEL TROF EVOLVES OVER THE TEXAS COAST BY THE
MIDDLE OF NEXT WEEK. THIS WILL ALLOW FOR AN ACTIVE SEA-BREEZE
BOUNDARY TUESDAY THROUGH THURSDAY WITH THE BEST INLAND SPREAD OF
CONVECTION OCCURRING ON WEDNESDAY AND THURSDAY. THE PCPN FORECAST
EARLY NEXT WEEK WILL BE DEPENDENT ON WHAT OCCURS OVER THE GULF
THIS WEEKEND. A TROPICAL WAVE IS MOVING ACROSS THE YUCATAN THIS
AFTERNOON AND WILL ENTER THE BAY OF CAMPECHE ON FRIDAY. THIS WAVE
HAS THE POTENTIAL TO BECOME A TROPICAL STORM. THE LATEST SPAGHETTI
PLOTS HAVE THIS SYSTEM MOVING ONSHORE ANYWHERE FROM VERACRUZ TO
BROWNSVILLE TO HOUMA. BEARS WATCHING.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              75  99  74  97  73 /  20  20  10  -    0
AUSTIN BERGSTROM INTL AIRPORT  74  97  72  96  71 /  20  20  10  -    0
NEW BRAUNFELS MUNI AIRPORT     73  98  72  98  71 /  20  20  10  -    0
BURNET MUNI AIRPORT            73  94  71  94  71 /  20  20  10  -    0
DEL RIO INTL AIRPORT           80 103  79 100  78 /  -   10  -   -    0
GEORGETOWN MUNI AIRPORT        73  95  71  94  71 /  10  20  10  -    0
HONDO MUNI AIRPORT             75 101  74  99  73 /  10  20  10  -    0
SAN MARCOS MUNI AIRPORT        74  97  73  96  72 /  20  20  10  -    0
LA GRANGE - FAYETTE REGIONAL   76  98  74  96  73 /  10  20  10  -   -
SAN ANTONIO INTL AIRPORT       77  99  77  99  75 /  20  20  10  -    0
STINSON MUNI AIRPORT           76 100  76  99  74 /  20  20  10  -    0

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

MESOSCALE/AVIATION...04
SYNOPTIC/GRIDS...13
PUBLIC SERVICE/DATA COLLECTION...12

Hazardous weather outlook, Aug 15, 5:13 AM CDT, 12 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 AM CDT THU AUG 15 2013

TXZ171>173-183>194-202>209-217>225-228-161015-
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-
513 AM CDT THU AUG 15 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

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

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON
AND EVENING FOR AREAS GENERALLY ALONG AND EAST OF A KERRVILLE TO
FLORESVILLE LINE. SOME OF THE STRONGER STORMS WILL BE CAPABLE OF
PRODUCING WIND GUSTS OF 40 TO 50 MPH AND BRIEF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

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 15, 5:04 PM CDT, 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
504 PM CDT THU AUG 15 2013

TXZ171-152300-
LLANO-
504 PM CDT THU AUG 15 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LLANO COUNTY UNTIL
600 PM CDT...

AT 504 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR VOCA...OR 16 MILES SOUTHEAST OF
BRADY...MOVING EAST AT 10 MPH. A SEVERE THUNDERSTORM WARNING IS IN
EFFECT UNTIL 545 PM CDT FOR SOUTHEASTERN MCCULLOCH
COUNTY...NORTHEASTERN MASON COUNTY AND SOUTHWESTERN SAN SABA COUNTY.
THIS STORM MAY CONTINUE TO BE NEAR SEVERE LEVELS AS IT MOVES INTO
NORTHWESTERN LLANO COUNTY BY 530 PM CDT.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  FIELD CREEK...
  VALLEY SPRING...

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 3070 9881 3078 9898 3091 9897 3093 9896
      3093 9877 3092 9876
TIME...MOT...LOC 2159Z 287DEG 9KT 3102 9911

Special weather statement, Aug 15, 5:43 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
543 PM CDT THU AUG 15 2013

TXZ171-172-152330-
BURNET-LLANO-
543 PM CDT THU AUG 15 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BURNET AND NORTHERN
LLANO COUNTIES UNTIL 630 PM CDT...

AT 542 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR BABY HEAD...OR 11 MILES NORTH OF LLANO...
MOVING EAST AT 20 MPH.

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

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LLANO...
  BUCHANAN DAM...
  BABY HEAD...
  LONE GROVE...
  STOLZ...
  BLUFFTON...
  TOW...

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 3070 9841 3069 9897 3079 9898 3093 9895
      3093 9843 3095 9846 3102 9846 3103 9844
      3104 9822
TIME...MOT...LOC 2242Z 288DEG 19KT 3090 9872

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 15, 5:04 PM CDT	Special Weather Statement	EWX	Llano	56 min
Aug 15, 6:25 PM CDT	Special Weather Statement	EWX	Llano	50 min
Aug 15, 6:46 PM CDT	Special Weather Statement	EWX	Bastrop	44 min
Aug 15, 6:53 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Fayette	37 min

Nearby

Special Weather Statements in Texas, 2013 Every special weather statement in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.