Alert archive / Texas / Special Weather Statements in 2015

Special Weather Statement, NWS Austin/San Antonio, TX

October 31, 20154 counties in Texas

NWS Austin/San Antonio, TX issued this special weather statement at Oct 31, 2015, 4:02 AM CDT for 4 counties in Texas. It was in force for 58 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: Oct 31, 2015, 4:02 AM CDT (09:02 UTC)
Expired: Oct 31, 2015, 5:00 AM CDT
In force: 58 min
Issued by: NWS Austin/San Antonio, TX

Counties Bastrop County, TX, Caldwell County, TX, Lee County, TX, Travis County, TX

The radar

The Ft Hood radar (KGRK), 48 km from the middle of the area, began a volume at 09:06 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 00:00Z, 9.0 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: 10 J/kg
Mixed-layer CIN: -199 J/kg
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 513 m²/s²
0-3 km storm-relative helicity: 614 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Oct 31, 3:43 AM CDT, 19 minutes earlier.

Area forecast discussion, Oct 31, 3:43 AM CDT, 19 minutes before

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Hazardous weather outlook, Oct 30, 6:32 PM CDT, 9 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
632 PM CDT FRI OCT 30 2015

TXZ171>173-183>194-202>209-217>225-228-312345-
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-
632 PM CDT FRI OCT 30 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TONIGHT.

A SLIGHT RISK OF SEVERE STORMS CAPABLE OF PRODUCING DAMAGING
WINDS...ISOLATED TORNADOES...AND LOCALLY HEAVY RAINFALL CAPABLE OF
PRODUCING FLASH FLOODING IS POSSIBLE THROUGH TONIGHT. ANOTHER
ROUND OF CONVECTION IS EXPECTED TO MOVE THROUGH THE AREA THIS
EVENING AND OVERNIGHT. 1-2 INCHES OF RAIN WITH ISOLATED LOCATIONS
REACHING 5 INCHES WILL CAUSE ADDITIONAL FLASH FLOODING FOR
LOCATIONS WHICH ALREADY RECEIVED EXTREME RAINFALL TODAY.

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

CHANCES OF LOCALLY HEAVY RAINFALL AND ISOLATED STRONG TO SEVERE
THUNDERSTORMS WILL CONTINUE THROUGH SATURDAY MORNING. A FLASH
FLOOD WATCH IS IN EFFECT UNTIL 10 AM SATURDAY MORNING ALONG AND
EAST OF A LINE FROM KERRVILLE TO PEARSALL. HEAVY RAINFALL
RESULTING IN LOCALIZED FLASH FLOODING WILL BE THE PRIMARY THREAT
BUT DAMAGING WINDS AND FREQUENTLY LIGHTNING WILL ALSO EXIST WITH
THIS SYSTEM AS IT MOVES THROUGH BY THE AFTERNOON WHEN SKIES CLEAR
OUT BEHIND THE FRONT. A STORM SYSTEM PRODUCING SHOWERS AND
THUNDERSTORMS WILL APPROACH BY WEDNESDAY BUT NO WIDESPREAD
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT THROUGH SATURDAY
MORNING.

In the hours before

Special weather statement, Oct 31, 1:18 AM CDT, 2 hours 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
118 AM CDT SAT OCT 31 2015

TXZ171-172-186>190-310730-
BANDERA TX-BURNET TX-GILLESPIE TX-BLANCO TX-KENDALL TX-KERR TX-
LLANO TX-
118 AM CDT SAT OCT 31 2015

...SIGNIFICANT WEATHER ADVISORY FOR BLANCO...BANDERA...BURNET...
LLANO...GILLESPIE...KENDALL AND SOUTHEASTERN KERR COUNTIES UNTIL 230
AM CDT...

AT 117 AM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR PONTOTOC TO NEAR
HILLTOP TO NEAR CENTER POINT TO NEAR TARPLEY...AND MOVING EAST AT 40
MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
MEDINA...KERRVILLE...FREDERICKSBURG...BOERNE...KINGSLAND...MARBLE
FALLS...BURNET...LLANO...COMFORT...BLANCO...BERTRAM...BANDERA...ROUND
MOUNTAIN...BUCHANAN DAM...GAINESVILLE...GRANITE SHOALS...HORSESHOE
BAY...INGRAM...MEADOWLAKES AND JOHNSON CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3099 9788 3006 9833 2963 9888 2965 9945
      3050 9919 3050 9896 3092 9896 3092 9845
      3093 9841 3096 9845 3103 9844 3103 9791
TIME...MOT...LOC 0617Z 256DEG 34KT 3088 9898 3034 9897 2997 9910 2968
9936

CP

Local storm report, Oct 31, 2:01 AM CDT, 2 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
201 AM CDT SAT OCT 31 2015

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

1142 PM     TSTM WND DMG     1 N FREDERICKSBURG      30.28N  98.87W
10/30/2015                   GILLESPIE          TX   LAW ENFORCEMENT

            NUMEROUS TREES DOWN ALONG CRABAPPLE ROAD AND OAKHAVEN
            ROAD IN NORTH FREDERICKSBURG. SOCIAL MEDIA REPORTS BBQ
            PIT TOSSED AND CHILDERNS PLAY SET DESTROYED.

&&

EVENT NUMBER EWX1500855

ALLEN

Special weather statement, Oct 31, 2:12 AM CDT, 1 hour 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
212 AM CDT SAT OCT 31 2015

TXZ172-173-190>192-310830-
WILLIAMSON TX-BURNET TX-TRAVIS TX-BLANCO TX-HAYS TX-
212 AM CDT SAT OCT 31 2015

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BLANCO...WILLIAMSON...
BURNET...TRAVIS AND NORTHERN HAYS COUNTIES UNTIL 330 AM CDT...

AT 212 AM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTHEAST OF BEND
TO NEAR GRANITE SHOALS TO NEAR JOHNSON CITY TO NEAR FLUGRATH...AND
MOVING EAST AT 45 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
AUSTIN...ROUND ROCK...CEDAR PARK...GEORGETOWN...PFLUGERVILLE...
TAYLOR...MARBLE FALLS...BURNET...DRIPPING SPRINGS...GRANGER...
BERTRAM...ROUND MOUNTAIN...WINDEMERE...TANGLEWOOD FOREST...ANDERSON
MILL...SERENADA...AUSTIN BERGSTROM INT AP...LEANDER...HUTTO AND
LAKEWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3091 9783 3087 9763 3080 9743 3044 9740
      3011 9762 3013 9855 3049 9835 3103 9841
      3103 9791
TIME...MOT...LOC 0712Z 255DEG 38KT 3104 9843 3055 9846 3031 9844 3017
9852

CP

Local storm report, Oct 31, 3:36 AM CDT, 26 minutes before

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Special weather statement, Oct 31, 3:37 AM CDT, 25 minutes before

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Special weather statement, Oct 31, 4:02 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
Oct 30, 7:07 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Val Verde	53 min
Oct 30, 7:58 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Real, Uvalde	62 min
Oct 30, 8:33 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Real, Uvalde	57 min
Oct 30, 8:43 PM CDT	Special Weather Statement	EWX	Val Verde	47 min
Oct 30, 8:49 PM CDT	Special Weather Statement	EWX	Val Verde	41 min
Oct 30, 9:06 PM CDT	Special Weather Statement	EWX	Val Verde	39 min
Oct 30, 9:07 PM CDT	River Flood Warning	EWX	Bastrop, Fayette	62 hr
Oct 30, 9:07 PM CDT	River Flood Warning	EWX	Fayette	4 days
Oct 30, 9:18 PM CDT	Special Weather Statement	EWX	Real	57 min
Oct 30, 9:29 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Kerr, Real	61 min
Oct 30, 9:31 PM CDT	Special Weather Statement	EWX	Val Verde	29 min
Oct 30, 9:50 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	40 min
Oct 30, 10:16 PM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Guadalupe, Hays, Travis, Williamson	6 hr
Oct 30, 10:19 PM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
Oct 30, 10:20 PM CDT	Areal Flood Advisory	EWX	Bastrop, Lee	6 hr
Oct 30, 10:21 PM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Guadalupe, Hays, Travis, Williamson	6 hr
Oct 30, 10:27 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Val Verde	63 min
Oct 30, 10:30 PM CDT	Special Weather Statement	EWX	Kerr	45 min
Oct 30, 10:38 PM CDT	Special Weather Statement	EWX	Edwards	52 min
Oct 30, 11:13 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Kerr, Real	77 min
Oct 30, 11:29 PM CDT	Special Weather Statement	EWX	Kinney	61 min
Oct 30, 11:32 PM CDT	Tornado Warning	EWX	Gillespie	43 min
Oct 31, 12:06 AM CDT	Special Weather Statement	EWX	Llano	39 min
Oct 31, 12:25 AM CDT	Special Weather Statement	EWX	Bandera, Gillespie, Kerr, Real	65 min
Oct 31, 1:18 AM CDT	Special Weather Statement	EWX	Bandera, Blanco, Burnet, Gillespie, Kendall, Llano	72 min
Oct 31, 1:28 AM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kerr	3 hr
Oct 31, 2:12 AM CDT	Special Weather Statement	EWX	Blanco, Burnet, Travis, Williamson	78 min
Oct 31, 2:30 AM CDT	Flash Flood Warning	EWX	Bandera, Bexar, Blanco, Burnet, Comal, Hays and 4 more	7 hr
Oct 31, 2:41 AM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Frio, Medina, Wilson	64 min
Oct 31, 3:37 AM CDT	Special Weather Statement	EWX	Guadalupe, Wilson	53 min
Oct 31, 3:47 AM CDT	Flash Flood Warning	EWX	Bastrop, Caldwell, Guadalupe, Lee, Williamson	5 hr
Oct 31, 4:27 AM CDT	Special Weather Statement	EWX	Bastrop, Caldwell, DeWitt, Fayette, Gonzales, Lee	63 min
Oct 31, 5:37 AM CDT	Areal Flood Advisory	EWX	Caldwell, Fayette, Gonzales, Lavaca	113 min
Oct 31, 9:19 AM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Comal, Guadalupe, Hays, Lee and 2 more	6 hr

Nearby

Special Weather Statements in Texas, 2015 Every special weather statement in 2015

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.