Alert archive / Texas / Special Weather Statements in 2014

Special Weather Statement, NWS Austin/San Antonio, TX

October 10, 2014Val Verde County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Oct 10, 2014, 9:56 PM CDT for Val Verde County, Texas. It was in force for 49 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 10, 2014, 9:56 PM CDT (02:56 UTC)
Expired: Oct 10, 2014, 10:45 PM CDT
In force: 49 min
Issued by: NWS Austin/San Antonio, TX

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 157 km from the middle of the area, began a volume at 02:57 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

Del Rio, TX (KDLF), launched 00:00Z, 2.9 hours before the alert went out and 108 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: 1507 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 1379 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 10, 6:24 PM CDT, 3 hours 32 minutes earlier.

Area forecast discussion, Oct 10, 6:24 PM CDT, 3 hours 32 minutes before

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Hazardous weather outlook, Oct 10, 3:18 PM CDT, 6 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
318 PM CDT FRI OCT 10 2014

TXZ171>173-183>194-202>209-217>225-228-110945-
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-
318 PM CDT FRI OCT 10 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT.

A COLD FRONT WILL BE MOVING INTO SOUTH CENTRAL TEXAS LATE TONIGHT
WITH A THREAT FOR SHOWERS AND THUNDERSTORMS ESPECIALLY ACROSS
NORTHERN AND EASTERN SECTIONS OF SOUTH CENTRAL TEXAS. ALTHOUGH
WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...SOME STORMS AFTER
MIDNIGHT MIGHT BE STRONG WITH WIND GUSTS TO 50 MPH AND SMALL HAIL.
HEAVY DOWNPOURS AND ISOLATED RAIN TOTALS OF 1 TO 2 INCHES COULD CAUSE
MINOR FLOODING ESPECIALLY IN LOW LYING AREAS AND LOW WATER CROSSINGS.

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

STRONG STORMS ARE POSSIBLE SATURDAY MORNING AS A COLD FRONT PUSHES
THROUGH THE REGION. WIND GUSTS TO 50 MPH AND SMALL HAIL ARE
POSSIBLE. ANOTHER COLD FRONT IS EXPECTED ON MONDAY MORNING WITH
ANOTHER CHANCE FOR SHOWERS AND THUNDERSTORMS...SOME STORMS MAY BE
STRONG MAINLY ALONG AND NORTHEAST OF HIGHWAY 71. OTHERWISE NO
HAZARDOUS WEATHER IS EXPECTED THE REMAINDER OF NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT INTO SATURDAY
MORNING AS STRONG STORMS ARE POSSIBLE ACROSS NORTHERN AND EASTERN
SECTIONS OF SOUTH CENTRAL TEXAS.

In the hours before

Special weather statement, Oct 10, 9:56 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
956 PM CDT FRI OCT 10 2014

TXZ183-110345-
VAL VERDE-
956 PM CDT FRI OCT 10 2014

...SIGNIFICANT WEATHER ADVISORY FOR VAL VERDE COUNTY UNTIL 1045 PM
CDT...

AT 953 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES NORTH OF PUMPVILLE...OR 20 MILES
NORTHWEST OF LANGTRY...MOVING EAST AT 25 MPH.

WHILE THIS STORM PRODUCED GOLFBALL SIZED HAIL IN DRYDEN IT HAS
WEAKENED SIGNIFICANTLY. BECAUSE OF THIS HAIL UP TO THE SIZE OF
NICKELS AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
MAINLY RURAL AREAS OF VAL VERDE COUNTY.

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

LAT...LON 3007 10176 3014 10177 3018 10130 2993 10129
      2995 10177 3007 10177
TIME...MOT...LOC 0254Z 269DEG 23KT 3005 10176

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 11, 1:06 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	39 min
Oct 11, 1:47 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	58 min
Oct 11, 2:43 AM CDT	Special Weather Statement	EWX	Val Verde	77 min
Oct 11, 3:30 AM CDT	Special Weather Statement	EWX	Kinney	75 min
Oct 11, 4:43 AM CDT	Special Weather Statement	EWX	Kinney	47 min
Oct 11, 5:33 AM CDT	Areal Flood Advisory	EWX	Gillespie, Kendall, Kerr	117 min
Oct 11, 7:32 AM CDT	Areal Flood Advisory	EWX	Gillespie, Kendall, Kerr	118 min
Oct 11, 8:31 AM CDT	Special Weather Statement	EWX	Bexar	29 min
Oct 11, 8:53 AM CDT	Areal Flood Advisory	EWX	Bexar	2 hr

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.