Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

April 10, 2016Atascosa County, Bexar County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Apr 10, 2016, 11:12 PM CDT for Atascosa County, Bexar County, Texas. It was in force for 48 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: Apr 10, 2016, 11:12 PM CDT (04:12 UTC)
Expired: Apr 11, 2016, 12:00 AM CDT
In force: 48 min
Issued by: NWS Austin/San Antonio, TX

Counties Atascosa County, TX, Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 82 km from the middle of the area, began a volume at 04:13 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, 4.2 hours before the alert went out and 209 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: 1740 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1559 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 90 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 10, 8:54 PM CDT, 2 hours 18 minutes earlier.

Area forecast discussion, Apr 10, 8:54 PM CDT, 2 hours 18 minutes before

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Hazardous weather outlook, Apr 10, 6:26 PM CDT, 4 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
626 PM CDT SUN APR 10 2016

TXZ171>173-183>194-202>209-217>225-228-111100-
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-
626 PM CDT SUN APR 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TONIGHT.

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT
GENERALLY WEST OF A LINE FROM KERRVILLE TO HONDO TO PEARSALL...

...THERE IS A MARGINAL RISK FOR SEVERE WEATHER ALONG THE
INTERSTATE 35 CORRIDOR AND HILL COUNTRY INCLUDING AUSTIN THROUGH
THE LATE EVENING HOURS...

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE AREA THIS
EVENING AND OVERNIGHT. STORMS ARE EXPECTED TO FORM WEST OF THE
RIO GRANDE RIVER AND QUICKLY MOVE NORTHEAST INTO SOUTH CENTRAL
TEXAS. LARGE HAIL AND DAMAGING STRAIGHT LINE WIND GUSTS ARE THE
MAIN THREATS. A BRIEF TORNADO IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE FAR EASTERN
COUNTIES MONDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING AS STORMS DEVELOP
AND ENTER SOUTH CENTRAL TEXAS.

In the hours before

Special weather statement, Apr 10, 6:36 PM CDT, 4 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
636 PM CDT SUN APR 10 2016

TXZ183-202-110015-
VAL VERDE TX-KINNEY TX-
636 PM CDT SUN APR 10 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN VAL VERDE AND WEST
CENTRAL KINNEY COUNTIES UNTIL 715 PM CDT...

AT 635 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 13
MILES SOUTHWEST OF CIENEGAS TERRACE...OR 16 MILES SOUTHWEST OF DEL
RIO...MOVING EAST AT 40 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DEL RIO...CIENEGAS TERRACE...STANDART...LAUGHLIN AFB...AMANDA AND VAL
VERDE PARK.

THIS STORM 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 MIDNIGHT CDT FOR
SOUTH CENTRAL TEXAS.

LAT...LON 2940 10103 2950 10068 2923 10057 2919 10077
      2922 10078 2923 10080 2924 10079 2926 10081
      2927 10086 2931 10089 2933 10094 2935 10095
      2935 10097
TIME...MOT...LOC 2335Z 258DEG 35KT 2925 10113

TB3

Special weather statement, Apr 10, 7:11 PM CDT, 4 hours 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
711 PM CDT SUN APR 10 2016

TXZ202-110100-
KINNEY TX-
711 PM CDT SUN APR 10 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL KINNEY COUNTY UNTIL 800
PM CDT...

AT 710 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
STANDART...OR 13 MILES EAST OF DEL RIO...MOVING EAST AT 40 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BRACKETTVILLE...ALAMO VILLAGE...STANDART...AMANDA AND TURKEY MOUNTAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

LAT...LON 2928 10074 2930 10075 2932 10074 2932 10075
      2934 10071 2938 10071 2941 10070 2953 10024
      2929 10018 2925 10075
TIME...MOT...LOC 0010Z 258DEG 37KT 2931 10068

TB3

Local storm report, Apr 10, 10:37 PM CDT, 35 minutes before

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Special weather statement, Apr 10, 11:12 PM 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
Apr 10, 7:11 PM CDT	Special Weather Statement	EWX	Kinney	49 min
Apr 10, 7:48 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick, Val Verde	57 min
Apr 10, 8:39 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	51 min
Apr 10, 9:17 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick, Uvalde, Zavala	73 min
Apr 10, 10:25 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina, Uvalde, Zavala	44 min
Apr 10, 11:47 PM CDT	Special Weather Statement	EWX	Bexar, Guadalupe	43 min
Apr 11, 5:36 AM CDT	Special Weather Statement	EWX	Bastrop, Caldwell	54 min

Nearby

Special Weather Statements in Texas, 2016 Every special weather statement in 2016

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.