Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

March 23, 2016Edwards County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Mar 23, 2016, 11:11 PM CDT for Edwards 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
Mar 23, 2016, 11:11 PM CDT (04:11 UTC)
Expired
Mar 24, 2016, 12:00 AM CDT
In force
49 min
Issued by
NWS Austin/San Antonio, TX

County Edwards County, TX

The radar

The Laughlin AFB radar (KDFX), 70 km from the middle of the area, began a volume at 04:15 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 84 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-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2016-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1001 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2016-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1001 J/kg
Mixed-layer CIN
-179 J/kg
Mixed-layer LCL
2344 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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 Mar 23, 7:46 PM CDT, 3 hours 25 minutes earlier.

Area forecast discussion, Mar 23, 7:46 PM CDT, 3 hours 25 minutes before
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Hazardous weather outlook, Mar 23, 4:30 AM CDT, 18 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
430 AM CDT WED MAR 23 2016

TXZ171>173-183>194-202>209-217>225-228-241000-
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-
430 AM CDT WED MAR 23 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT.

A COLD FRONT WILL BRING SHOWERS AND THUNDERSTORMS TO MUCH OF
SOUTH CENTRAL TEXAS TONIGHT. THERE IS A MARGINAL RISK OF SEVERE
STORMS FOR THE EASTERN HILL COUNTRY...I-35 CORRIDOR TO THE COASTAL
PLAINS. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Mar 23, 11:11 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1111 PM CDT WED MAR 23 2016

TXZ184-240500-
EDWARDS TX-
1111 PM CDT WED MAR 23 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL EDWARDS COUNTY UNTIL
MIDNIGHT CDT...

AT 1111 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR CARTA VALLEY...OR 7 MILES SOUTHEAST OF LOMA ALTA...MOVING EAST AT
40 MPH.

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

LOCATIONS IMPACTED INCLUDE...
ROCKSPRINGS...CARTA VALLEY AND DEVILS SINKHOLE STATE NATURAL AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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.

&&

LAT...LON 3024 10000 2971 10004 2971 10005 2965 10005
      2975 10070 3000 10070
TIME...MOT...LOC 0411Z 270DEG 33KT 2986 10066

CP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 11:36 PM CDTSpecial Weather StatementEWXVal Verde39 min
Mar 23, 11:46 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde44 min
Mar 23, 11:51 PM CDTSpecial Weather StatementEWXKinney39 min
Mar 24, 12:33 AM CDTSpecial Weather StatementEWXBlanco27 min
Mar 24, 12:50 AM CDTSevere Thunderstorm WarningEWXBlanco, Comal, Gillespie, Hays, Kendall40 min
Mar 24, 12:57 AM CDTSpecial Weather StatementEWXBandera, Comal, Kendall, Medina63 min
Mar 24, 1:14 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde46 min
Mar 24, 1:23 AM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Comal, Guadalupe, Hays, Travis67 min
Mar 24, 1:29 AM CDTSpecial Weather StatementEWXZavala46 min
Mar 24, 1:42 AM CDTSevere Thunderstorm WarningEWXUvalde, Zavala48 min
Mar 24, 1:45 AM CDTSpecial Weather StatementEWXBexar, Comal, Guadalupe45 min
Mar 24, 2:16 AM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Fayette, Gonzales, Lee, Travis44 min
Mar 24, 2:20 AM CDTSpecial Weather StatementEWXAtascosa, Gonzales, Guadalupe, Karnes, Wilson55 min
Mar 24, 2:22 AM CDTSpecial Weather StatementEWXFrio, Medina53 min
Mar 24, 2:45 AM CDTSpecial Weather StatementEWXGuadalupe45 min
Mar 24, 2:54 AM CDTSevere Thunderstorm WarningEWXAtascosa, Frio66 min
Mar 24, 3:01 AM CDTSpecial Weather StatementEWXBastrop, Caldwell, DeWitt, Fayette, Gonzales, Guadalupe and 4 more59 min
Mar 24, 3:11 AM CDTSevere Thunderstorm WarningEWXCaldwell, DeWitt, Gonzales, Guadalupe, Karnes, Wilson49 min
Mar 24, 3:54 AM CDTSpecial Weather StatementEWXLavaca36 min
Mar 24, 4:26 AM CDTSpecial Weather StatementEWXWilson34 min
Mar 24, 4:57 AM CDTSpecial Weather StatementEWXGonzales33 min

Nearby

Special Weather Statements in Texas, 2016Every 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.