Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

May 30, 2016Wilson County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at May 30, 2016, 7:01 AM CDT for Wilson County, Texas. It was in force for 59 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
May 30, 2016, 7:01 AM CDT (12:01 UTC)
Expired
May 30, 2016, 8:00 AM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX

County Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 53 km from the middle of the area, began a volume at 12:04 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

Corpus Christi, TX (KCRP), launched 12:00Z, 0.0 hours before the alert went out and 198 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, Corpus Christi, TX at 12:00Z on 2016-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2046 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2016-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
2046 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

463 
WWUS84 KEWX 301201
SPSEWX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
701 AM CDT MON MAY 30 2016
 
TXZ205-221-301300-
WILSON TX-BEXAR TX-
701 AM CDT MON MAY 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BEXAR AND
NORTHWESTERN WILSON COUNTIES UNTIL 800 AM CDT...

AT 701 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
KIRBY...OR 9 MILES SOUTHEAST OF SAN ANTONIO...MOVING SOUTHEAST AT 30
MPH.

NICKEL SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SAN ANTONIO...FLORESVILLE...SCHERTZ...ST. HEDWIG...ELMENDORF...LA VERNIA...
CALAVERAS LAKE...SUTHERLAND SPRINGS...SAYERS...SOUTHTON...ADKINS...CANADA
VERDE...PARITA...MARTINEZ...BRAUNIG LAKE...BROOKS CITY BASE AND BUENA
VISTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED 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.

&&

LAT...LON 2937 9851 2951 9824 2912 9794 2909 9837
TIME...MOT...LOC 1201Z 326DEG 25KT 2936 9838 

$$

ALLEN

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 3:15 AM CDTSpecial Weather StatementEWXBurnet45 min
May 30, 3:41 AM CDTSpecial Weather StatementEWXLlano49 min
May 30, 4:12 AM CDTSevere Thunderstorm WarningEWXLlano63 min
May 30, 4:44 AM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Gillespie43 min
May 30, 5:03 AM CDTAreal Flood AdvisoryEWXLlano3 hr
May 30, 5:08 AM CDTSpecial Weather StatementEWXGillespie52 min
May 30, 5:20 AM CDTSpecial Weather StatementEWXComal40 min
May 30, 5:56 AM CDTAreal Flood AdvisoryEWXBandera, Blanco, Gillespie, Kendall, Kerr, Real4 hr
May 30, 6:09 AM CDTSpecial Weather StatementEWXKerr51 min
May 30, 7:24 AM CDTFlash Flood WarningEWXBandera3 hr
May 30, 7:32 AM CDTAreal Flood AdvisoryEWXAtascosa, Bexar, Medina3 hr
May 30, 8:05 AM CDTSpecial Weather StatementEWXGonzales40 min
May 30, 8:53 AM CDTSpecial Weather StatementEWXDeWitt, Gonzales, Lavaca67 min
May 30, 9:12 AM CDTSevere Thunderstorm WarningEWXDeWitt, Lavaca63 min
May 30, 9:29 AM CDTRiver Flood WarningEWXLlano38 hr
May 30, 10:36 AM CDTRiver Flood WarningEWXBandera19 hr

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.