Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 136, NWS Austin/San Antonio, TX

May 2, 2006Frio County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 2, 2006, 7:16 PM CDT for Frio 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 counties it named.

The facts

Issued
May 2, 2006, 7:16 PM CDT (00:16 UTC)
Expired
May 2, 2006, 8:15 PM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Frio County, TX

The radar

The Laughlin AFB radar (KDFX), 122 km from the middle of the area, began a volume at 00:18 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 (KDRT), launched 00:00Z, 0.3 hours before the alert went out and 177 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 2006-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 824 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 2006-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.1939Sfc1 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
824 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
2741 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 2, 6:46 PM CDT, 30 minutes earlier.

Area forecast discussion, May 2, 6:46 PM CDT, 30 minutes before
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Hazardous weather outlook, May 2, 5:29 AM CDT, 13 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
529 AM CDT TUE MAY 2 2006

TXZ171>173-183>194-202>209-217>225-228-031030-
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-
529 AM CDT TUE MAY 2 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED EVENING THUNDERSTORMS OVER THE RIO GRANDE PLAINS AND
EDWARDS PLATEAU WILL PRODUCE GUSTY WINDS AND DEADLY CLOUD TO
GROUND LIGHTNING. OTHERWISE SCATTERED THUNDERSTORMS FRIDAY MAY
APPROACH SEVERE LIMITS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED FRIDAY.

In the hours before

Local storm report, May 2, 5:29 PM CDT, 1 hour 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
529 PM CDT TUE MAY 02 2006

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

0524 PM     FLASH FLOOD      7 ENE SAN ANTONIO       29.50N 98.40W
05/02/2006                   BEXAR              TX   TRAINED SPOTTER

            STREET FLOODING STOPPING TRAFIC ON INTERSTATE 35 AT
            WURZBACH

&&

JPB
Local storm report, May 2, 5:38 PM CDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
538 PM CDT TUE MAY 02 2006

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

0500 PM     HAIL             6 NE SAN ANTONIO        29.52N 98.43W
05/02/2006  E1.75 INCH       BEXAR              TX   PUBLIC

            I35/OCONNOR

0510 PM     HAIL             14 NE SAN ANTONIO       29.60N 98.34W
05/02/2006  E1.00 INCH       BEXAR              TX   TRAINED SPOTTER

            ROLLING OAKS MALL

0517 PM     HAIL             4 WSW AUSTIN            30.28N 97.81W
05/02/2006  M1.00 INCH       TRAVIS             TX   TRAINED SPOTTER

            MOPAC AT LOOP 360

&&

JPB
Local storm report, May 2, 5:49 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
549 PM CDT TUE MAY 02 2006

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

0517 PM     HAIL             LOCKHART                29.87N 97.68W
05/02/2006  M1.75 INCH       CALDWELL           TX   LAW ENFORCEMENT

0545 PM     HAIL             1 N WINDCREST           29.53N 98.38W
05/02/2006  M2.50 INCH       BEXAR              TX   NWS EMPLOYEE

            2 TO 2.5 INCH HAIL FOR 30 MINUTES

&&

JPB
Local storm report, May 2, 5:55 PM CDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
555 PM CDT TUE MAY 02 2006

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

0550 PM     HAIL             OLMOS PARK              29.47N 98.49W
05/02/2006  E1.75 INCH       BEXAR              TX   CO-OP OBSERVER

&&

JPB
Local storm report, May 2, 6:48 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
648 PM CDT TUE MAY 02 2006

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

0643 PM     HAIL             8 N POTEET              29.15N 98.58W
05/02/2006  M0.75 INCH       ATASCOSA           TX   AMATEUR RADIO

0632 PM     TSTM WND DMG     CASTROVILLE             29.35N 98.87W
05/02/2006                   MEDINA             TX   FIRE DEPT/RESCUE

            WIND DAMAGE TO ROOFS OF BUILDINGS

&&

JPB
Local storm report, May 2, 7:09 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
709 PM CDT TUE MAY 02 2006

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

0632 PM     FLASH FLOOD      8 ENE SAN ANTONIO       29.50N 98.38W
05/02/2006                   BEXAR              TX   DEPT OF HIGHWAYS

            TRANSGUIDE CAMERAS STILL SHOWING I35 FLOODED AT THOUSAND
            OAKS AND ALSO AT WEIDNER

&&

JPB

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:28 PM CDTSevere Thunderstorm WarningEWXMedina47 min
May 2, 8:00 PM CDTSevere Thunderstorm WarningEWXDimmit, Zavala60 min
May 2, 8:15 PM CDTSevere Thunderstorm WarningEWXFrio30 min
May 2, 8:40 PM CDTSevere Thunderstorm WarningEWXVal Verde80 min
May 2, 8:59 PM CDTSevere Thunderstorm WarningEWXDimmit, Zavala76 min
May 2, 9:06 PM CDTSevere Thunderstorm WarningEWXMaverick69 min
May 2, 9:11 PM CDTFlash Flood WarningEWXDimmit, Maverick, Zavala3 hr
May 2, 9:41 PM CDTSevere Thunderstorm WarningEWXEdwards38 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning in 2006

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.