Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 110, NWS Austin/San Antonio, TX

June 13, 2003Medina County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 13, 2003, 6:47 PM CDT for Medina County, Texas. It was in force for 58 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
Jun 13, 2003, 6:47 PM CDT (23:47 UTC)
Expired
Jun 13, 2003, 7:45 PM CDT
In force
58 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Medina County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 13, 3:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.8 hours before the alert went out and 162 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 12:00Z on 2003-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3986 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 12:00Z on 2003-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
3986 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
2.3
Supercell composite
9.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KEWX 132347
SVRSAT
TXC325-140045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
647 PM CDT FRI JUN 13 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  MEDINA

* UNTIL 745 PM CDT

* AT 647 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTH OF DHANIS...OR ABOUT 12 MILES   
  SOUTHWEST OF HONDO...MOVING NORTHEAST AT 25 MPH.

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  DHANIS
  HONDO
  CASTROVILLE
  RIO MEDINA
  MICO

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.


LAT...LON 2958 9939 2911 9939 2912 9883 2954 9884

$$

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 Jun 13, 2:55 PM CDT, 3 hours 52 minutes earlier.

Area forecast discussion, Jun 13, 2:55 PM CDT, 3 hours 52 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
255 PM CDT FRI JUN 13 2003

...FLASH FLOOD WATCH AND SEVERE THUNDERSTORM WATCH OUT SOON...

POTENT SHORTWAVE TROUGH OVER NORTHERN MEXICO APPROACHING RAPIDLY AND
IS THE MAIN INGREDIENT FOR INCREASED POPS TONIGHT...WHICH WILL
INCREASE FROM SOUTH TO NORTH WITH 100 PERCENT POPS FOR THE AUSTIN
METRO AND COUNTIES NORTH. MORE CONVECTION CURRENTLY FIRING OVER
WESTERN VAL VERDE AND ALONG THE SIERRA MADRES WILL MOVE EAST WITH
TIME AND BRING HEAVY RAIN TO AREAS THAT ALREADY RECEIVED HEAVY RAIN
THIS MORNING. WITH PWS 120-150 PERCENT OF NORMAL...WILL GO AHEAD AND
PULL THE TRIGGER ON A FLASH FLOOD WATCH FOR OUR NORTHERN COUNTIES.
WILL HAVE FFA OUT SHORTLY.

SEVERE THREAT THIS AFTERNOON AND EVENING ON THE INCREASE AS
WELL...WILL BE HANDLED BY A WATCH DUE OUT SHORTLY...MAINLY FOR THE
NORTHERN HALF OF SOUTH CENTRAL TEXAS. CLUSTER MOVING EAST ACROSS THE
HILL COUNTRY WILL BE MOVING INTO A VERY UNSTABLE AIRMASS WITH CAPES
OF 3500-5000 AND STRONG LOW LEVEL INFLOW. WILL MAKE A MESS DURING
RUSH-HOUR TRAFFIC.

NO SIGNIFICANT CHANGES TO THE PREVIOUS FORECAST FOR MONDAY THRU
WEDNESDAY...WITH A TREND TOWARD CLIMO THEREAFTER.

11/03

PRELIMINARY NUMBERS...
AUS 094/075 092/070 090 36433
DRT 096/074 096/075 094 26233
SAT 094/076 094/074 092 25433

.EWX...NONE.
Hazardous weather outlook, Jun 13, 6:00 AM CDT, 12 hours 47 minutes before
TXZ171>173-183>194-202>209-217>225-228-141200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 AM CDT FRI JUN 13 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
MAINLY OVER WESTERN PORTIONS OF SOUTH CENTRAL TEXAS...MAINLY VAL
VERDE...EDWARDS AND KINNEY COUNTIES.  SEVERE THUNDERSTORMS ARE
EXPECTED TO DEVELOP BY LATE AFTERNOON ALONG A DRY LINE OVER
WEST TEXAS AND SPREAD RAPIDLY EASTWARD.  A MODERATE RISK OF
SEVERE STORMS EXISTS THIS EVENING THROUGHOUT ALL OF SOUTH CENTRAL
TEXAS AS A VIGOROUS UPPER AIR DISTURBANCE MOVES ACROSS THE AREA.
THIS INCLUDES THE AUSTIN AND SAN ANTONIO METRO AREAS. LARGE HAIL AND
DAMAGING WINDS MAY OCCUR ALONG WITH A FEW TORNADOES LATE THIS
AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...
ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE SATURDAY
THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS AFTERNOON AND
EVENING FOR MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY.

In the hours before

Local storm report, Jun 13, 5:49 PM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
549 PM CDT FRI JUN 13 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0503 PM    DEL RIO                   TX   FLASH FLOODS
06/13/03   VAL VERDE                      LOW WATER CROSSINGS
                                          CLOSED
                                          REPORTED BY LAW
                                          ENFORCEMENT

0520 PM    BARTLETT                  TX   65 MPH TSTM WIND GUST
06/13/03   WILLIAMSON                     TREES DOWN
                                          REPORTED BY LAW
                                          ENFORCEMENT

0525 PM    MOPAC                     TX   WIND DAMAGE
06/13/03   TRAVIS                         PHONE POLES DOWN
                                          REPORTED
                                          BY SPOTTERS

0559 PM    AUSTIN AIRPORT            TX   .75 INCH HAIL
06/13/03   TRAVIS                         REPORTED BY
                                          ASOS

VL/DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 10:08 AM CDTSevere Thunderstorm WarningEWXVal Verde37 min
Jun 13, 11:38 AM CDTSevere Thunderstorm WarningEWXVal Verde52 min
Jun 13, 3:16 PM CDTTornado WarningEWXKendall44 min
Jun 13, 3:46 PM CDTSevere Thunderstorm WarningEWXComal59 min
Jun 13, 3:58 PM CDTSevere Thunderstorm WarningEWXHays62 min
Jun 13, 4:15 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson60 min
Jun 13, 4:32 PM CDTFlash Flood WarningEWXVal Verde118 min
Jun 13, 4:41 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Guadalupe64 min
Jun 13, 4:47 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick73 min
Jun 13, 5:18 PM CDTSevere Thunderstorm WarningEWXLee57 min
Jun 13, 5:34 PM CDTSevere Thunderstorm WarningEWXFayette56 min
Jun 13, 6:20 PM CDTSevere Thunderstorm WarningEWXZavala40 min
Jun 13, 6:31 PM CDTFlash Flood WarningEWXBandera, Bexar, Blanco, Comal, Gillespie, Hays and 4 more3 hr
Jun 13, 6:51 PM CDTSevere Thunderstorm WarningEWXFrio54 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003

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.