Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 116, NWS Austin/San Antonio, TX

June 13, 2003DeWitt County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 13, 2003, 10:00 PM CDT for DeWitt County, Texas. It was in force for 30 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, 10:00 PM CDT (03:00 UTC)
Expired
Jun 13, 2003, 10:30 PM CDT
In force
30 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County DeWitt County, TX

The radar

The Austin/San Antonio radar (KEWX), 87 km from the middle of the area, began a volume at 03:04 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.

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, 6:55 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.0 hours before the alert went out and 161 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 00:00Z on 2003-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3720 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, Corpus Christi, TX at 00:00Z on 2003-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
3720 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
1.7
Supercell composite
6.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 140300
SVRSAT
TXC123-140330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1001 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...
  DEWITT

* UNTIL 1030 PM CDT

* AT 1001 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AREAS
OF THUNDERSTORMS...SOME SEVERE...OVER PARTS OF DEWITT COUNTY FROM 
SOUTH OF YORKTOWN TO WEST AND NORTH CUERO TO SOUTHWEST OF YOAKUM...
MOVING EAST AT 25 MILES AN HOUR.

STRONG WINDS...HAIL...LOCALLY HEAVY RAIN...AND FREQUENT DEADLY 
LIGHTNING WILL ACCOMPANY THESE THUNDERSTORMS.

LAT...LON 2916 9753 2902 9742 2922 9712 2932 9722

$$

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, 9:39 PM CDT, 21 minutes earlier.

Area forecast discussion, Jun 13, 9:39 PM CDT, 21 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
939 PM CDT FRI JUN 13 2003

WILL UPDATE THE ZONES AGAIN TO LOWER POPS SIGNIFICANTLY FOR THE
REMAINDER OF TONIGHT FOR MAINLY THE WESTERN HALF. LARGE MCS WILL
CREATE TEMPORARY STABILITY TO REDUCE THE LIKELIHOOD OF THUNDERSTORMS
AFTER MIDNIGHT DESPITE VERY UNSTABLE CONDITIONS IN THE UPPER LEVELS.
ALTHOUGH THE RAINS ARE TEMPORARILY PUSHING EAST, THERE REMAINS A
GOOD CHANCE THAT A FLASH FLOOD WATCH WILL NEED TO BE EXTENDED INTO
SATURDAY AS MODELS SUGGEST ANOTHER ROUND OF DAYTIME THUNDERSTORMS
FORMING. NORTHERN SECTIONS STILL ARE THE MAIN AREAS PRONE TO
FLOODING, ALTHOUGH SOUTHERN AREAS MAY LOSE THE ABILITY TO TREAD
WATER AFTER THE NEXT WAVE OF EXPECTED STORMS MOVES THROUGH.

THE NEW MESO-ETA RUN SHOWS THE NEXT ROUND OF STORMS ROTATING SOUTH
IN NW FLOW ALOFT FROM THE LBB AREA INTO SOUTH CENTRAL TX BY SATURDAY
AFTERNOON. CURRENT TRENDS OVER THE HIGH PLAINS SUGGEST THE NEXT
ROUND MAY BE AHEAD OF SCHEDULE AND READY TO MOVE INTO THE HILL
COUNTRY BY DAYBREAK. WITH RAIN ONGOING IN THE EASTERN HALF OF THE
FFA AREA, WILL KEEP WATCH UP AND LEAVE FOR THE EARLY MORNING SHIFT
TO CANCEL OR EXTEND AS NECESSARY. THE AIR FOR THE REST OF TONIGHT
WILL FEEL MUCH BETTER AS MANY READINGS ARE ALREADY IN THE UPPER 60S
IN THE WAKE OF THE STRONG STORM SYSTEM.

.EWX...NONE
18/8/23
Hazardous weather outlook, Jun 13, 6:00 AM CDT, 16 hours 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, 4 hours 11 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
Local storm report, Jun 13, 6:56 PM CDT, 3 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
656 PM CDT FRI JUN 13 2003

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

0640 PM    CRYSTAL CITY              TX   WIND DAMAGE
06/13/03   ZAVALA                         WIRES, POLES AND TREES
                                          DOWN
                                          REPORTED BY LAW
                                          ENFORCEMENT

DC
Local storm report, Jun 13, 8:35 PM CDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
835 PM CDT FRI JUN 13 2003

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

0500 PM    LOCKHART                  TX   WIND DAMAGE
06/13/03   CALDWELL                       TREES DOWN COUNTY
                                          WIDE
                                          REPORTED BY LAW
                                          ENFORCEMENT

0530 PM    BASTROP                   TX   WIND DAMAGE
06/13/03   BASTROP                        POWER LINES DOWN
                                          REPORTED BY LAW
                                          ENFORCEMENT

0600 PM    LA GRANGE                 TX   WIND DAMAGE
06/13/03   FAYETTE                        TREES DOWN
                                          REPORTED BY LAW
                                          ENFORCEMENT

0610 PM    GIDDINGS                  TX   WIND DAMAGE
06/13/03   LEE                            TREE DOWN BLOCKING
                                          ROAD
                                          REPORTED BY LAW
                                          ENFORCEMENT

0725 PM    POTEET                    TX   WIND DAMAGE
06/13/03   ATASCOSA                       TREES DOWN
                                          REPORTED BY LAW
                                          ENFORCEMENT

DC
Local storm report, Jun 13, 9:22 PM CDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
922 PM CDT FRI JUN 13 2003

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

0423 PM    LIBERTY HILL MIDDLE SCHOOL
           AUSTIN                    TX   58 MPH TSTM WIND GUST
06/13/03   WILLIAMSON                     REPORTED BY KXAN LIVE
                                          WEATHERNET

0424 PM    LEANDER MIDDLE SCHOOL
           AUSTIN                    TX   65 MPH TSTM WIND GUST
06/13/03   WILLIAMSON                     REPORTED BY KXAN LIVE
                                          WEATHERNET

0434 PM    TEXAS SCHOOL FOR THE DEAF
           AUSTIN                    TX   60 MPH TSTM WIND GUST
06/13/03   TRAVIS                         REPORTED BY KXAN LIVE
                                          WEATHERNET
0445 PM    183 AND BURNET ROAD
           AUSTIN                    TX   WIND DAMAGE
                                          WIND BLEW PART OF
06/13/03                                  STRIP CENTER ROOF
                                          INTO A SERVICE
                                          STATION NEXT DOOR
                                          REPORTED BY KEYE

DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:08 PM CDTTornado WarningEWXFrio67 min
Jun 13, 7:17 PM CDTSevere Thunderstorm WarningEWXAtascosa58 min
Jun 13, 7:30 PM CDTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe60 min
Jun 13, 7:55 PM CDTFlash Flood WarningEWXAtascosa, Guadalupe, Wilson3 hr
Jun 13, 8:37 PM CDTFlash Flood WarningEWXCaldwell, Gonzales, Karnes3 hr
Jun 13, 9:08 PM CDTSevere Thunderstorm WarningEWXDeWitt52 min
Jun 13, 9:49 PM CDTSevere Thunderstorm WarningEWXLavaca71 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; radar from the NEXRAD Level II archive.