Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 15, NWS Austin/San Antonio, TX

March 25, 2003Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 25, 2003, 5:13 PM CST for Uvalde County, Texas. It was in force for 62 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 25, 2003, 5:13 PM CST (23:13 UTC)
Expired
Mar 25, 2003, 6:15 PM CST
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Uvalde 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 nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.2 hours before the alert went out and 113 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 2003-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1059 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 2003-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.1939587897Sfc1 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
1059 J/kg
Mixed-layer CIN
-217 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 252313
SVRSAT
TXC463-260015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
512 PM CST TUE MAR 25 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 615 PM CST

* AT 512 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CONCAN...OR ABOUT 18 MILES SOUTH OF
  LEAKEY...MOVING EAST AT 10 MPH.  VERY HEAVY RAINFALL WAS ALSO
  NOTED WHICH MAY IMPACT LOW WATER CROSSINGS.  NICKEL SIZE HAIL 
  WAS REPORTED AT CONCAN BY A NATIONAL WEATHER SERVICE SPOTTER.  

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  CONCAN
  UTOPIA

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 2949 9983 2935 9984 2929 9945 2963 9946

$$

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 Mar 25, 3:30 PM CST, 1 hour 43 minutes earlier.

Area forecast discussion, Mar 25, 3:30 PM CST, 1 hour 43 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
330 PM CST TUE MAR 25 2003

ADD SVR WX WATCH #74

CLEARING LINE PROGRESSING EASTWARD AS COLD FRONT DROPS SOUTH AND
DRY LINE JUST HANGS OUT WEST.  WILL KEEP SAME AREA OF SEVERE
THUNDERSTORMS AS PER SPC.  AFTER 850MB FRONT PASSES THROUGH TONIGHT
SKY WILL BE CLEAR.  A SUNNY DAY TOMORROW THEN CLOUDS ROLL BACK IN AS
THE NEXT VIGOROUS STORM SYSTEM, OVER THE ALASKAN GULF, MOVES ACROSS
THE ROCKIES THURSDAY.  ANOTHER FRONTAL PASSAGE FRIDAY WITH BLUSTERY
NORTH WINDS.  FEEL SUFFICIENT MOISTURE WILL BE AVBL FRIDAY FOR
SCATTERED SHOWERS AND THUNDERSTORMS WITH FROPA. LONG WAVE RIDGING
TAKES A HOLD FOR THE WEEKEND WITH MOSTLY CLEAR SKIES AND NEAR
SEASONAL TEMPERATURES.  THE UPPER RIDGE IS EXPECTED TO HOLD FIRM
THROUGH MONDAY, THEN FLATTEN OUT TUESDAY.

PRELIMS NUMBERS...
AUS 52 75 49 75 58 60000
DRT 52 78 54 82 65 -0003
SAT 54 76 52 76 62 40000

.EWX...SEVERE THUNDERSTORM WATCH #74 TIL 9PM ALONG AND EAST OF A
        LLANO TO TARPLEY TO PEARSALL TO CRYSTAL CITY LINE    .

06/08/23
Hazardous weather outlook, Mar 25, 5:44 AM CST, 11 hours 29 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
544 AM CST TUE MAR 25 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY
SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS MAINLY THE EASTERN HALF
OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON THROUGH TONIGHT. THERE IS
ALSO A RED FLAG WARNING IN EFFECT FOR WESTERN SECTIONS OF SOUTH
CENTRAL TEXAS FOR TODAY.

AN UPPER-LEVEL DISTURBANCE AND COLD FRONT WILL MOVE THROUGH SOUTH
CENTRAL TEXAS THIS AFTERNOON AND EVENING. OVER WESTERN SECTIONS OF
SOUTH CENTRAL TEXAS CONDITIONS WILL BE FAVORABLE FOR THE SPREAD OF
WILDFIRES WITH VERY LOW HUMIDITIES AND GUSTY WINDS BEHIND THE FRONT.

ACROSS CENTRAL AND EASTERN SECTIONS OF SOUTH CENTRAL TEXAS...
SCATTERED THUNDERSTORMS WILL DEVELOP AS THE FRONT ENCOUNTERS AMPLE
MOISTURE AT THE TIME OF PEAK AFTERNOON HEATING. THE THREAT OF SEVERE
WEATHER WILL BE MAINLY ALONG AND EAST OF A BURNET TO COMFORT TO
PEARSALL LINE.

ANY THUNDERSTORM THAT DEVELOPS COULD PRODUCE LARGE HAIL...DAMAGING
WINDS...ISOLATED TORNADOES...AND LOCALLY HEAVY DOWNPOURS UP TO 2
INCHES. THE FRONT WILL PUSH EAST AND FOCUS THUNDERSTORMS AWAY FROM
SOUTH CENTRAL TEXAS BY EARLY WEDNESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Mar 25, 3:15 PM CST, 1 hour 58 minutes before
TXZ171>173-183>194-202>209-217>225-228-260300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
315 PM CST TUE MAR 25 2003

...INCREASING CHANCE OF SHOWERS OR THUNDERSTORMS FOR PARTS OF
CENTRAL AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON AND TONIGHT...

A COLD FRONT WILL MOVE OVER THE NORTH AND WEST PARTS OF THE HILL
COUNTRY IN THE LATE AFTERNOON TO EARLY EVENING TODAY...TO PARTS OF
CENTRAL TEXAS AND NORTHERN PARTS OF SOUTH CENTRAL TEXAS IN THE
EVENING HOURS AFTER 6 TO 8 PM...AND OVER THE REST OF SOUTH CENTRAL
TEXAS LATER TONIGHT.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM NEAR THE COLD FRONT
LATER THIS AFTERNOON AND IN THE EVENING AND NIGHTTIME HOURS.  SOME
OF THE THUNDERSTORMS MAY BE SEVERE MAINLY NEAR AND EAST OF A BURNET
AND LLANO COUNTY TO SOUTH OF SAN ANTONIO LINE...WHERE SOME LARGE
HAIL AND STRONG WINDS IS POSSIBLE.  ISOLATED TORNADOES COULD FORM
WITH SOME OF THE THUNDERSTORMS OVER THE EAST PART OF SOUTH CENTRAL
TEXAS.  ANY THUNDERSTORM WILL CAUSE FREQUENT DANGEROUS LIGHTNING AND
LOCALLY
HEAVY RAIN.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF SOUTH CENTRAL
TEXAS IN THE PRE DAWN TO EARLY MORNING HOURS WEDNESDAY...AS THE THE
COLD FRONT MOVES OUT OF SOUTH CENTRAL TEXAS.

SUNNY CONDITIONS ARE EXPECTED DURING THE DAY WEDNESDAY...IN WAKE OF
THE COLD FRONT...AND ITS ASSOCIATED UPPER LEVEL DISTURBANCE.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.
Special weather statement, Mar 25, 3:25 PM CST, 1 hour 48 minutes before
TXZ171>173-183>194-202>209-217>225-228-260300-

SPECIAL WEATHER STATEMENT UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
325 PM CST TUE MAR 25 2003

...INCREASING CHANCE OF SHOWERS OR THUNDERSTORMS FOR PARTS OF
CENTRAL AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON AND TONIGHT...

A COLD FRONT WILL MOVE OVER THE NORTH AND WEST PARTS OF THE HILL
COUNTRY IN THE LATE AFTERNOON TO EARLY EVENING TODAY...TO PARTS OF
CENTRAL TEXAS AND NORTHERN PARTS OF SOUTH CENTRAL TEXAS IN THE
EVENING HOURS AFTER 6 TO 8 PM...AND OVER THE REST OF SOUTH CENTRAL
TEXAS LATER TONIGHT.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM NEAR THE COLD FRONT
LATER THIS AFTERNOON AND IN THE EVENING AND NIGHTTIME HOURS.  SOME
OF THE THUNDERSTORMS MAY BE SEVERE MAINLY NEAR AND EAST OF A LINE
FROM BURNET AND LLANO COUNTY...TO BANDERA COUNTY...AND TO DIMMIT AND
ZAVALA COUNTIES.  IN THIS AREA THUNDERSTORMS MAY PRODUCE LARGE HAIL
AND STRONG WINDS.  ISOLATED TORNADOES COULD FORM WITH SOME OF THE
THUNDERSTORMS OVER THE EAST PART OF SOUTH CENTRAL TEXAS.  ANY
THUNDERSTORM WILL CAUSE FREQUENT DANGEROUS LIGHTNING AND LOCALLY
HEAVY RAIN.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE OUT OF SOUTH CENTRAL
TEXAS IN THE PRE DAWN TO EARLY MORNING HOURS WEDNESDAY...AS THE THE
COLD FRONT MOVES OUT OF SOUTH CENTRAL TEXAS.

SUNNY CONDITIONS ARE EXPECTED DURING THE DAY WEDNESDAY...IN WAKE OF
THE COLD FRONT...AND ITS ASSOCIATED UPPER LEVEL DISTURBANCE.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 5:01 PM CSTSevere Thunderstorm WarningEWXKendall59 min
Mar 25, 5:08 PM CSTSevere Thunderstorm WarningEWXBandera52 min
Mar 25, 5:18 PM CSTSevere Thunderstorm WarningEWXGillespie42 min
Mar 25, 5:27 PM CSTSevere Thunderstorm WarningEWXBlanco63 min
Mar 25, 5:32 PM CSTFlash Flood WarningEWXGillespie3 hr
Mar 25, 5:37 PM CSTSevere Thunderstorm WarningEWXBurnet53 min
Mar 25, 5:46 PM CSTFlash Flood WarningEWXKendall3 hr
Mar 25, 5:51 PM CSTSevere Thunderstorm WarningEWXWilliamson54 min
Mar 25, 5:58 PM CSTSevere Thunderstorm WarningEWXKendall62 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.