Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 8, NWS Corpus Christi, TX

July 15, 2003Live Oak County, McMullen County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 15, 2003, 4:34 PM CDT for Live Oak County, McMullen County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 15, 2003, 4:34 PM CDT (21:34 UTC)
Expired
Jul 15, 2003, 7:30 PM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Counties, with a storm outline in the text

Counties Live Oak County, TX, McMullen County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood 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

Corpus Christi, TX (KCRP), launched 12:00Z, 9.6 hours before the alert went out and 115 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 2003-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 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 12:00Z on 2003-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
403 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KCRP 152139
FFWCRP
TXC297-311-160030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
434 PM CDT TUE JUL 15 2003

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LIVE OAK COUNTY IN TEXAS
  MCMULLEN COUNTY IN TEXAS

* UNTIL 730 PM CDT

* AT 429 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A VERY HEAVY RAINBAND FROM TROPICAL STORM CLAUDETTE MOVING FROM
  LIVE OAK COUNTY INTO MCMULLEN COUNTY.  CLAUDETTE WAS MOVING TO
  WEST AT AROUND 15 MPH.  THIS RAINBAND IS THE WEAKENING EYEWALL
  OF CLAUDETTE AND CONTAINS RAINFALL RATES OF 1 TO 3 INCHES AN 
  HOUR.  TOTAL RAINFALL AMOUNTS WILL AVERAGE BETWEEN 3 AND 5
  INCHES OF RAIN ACROSS MOST OF LIVE OAK AND MCMULLEN COUNTIES.

* SOME LOCATIONS AFFECTED INCLUDE...
  CALLIHAM...
  CHOKE CANYON...
  CLEGG...
  CROSS...
  DINERO...
  GEORGE WEST...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 2823 9787 2865 9811 2870 9803 2877 9812
          2860 9835 2861 9876 2809 9877 2810 9849
          2810 9794

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 15, 3:35 PM CDT, 59 minutes earlier.

Area forecast discussion, Jul 15, 3:35 PM CDT, 59 minutes before
COASTAL BEND FORECAST DISCUSSION...CORRECTED FOR INLAND WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
335 PM CDT TUE JUL 15 2003

SHORT-TERM(TONIGHT THRU WEDNESDAY)...CLAUDETTE STILL PACKING A PUNCH
ALTHOUGH EYE IS FILLING IN AND IS WELL INLAND.  WILL GO WITH INLAND
TROPICAL STORM WIND WARNING FOR THIS EVENING ALL NORTHERN
ZONES...BUT WINDS WILL DIMINISH FROM EAST TO WEST AS CLAUDETTE
CONTINUES IT INLAND TRACK.  FLASH FLOOD WATCH NEEDED GENERALLY NORTH
OF A LINE FROM ENCINAL TO PORTLAND BASED ON FORECAST OF RAINFALL AND
SEEING WHAT HAS ALSO FALLING WHERE CLAUDETTE HAS MADE ITS EFFECTS
KNOWN.  WINDS WILL DIE OFF.  HAVE FOLLOWED TPC FORECAST TRACK AND
WILL ADJUST GRIDS LATER TO MAKE A BETTER FIT AFTER THE ISSUANCE OF
TEXT PRODUCTS.  RAIN-COOLED AIR WILL BRING TEMPS DOWN...AND
LINGERING CLOUDS WILL KEEP TEMPS FROM GOING TOO HIGH ON WEDNESDAY.
WINDS BY TOMORROW AFTERNOON WILL FINALLY GO BACK TO A MORE SYNOPTIC
SCALE TYPE.  THE BOTTOM .CRP... SAYS ALL THAT IS IMPORTANT.

LONG TERM (WEDNESDAY NIGHT THRU TUESDAY)...REMNANTS OF CLAUDETTE ARE
FORECAST TO BE WELL WEST OF THE FORECAST AREA BY WEDNESDAY NIGHT.
BUT DEEP MOISTURE WILL REMAIN OVER THE AREA WITH THE POSSIBILITY OF
OUTER BANDS FROM CLAUDETTE MOVING ACROSS THE RIO GRANDE PLAINS
WEDNESDAY NIGHT. SO WILL CONTINUE LIKELY POPS OUT WEST FOR WEDNESDAY
NIGHT. WILL BLANKET CHANCE POPS AREAWIDE FOR THURSDAY AS DAYTIME
HEATING COMBINED WITH DEEP MOISTURE...PWATS NEAR 1.9 INCHES...AND
LIKELY SEABREEZE BOUNDARY WILL PROVIDE DECENT CHANCE FOR STORM
DEVELOPMENT. SLIGHTLY DRIER AIR WILL WORK ITS WAY INTO THE AREA
FRIDAY INTO THE WEEKEND AS THE UPPER RIDGE HOLDS TO THE NORTH OF THE
REGION. THERE IS THE POSSIBILITY OF WEAK SHORT WAVE TROFS MOVING
ACROSS THE AREA BUT CONFIDENCE IS NOT ENOUGH TO WARRANT ANYTHING
MORE THAN SLIGHT CHANCE POPS IN THE EXTENDED AT THIS TIME.

CRP TB 074/087 077/090 077 85342
VCT TB 072/089 077/091 076 95342
LRD TB 074/086 076/093 077 87642

.CRP...FLASH FLOOD WATCH FOR TXZ290>234-244>247.
       TROPICAL STORM WARNING IN EFFECT FOR COASTAL
       COUNTIES TXZ244>247 AND GMZ235-255-275.
       INLAND TROPICAL STORM WIND WARNING TXZ229>234.
       SCA GMZ230-250-270

86/SHORT-TERM
89/LONG-TERM
Hazardous weather outlook, Jul 15, 7:09 AM CDT, 9 hours 25 minutes before
TXZ229>234-239>247-161100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
709 AM CDT TUE JUL 15 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT

A HURRICANE WARNING IS IN EFFECT FROM BAFFIN BAY TO PORT OCONNOR.
ALSO...AN INLAND TROPICAL STORM WIND WARNING IS IN EFFECT FOR
VICTORIA...GOLIAD...BEE...JIM WELLS...LIVE OAK AND MCMULLEN
COUNTIES. AN INLAND TROPICAL STORM WIND WATCH IS IN EFFECT FOR DUVAL
AND LASALLE COUNTIES. A FLASH FLOOD WATCH IS IN EFFECT FOR THE
COUNTIES OF ARANSAS...BEE...CALHOUN...GOLIAD...LIVE OAK...MCMULLEN...
REFUGIO...SAN PATRICIO AND VICTORIA.

HIGH SWELLS PRODUCED BY TROPICAL STORM CLAUDETTE WILL CONTINUE TO
AFFECT THE SOUTH TEXAS COAST AND ADJACENT COASTAL WATERS TODAY. SMALL
CRAFT SHOULD REMAIN IN PORT. WATER LEVELS OVER THE BAYS AND WATERWAYS
ARE AROUND 2 TO 2.5 FEET ABOVE NORMAL...AND WILL CONTINUE TO INCREASE
TODAY AND TONIGHT...ESPECIALLY DURING TIME OF HIGH TIDE. THIS
AFTERNOON...STORM TIDE LEVELS BETWEEN 2 AND 4 FEET ABOVE MEAN SEA
LEVEL ARE EXPECTED SOUTH OF ROCKPORT. NORTH OF ROCKPORT...TIDES OF 4
TO 6 FEET ARE EXPECTED.

THE LATEST FORECAST FROM THE NATIONAL HURRICANE CENTER IS FOR
HURRICANE CLAUDETTE TO MOVE ONSHORE NEAR ROCKPORT THIS AFTERNOON.
A BRIEF PERIOD OF HURRICANE FORCE WINDS WILL ENTER THE COUNTIES
OF ARANSAS AND REFUGIO. TROPICAL STORM FORCE WINDS ARE EXPECTED TO
MOVE ACROSS MUCH OF THE NORTHERN PORTIONS OF THE COASTAL BEND THIS
AFTERNOON AND TONIGHT.

FLASH FLOODING IS POSSIBLE THIS AFTERNOON AND TONIGHT...AS CLAUDETTE
GENERATES RAINFALL AMOUNTS OF 2 TO 3 INCHES NORTH OF A LINE FROM
ROCKPORT TO ENCINAL...AND LESS THAN 2 INCHES SOUTH OF THIS LINE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

BY WEDNESDAY...TOTAL RAINFALL AMOUNTS FROM CLAUDETTE WILL RANGE FROM
5 TO 8 INCHES NORTH OF THE LINE FROM ROCKPORT TO ENCINAL...WITH 2 TO
4 INCHES SOUTH OF THIS LINE.

CLAUDETTE WILL CONTINUE MOVING WEST ACROSS THE NORTHERN RIO GRANDE
PLAINS ON WEDNESDAY. RAINFALL ON WEDNESDAY COULD BE HEAVY AND CAUSE
LOCALIZED FLOODING. POSSIBLE COASTAL FLOODING AND VERY HIGH SEAS
WILL SLOWLY DIMINISH WEDNESDAY NIGHT. NEAR NORMAL TEMPERATURES AND
MOSTLY A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WILL EXIT THE
REMAINDER OF THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED TODAY AND TONIGHT FOR THE COASTAL
BEND.

WC/BB

In the hours before

Local storm report, Jul 15, 1:57 PM CDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
157 PM CDT TUE JUL 15 2003

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

0152 PM    15 NW REFUGIO             TX   HURRICANE
07/15/03   GOLIAD                         HWY 77 CLOSED NORTH OF
                                          REFUGIO AND SOUTH OF HWY
                                          239. 5-6 18 WHEELERS BLOWN
                                          OVER ON THEIR SIDES ACROSS
                                          LANES.

0153 PM    HOLIDAY BEACH             TX   HURRICANE
07/15/03   ARANSAS                        SPEEDY STOP LOST ROOF.
                                          RELAYED BY HAM RADIO.

0126 PM    VICTORIA                  TX   HURRICANE
07/15/03   VICTORIA                       ASOS RECORDED WINDS GUSTING
                                          TO 83 MPH. RELAYED BY HAM
                                          RADIO. PHONE LINES ARE
                                          DOWN.

JR
Local storm report, Jul 15, 2:55 PM CDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
255 PM CDT TUE JUL 15 2003

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

1110 AM    12 NE PORT LAVACA         TX   HURRICANE
07/15/03   JACKSON                        EVERY STRUCTRE DAMAGED IN
                                          PORT ALTO.

1110 AM    PORT LAVACA               TX   HURRICANE
07/15/03   CALHOUN                        PORT LAVACA HIGH SCHOOL GYM
                                          ROOF GONE.

1120 AM    SEADRIFT                  TX   HURRICANE
07/15/03   CALHOUN                        MEASURED WINDS OF 97 MPH
                                          WITH GUST TO 111 MPH.

JR
Local storm report, Jul 15, 2:55 PM CDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
255 PM CDT TUE JUL 15 2003

CORRECTION FROM JACKSON COUNTY TO CALHOUN COUNTY FOR PORT ALTO EVENT

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

1110 AM    12 NE PORT LAVACA         TX   HURRICANE
07/15/03   CALHOUN                        EVERY STRUTURE DAMAGED IN
                                          PORT ALTO.

1110 AM    PORT LAVACA               TX   HURRICANE
07/15/03   CALHOUN                        PORT LAVACA HIGH SCHOOL GYM
                                          ROOF GONE.

1120 AM    SEADRIFT                  TX   HURRICANE
07/15/03   CALHOUN                        MEASURED WINDS OF 97 MPH
                                          WITH GUST TO 111 MPH.

JR
Local storm report, Jul 15, 3:02 PM CDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
302 PM CDT TUE JUL 15 2003

CORRECTION FROM JACKSON COUNTY TO CALHOUN COUNTY FOR PORT ALTO EVENT

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

1110 AM    12 NE PORT LAVACA         TX   HURRICANE
07/15/03   CALHOUN                        EVERY STRUCTURE DAMAGED IN
                                          PORT ALTO.

1110 AM    PORT LAVACA               TX   HURRICANE
07/15/03   CALHOUN                        PORT LAVACA HIGH SCHOOL GYM
                                          ROOF GONE.

1120 AM    SEADRIFT                  TX   HURRICANE
07/15/03   CALHOUN                        MEASURED WINDS OF 97 MPH
                                          WITH GUST TO 111 MPH.

JR
Special weather statement, Jul 15, 3:23 PM CDT, 1 hour 11 minutes before
TXZ229>234-244>247-160300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
323 PM CDT TUE JUL 15 2003

...A TORNADO WATCH IS IN EFFECT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH VALID UNTIL
1000 PM CDT TUESDAY EVENING. THE WATCH INCLUDES THE COUNTIES OF
ARANSAS...BEE...CALHOUN...GOLIAD...LA SALLE...LIVE OAK...MCMULLEN...
REFUGIO...SAN PATRICIO AND VICTORIA. SOME CITIES INCLUDED IN THE
WATCH ARE ARANSAS PASS...BEEVILLE...COTULLA...ENCINAL...GEORGE
WEST...GOLIAD...INGLESIDE...MATHIS...PORT LAVACA...PORT OCONNOR...
PORTLAND...REFUGIO...ROCKPORT...SEADRIFT...SINTON...SKIDMORE...THREE
RIVERS...TILDEN AND VICTORIA.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES TO OCCUR
IN OR NEAR THE WATCH AREA. IF TORNADOES DO IN FACT DEVELOP OR ARE
SPOTTED...THEN A TORNADO WARNING WILL BE ISSUED.

EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE
ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE
READY TO QUICKLY ACT IF THREATENING WEATHER APPROACHES YOUR AREA. IF
SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM
AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN
SEVERE WEATHER.

TROPICAL STORM CLAUDETTE WILL CONTINUE TO TRACK ACROSS THE NORTHERN
SECTIONS OF THE COASTAL BEND AND RIO GRANDE PLAINS THIS EVENING.
ISOLATED TORNADOES WILL BE POSSIBLE NEAR THE EYEWALL AND ALSO TO THE
EAST OF THE WEAKENING CENTER OF CLAUDETTE.  ANY TORNADOES THAT DO
FORM WILL BE BRIEF.

MB
Special weather statement, Jul 15, 3:23 PM CDT, 1 hour 11 minutes before
TXZ229>234-244>247-160300-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
323 PM CDT TUE JUL 15 2003

...A TORNADO WATCH IS IN EFFECT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH VALID UNTIL
1000 PM CDT TUESDAY EVENING. THE WATCH INCLUDES THE COUNTIES OF
ARANSAS...BEE...CALHOUN...GOLIAD...LA SALLE...LIVE OAK...MCMULLEN...
REFUGIO...SAN PATRICIO AND VICTORIA. SOME CITIES INCLUDED IN THE
WATCH ARE ARANSAS PASS...BEEVILLE...COTULLA...ENCINAL...GEORGE
WEST...GOLIAD...INGLESIDE...MATHIS...PORT LAVACA...PORT OCONNOR...
PORTLAND...REFUGIO...ROCKPORT...SEADRIFT...SINTON...SKIDMORE...THREE
RIVERS...TILDEN AND VICTORIA.

TROPICAL STORM CLAUDETTE WILL CONTINUE TO TRACK  WESTWARD ACROSS THE
NORTHERN SECTIONS OF THE COASTAL BEND AND RIO GRANDE PLAINS THIS
EVENING.  THE CENTER WAS LOCATED IN GOLIAD COUNTY AS OF 330 PM CDT.
ISOLATED TORNADOES WILL BE POSSIBLE NEAR THE EYEWALL AND ALSO TO THE
EAST OF THE WEAKENING CENTER OF CLAUDETTE.  ANY TORNADOES THAT DO
FORM WILL BE BRIEF.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES TO OCCUR
IN OR NEAR THE WATCH AREA. IF TORNADOES DO IN FACT DEVELOP OR ARE
SPOTTED...THEN A TORNADO WARNING WILL BE ISSUED.

RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE READY TO
QUICKLY ACT IF THREATENING WEATHER APPROACHES YOUR AREA. IF A
TORNADO THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM AND LAY
DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO
OUTRUN A TORNADO.

MB

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 12:44 PM CDTFlash Flood WarningCRPAransas, Calhoun, Refugio, Victoria4 hr
Jul 15, 1:09 PM CDTTornado WarningCRPAransas, Goliad, Refugio, Victoria111 min
Jul 15, 1:43 PM CDTFlash Flood WarningCRPBee, Goliad4 hr

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood 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.