Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 10, NWS Corpus Christi, TX

July 16, 2003Goliad County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 16, 2003, 12:51 PM CDT for Goliad County, Texas. It was in force for 2 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 16, 2003, 12:51 PM CDT (17:51 UTC)
Expired
Jul 16, 2003, 3:00 PM CDT
In force
2 hr
Issued by
NWS Corpus Christi, TX
Area
Counties, with a storm outline in the text

County Goliad 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, 5.9 hours before the alert went out and 94 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 2003-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2535 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 2003-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
2535 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
18 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 161752
FFWCRP
TXC175-161945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1251 PM CDT WED JUL 16 2003

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GOLIAD COUNTY IN TEXAS

* UNTIL 245 PM CDT

* AT 1249 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER BERCLAIR...OR ABOUT 13 MILES SOUTHWEST OF
  GOLIAD...MOVING NORTHWEST AT 25 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  BERCLAIR...
  CHARCO...
  GOLIAD...

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 2841 9739 2856 9725 2888 9746 2870 9775
          2847 9753

$$
1 follow-up statement
000 
WGUS74 KCRP 161901
FFSCRP
TXC025-175-391-162015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
200 PM CDT WED JUL 16 2003

...A FLASH FLOOD WARNING CONTINUES FOR GOLIAD COUNTY UNTIL 245 PM...

...A FLASH FLOOD WARNING CONTINUE FOR BEE AND REFUGIO COUNTIES UNTIL
  300 PM...

AT 200 PM CDT...DOPPLER RADAR INDICATED SCATTERED SHOWERS AND 
THUNDERSTORMS CONTINUING TO TRACK ACROSS GOLIAD...REFUGIO AND 
EASTERN BEE COUNTIES.  SINCE 1100 AM CDT...1 TO 3 INCHES OF RAIN 
HAVE FALLEN ACROSS MUCH OF THIS AREA.  AN ADDITIONAL ONE-HALF TO ONE 
INCH OF RAIN WILL BE POSSIBLE THROUGH 300 PM CDT.  FLASH FLOODING 
WAS REPORTED AT 1245 PM CDT ACROSS SOUTHEASTERN BEE COUNTY ALONG THE 
SLIVER CREEK NEAR COUNTY ROAD 536.  AS A RESULT...THE FLASH FLOOD 
WARNINGS FOR GOLIAD...BEE AND REFUGIO COUNTIES WILL CONTINUE.  
ADDITIONAL WARNINGS MAY BECOME NECESSARY AS MORE SHOWERS AND 
THUNDERSTORMS MOVE NORTHWEST FROM THE GULF OF MEXICO.

EXCESSIVE RUNOFF FROM THESE STORMS 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.

$$

MB

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 16, 10:00 AM CDT, 2 hours 51 minutes earlier.

Area forecast discussion, Jul 16, 10:00 AM CDT, 2 hours 51 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1000 AM CDT WED JUL 16 2003

GIVEN THE UNSTABLE ENVIRONMENT...2 INCH PWATS...DECENT SFC MOISTURE
CONV ALONG E CWA AS WELL AS THETA-E RIDGING AND A TROF DRAPED ALONG
THE COAST...RADAR SHOWING TRAINING OVR PORTIONS OF E CWA AND
ESPECIALLY OVR HOUS AREA THAT AM EXPECTING TO SHIFT WRD AS REMNANTS
OF CLAUDETTE SHIFT OVR MEX AND UPPER RIDGE BLDS S...WILL POST A
FLASH FLOOD WATCH FOR NE PORTIONS OF CWA GENERALLY NE OF A LINE FROM
PORTLAND TO GEORGE WEST. THIS AREA SEEMS THE MOST LIKELY TO GET
HEAVY RAIN TODAY AND THE GROUND IS SATURATED FROM CLAUDETTE. ONE
HOUR FFG FOR THESE AREAS ARE IN THE .7 TO .9 INCH RANGE. NUECES ALSO
COULD SEE SOME +RA TODAY...BUT FFG VALUES ARE HIGHER AND DID NOT GET
MUCH RAIN YESTERDAY. MAY SEE SOME BRIEF LOCALIZED MINOR FLOODING IN
NUECES. WILL ONLY GO TIL THIS AFTERNOON FOR NOW...BUT WILL
RE-EVALUATE THE SITUATION WITH THE LATEST RUNS.

AS FOR THE COASTAL FLOOD WARNING...TIDES AT BOBHALL PIER AND
ROCKPORT ARE SHOWING TIDES APPROX. 1.5 FEET ABV NORM...WHICH
TYPICALLY ARE NOT A MAJOR PROBLEM. WE ARE HEADED TOWARD A HIGH TIDE
THIS AFTERNOON...HOWEVER OVERALL TIDAL LEVELS ARE TRENDING BACK TO
NORMAL LEVS. WILL LET CFW EXPIRE AT 10 AM AND ISSUE A MWS FOR MINOR
TIDAL OVERFLOW.

FCSTD POPS/TEMPS/WINDS LOOK REASONABLE AND WILL NOT MAKE ANY MAJOR
CHANGES ATTM.

CRP TB 088/075 090/072 091 54423
VCT TB 088/074 091/072 093 54423
LRD TB 090/076 093/075 095 64423

.CRP...SCA GMZ230-235-250-255-270-275
       FFA TXZ244-245-246-247-231-232-233-234.

81
Hazardous weather outlook, Jul 16, 6:00 AM CDT, 6 hours 51 minutes before
TXZ229>234-239>247-171100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
600 AM CDT WED JUL 16 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT

CLAUDETTE HAS MOVED NORTHWEST OF THE RIO GRANDE PLAINS AND OVER THE
UNITED STATES/MEXICAN BORDER. HOWEVER...HIGH SEAS AND WIND WILL
MAINTAIN COASTAL FLOODING. A COASTAL FLOOD WARNING IS IN EFFECT
BETWEEN BAFFIN BAY AND PORT OCONNOR. SMALL CRAFT ADVISORIES ARE IN
EFFECT TODAY FOR THE BAYS AND COASTAL WATERS. SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT. ANY FLASH FLOODING
THAT OCCURS WILL BE ISOLATED.

CONDITIONS WILL IMPROVE BY TONIGHT...AS THE WIND SPEEDS DECREASE
SIGNIFICANTLY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED DURING
THE PERIOD. HOWEVER...NO SEVERE ACTIVITY IS ANTICIPATED. NO
HAZARDOUS WEATHER IS ANTICIPATED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

WC/BB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 7:04 PM CDTSpecial Marine WarningCRP116 min
Jul 15, 10:52 PM CDTSpecial Marine WarningCRP83 min
Jul 16, 5:21 AM CDTSpecial Marine WarningCRP24 min
Jul 16, 11:55 AM CDTFlash Flood WarningCRPBee, Refugio3 hr
Jul 16, 5:13 PM CDTSpecial Marine WarningCRP2 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.