Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 13, NWS Corpus Christi, TX

September 11, 2003Live Oak County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Sep 11, 2003, 9:24 PM CDT for Live Oak County, Texas. It was in force for 66 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
Sep 11, 2003, 9:24 PM CDT (02:24 UTC)
Expired
Sep 11, 2003, 10:30 PM CDT
In force
66 min
Issued by
NWS Corpus Christi, TX
Area
Counties, with a storm outline in the text

County Live Oak County, TX

The radar

The Corpus Christi radar (KCRP), 95 km from the middle of the area, began a volume at 02:25 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.4 hours before the alert went out and 111 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 2003-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3552 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2003-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
3552 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
930 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KCRP 120225
FFWCRP
TXC297-120330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
924 PM CDT THU SEP 11 2003

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

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

* UNTIL 1030 PM CDT

* AT 915 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUING NEAR OAKVILLE...MOVING
  NORTHEAST AT 5 MPH. AT 915 PM...THE DEPARTMENT OF PUBLIC SAFETY
  REPORTED WATER GOING OVER INTERSTATE 37 AT SULPHUR CREEK NEAR      
  OAKVILLE. AT 910 PM...LIVE OAK COUNTY SHERIFFS OFFICE REPORTED
  WATER OVER THE FRONTAGE ROADS NEAR SULPHUR CREEK AND BETWEEN
  OAKVILLE AND THREE RIVER. 

* SOME LOCATIONS AFFECTED INCLUDE...
  OAKVILLE...
  RAY POINT...
  THREE RIVERS...

PERSONS TRAVELLING ALONG INTERSTATE 37 IN CENTRAL LIVE OAK COUNTY
SHOULD BE PREPARED FOR POSSIBLE FLOODING OF THE ROADWAYS NEAR
SULPHUR CREEK AT OAKVILLE AS THE RUNOFF FROM THE HEAVY RAIN 
CONTINUES FOR THE NEXT HOUR. RADAR INDICATES THE THUNDERSTORMS
ARE WEAKENING AND BEGINNING TO MOVE AWAY FROM THE REGION WHICH
HAS RECEIVED BETWEEN 6 AND 7 INCHES OF RAIN SINCE 630 PM.  

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 2843 9832 2824 9822 2836 9792 2859 9808

$$

TMT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 11, 7:24 PM CDTFlash Flood WarningCRPLive Oak2 hr
Sep 12, 2:08 AM CDTFlash Flood WarningCRPLive Oak112 min
Sep 12, 2:11 AM CDTSpecial Marine WarningCRP2 hr
Sep 12, 2:32 AM CDTSevere Thunderstorm WarningCRPBee58 min
Sep 12, 3:32 AM CDTSevere Thunderstorm WarningCRPAransas, Refugio, San Patricio58 min
Sep 12, 3:41 AM CDTSpecial Marine WarningCRP64 min
Sep 12, 3:41 AM CDTSpecial Marine WarningCRP64 min
Sep 12, 4:07 AM CDTFlash Flood WarningCRPNueces, San Patricio3 hr
Sep 12, 4:45 AM CDTSpecial Marine WarningCRP2 hr
Sep 12, 4:45 AM CDTSpecial Marine WarningCRP2 hr
Sep 12, 6:40 AM CDTSpecial Marine WarningCRP80 min
Sep 12, 6:46 AM CDTSpecial Marine WarningCRP74 min

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; radar from the NEXRAD Level II archive.