Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 74, NWS Corpus Christi, TX

September 19, 2002Bee County, Refugio County, San Patricio County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Sep 19, 2002, 10:02 PM CDT for Bee County, Refugio County, San Patricio 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 counties it named.

The facts

Issued
Sep 19, 2002, 10:02 PM CDT (03:02 UTC)
Expired
Sep 20, 2002, 1:00 AM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties Bee County, TX, Refugio County, TX, San Patricio County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.0 hours before the alert went out and 59 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 2002-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3776 joules per kilogram.LCLEL10008507005003002001001 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 2002-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
3776 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KCRP 200302
FFWCRP
TXC025-391-409-200600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
958 PM CDT THU SEP 19 2002

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BEE COUNTY IN TEXAS
  REFUGIO COUNTY IN TEXAS
  SAN PATRICIO COUNTY IN TEXAS

* UNTIL 100 AM CDT

* AT 951 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM REFUGIO TO 5 MILES SOUTH OF TYNAN...TO 
  MATHIS...MOVING SOUTHEAST AT 20 MPH. 

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE OVER ALREADY
SATURATED GROUNDS.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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 Sep 19, 9:20 PM CDT, 42 minutes earlier.

Area forecast discussion, Sep 19, 9:20 PM CDT, 42 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
920 PM CDT THU SEP 19 2002

ACTIVE BURST OF CONVECTION THIS EVENING AHEAD OF THE SFC TROF.
EXPECT CONVECTION TO CONTINUE ALONG THE COAST THROUGH MIDNIGHT
BEFORE FINALLY MOVING OFFSHORE. CELL MERGERS OVER KENEDY COUNTY
COULD ROTATE UP THE COAST INTO EASTERN NUECES COUNTY...BRINGING
HEAVY RAIN...AND THE POTENTIAL FOR LOCALIZED FLOODING. WILL CONTINUE
TO WATCH THIS VERY CLOSELY. WILL DROP POPS BEHIND THE TROF.

9PM MSAS ANALYSIS SHOWS THE COLD FRONT ALONG A LINE FROM EAGLE PASS
TO AUSTIN LINE. 01Z RUC STILL BRINGS THE COLD FRONT TO THE COAST
BEFORE SUNRISE. DWPTS ARE IN THE 50S BEHIND THE FRONT.

MARINE...CWF IS IN GOOD SHAPE. MAINLY A SHORT TERM EVENT RIGHT NOW
WITH CONVECTION MOVING OFF THE COAST. WILL HANDLE THIS WITH SPECIAL
MARINE WARNINGS.

.CRP...NONE

75/81

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 7:17 PM CDTFlash Flood WarningCRPDuval3 hr
Sep 19, 7:24 PM CDTSevere Thunderstorm WarningCRPDuval36 min
Sep 19, 7:24 PM CDTSevere Thunderstorm WarningCRPAransas4 hr
Sep 19, 7:39 PM CDTFlash Flood WarningCRPGoliad3 hr
Sep 19, 8:48 PM CDTFlash Flood WarningCRPKleberg3 hr
Sep 19, 9:05 PM CDTSpecial Marine WarningCRP55 min
Sep 19, 9:29 PM CDTSpecial Marine WarningCRP61 min
Sep 19, 9:50 PM CDTTornado WarningCRPRefugio25 min
Sep 19, 10:10 PM CDTSevere Thunderstorm WarningCRPDuval33 days
Sep 19, 10:15 PM CDTSpecial Marine WarningCRP60 min
Sep 19, 10:30 PM CDTSpecial Marine WarningCRP3 hr
Sep 19, 10:44 PM CDTSevere Thunderstorm WarningCRPNueces, San Patricio61 min
Sep 19, 11:07 PM CDTFlash Flood WarningCRPNueces113 min
Sep 20, 12:00 AM CDTSpecial Marine WarningCRP2 hr

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.