Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 12, NWS Corpus Christi, TX

August 31, 2001Duval County, Jim Wells County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 31, 2001, 3:18 AM CDT for Duval County, Jim Wells County, Texas. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Aug 31, 2001, 3:18 AM CDT (08:18 UTC)
Expired
Aug 31, 2001, 5:15 AM CDT
In force
117 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Duval County, TX, Jim Wells County, TX

The radar

The Corpus Christi radar (KCRP), 85 km from the middle of the area, began a volume at 08:21 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, 8.3 hours before the alert went out and 100 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 2001-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3264 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 2001-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
3264 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
80 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 310820
FFWCRP
TXC131-249-311015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
318 AM CDT FRI AUG 31 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN DUVAL COUNTY IN TEXAS
  JIM WELLS COUNTY IN TEXAS

* UNTIL 515 AM CDT

* AT 318 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN AND THUNDERSTORMS ACROSS ALL OF SOUTHERN DUVAL
  COUNTY AND ACROSS MOST OF JIM WELLS COUNTY.  1 TO 4 INCHES OF RAIN
  HAS ALREADY FALLEN WITH AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL
  POSSIBLE.  AS A RESULT...FLASH FLOODING IS LIKELY.

* SOME LOCATIONS AFFECTED INCLUDE....
  SAN DIEGO...
  RIOS...
  REALITOS...
  ALICE...
  CONCEPCION...
  BEN BOLT...

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 2742 9877 2728 9818 2800 9794 2803 9810

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 Aug 31, 3:00 AM CDT, 18 minutes earlier.

Area forecast discussion, Aug 31, 3:00 AM CDT, 18 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
300 AM CDT FRI AUG 31 2001

NOT MUCH TIME THIS MORNING AS MAJOR FLOOD/RIVER FLOOD EVENT
CONTINUES ACROSS MAJORITY OF THE CWFA THIS MORNING.  AS S/W CONTS
TO SWING EWRD THIS MORNING LRG AREA OF CONVECTION WILL ADVANCE
TOWARDS THE COAST.  RAINFALL FROM THURSDAY NIGHT WAS 8-10 INCHES IN
MANY NORTHERN AREAS AND ADDITIONAL RAINFALL WILL OCCUR TODAY..MAINLY
EASTERN SECT THIS MORNING THEN LATER THIS AFTERNOON OUT WEST.
ALREADY SEEING ADDITIONAL DEVELOPMENT ACROSS WRN TX WITH ANOTHER S/W
DROPPING SE.  PWATS AT 2.50+ FROM 00Z SOUNDING AND FCST TO REMAIN
ABOVE 2 INCHES INTO SATURDAY THEN A SLOW DECREASE.  WITH LLJ AND
UPPER TROF FCST TO BE A PLAYER THROUGH TONIGHT WILL CONTINUE THE
FLASH FLOOD WATCH THROUGH TONIGHT.  UPPER LEVEL DIFLUENCE AND GOOD
MOISTURE CONVERGENCE WILL ALSO AID IN PRODUCTION OF RAINFALL.

CONVECTION HEADING EAST THIS MORNING NOW SHOWING SIGNS OF BECOMING
SEVERE WITH BOW FEATURE NOTED IN REFLECTIVITY DATA. DEWPTS AHEAD OF
THIS LINE REMAIN IN THE UPPER 70S TO NEAR 80 THIS MORNING.

TEMPS CONT TO BE HELD DOWN..DUE TO CLOUDS AND PCPN.  THIS TREND WILL
CONT.  WINDS REMAIN SELY.

MARINE...PRESS GRADIENT/LLJ STRONGER THIS MORNING THAN EXPECTED.
WILL BUMP WINDS UP A NOTCH TO SCEC BAYS...SCA WATERS.  LINE OF
SEVERE THUNDERSTORMS APCHG THE COAST WILL EXIT BY MID MORNING
LEAVING SUBSIDENCE IN ITS WAKE DURING THE AFTN. NXT S/W WILL MOVE IN
LATER THIS AFTN WITH PRECIP CONFINED MAINLY OVER LAND AND THE BAYS.
GIVEN CURRENT CONVECTIVE ATMOSPHERE WILL NOT MAKE ANY CHANGES TO THE
EXTENDED.

.CRP...FFA THROUGH FRIDAY TXZ229>234...TXZ239>247
GMZ250-255-270-275...SMALL CRAFT ADVISORY.

CRP TB 088/076 091/076 090 744
VCT TB 084/074 089/075 091 845
LRD EB 090/077 095/076 094 544

MSL..73 / KEG..70 / MB..80 / JM..75

In the hours before

Local storm report, Aug 30, 11:41 PM CDT, 3 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
1141 PM CDT THU AUG 30 2001

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

635 PM    5 SE COTULLA              TX   .88 INCH HAIL
08/30/01   LA SALLE

1000 PM    2N MISSION VALLEY         TX   FLOOD
08/30/01   VICTORIA                       FM236 FLOODED NEAR FM237.
                                          CARS STALLED.

1140 PM    LAREDO                    TX   FLOOD
08/30/01   WEBB                           MANY STREETS FLOODED IN
                                          CITY

JM
Local storm report, Aug 31, 12:16 AM CDT, 3 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT...COR TYPO
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
1141 PM CDT THU AUG 30 2001

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

635 PM     5 SE COTULLA              TX   .88 INCH HAIL
08/30/01   LA SALLE

1000 PM    2N MISSION VALLEY         TX   FLOOD
08/30/01   VICTORIA                       FM236 FLOODED NEAR FM237.
                                          CARS STALLED.

1140 PM    LAREDO                    TX   FLOOD
08/30/01   WEBB                           MANY STREETS FLOODED IN
                                          CITY

JM
Local storm report, Aug 31, 3:05 AM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
305 AM CDT FRI AUG 31 2001

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

0257 AM    ALICE                     TX   60 MPH TSTM WIND GUST
08/31/01   JIM WELLS

0300 AM    5 N VICTORIA              TX   FLOOD
08/31/01   VICTORIA                       SPRING CREEK FLOWING 2
                                          FEET OVER OLIVAR ROAD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 9:15 PM CDTFlash Flood WarningCRPVictoria2 hr
Aug 30, 10:15 PM CDTFlash Flood WarningCRPWebb3 hr
Aug 30, 10:37 PM CDTFlash Flood WarningCRPGoliad3 hr
Aug 30, 11:20 PM CDTFlash Flood WarningCRPVictoria3 hr
Aug 31, 12:19 AM CDTFlash Flood WarningCRPDuval, Jim Wells, McMullen3 hr
Aug 31, 1:05 AM CDTFlash Flood WarningCRPGoliad, Victoria3 hr
Aug 31, 1:12 AM CDTFlash Flood WarningCRPWebb3 hr
Aug 31, 2:01 AM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells59 min
Aug 31, 2:33 AM CDTFlash Flood WarningCRPBee, Live Oak3 hr
Aug 31, 2:53 AM CDTSevere Thunderstorm WarningCRPJim Wells, Live Oak, San Patricio67 min
Aug 31, 2:53 AM CDTSevere Thunderstorm WarningCRPKleberg, Nueces67 min
Aug 31, 3:57 AM CDTSevere Thunderstorm WarningCRPAransas, Nueces, San Patricio43 min
Aug 31, 4:37 AM CDTFlash Flood WarningCRPKleberg, Nueces3 hr
Aug 31, 5:24 AM CDTFlash Flood WarningCRPDuval, Jim Wells2 hr
Aug 31, 7:25 AM CDTFlash Flood WarningCRPJim Wells110 min
Aug 31, 8:24 AM CDTFlash Flood WarningCRPBee, Goliad, Live Oak, Victoria3 hr
Aug 31, 9:45 AM CDTFlash Flood WarningCRPJim Wells2 hr
Aug 31, 11:30 AM CDTFlash Flood WarningCRPBee, Duval, Goliad, Jim Wells, Live Oak, San Patricio and 1 more3 hr
Aug 31, 2:15 PM CDTFlash Flood WarningCRPBee, Goliad, Jim Wells, Kleberg, Nueces, Refugio and 2 more3 hr
Aug 31, 3:37 PM CDTFlash Flood WarningCRPDuval3 hr
Aug 31, 4:00 PM CDTFlash Flood WarningCRPAransas, Calhoun3 hr

Nearby

Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001

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.