Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 18, NWS Corpus Christi, TX

August 31, 20017 counties in Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 31, 2001, 11:30 AM CDT for 7 counties in 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Aug 31, 2001, 11:30 AM CDT (16:30 UTC)
Expired
Aug 31, 2001, 2:30 PM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Bee County, TX, Duval County, TX, Goliad County, TX, Jim Wells County, TX, Live Oak County, TX, San Patricio County, TX, Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 60 km from the middle of the area, began a volume at 16:33 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 4.5 hours before the alert went out and 262 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, Brownsville Intl, TX at 12:00Z on 2001-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1762 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, Brownsville Intl, TX at 12:00Z on 2001-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1762 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
752 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
48 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 311633
FFWCRP
TXC025-131-175-249-297-409-469-311930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1130 AM CDT FRI AUG 31 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BEE COUNTY IN TEXAS
  NORTHERN DUVAL COUNTY IN TEXAS
  GOLIAD COUNTY IN TEXAS
  NORTHERN JIM WELLS COUNTY IN TEXAS
  LIVE OAK COUNTY IN TEXAS
  WESTERN SAN PATRICIO COUNTY IN TEXAS
  VICTORIA COUNTY IN TEXAS

* UNTIL 230 PM CDT

* AT 1130 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN AND EMBEDDED THUNDERSTORMS EXTENDING FROM FREER TO
  VICTORIA...MOVING NORTHEAST AT 15 MPH.  THIS HEAVY RAIN AND
  THUNDERSTORMS CONTINUE TO TRACK OVER THE SAME AREA WHILE NEW
  DEVELOPMENT OF SHOWERS AND THUNDERSTORMS CONTINUE TO OCCUR ACROSS
  DUVAL AND JIM WELLS COUNTIES.  WIDESPREAD FLASH FLOODING IS ONGOING
  AND WILL ONLY WORSEN THROUGH THE EARLY AFTERNOON.  ADDITIONAL
  WIDESPREAD RAINFALL AMOUNTS OF 1 TO 2 INCHES WITH ISOLATED AMOUNTS
  NEAR 4 INCHES WILL OCCUR. 

* SOME LOCATIONS AFFECTED INCLUDE....
  VICTORIA...
  GOLIAD...
  DINERO...
  SKIDMORE...
  BEEVILLE...
  FREER...
  ORANGE GROVE...

THIS IS VERY DANGEROUS FLOODING SITUATION  

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 2843 9831 2810 9828 2789 9873 2769 9862
          2760 9831 2797 9786 2790 9758 2824 9754
          2846 9735 2880 9675 2904 9695

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, 10:30 AM CDT, 1 hour earlier.

Area forecast discussion, Aug 31, 10:30 AM CDT, 1 hour before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1030 AM CDT FRI AUG 31 2001

NO CHANGE TO CONFIGURATION WITH FFA ATM. CELL MERGERS OVER LIVE OAK
AND JIM WELLS COUNTIES HAVE PRODUCED NG 3 TO 5 INCH AMOUNTS
THIS MORNING.  ADDITIONAL SHOWERS AND STORMS DEVELOPING IN EASTERN
WEBB COUNTY WILL TRACK OVER THIS AREA AS WELL.  PEEK AT 12Z DATA
SHOWS SUBSIDENCE WORKING INTO WESTERN COUNTIES THIS AFTERNOON SO MAY
BE ABLE TO DROP FFA IN THAT AREA FOR AFTERNOON UPDATE.

FOR UPDATE...WILL HAVE CATEGORICAL POPS IN CENTRAL ZONES.  WL DROP
POPS SOME IN FAR EASTERN ZONES ALSO.  NO SIGNIFICANT UPDATE FOR
MARINE.   SCA CONTINUES THROUGH THIS AFTERNOON.

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

AP...72

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, 3:18 AM CDTFlash Flood WarningCRPDuval, Jim Wells117 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, 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.