Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 79, NWS Corpus Christi, TX

October 11, 1997Aransas County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Oct 11, 1997, 6:46 AM CDT for Aransas 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
Oct 11, 1997, 6:46 AM CDT (11:46 UTC)
Expired
Oct 11, 1997, 9:45 AM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County Aransas County, TX

The radar

The Corpus Christi radar (KCRP), 50 km from the middle of the area, began a volume at 11:46 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, 11.8 hours before the alert went out and 41 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 1997-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 866 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 1997-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -70 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
866 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-70 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRP 111149
FFWCRP
TXC007-111445-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
646 AM CDT SAT OCT 11 1997
 
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  945 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTH CENTRAL TEXAS
 
   ...ARANSAS COUNTY
 
AT 645 AM CDT DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
COVERING MOST OF ARANSAS COUNTY. MOVEMENT WAS TO THE NORTH AND
NORTHWEST AT 15 TO 20 MPH.
 
DOPPLER RADAR ESTIMATES AT LEAST 1 TO 2 INCHES OF RAIN HAS
FALLEN TO THE NORTH AND NORTHEAST OF ROCKPORT.  AS THIS ACTIVITY
MOVES THROUGH THE COUNTY IT COULD CAUSE FLOODING OF STATE
HIGHWAY 35.
 
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 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 Oct 11, 3:22 AM CDT, 3 hours 24 minutes earlier.

Area forecast discussion, Oct 11, 3:22 AM CDT, 3 hours 24 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
320 AM CDT SAT OCT 11 1997

ANOTHER ACTIVE START TO THE SHIFT WITH TWO WARNING ISSUED ALREADY AND
MORE LIKELY TO FOLLOW.  ANOTHER DAY ON FRI OF CONTINUOUS RAINFALL
WITH GENERAL 2 TO 4 INCH AMOUNTS AND MORE FLOODING.  KCRP 88D REF
SHOWS A BIT OF A BREAK WITH RAINFALL LIMITED TO THE CRP REGION AND A
FEW SURROUNDING COUNTIES AND OTHER RAINFALL JUST N OF OUR CWA FROM
PSX NWRD.  MOVMT CONTINUES TO THE NE AT 15 TO 20 MPH.  OFFSHORE HAS
LESS ACTIVITY THIS AM THEN WE HAVE SEEN IN SEVERAL DAYS.

THIS BREAK IS MUCH NEEDED BUT WILL NOT LAST LONG AS SFC TROF REMAINS
FROM CRP SWRD TO NR MFE/HRL.  WILL CONTINUE TO HOLD ONTO FFW THRU
TODAY AND THE CFW.  NOT MUCH TIME TO INGEST NEW MODEL DATA THIS
MORNING.  CROSS SECTIONS HAVE PLENTY OF MOISTURE AND UVM.  ETA SEEMS
TO BE DOING THE BEST JOB WITH THIS EVENT.  NEW VORT MAX IS MOVG N
FROM MEX AND SHD BE INTO THE LOWER VALLEY LATE TODAY.  A STRONGER
VORT MAX APPROACHES OUT OF NE MEX BY 00Z MON.  THESE FEATURES WILL
KEEP PCPN GOING.  WNDS ARE IN THE PROCESS OF BECMG SELY.  IT IS A
SLOW PROCESS THOUGH!  WITH THE APPROACH OF THE WEST COAST SYSTEM BY
EARLY NEXT WEEK...SE WNDS WILL INCREASE BY SUN.  FWC HAS 31 KTS BY
AFTERNOON.  H85 WNDS ARE 30 TO 45 KTS THRU 48 HRS. BY 12Z SUN LLJ OF
50 KTS IS IN PLACE.  WITH THE WNDS BECMG MORE SE COASTAL FLOODING
WILL BEGIN TO DIMINISH.  BEST MOISTURE CONVERGENCE FROM ADAP PRODUCTS
THIS AM WAS NOTED IN THE FA AND POINTS JUST TO THE N.  THIS SEEMS TO
BE WHERE MOST OF THE PCPN IS AT THIS TIME.  AS TROF SHIFTS INLAND
LATER TODAY PCPN MAY BEGIN TO DECREASE ALONG THE COASTAL REGIONS.
LATER SHIFTS WILL HAVE TO MAKE THE CHGS WHERE THEY ARE NEEDED.

AFTER TALKING WITH EWX FEEL GALE WARNINGS CAN BE DROPPED ON THE CWF.
SCA WILL STILL BE IN PLACE.

TODAY...CLDY WITH AN 80% CHC OF RW/TRW CRP/VCT...HEAVY RAINFALL AND
FLOODING ARE POSSIBLE.  LRD...MOSTLY CLDY WITH A 50% CHC RW/TRW.  SE
WNDS 15 TO 20 MPH.

TONIGHT...CLDY WITH A 60% CHC OF RW/TRW CRP/VCT.  LRD...MOSTLY CLDY
WITH A 40% CHC OF RW/TRW.  SE WND 10 TO 15 MPH CRP/LRD.  VCT...SE WND
NR 10 MPH.

SUN...CLDY WITH A 60% CHC OF RW/TRW CRP/VCT...40% LRD.  SE WND 15 TO
25 MPH AND GUSTY.

CRP  TE  082/075  085/074  8/6/6
NGP      081/077  085/076
ALI  TE  082/075  087/073  8/6/6
LRD  EE  088/074  089/072  5/4/5
VCT  TE  081/074  084/071  8/6/6

MSL..73

In the hours before

Local storm report, Oct 11, 4:53 AM CDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
445 AM CDT SAT OCT 11 1997

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

230 AM     CORPUS CHRISTI       TX   FLOODING
10/10/97   NUECES                    S STAPLES ST/FM 2444 AT OSO CREEK
                                     BRIDGE.

430 AM     5 SW BISHOP          TX   FLOODING
10/10/97   KLEBERG                   US HIGHWAY 77 NEAR KLEBERG-NUECES
                                     COUNTY LINE.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 1:55 AM CDTFlash Flood WarningCRPNueces4 hr
Oct 11, 2:31 AM CDTFlash Flood WarningCRPKleberg4 hr
Oct 11, 5:37 AM CDTFlash Flood WarningCRPJim Wells3 hr
Oct 11, 7:14 AM CDTFlash Flood WarningCRPKleberg, Nueces4 hr
Oct 11, 8:29 AM CDTFlash Flood WarningCRPSan Patricio3 hr
Oct 11, 9:56 AM CDTFlash Flood WarningCRPAransas3 hr
Oct 11, 10:16 AM CDTFlash Flood WarningCRPJim Wells4 hr
Oct 11, 11:11 AM CDTFlash Flood WarningCRPKleberg, Nueces, San Patricio4 hr
Oct 11, 11:25 AM CDTFlash Flood WarningCRPNueces, San Patricio4 hr
Oct 11, 11:25 AM CDTFlash Flood WarningCRPKleberg4 hr
Oct 11, 12:14 PM CDTFlash Flood WarningCRPBee, Refugio4 hr
Oct 11, 12:14 PM CDTFlash Flood WarningCRPCalhoun4 hr
Oct 11, 1:28 PM CDTFlash Flood WarningCRPGoliad4 hr
Oct 11, 2:16 PM CDTFlash Flood WarningCRPVictoria4 hr
Oct 11, 2:28 PM CDTFlash Flood WarningCRPJim Wells, Live Oak4 hr
Oct 11, 2:56 PM CDTFlash Flood WarningCRPNueces, San Patricio4 hr
Oct 11, 2:56 PM CDTFlash Flood WarningCRPKleberg4 hr
Oct 11, 5:50 PM CDTFlash Flood WarningCRPGoliad, Refugio4 hr

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.