Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 45, NWS Corpus Christi, TX

June 17, 1997Duval County, Jim Wells County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jun 17, 1997, 11:21 PM CDT for Duval County, Jim Wells County, Texas. It was in force for 2 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
Jun 17, 1997, 11:21 PM CDT (04:21 UTC)
Expired
Jun 18, 1997, 1:30 AM CDT
In force
2 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties Duval County, TX, Jim Wells County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 4.4 hours before the alert went out and 94 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 1997-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3875 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1997-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
3875 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
980 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRP 180427
FFWCRP
TXC131-249-180630-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1121 PM CDT TUE JUN 17 1997
 
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...S...
 
IN SOUTH CENTRAL TEXAS
 
   ...SOUTHERN DUVAL COUNTY...SOUTHERN JIM WELLS COUNTY
 
AT 1120 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM FROM SOUTH OF BENAVIDES TO CONCEPCION AND
PREMONT.  THE THUNDERSTORM IS NEARLY STATIONARY WITH RADAR
ESTIMATING 2-INCHES OF RAINFALL AN HOUR.
 
TORRENTIAL DOWNPOURS LEADING TO FLOODING OF STREETS AND ROADWAYS CAN
BE EXPECTED WITH THIS STORM AS WELL AS STRONG GUSTY WINDS...DEADLY
LIGHTNING AND SMALL HAIL.
 
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 Jun 17, 7:50 PM CDT, 3 hours 31 minutes earlier.

Area forecast discussion, Jun 17, 7:50 PM CDT, 3 hours 31 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
750 PM CDT TUE JUN 17 1997

NOT MUCH TIME FOR A DISCUSSION THIS EVENING WITH SVR WX ONGOING ACRS
THE CWA.  QUICK LOOK AT ADAP SFC MOISTURE CONVERGENCE INDICATES TSTMS
ARE MOVING INTO AREAS OF MAX CONVERGENCE. 00Z CRP SOUNDING REVEALS
ATMOSPHERE EXTREMELY SATURATED (PWAT 2.30 IN) WITH LTL CAP.  GOING
FCST WITH FLASH FLOOD WATCH AND MENTION OF HVY RAIN LOOKS GOOD.  SVR
TSTM WATCH CONTINUES UNTIL 10PM FOR ENTIRE CWA ALSO.  NO CHGS NEEDED
TO CURRENT ZONES.

CNJ...85

In the hours before

Special weather statement, Jun 17, 8:43 PM CDT, 2 hours 38 minutes before
TXZ234-247-180245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
843 PM CDT TUE JUN 17 1997

...FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE FOR VICTORIA AND
CALHOUN COUNTIES...

THUNDERSTORMS HAD MOVED OUT OF CALHOUN AND VICTORIA COUNTIES.
RADAR ESTIMATES 2 TO 4 INCHES OF RAIN HAD FALLEN IN EXTREME
SOUTHEAST VICTORIA AND NORTHERN CALHOUN COUNTIES.  THE FLOODED
LOW-LYING AREAS AND LOW WATER CROSSINGS SHOULD RECEDE BY LATE
EVENING.  MOTORISTS SHOULD CONTINUE TO USE EXTREME CAUTION AND
SHOULD NEVER CROSS A FLOODED ROAD.

LUNA
Special weather statement, Jun 17, 8:44 PM CDT, 2 hours 37 minutes before
TXZ234-247-180245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
843 PM CDT TUE JUN 17 1997

...FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE FOR VICTORIA AND
CALHOUN COUNTIES...

THUNDERSTORMS HAD MOVED OUT OF CALHOUN AND VICTORIA COUNTIES.
RADAR ESTIMATES 2 TO 4 INCHES OF RAIN HAD FALLEN IN EXTREME
SOUTHEAST VICTORIA AND NORTHERN CALHOUN COUNTIES.  THE FLOODED
LOW-LYING AREAS AND LOW WATER CROSSINGS SHOULD RECEDE BY LATE
EVENING.  MOTORISTS SHOULD CONTINUE TO USE EXTREME CAUTION AND
SHOULD NEVER CROSS A FLOODED ROAD.

LUNA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:05 PM CDTFlash Flood WarningCRPNueces55 min
Jun 17, 7:05 PM CDTSevere Thunderstorm WarningCRPNueces55 min
Jun 17, 7:14 PM CDTFlash Flood WarningCRPCalhoun, Victoria76 min
Jun 17, 7:25 PM CDTFlash Flood WarningCRPJim Wells65 min
Jun 17, 7:25 PM CDTSevere Thunderstorm WarningCRPJim Wells65 min
Jun 17, 8:30 PM CDTFlash Flood WarningCRPJim Wells90 min
Jun 17, 8:30 PM CDTSevere Thunderstorm WarningCRPJim Wells90 min
Jun 17, 8:43 PM CDTFlash Flood WarningCRPKleberg62 min
Jun 17, 8:43 PM CDTSevere Thunderstorm WarningCRPKleberg62 min
Jun 17, 10:01 PM CDTFlash Flood WarningCRPJim Wells119 min
Jun 18, 1:29 AM CDTFlash Flood WarningCRPWebb4 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.