Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 42, NWS Corpus Christi, TX

June 17, 1997Jim Wells County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jun 17, 1997, 8:30 PM CDT for Jim Wells County, Texas. It was in force for 90 min. 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, 8:30 PM CDT (01:30 UTC)
Expired
Jun 17, 1997, 10:00 PM CDT
In force
90 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County Jim Wells County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.5 hours before the alert went out and 74 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 180133 COR
FFWCRP
TXC249-180300-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED...
FLASH FLOOD AND SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
830 PM CDT TUE JUN 17 1997

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
FLASH FLOOD AND SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY......

IN SOUTH CENTRAL TEXAS

   ...NORTHERN JIM WELLS COUNTY

SEVERE THUNDERSTORMS WITH VERY HEAVY RAINFALL WAS NEAR ORANGE GROVE.
MOVEMENT OF THE STORM WAS SLOWLY TO THE EAST AT 5 MPH. STORMS WILL
CONTINUE TO AFFECT THE ORANGE GROVE AND SANDIA AREAS.

MAJOR FLOODING IS LIKELY AND MOTORISTS ARE DISCOURAGED TO TRAVEL
INTO NORTHERN JIM WELLS COUNTY.  RAINFALL ESTIMATES OF 3 TO 5 INCHES
ARE POSSIBLE.

DAMAGING THUNDERSTORM WINDS ARE ALSO POSSIBLE WITH THESE STORMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE TO HIGH GROUND. DO NOT STAY IN
AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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, 40 minutes earlier.

Area forecast discussion, Jun 17, 7:50 PM CDT, 40 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

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 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 17, 11:21 PM CDTFlash Flood WarningCRPDuval, Jim Wells2 hr
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.