Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 17, NWS Corpus Christi, TX

August 22, 1998McMullen County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 22, 1998, 11:32 AM CDT for McMullen 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
Aug 22, 1998, 11:32 AM CDT (16:32 UTC)
Expired
Aug 22, 1998, 2:00 PM CDT
In force
2 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County McMullen County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 4.5 hours before the alert went out and 139 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 12:00Z on 1998-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 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, Corpus Christi, TX at 12:00Z on 1998-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
152 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRP 221630
FFWCRP
TXC311-221900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1132 AM CDT SAT AUG 22 1998

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN MCMULLEN COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 200 PM CDT

* AT 1126 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF VERY HEAVY RAIN BETWEEN TILDEN AND CROSS...MOVING
  WEST AT 10 MPH.

* DOPPLER RADAR INDICATES 1 TO 2 INCHES OF RAIN HAS FALLEN BETWEEN
TILDEN AND CROSS.  DUE TO THE ONGOING HEAVY RAIN THERE WILL LIKELY
BE FLASH FLOODING BETWEEN THE COMMUNITIES OF TILDEN AND CROSS.

DON'T DRIVE ACROSS FLOODED ROADS! MOST NFLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

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 22, 9:30 AM CDT, 2 hours 2 minutes earlier.

Area forecast discussion, Aug 22, 9:30 AM CDT, 2 hours 2 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
930 AM CDT SAT AUG 22 1998

PER TPC DISCUSSION THIS AM...TROPICAL STORM WARNING IN THE PROCESS
OF BEING DROPPED.  MAIN CONCERNS CONTINUE TO BE FLOODING/FLASH FLOODING
FROM LINGERING RAINS.  ALSO AM CONCERNED ABOUT SHRA/TSRA DEVELOPMENT
FROM WRAP AROUND FROM REMINANTS OF CHARLIE THIS AFTERNOON.  PRESENT
THINKING IS TO LEAVE FLASH FLOOD WATCH IN PLACE.  WINDS WILL BE TRICKY
WITH ERN CWA EASTERLY AND WRN CWA SOUTWEST/NORTHWEST...BUT CURRENT
FCST HANDLES THIS.  UNLESS THERE IS A BREAK IN THE CLOUDS THIS AFTN...
MAX TEMPS WILL STAY BELOW 90 WHICH IS ABOUT THE ONLY THING MOS IS
HANDLING OUT OF LAST NIGHTS MODEL RUNS.

.78

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 1:18 AM CDTTornado WarningCRPCalhoun62 min
Aug 22, 1:40 AM CDTSevere Thunderstorm WarningCRPAransas60 min
Aug 22, 2:57 AM CDTFlash Flood WarningCRPAransas3 hr
Aug 22, 3:16 AM CDTFlash Flood WarningCRPRefugio3 hr
Aug 22, 4:31 AM CDTSevere Thunderstorm WarningCRPRefugio64 min
Aug 22, 4:39 AM CDTSevere Thunderstorm WarningCRPSan Patricio61 min
Aug 22, 5:36 AM CDTFlash Flood WarningCRPBee3 hr
Aug 22, 5:49 AM CDTFlash Flood WarningCRPRefugio3 hr
Aug 22, 6:27 AM CDTSevere Thunderstorm WarningCRPBee, San Patricio58 min
Aug 22, 6:27 AM CDTSevere Thunderstorm WarningCRPGoliad58 min
Aug 22, 10:12 AM CDTFlash Flood WarningCRPLive Oak3 hr

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.