Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 22, NWS Corpus Christi, TX

September 11, 1998Bee County, Live Oak County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Sep 11, 1998, 9:06 AM CDT for Bee County, Live Oak 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
Sep 11, 1998, 9:06 AM CDT (14:06 UTC)
Expired
Sep 11, 1998, 12:05 PM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties Bee County, TX, Live Oak County, TX

The radar

The Corpus Christi radar (KCRP), 79 km from the middle of the area, began a volume at 14:10 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 (KNGP), launched 12:00Z, 2.1 hours before the alert went out and 93 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 1998-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1998-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1491 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
112 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 
TTAA00 KCRP 111405
FFWCRP
TXC025-297-111705-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
906 AM CDT FRI SEP 11 1998

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LIVE OAK COUNTY IN SOUTH CENTRAL TEXAS
  NORTHERN BEE COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 1205 PM CDT

* AT 855 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF SHOWERS AND THUNDERSTORM WITH VERY HEAVY RAIN FROM
  ANAROSE AND LAGARTO TO THREE RIVERS TO PAWNEE. THIS ARE OF SHOWERS
  AND THUNDERSTORMS WAS MOVING SLOWLY SOUTHWEST.

* THE LARGE AREA OF SHOWERS AND THUNDERSTORMS HAVE ALREADY PRODUCED
  2 TO 3 INCH AN HOUR RAINFALL RATES. AN ADDITIONAL 2 TO 3 INCHES
  IS POSSIBLE BY 11 AM. HEAVY RAINFALL FALLING WITHIN A VERY SHORT
  TIME WILL LIKELY PRODUCE FLASH FLOODING ACROSS PORTIONS OF LIVE
  OAK COUNTY AND DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

PFAFF

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 Sep 11, 2:55 AM CDT, 6 hours 11 minutes earlier.

Area forecast discussion, Sep 11, 2:55 AM CDT, 6 hours 11 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
255 AM CDT FRI SEP 11 1998

ASSUMING THE TPC FCST TRACK VERIFIES...EXPECT NUMEROUS TO WIDESPREAD
CONVECTION...WITH HEAVY RAIN AND STG GUSTY WINDS...OVR THE CWA TDA.
SUGGEST CATEGORICAL POPS OVR THE CWA...EXCEPT MAYBE 60-70% OVR THE
WRN CWA. SUGGEST THAT THE ZONES INCLUDE WORDING OF POSSIBLE SEVERE
CONVECTION TDA OVER THE CROSSLANDS DUE TO THE TORNADO THREAT OVER THE
NW QUADRANT OF THE LOW. SUGGEST THAT THE CURRENT FLASH FLOOD WATCH
AND WIND ADVISORY BE CONTINUED TDA. MAX TEMPS TDA WL AGAIN BELOW
NORMAL DUE TO CLDS/RAIN. ELY SFC WINDS WL RESUME AFTER FRANCES MOVES
INLAND TDA AND THESE WINDS WL CONTINUE THRU 12Z SAT ANDz RESULTING
IN A CONTINUED THREAT FOR COASTAL FLOODING.

PRELIMS...

CRP TE 082/075 085/076 088 87844
VCT TE 081/074 085/076 089 87944
LRD TE 082/078 087/077 090 87634
NGP TE 080/079 084/078 086 87844

87

In the hours before

Special weather statement, Sep 11, 4:20 AM CDT, 4 hours 46 minutes before
TXZ243-111800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
420 AM CDT FRI SEP 11 1998

...A TORNADO WATCH IS IN EFFECT UNTIL 100 PM CDT FOR THE COUNTIES
   OF CALHOUN...GOLIAD...VICTORIA...AND REFUGIO...

AT 400 AM CDT...THE CENTER OF TROPICAL STORM FRANCES WAS LOCATED
NEAR REFUGIO TEXAS. MOVEMENT WAS TO THE NORTHWEST AROUND 13 MPH
AND THIS MOVEMENT IS EXPECTED TO CONTINUE TODAY.

WINDS IN THE LOWER LEVELS OF THE ATMOSPHERE ARE FAVORABLE FOR THE
FORMATION OF TORNADOES NEAR AND TO THE NORTH OF THE CENTER OF
FRANCES. RESIDENTS IN THE WATCH AREA SHOULD BE ALERT FOR THE
POSSIBILITY OF TORNADOES DEVELOPING WITH SHOWERS AND THUNDERSTORMS.

COLLINS
Special weather statement, Sep 11, 4:20 AM CDT, 4 hours 46 minutes before
TXZ243-111800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
420 AM CDT FRI SEP 11 1998

...A TORNADO WATCH IS IN EFFECT UNTIL 100 PM CDT FOR THE COUNTIES
   OF CALHOUN...GOLIAD...VICTORIA...AND REFUGIO...

AT 400 AM CDT...THE CENTER OF TROPICAL STORM FRANCES WAS LOCATED
NEAR REFUGIO TEXAS. MOVEMENT WAS TO THE NORTHWEST AROUND 13 MPH
AND THIS MOVEMENT IS EXPECTED TO CONTINUE TODAY.

WINDS IN THE LOWER LEVELS OF THE ATMOSPHERE ARE FAVORABLE FOR THE
FORMATION OF TORNADOES NEAR AND TO THE NORTH OF THE CENTER OF
FRANCES. RESIDENTS IN THE WATCH AREA SHOULD BE ALERT FOR THE
POSSIBILITY OF TORNADOES DEVELOPING WITH SHOWERS AND THUNDERSTORMS.

COLLINS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 10:20 PM CDTFlash Flood WarningCRPCalhoun3 hr
Sep 10, 11:39 PM CDTFlash Flood WarningCRPVictoria3 hr
Sep 11, 1:33 AM CDTFlash Flood WarningCRPCalhoun3 hr
Sep 11, 11:29 AM CDTFlash Flood WarningCRPBee3 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; radar from the NEXRAD Level II archive.