Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 228, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Nov 12, 1998, 7:14 AM CST for Fayette County, Gonzales 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
- Nov 12, 1998, 7:14 AM CST (13:14 UTC)
- Expired
- Nov 12, 1998, 10:15 AM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Fayette County, TX, Gonzales County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 1.2 hours before the alert went out and 216 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.
- Mixed-layer CAPE
- 1921 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 472 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 14.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 121323 COR FFWSAT TXC149-177-121615- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING...CORRECTED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 714 AM CST THU NOV 12 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... FAYETTE IN TEXAS GONZALES IN TEXAS * UNTIL 1015 AM CST * AT 700 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER CENTRAL AND SOUTHERN PORTIONS OF GONZALES AND FAYETTE COUNTIES MOVING NORTHEAST AT 30 MPH. * DOPPER RADAR ESTIMATES AROUND 2 INCHES OF RAIN HAS FALLEN NEAR SMILEY IN GONZALES COUNTY AND NEAR FLATONIA IN FAYETTE COUNTY DURING THE PAST TWO HOURS. RADAR SHOWS THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUING TO TRAIN ACROSS THESE SAME AREAS WITH AN ADDITIONAL 1 TO 2 INCHES OF RAIN POSSIBLE. WITH GROUNDS ALREADY NEAR SATURATION... FLOODING OF LOW LYING AREAS IS LIKELY. SECONDARY ROADS AN4D LOW WATER CROSSINGS WILL FLOOD THE NEXT FEW HOURS...BECOMING EXTREMELY HAZARDOUS TO MOTORISTS. DRIVERS SHOULD USE CARE NOT TO ENTER FLOODED LOW WATER CROSSINGS. REMEMBER... MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. 18
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 Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Nov 11, 8:15 PM CST, 10 hours 59 minutes earlier.
Area forecast discussion, Nov 11, 8:15 PM CST, 10 hours 59 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 815 PM CST WED NOV 11 1998 SCATTERED LIGHT TO MODERATE RAIN CONTINUES OVER THE EASTERN HALF OF DEEP SOUTH TEXAS. SURFACE MAP INDICATING A VERY SLOW MOVING WARM FRONT SOMEWHERE BETWEEN BRO AND CRP. NO WIND SHIFT NOTED...ONLY A VERY GRADUAL VEERING OF THE WINDS...NOW MAINLY NORTHEASTERLY OVER THE AREA...AND RELATIVELY LIGHT. EVENING SOUNDING SHOWED SATURATION UP THRU ABOUT 10K FEET...SO MOISTURE LAYER IS RATHER DEEP. 18Z MESOETA SHOWING PRECIPITATION POTENTIAL THRU THE NIGHT AND TOMORROW. SO BASED ON WHAT IS HAPPENING NOW...MESOETA AND THE LIKE...WILL NOT TINKER WITH THE OVERNIGHT POPS. WILL MAKE SOME SMALL ADJUSTMENTS TO MINIMUMS AND WINDS ONLY. SMALL CRAFT ADVISORY NEEDS TO REMAIN AS WINDS AND SEAS STILL ABOVE CRITERIA. VALONE...61
In the hours before
Special weather statement, Nov 12, 6:00 AM CST, 1 hour 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-130000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CST WED NOV 12 1998 ...SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY RAINS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TODAY AND TONIGHT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR AREAS ALONG AND SOUTHEAST OF A JARRELL TO SAN ANTONIO TO HONDO TO COTULLA LINE THIS AFTERNOON AND FOR ALL OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TONIGHT... A MID NOVEMBER WEATHER SYSTEM INTERACTING WITH A TROPICAL PLUME OF MOISTURE WILL BRING A THREAT OF HEAVY RAINS AND FLOODING TO THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TODAY AND TONIGHT. LOCALLY HEAVY RAINFALL AMOUNTS OF 2 TO 3 INCHES MAY OCCUR OVER PARTS OF SOUTH CENTRAL TEXAS BY THIS AFTERNOON WITH HEAVY RAINS GRADUALLY SPREADING INTO THE HILL COUNTRY BY TONIGHT. VERY HEAVY RAINFALL IS EXPECTED LATE TONIGHT WITH UP TO 5 INCHES OF RAIN POSSIBLE. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS...AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OF IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORTH WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP
Special weather statement, Nov 12, 6:00 AM CST, 1 hour 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-130000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CST WED NOV 12 1998 ...SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY RAINS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TODAY AND TONIGHT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR AREAS ALONG AND SOUTHEAST OF A JARRELL TO SAN ANTONIO TO HONDO TO COTULLA LINE THIS AFTERNOON AND FOR ALL OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TONIGHT... A MID NOVEMBER WEATHER SYSTEM INTERACTING WITH A TROPICAL PLUME OF MOISTURE WILL BRING A THREAT OF HEAVY RAINS AND FLOODING TO THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TODAY AND TONIGHT. LOCALLY HEAVY RAINFALL AMOUNTS OF 2 TO 3 INCHES MAY OCCUR OVER PARTS OF SOUTH CENTRAL TEXAS BY THIS AFTERNOON WITH HEAVY RAINS GRADUALLY SPREADING INTO THE HILL COUNTRY BY TONIGHT. VERY HEAVY RAINFALL IS EXPECTED LATE TONIGHT WITH UP TO 5 INCHES OF RAIN POSSIBLE. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS...AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OF IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORTH WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP
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.