Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 100, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 23, 1998, 7:46 AM CDT for 4 counties in 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
- Aug 23, 1998, 7:46 AM CDT (12:46 UTC)
- Expired
- Aug 23, 1998, 11:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Caldwell County, TX, Comal County, TX, Guadalupe County, TX, Hays County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 0.8 hours before the alert went out and 241 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
- 1859 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -51 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 231247 FFWSAT TXC055-091-187-209-231600- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 746 AM CDT SUN AUG 23 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... COMAL COUNTY IN SOUTH CENTRAL TEXAS HAYS COUNTY IN SOUTH CENTRAL TEXAS CALDWELL COUNTY IN SOUTH CENTRAL TEXAS GUADALUPE COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 11 AM CDT * FLASH FLOODING EXPECTED AROUND- PARTS OF COMAL...CALDWELL...GUADALUPE AND HAYS COUNTIES * AREAS OF MODERATE TO OCCASIONALLY HEAVY RAIN CONTINUE TO DEVELOP OVER PARTS OF GUADALUPE...CALDWELL...HAYS AND COMAL COUNTIES...AND IS EXPECTED TO CONTINUE THE NEXT FEW HOURS. THIS HAS THE POTENTIAL TO CAUSE FLOODING THIS MORNING. IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD OR FLOODED LOW WATERS CROSSINGS. THESE AREAS WILL BE VERY DANGEROUS. AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. 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.
In the hours before
Local storm report, Aug 23, 3:01 AM CDT, 4 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CDT SUN AUG 23 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1245 PM TX FLOODING
08/22/98 WILSON SD REPORTS PORTIONS OF
FARM ROAD 1107 AND 775
COVERED WITH WATER.
0230 PM TX FLOODING
08/22/98 ATASCOSA SHERRIFFS DEPARTMENT
REPORTS MANY LOW LYING
AREAS FLOODED. TEXAS ROAD
97 BETWEEN CHARLOTTE AND
BLUNZER WASHED OUT.
0430 PM TX FLOODING
08/22/98 LAVACA FLOODING IN HALLETSVILLE.
MANY SECONDARY ROADS, LOW
LYING AREAS, AND LOW WATER
CROSSINGS UNDER WATER IN
LAVACA COUNTY.
1045 PM TX FLOODING
08/22/98 BANDERA ALL 10 LOW WATER CROSSINGS
FLOODED.Local storm report, Aug 23, 3:01 AM CDT, 4 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CDT SUN AUG 23 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1245 PM TX FLOODING
08/22/98 WILSON SD REPORTS PORTIONS OF
FARM ROAD 1107 AND 775
COVERED WITH WATER.
0230 PM TX FLOODING
08/22/98 ATASCOSA SHERRIFFS DEPARTMENT
REPORTS MANY LOW LYING
AREAS FLOODED. TEXAS ROAD
97 BETWEEN CHARLOTTE AND
BLUNZER WASHED OUT.
0430 PM TX FLOODING
08/22/98 LAVACA FLOODING IN HALLETSVILLE.
MANY SECONDARY ROADS, LOW
LYING AREAS, AND LOW WATER
CROSSINGS UNDER WATER IN
LAVACA COUNTY.
1045 PM TX FLOODING
08/22/98 BANDERA ALL 10 LOW WATER CROSSINGS
FLOODED.Special weather statement, Aug 23, 5:15 AM CDT, 2 hours 31 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 515 AM CDT SUN AUG 23 1998 ...FLASH FLOOD WATCH IN EFFECT FOR TODAY FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... THE REMAINS OF TROPICAL DEPRESSION CHARLEY WERE MOVING SLOWLY WEST OF UVALDE TO NEAR EAGLE PASS. NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS CAN BE EXPECTED AGAIN ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY. RAINFALL RATES IN THE 1 TO 2 INCH PER HOUR RANGE ARE LIKELY WITH ADDITIONAL TOTALS OF 2 TO 5 INCHES POSSIBLE. THIS RAINFALL COMBINED WITH THE SATURATED SOILS FROM THE RAINS OF SATURDAY AND EARLIER WILL LEAD TO ADDITIONAL FLOODING AND FLASH FLOODING OF RIVERS AND STREAMS....LOW LYING AREAS AND ROADWAYS. RAINFALL TOTALS FROM SATURDAY THROUGH 5 AM THIS MORNING HAVE GENERALLY BEEN 2 TO 4 INCHES AREAWIDE WITH WIDELY SCATTERED AMOUNTS UPWARDS OF 5 TO 6 INCHES. LIGHTER AMOUNTS WERE NOTED NORTH OF A LINE FROM LA GRANGE TO AUSTIN TO LLANO. RESIDENTS OF SOUTH TEXAS SHOULD LISTEN FOR CURRENT FORECASTS AND FLASH FLOOD ADVISORIES ISSUED BY THE SOUTH TEXAS NATIONAL WEATHER SERVICE OFFICES UNTIL THE THREAT OF FLOODING HAS SUBSIDED. 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 OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: SOUTHWEST TEXAS FROM MIDLAND LBBSPSMAF...WWUS35 KMAF CONCHO VALLEY FROM SAN ANGELO LBBSPSSJT...WWUS35 KSJT NORTH TEXAS FROM FORT WORTH FTWSPSFTW...WWUS35 KFTW SOUTHEAST TEXAS FROM HOUSTON/GALVESTON SATSPSHOU...WWUS35 KHOU COASTAL BEND/ FROM CORPUS CHRISTI SATSPSCRP...WWUS35 KCRP RIO GRANDE PLAINS LOCAL INFORMATION FOR THE TEXAS COAST IS AVAILABLE VIA INTERNET HOMEPAGES FROM SOUTH TEXAS NATIONAL WEATHER SERVICE OFFICES. THESE ADDRESSES CAN BE OBTAINED FROM WWW.SRH.NOAA.GOV WHICH IS THE HOMEPAGE ADDRESS FOR THE NATIONAL WEATHER SERVICE SOUTHERN REGION.
Special weather statement, Aug 23, 5:15 AM CDT, 2 hours 31 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 515 AM CDT SUN AUG 23 1998 ...FLASH FLOOD WATCH IN EFFECT FOR TODAY FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... THE REMAINS OF TROPICAL DEPRESSION CHARLEY WERE MOVING SLOWLY WEST OF UVALDE TO NEAR EAGLE PASS. NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS CAN BE EXPECTED AGAIN ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY. RAINFALL RATES IN THE 1 TO 2 INCH PER HOUR RANGE ARE LIKELY WITH ADDITIONAL TOTALS OF 2 TO 5 INCHES POSSIBLE. THIS RAINFALL COMBINED WITH THE SATURATED SOILS FROM THE RAINS OF SATURDAY AND EARLIER WILL LEAD TO ADDITIONAL FLOODING AND FLASH FLOODING OF RIVERS AND STREAMS....LOW LYING AREAS AND ROADWAYS. RAINFALL TOTALS FROM SATURDAY THROUGH 5 AM THIS MORNING HAVE GENERALLY BEEN 2 TO 4 INCHES AREAWIDE WITH WIDELY SCATTERED AMOUNTS UPWARDS OF 5 TO 6 INCHES. LIGHTER AMOUNTS WERE NOTED NORTH OF A LINE FROM LA GRANGE TO AUSTIN TO LLANO. RESIDENTS OF SOUTH TEXAS SHOULD LISTEN FOR CURRENT FORECASTS AND FLASH FLOOD ADVISORIES ISSUED BY THE SOUTH TEXAS NATIONAL WEATHER SERVICE OFFICES UNTIL THE THREAT OF FLOODING HAS SUBSIDED. 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 OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: SOUTHWEST TEXAS FROM MIDLAND LBBSPSMAF...WWUS35 KMAF CONCHO VALLEY FROM SAN ANGELO LBBSPSSJT...WWUS35 KSJT NORTH TEXAS FROM FORT WORTH FTWSPSFTW...WWUS35 KFTW SOUTHEAST TEXAS FROM HOUSTON/GALVESTON SATSPSHOU...WWUS35 KHOU COASTAL BEND/ FROM CORPUS CHRISTI SATSPSCRP...WWUS35 KCRP RIO GRANDE PLAINS LOCAL INFORMATION FOR THE TEXAS COAST IS AVAILABLE VIA INTERNET HOMEPAGES FROM SOUTH TEXAS NATIONAL WEATHER SERVICE OFFICES. THESE ADDRESSES CAN BE OBTAINED FROM WWW.SRH.NOAA.GOV WHICH IS THE HOMEPAGE ADDRESS FOR THE NATIONAL WEATHER SERVICE SOUTHERN REGION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:30 PM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Aug 22, 7:55 PM CDT | Flash Flood Warning | EWX | Bandera, Uvalde | 3 hr |
| Aug 22, 7:55 PM CDT | Flash Flood Warning | EWX | Kerr | 3 hr |
| Aug 22, 9:15 PM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Aug 22, 9:50 PM CDT | Flash Flood Warning | EWX | Uvalde, Zavala | 4 hr |
| Aug 22, 10:51 PM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Aug 23, 12:00 AM CDT | Flash Flood Warning | EWX | Medina | 2 hr |
| Aug 23, 1:43 AM CDT | Flash Flood Warning | EWX | Bandera, Real, Uvalde | 107 min |
| Aug 23, 1:43 AM CDT | Flash Flood Warning | EWX | Medina, Zavala | 107 min |
| Aug 23, 1:43 AM CDT | Flash Flood Warning | EWX | Kinney | 107 min |
| Aug 23, 2:06 AM CDT | Flash Flood Warning | EWX | DeWitt, Lavaca | 4 hr |
| Aug 23, 3:56 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Uvalde | 3 hr |
| Aug 23, 3:56 AM CDT | Flash Flood Warning | EWX | Real | 3 hr |
| Aug 23, 5:06 AM CDT | Flash Flood Warning | EWX | Bandera, Medina | 3 hr |
| Aug 23, 6:27 AM CDT | Flash Flood Warning | EWX | DeWitt, Gonzales | 3 hr |
| Aug 23, 6:52 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Kinney, Real, Uvalde | 4 hr |
| Aug 23, 9:10 AM CDT | Flash Flood Warning | EWX | Val Verde | 6 hr |
| Aug 23, 9:32 AM CDT | Flash Flood Warning | EWX | Blanco | 6 hr |
| Aug 23, 10:13 AM CDT | Flash Flood Warning | EWX | DeWitt, Gonzales, Lavaca | 6 hr |
| Aug 23, 10:46 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Uvalde | 4 hr |
| Aug 23, 10:46 AM CDT | Flash Flood Warning | EWX | Kerr, Real | 4 hr |
| Aug 23, 11:07 AM CDT | Flash Flood Warning | EWX | Caldwell, Guadalupe, Hays | 4 hr |
| Aug 23, 2:39 PM CDT | Flash Flood Warning | EWX | Bandera, Edwards, Kerr, Real | 5 hr |
| Aug 23, 2:39 PM CDT | Flash Flood Warning | EWX | Kinney, Uvalde | 5 hr |
| Aug 23, 2:39 PM CDT | Flash Flood Warning | EWX | Val Verde | 5 hr |
| Aug 23, 5:36 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Wilson | 3 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.