Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 133, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 29, 1998, 8:41 PM CDT for Edwards 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
- Aug 29, 1998, 8:41 PM CDT (01:41 UTC)
- Expired
- Aug 29, 1998, 11:40 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Edwards County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.7 hours before the alert went out and 86 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
- 1532 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1934 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 87 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 300143 FFWSAT TXC137-300440- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 841 PM CDT SAT AUG 29 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... EDWARDS COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 1140 PM CDT * FLASH FLOODING EXPECTED AROUND- * CARTA VALLEY EAST TO FARM ROAD 674. RADAR ESTIMATED OVER 3 INCHES AN HOUR RAINFALL FROM THUNDERSTORMS REDEVELOPING AND MOVING SLOWLY WEST TOWARD CARTA VALLEY. IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD.
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
Special weather statement, Aug 29, 6:00 PM CDT, 2 hours 41 minutes before
TXZ171>173-183>194-202>209-217>225-228-301100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SAT AUG 29 1998 THERE IS A CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTHERN PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL DARK. INSTABILITY ALOFT AND A THERMAL LOW PRODUCED FROM HIGH TEMPERATURES AT THE SURFACE COMBINED TO HELP PRODUCE SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE NORTHERN HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON. THIS ACTIVITY SHOULD CONTINUE TIL DARK WITH THE MAIN THREATS BEING LOCALIZED HEAVY RAINS AND FLOODING AND DOWNBURST WINDS..POSSIBLY IN EXCESS OF 50 MILES AN HOUR. A SLIGHT CHANCE OF SEVERE THUNDERSTORMS WILL CONTINUE SUNDAY THROUGHOUT SOUTH CENTRAL TEXAS AND THE HILL COUNTRY WITH A SIMILAR SCENARIO EXPECTED. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECAST...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
Special weather statement, Aug 29, 6:00 PM CDT, 2 hours 41 minutes before
TXZ171>173-183>194-202>209-217>225-228-301100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SAT AUG 29 1998 THERE IS A CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTHERN PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL DARK. INSTABILITY ALOFT AND A THERMAL LOW PRODUCED FROM HIGH TEMPERATURES AT THE SURFACE COMBINED TO HELP PRODUCE SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE NORTHERN HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON. THIS ACTIVITY SHOULD CONTINUE TIL DARK WITH THE MAIN THREATS BEING LOCALIZED HEAVY RAINS AND FLOODING AND DOWNBURST WINDS..POSSIBLY IN EXCESS OF 50 MILES AN HOUR. A SLIGHT CHANCE OF SEVERE THUNDERSTORMS WILL CONTINUE SUNDAY THROUGHOUT SOUTH CENTRAL TEXAS AND THE HILL COUNTRY WITH A SIMILAR SCENARIO EXPECTED. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECAST...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
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:57 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| Aug 30, 6:04 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 61 min |
| Aug 30, 6:09 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 61 min |
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.