Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 159, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 17, 1998, 6:14 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
- Sep 17, 1998, 6:14 PM CDT (23:14 UTC)
- Expired
- Sep 17, 1998, 9:00 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 12:00Z, 11.2 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
- 684 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 31 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 172317 FFWSAT TXC137-180200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 614 PM CDT THU SEP 17 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... EDWARDS COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 9 PM CDT * FLASH FLOODING EXPECTED AROUND- FOR PARTS OF EDWARDS COUNTY * RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE NORTH...WEST...AND SOUTHWEST PART OF EDWARDS COUNTY. LITTLE MOVEMENT WAS INDICATED IN THE PAST HOUR. THESE HEAVY RAINS WILL CONTINUE FOR THE NEXT 1 TO 2 HOURS. IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD OR FLOODED LOW WATER CROSSINGS. 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
Special weather statement, Sep 17, 6:00 PM CDT, 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-181100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT THU SEP 17 1998 A WEAK TROPICAL DISTURBANCE OVER NORTH-CENTRAL MEXICO WILL INTERACT WITH A MOIST AND UNSTABLE AIRMASS OVER SOUTH TEXAS. AS A RESULT... WIDELY SCATTERED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS CAN BE EXPECTED TONIGHT AND FRIDAY. MOST OF THE RAINFALL WILL BE ALONG THE RIO GRANDE VALLEY AND OVER THE WESTERN HILL COUNTRY...GENERALLY ALONG AND WEST OF A LINE FROM ROCKSPRINGS TO CARRIZO SPRINGS LINE. MOST AREAS WILL SEE LESS THAN 1/4 INCH OF RAIN. HOWEVER...IN A FEW LOCATIONS ALONG THE RIO GRANDE AND OVER THE WESTERN HILL COUNTRY... AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE. WITH THE GROUND ALREADY SATURATED BY RECENT RAINS...SOME LOCALIZED FLOODING OF LOW LYING AREAS AND LOW WATER CROSSINGS. OVER FLATTER TERRAIN...THE RAINS MAY CAUSE PONDING OF WATER IN LOW LYING AREAS AND LOW ROADWAYS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE THROUGH FLOODED OR LOW LYING AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE ROAD. 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. TIMELY DELIVERY OF DATA AND PRODUCTS FROM THIS SERVER THROUGH THE INTERNET IS NOT GUARANTEED... UNLIKE DATA AND PRODUCTS DELIVERED FROM THE OFFICIAL NATIONAL WEATHER SERVICE SOURCES. THE OFFICIAL SOURCE OF NATIONAL WEATHER SERVICE DATA AND PRODUCTS IS THE NOAA WEATHER RADIO...NOAA WEATHER WIRE...FAMILY OF SERVICES AND EMWIN. 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, Sep 17, 6:00 PM CDT, 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-181100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT THU SEP 17 1998 A WEAK TROPICAL DISTURBANCE OVER NORTH-CENTRAL MEXICO WILL INTERACT WITH A MOIST AND UNSTABLE AIRMASS OVER SOUTH TEXAS. AS A RESULT... WIDELY SCATTERED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS CAN BE EXPECTED TONIGHT AND FRIDAY. MOST OF THE RAINFALL WILL BE ALONG THE RIO GRANDE VALLEY AND OVER THE WESTERN HILL COUNTRY...GENERALLY ALONG AND WEST OF A LINE FROM ROCKSPRINGS TO CARRIZO SPRINGS LINE. MOST AREAS WILL SEE LESS THAN 1/4 INCH OF RAIN. HOWEVER...IN A FEW LOCATIONS ALONG THE RIO GRANDE AND OVER THE WESTERN HILL COUNTRY... AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE. WITH THE GROUND ALREADY SATURATED BY RECENT RAINS...SOME LOCALIZED FLOODING OF LOW LYING AREAS AND LOW WATER CROSSINGS. OVER FLATTER TERRAIN...THE RAINS MAY CAUSE PONDING OF WATER IN LOW LYING AREAS AND LOW ROADWAYS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE THROUGH FLOODED OR LOW LYING AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE ROAD. 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. TIMELY DELIVERY OF DATA AND PRODUCTS FROM THIS SERVER THROUGH THE INTERNET IS NOT GUARANTEED... UNLIKE DATA AND PRODUCTS DELIVERED FROM THE OFFICIAL NATIONAL WEATHER SERVICE SOURCES. THE OFFICIAL SOURCE OF NATIONAL WEATHER SERVICE DATA AND PRODUCTS IS THE NOAA WEATHER RADIO...NOAA WEATHER WIRE...FAMILY OF SERVICES AND EMWIN. 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 |
|---|---|---|---|---|
| Sep 16, 9:03 PM CDT | Flash Flood Warning | EWX | Dimmit, Zavala | 3 hr |
| Sep 17, 12:25 AM CDT | Flash Flood Warning | EWX | Maverick | 3 hr |
| Sep 17, 5:26 PM CDT | Flash Flood Warning | EWX | Val Verde | 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.