Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 184, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 17, 1998, 10:50 PM CDT for Bandera 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
- Oct 17, 1998, 10:50 PM CDT (03:50 UTC)
- Expired
- Oct 18, 1998, 1:50 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bandera County, TX
The radar
The Laughlin AFB radar (KDFX), 113 km from the middle of the area, began a volume at 03:54 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
Del Rio, TX (KDRT), launched 00:00Z, 3.8 hours before the alert went out and 160 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
- 1986 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSJT 180350 FFWSAT TXC019-180650- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX ISSUED BY NATIONAL WEATHER SERVICE SAN ANGELO TX 1050 PM CDT SAT OCT 17 1998 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN BANDERA COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 150 AM CDT * AT 1048 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN EASTERN BANDERA COUNTY... MOVING SLOWLY NORTHEAST. * DOPPLER RADAR ESTIMATED THAT NEARLY TWO INCHES OF RAIN HAD FALLEN ACROSS EASTERN BANDERA COUNTY WITHIN THE PAST HOUR AND OVER FOUR INCHES OF RAIN WITHIN THE PAST FOUR HOURS. XADDITIONAL RAINFALL OF ONE TO TWO INCHES IS POSSIBLE BY MIDNIGHT. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT FOR SAFE PASSAGE AND THE ROAD UNDERNEATH MAY NOT BE INTACT. TEW
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 Oct 17, 8:20 PM CDT, 2 hours 30 minutes earlier.
Area forecast discussion, Oct 17, 8:20 PM CDT, 2 hours 30 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 820 PM CDT SAT OCT 17 1998 MSTR CONTINUES TO ADVECT FM MADELINE ACRS MEXICO INTO TX. THIS MSTR COMBINED WITH THE SFC FNT TO THE NORTH AND UPR DYNAMICS TO GENERATE COPIOUS RAIN/TSTMS TDA JUST NORTH OF OUR CWA. NEVERTHELESS... SCATTERED SHOWERS AND THUNDERSTORMS HAVE AFFECTED MAINLY THE CNTRL AND ERN CWA TDA IN PART DUE TO THE RRQ OF THE UPR JET STREAK. THIS STREAK IS PROGD BY ALL MODELS TO LIFT NEWD. THE AVN IS PREFERRED ATTM SINCE COMPARISON WITH LAPS INDICATES THAT IT IS BETTER THAN NGM AND ETA IN FCSTG THE SFC PRES FIELD OVR THE WRN CWA. THE AVN PROGD A SFC LOW TO DVLP FM 00 TO 06 UTC OVR THE WRN CWA AND LAPS PRES PTNS INDICATES SUCH. THUS EXPECT PCPN TO DVLP OVR THE WRN CWA TNGT. WSR-88D IS BEGINNING TO INDICATE SUCH. AVN PROGS THE WRN CWA LOW TO DMSH YET DRAGS THE SFC FNT INTO THE CWA SUN...AND KEEPS IT QUASI-STATIONARY...WHICH WL ENHANCE CHANCE FOR SHOWERS AND THUNDERSTORMS. SFC THETA-E VALUES ARE ALREADY GREATER THAN THAT PROGD BY THE NGM/ETA/AVN. HIGH LOW LVL AND MID LVL MSTR WL LIKELY RESULT IN COPIOUS RAINS OVR PTNS OF THE CWA SUN. NO CHGS TO CURRENT PERIOD ATTM...HWR SUGGEST MENTION OF PSBL HVY RAIN IN THE ZNS FOR SUN...AND CONSIDER PSBL ISSUANCE OF FFA. 87
In the hours before
Special weather statement, Oct 17, 5:00 PM CDT, 5 hours 50 minutes before
TXZ171>173-183>194-202>209-217>225-228-181100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 PM CDT SAT OCT 17 1998 A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT TONIGHT THROUGH SUNDAY FOR THE TEXAS HILL COUNTRY AND ALL OF SOUTH CENTRAL TEXAS. A SERIES OF UPPER LEVEL DISTURBANCES...MOISTURE FROM EASTERN PACIFIC TROPICAL SYSTEMS...GULF MOISTURE...AND A SLOW MOVING COLD FRONT WILL INTERACT TO PRODUCE WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS THROUGH SUNDAY. ADDITIONAL RAINFALL AMOUNTS OF UP TO 5 INCHES CAN BE EXPECTED. PERSONS IN OR NEAR THE WATCH AREA ARE URGED TO CHECK PREPAREDNESS REQUIREMENTS...KEEP INFORMED AND BE READY TO TAKE ACTION IF HEAVY RAIN OR FLOODING IS OBSERVED OR A WARNING IS ISSUED. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE THROUGH FLOODED OR LOW LYING AREAS WHERE WATER IS FLOWING OR OF AN UNKNOWN DEPTH. KEEP CHILDREN AWAY FROM STORM DRAINS AND STREAMS. 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, Oct 17, 5:00 PM CDT, 5 hours 50 minutes before
TXZ171>173-183>194-202>209-217>225-228-181100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 PM CDT SAT OCT 17 1998 A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT TONIGHT THROUGH SUNDAY FOR THE TEXAS HILL COUNTRY AND ALL OF SOUTH CENTRAL TEXAS. A SERIES OF UPPER LEVEL DISTURBANCES...MOISTURE FROM EASTERN PACIFIC TROPICAL SYSTEMS...GULF MOISTURE...AND A SLOW MOVING COLD FRONT WILL INTERACT TO PRODUCE WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS THROUGH SUNDAY. ADDITIONAL RAINFALL AMOUNTS OF UP TO 5 INCHES CAN BE EXPECTED. PERSONS IN OR NEAR THE WATCH AREA ARE URGED TO CHECK PREPAREDNESS REQUIREMENTS...KEEP INFORMED AND BE READY TO TAKE ACTION IF HEAVY RAIN OR FLOODING IS OBSERVED OR A WARNING IS ISSUED. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE THROUGH FLOODED OR LOW LYING AREAS WHERE WATER IS FLOWING OR OF AN UNKNOWN DEPTH. KEEP CHILDREN AWAY FROM STORM DRAINS AND STREAMS. 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 |
|---|---|---|---|---|
| Oct 17, 7:15 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 60 min |
| Oct 17, 8:33 PM CDT | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Oct 17, 10:15 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Oct 17, 10:25 PM CDT | Flash Flood Warning | EWX | Bastrop, Fayette | 5 hr |
| Oct 17, 11:13 PM CDT | Flash Flood Warning | EWX | Uvalde | 3 hr |
| Oct 17, 11:18 PM CDT | Flash Flood Warning | EWX | Bexar, Medina | 4 hr |
| Oct 17, 11:27 PM CDT | Flash Flood Warning | EWX | Lee | 4 hr |
| Oct 17, 11:27 PM CDT | Flash Flood Warning | EWX | Lavaca | 4 hr |
| Oct 17, 11:29 PM CDT | Flash Flood Warning | EWX | Caldwell, Comal, Gonzales, Guadalupe | 4 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Fayette, Lee | 8 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe, Hays | 8 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Travis, Williamson | 8 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Gillespie, Llano | 8 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Bandera, Medina, Uvalde | 8 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Kendall, Kerr | 8 hr |
| Oct 17, 11:50 PM CDT | Flash Flood Warning | EWX | Real | 8 hr |
| Oct 18, 2:35 AM CDT | Flash Flood Warning | EWX | Gonzales, Lavaca | 5 hr |
| Oct 18, 4:24 AM CDT | Flash Flood Warning | EWX | DeWitt, Karnes | 4 hr |
| Oct 18, 5:04 AM CDT | Flash Flood Warning | EWX | Wilson | 3 hr |
| Oct 18, 5:19 AM CDT | Flash Flood Warning | EWX | Frio, Zavala | 3 hr |
| Oct 18, 5:19 AM CDT | Flash Flood Warning | EWX | Atascosa | 3 hr |
| Oct 18, 7:29 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Fayette, Gonzales, Lee, Travis and 1 more | 5 hr |
| Oct 18, 7:29 AM CDT | Flash Flood Warning | EWX | DeWitt, Karnes, Lavaca | 5 hr |
| Oct 18, 7:29 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Comal, Gillespie, Hays, Kendall and 1 more | 5 hr |
| Oct 18, 7:29 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Guadalupe, Wilson | 5 hr |
| Oct 18, 7:29 AM CDT | Flash Flood Warning | EWX | Bandera, Frio, Medina, Uvalde, Zavala | 5 hr |
| Oct 18, 7:29 AM CDT | Flash Flood Warning | EWX | Kerr, Real | 5 hr |
| Oct 18, 11:28 AM CDT | Flash Flood Warning | EWX | Bastrop, Lee, Williamson | 4 hr |
| Oct 18, 11:28 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Comal, Guadalupe, Medina | 4 hr |
| Oct 18, 11:28 AM CDT | Flash Flood Warning | EWX | Frio, Uvalde | 4 hr |
| Oct 18, 11:28 AM CDT | Flash Flood Warning | EWX | Blanco, Caldwell, Hays, Travis | 4 hr |
| Oct 18, 11:38 AM CDT | Flash Flood Warning | EWX | DeWitt, Fayette, Gonzales, Karnes, Lavaca, Wilson | 6 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.