Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 15, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Feb 16, 1998, 8:42 AM CST for Lavaca County, Texas. It was in force for 2 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
- Feb 16, 1998, 8:42 AM CST (14:42 UTC)
- Expired
- Feb 16, 1998, 10:45 AM CST
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lavaca County, TX
The radar
The Austin/San Antonio radar (KEWX), 112 km from the middle of the area, began a volume at 14:44 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
Corpus Christi, TX (KCRP), launched 12:00Z, 2.7 hours before the alert went out and 188 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
- 307 J/kg
- Mixed-layer CIN
- -265 J/kg
- Mixed-layer LCL
- 508 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 384 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 161444 FFWSAT TXC285-161645- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 842 AM CST MON FEB 16 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...LAVACA COUNTY NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES NEAR ONE AND ONE AND A HLAF INCHES OF RAINFALL PER HOUR OVER LAVACA COUNTY. BETWEEN HALLETTSVILLE AND SPEAKS...THE MOST RAINFALL HAS OCCURRED. SHOWERS WITH MODERATE RAINFALL WILL CONTINUE TO MOVE THROUGH LAVACA COUNTY FOR THE NEXT TWO HOURS. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND IF YOU CAN DO SO SAFELY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT TO ESCAPE RISING WATER DURING THREATENING RAINS.
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, Feb 16, 4:13 AM CST, 4 hours 29 minutes before
TXZ202-203-217-218-228-161215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 413 AM CST MON FEB 16 1998 ...SEVERE THUNDERSTORM WATCH FOR KINNEY... UVALDE... MAVERICK... ZAVALA AND DIMMIT COUNTIES HAS BEEN CANCELLED... THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOR KINNEY... UVALDE... MAVERICK... ZAVALA AND DIMMIT COUNTIES. THE AREA OF SHOWERS AND THUNDERSTORMS PRODUCING HAIL UP TO 3/4 INCH IN DIAMETER HAS MOVED EAST OF THE AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 AM FOR OTHER AREAS OF SOUTH TEXAS. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. 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 CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION.
Special weather statement, Feb 16, 4:13 AM CST, 4 hours 29 minutes before
TXZ202-203-217-218-228-161215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 413 AM CST MON FEB 16 1998 ...SEVERE THUNDERSTORM WATCH FOR KINNEY... UVALDE... MAVERICK... ZAVALA AND DIMMIT COUNTIES HAS BEEN CANCELLED... THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOR KINNEY... UVALDE... MAVERICK... ZAVALA AND DIMMIT COUNTIES. THE AREA OF SHOWERS AND THUNDERSTORMS PRODUCING HAIL UP TO 3/4 INCH IN DIAMETER HAS MOVED EAST OF THE AREA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 AM FOR OTHER AREAS OF SOUTH TEXAS. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. 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 CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION.
Local storm report, Feb 16, 5:36 AM CST, 3 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
545 AM CST MON FEB 16 1998
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0242 QM EL INDIO TX .75 INCH HAIL
02/16/98 MAVERICK
0332 AM HONDO TX .75 INCH HAIL
02/16/98 MEDINA REPORTED BY SHERIFF DEPTSpecial weather statement, Feb 16, 5:55 AM CST, 2 hours 47 minutes before
TXZ171>173-183>194-202>209-217>225-228-162345- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 555 AM CST MON FEB 16 1998 ...SEVERE THUNDERSTORM UNTIL 8 AM FOR EASTERN PORTIONS OF SOUTH CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOR BEXAR... MEDINA... ATASCOSA... FRIO AND WILSON COUNTY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 AM FOR KARNES AND DEWITT COUNTY. NUMEROUS SHOWERS AND THUNDERSTORMS THIS MORNING WILL PRODUCE RAINFALL TOTALS OF 1/4 TO 1 INCH. ISOLATED SEVERE THUNDERSTORMS WILL PRODUCE HAIL 3/4 INCH OR LARGER. DECREASING CLOUDINESS AND BREEZY CONDITIONS WILL DEVELOP WEST TO EAST IN THE WAKE OF THE SHOWERS AND THUNDERSTORMS. A WIND ADVISORY FOR WEST AND NORTHWEST WINDS OF 20 TO 30 MPH IS IN EFFECT FOR KARNES AND DEWITT COUNTY TODAY. ELSEWHERE NORTHWEST WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS WILL DEVELOP OVER LAKE AMISTAD. CAUTION IS ADVISED ON AREA LAKES ALONG AND NEAR THE UPPER RIO GRANDE INCLUDING LAKE AMISTAD. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. 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 CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION.
Special weather statement, Feb 16, 5:55 AM CST, 2 hours 47 minutes before
TXZ171>173-183>194-202>209-217>225-228-162345- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 555 AM CST MON FEB 16 1998 ...SEVERE THUNDERSTORM UNTIL 8 AM FOR EASTERN PORTIONS OF SOUTH CENTRAL TEXAS... THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH FOR BEXAR... MEDINA... ATASCOSA... FRIO AND WILSON COUNTY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 AM FOR KARNES AND DEWITT COUNTY. NUMEROUS SHOWERS AND THUNDERSTORMS THIS MORNING WILL PRODUCE RAINFALL TOTALS OF 1/4 TO 1 INCH. ISOLATED SEVERE THUNDERSTORMS WILL PRODUCE HAIL 3/4 INCH OR LARGER. DECREASING CLOUDINESS AND BREEZY CONDITIONS WILL DEVELOP WEST TO EAST IN THE WAKE OF THE SHOWERS AND THUNDERSTORMS. A WIND ADVISORY FOR WEST AND NORTHWEST WINDS OF 20 TO 30 MPH IS IN EFFECT FOR KARNES AND DEWITT COUNTY TODAY. ELSEWHERE NORTHWEST WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS WILL DEVELOP OVER LAKE AMISTAD. CAUTION IS ADVISED ON AREA LAKES ALONG AND NEAR THE UPPER RIO GRANDE INCLUDING LAKE AMISTAD. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. 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 CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 2:34 AM CST | Severe Thunderstorm Warning | EWX | Maverick | 41 min |
| Feb 16, 2:49 AM CST | Severe Thunderstorm Warning | EWX | Dimmit | 56 min |
| Feb 16, 3:09 AM CST | Severe Thunderstorm Warning | EWX | Medina | 61 min |
| Feb 16, 3:16 PM CST | Severe Thunderstorm Warning | EWX | Lavaca | 59 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; radar from the NEXRAD Level II archive.