Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 37, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Mar 30, 1998, 7:45 PM CST 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
- Mar 30, 1998, 7:45 PM CST (01:45 UTC)
- Expired
- Mar 30, 1998, 10:45 PM CST
- 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 01:44 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
Del Rio, TX (KDRT), launched 00:00Z, 1.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3217 m above ground
- 0-6 km bulk shear
- 95 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 638 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 310146 FFWSAT TXC019-031-259-310445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 745 PM CST MON MAR 30 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...EASTERN BANDERA COUNTY...BLANCO COUNTY...KENDALL COUNTY AT 745 PM CST...DOPPLER RADAR INDICATED A LINE OF SLOW MOVING STRONG THUNDERSTORMS FROM TARPLEY TO BANDERA TO JOHNSON CITY AND ROUND MOUNTAIN. MOVEMENT OF THE LINE WAS EAST AT 10 TO 15 MPH. DOPPLER RADAR INDICATED THESE STORMS WERE PRODUCING RAINFALL RATES OF 1 TO 2 INCHES AN HOUR. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGI NS 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, Mar 30, 4:59 PM CST, 2 hours 46 minutes before
TXZ171>173-183>194-202>209-217>225-228-311200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 459 PM CST MON MAR 30 1998 HAZARDOUS WEATHER IS POSSIBLE THIS EVENING FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY...GENERALLY EAST OF A LINE FROM EAGLE PASS TO JUNCTION AND SAN SABA. A LINE OF SHOWERS AND THUNDERSTORMS WILL SWEEP ACROSS MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS EVENING. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE WITH DAMAGING WINDS THE PRIMARY THREAT. THESE SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG A PACIFIC COLD FRONT AND SHOULD BE SOUTH AND EAST OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY BY MIDNIGHT. RAINFALL WILL BE LOCALLY HEAVY WITH AMOUNTS AVERAGING BETWEEN 1/4 AND 1/2 INCH WITH ISOLATED 1 INCH TOTALS POSSIBLE. 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 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 CLOSEST NOAA WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz AND 162.550 MHz.
Special weather statement, Mar 30, 4:59 PM CST, 2 hours 46 minutes before
TXZ171>173-183>194-202>209-217>225-228-311200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 459 PM CST MON MAR 30 1998 HAZARDOUS WEATHER IS POSSIBLE THIS EVENING FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY...GENERALLY EAST OF A LINE FROM EAGLE PASS TO JUNCTION AND SAN SABA. A LINE OF SHOWERS AND THUNDERSTORMS WILL SWEEP ACROSS MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS EVENING. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE WITH DAMAGING WINDS THE PRIMARY THREAT. THESE SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG A PACIFIC COLD FRONT AND SHOULD BE SOUTH AND EAST OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY BY MIDNIGHT. RAINFALL WILL BE LOCALLY HEAVY WITH AMOUNTS AVERAGING BETWEEN 1/4 AND 1/2 INCH WITH ISOLATED 1 INCH TOTALS POSSIBLE. 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 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 CLOSEST NOAA WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz AND 162.550 MHz.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 6:47 PM CST | Severe Thunderstorm Warning | EWX | Blanco, Burnet | 58 min |
| Mar 30, 7:06 PM CST | Severe Thunderstorm Warning | EWX | Kendall | 69 min |
| Mar 30, 7:45 PM CST | Flash Flood Warning | EWX | Blanco, Kendall | 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; radar from the NEXRAD Level II archive.