Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 45, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 4, 1998, 5:25 AM CDT for Burnet County, Llano 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
- Jul 4, 1998, 5:25 AM CDT (10:25 UTC)
- Expired
- Jul 4, 1998, 8:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Burnet County, TX, Llano County, TX
The radar
The Ft Hood radar (KGRK), 100 km from the middle of the area, began a volume at 10:28 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
Fort Worth, TX (KFWD), launched 00:00Z, 10.4 hours before the alert went out and 256 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
- 661 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1783 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- -27 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 041027 FFWSAT TXC053-299-041330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 525 AM CDT SAT JUL 4 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... LLANO COUNTY IN SOUTH CENTRAL TEXAS BURNET COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 830 AM CDT * FLASH FLOODING EXPECTED AROUND- OVER BURNET AND EASTERN LLANO COUNTIES * RADAR ESTIMATES HEAVY RAIN OF UP TO 2 TO 4 INCHES IN THE PAST THREE HOURS OVER BURNET COUNTY AND THE EAST HALF OF LLANO COUNTY. NUMEROUS COUNTY ROADS AND LOW WATERS CROSSING ARE REPORTED FLOODED IN BURNET COUNTY. IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD. 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. 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 ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. &
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, Jul 4, 5:25 AM CDT, 0 minutes before
TXZ171>173-183>194-202>209-217>225-228-042300- SPECIAL WEATHER STATEMENT (SOUTH TEXAS ZONES) NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT SAT JUL 4 1998 ...FLASH FLOOD WATCH IN EFFECT TONIGHT AND SATURDAY FOR MOST SOUTH CENTRAL TEXAS... A FLASH FLOOD WATCH IS IN EFFECT TONIGHT AND SATURDAY GENERALLY ALONG AND EAST OF LINE FROM LLANO TO MOUNTAIN HOME TO HONDO TO PEARSALL. A TROPICAL WAVE WITH AN ASSOCIATED LARGE AREA OF SHOWERS AND THUNDERSTORMS CONTINUES TO MOVE NORTHWARD ACROSS SOUTH CENTRAL TEXAS. SHOWERS AND THUNDERSTORMS WILL CONTINUE...WITH THE RAINFALL INCREASING IN AREAL COVERAGE AND INTENSITY THROUGH SATURDAY. RAINFALL AMOUNTS TONIGHT AND SATURDAY ACROSS SOUTH CENTRAL TEXAS WILL BE FROM ONE TO TWO INCHES WITH ISOLATED AMOUNTS NEAR FIVE INCHES POSSIBLE. TROPICAL DOWNPOURS CAN PRODUCE COPIOUS AMOUNTS OF RAINFALL IN A VERY SHORT TIME PRODUCING FLOODING IN LOW WATER CROSSINGS AND LOW LYING AREAS. PERSONS PLANNING JULY 4TH HOLIDAY RECREATIONAL ACTIVITIES SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. MOTORISTS SHOULD BE VERY CAREFUL DURING THIS HOLIDAY TRAVEL TONIGHT AND SATURDAY AS ROADS ARE SLICK...TRAFFIC IS THICK...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE MILE IN HEAVY RAINFALL AND LOW WATER CROSSINGS COULD BE FLOODED. PLEASE USE EXTREME CAUTION. 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 VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...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 |
|---|---|---|---|---|
| Jul 4, 12:02 AM CDT | Flash Flood Warning | EWX | Comal, Hays | 3 hr |
| Jul 4, 1:03 AM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Jul 4, 3:30 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Hays, Travis | 4 hr |
| Jul 4, 2:13 PM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Travis | 4 hr |
| Jul 4, 2:13 PM CDT | Flash Flood Warning | EWX | Hays | 4 hr |
| Jul 4, 2:43 PM CDT | Flash Flood Warning | EWX | Comal | 4 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.