Alert archive / Texas / Flash Flood Warnings in 1989
Flash Flood Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 15, 1989, 4:20 AM CDT for Bastrop County, Caldwell County, Travis County, Texas. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- May 15, 1989, 4:20 AM CDT (09:20 UTC)
- Expired
- May 15, 1989, 6:15 AM CDT
- In force
- 115 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bastrop County, TX, Caldwell County, TX, Travis County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Victoria Regiona, TX (KVCT), launched 00:00Z, 9.3 hours before the alert went out and 153 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
- 3662 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KAUS 150923
FFWAUS
TXC021-055-453-151115-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
420 AM CDT MON MAY 15 1989
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 615 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL TEXAS
...BASTROP...CALDWELL...TRAVIS
HEAVY RAINS OF ONE TO TWO INCHES IN LESS THAN ONE HOUR HAVE FLOODED
MANY LOW SPOTS...STREETS...STREAMS AND CREEKS. LOW WATER CROSSINGS
WERE AT DANGEROUS LEVELS OVER MUCH OF TRAVIS...HAYS...CALDWELLL AND
BASTROP COUNTIES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FL4OODING IS
OBSERVED...ACT QUICKLY. MOVE UP 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, May 15, 12:05 AM CDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1155 PM CDT SUN MAY 14 1989 ...A SEVERE THUNDERSTORM WITH A HISTORY OF TORNADIC ACTIVITY AND LARGE HAIL WAS LOCATED 25 MILES NORTHWEST OF LLANO...JUST WEST OF THE SMALL TOWN OF PONTOTOC AND JUST NORTH OF MASON. IT WAS MOVING TOWARDS THE SOUTHEAST AT 15 MPH. ON ITS PRESENT MOVEMENT...IT SHOULD PASS VERY CLOSE TO PONTOTOC AND MAY CLOSE TO NEAR LLANO BEFORE 2 AM. REMEMBER...A TORNADO WATCH REMAINS OUT UNTIL 3 AM CDT FOR A LARGE PART OF CENTRAL TEXAS. PERSONS IN THE HILL COUNTRY...ESPECIALLY ALONG THE UPPER HIGHLAND LAKES SHOULD BE PREPARED FOR SEVERE THUNDERSTORMS WITH POSSIBLE TORNADOES... LARGE HAIL AND DANGEROUS LIGHTNING. DUE TO THE SIZE AND SLOW MOVEMENT OF THESE STORMS...LOCALIZED FLASH FLOODING WILL BE A DISTINCT LIKELI- HOOD AS THESE STORMS PASS OVER THE HILL COUNTRY SECTIONS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 60 min |
| May 14, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 66 min |
| May 14, 10:10 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 50 min |
| May 14, 10:55 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 65 min |
| May 15, 12:33 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Llano | 57 min |
| May 15, 1:32 AM CDT | Severe Thunderstorm Warning | EWX | Kendall | 58 min |
| May 15, 2:02 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Hays, Travis | 58 min |
| May 15, 3:46 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Hays, Travis | 59 min |
| May 15, 4:55 AM CDT | Flash Flood Warning | EWX | Fayette, Lee | 2 hr |
| May 15, 7:37 AM CDT | Tornado Warning | EWX | Jackson | 38 min |
| May 15, 8:14 AM CDT | Tornado Warning | EWX | Victoria | 46 min |
| May 15, 6:43 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 62 min |
Nearby
Flash Flood Warnings in Texas, 1989Every flash flood warning in 1989
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.