Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 29, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 14, 1991, 8:36 PM CDT for Travis County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 14, 1991, 8:36 PM CDT (01:36 UTC)
- Expired
- Aug 14, 1991, 10:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Travis County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 00:00Z, 1.6 hours before the alert went out and 212 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
- 727 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 32 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 KAUS 150138 FFWAUS TXC453-150345- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN TX 836 PM CDT WED AUG 14 1991 THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...SOUTHERN TRAVIS COUNTY AT 835 PM CDT RADAR SHOWED VERY STRONG THUNDERSTORMS OVER SOUTH TRAVIS COUNTY. THESE THUNDERSTORMS WERE MOVING EAST OR SOUTHEAST AT LESS THAN 5 MILES AN HOUR. MORE THAN ONE AND ONE-HALF INCH OF RAIN IN LESS THAN ONE HALF HOUR HAS ACCOMPANIED SOME OF THESE STORMS. 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. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER D9EPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
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, Aug 14, 7:32 PM CDT, 1 hour 4 minutes before
TXZ035>036-150200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 730PM CDT WED AUG 14 1991 ...SHOWERS AND THUNDERSTORMS IN SOUTHCENTRAL TEXAS... AT 725PM CDT SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST THROUGH WILLIAMSON...TRAVIS...BLANCO AND GILLESPIE COUNTIES. THE STRONGEST STORMS WERE JUST SOUTH OF HUTTO IN WILLIAMSON COUNTY AND IN WEST CENTRAL TRAVIS COUNTY JUST WEST OF MO-PAC HIGHWAY. SOME OF THESE STRONGER STORMS COULD PRODUCE ONE TO TWO INCHES OF RAIN IN A SHORT PERIOD OF TIME. A WEATHER SPOTTER IN HUTTO REPORTED NEARLY AN INCH AND A HALF OF RAIN IN A 20 MINUTE PERIOD BETWEEN 630 AND 7PM THIS EVENING. THESE THUNDERSTORMS WERE MOVING SLOWLY TOWARDS THE SOUTHEAST AND MOTORISTS SHOULD NOT DRIVE INTO LOW AREAS WHERE WATER IS ACROSS THE ROADWAY. WITHROW
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 11:51 PM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991
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.