Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 50, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 6, 1986, 2:20 AM CDT for Travis County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 6, 1986, 2:20 AM CDT (07:20 UTC)
- Expired
- Sep 6, 1986, 5:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County 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, 7.3 hours before the alert went out and 186 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
- 1681 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1176 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 16 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 060720 FFWAUS TXC453-061015- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN TX 220 AM CDT SAT SEP 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 515 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF TEXAS...TRAVIS AT 205 AM CDT A VERY HEAVY THUNDERSTORM WAS LOCATED OVER SOUTHERN TRAVIS COUNTY AND ANOTHER THUNDERSTORM OVER THE HILLS JUST WEST OF AUSTIN. THIS AREA OF THUNDERSTORMS HAS PRODUCED VERY HEAVY RAINS OVER SOUTHERN TRAVIS COUNTY WITH UP TO THREE INCHES OF RAIN AT BERGSTRAM AFB AND SOME FLOODING IN CREEDMORE AREA..ALSO SOME LOW WATER CROSSINGS HAVE BEEN FLOODED IN THE WEST LAKE HILLS AREA. THESE THUNDERSTORMS ARE MOVING SLOWLY NORTHEAST AND COULD POSSIBLE PRODUCE HEAVY RAINS OVER OTHER AREAS OF THE COUNTY LATER TONIGHT. REMEMBER THAT DEATHS DURING FLASH FLOODING ARE OFTEN RELATED TO MOTORISTS DRIVING THROUGH FLOODED LOW WATER CROSSINGS. IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. PLEASE ~LISTEN TO YOUR LOCAL RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS REGARDING THIS HEAVY RAIN EPISODE.
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, Sep 5, 8:30 PM CDT, 5 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 830 PM CDT FRI SEP 5 1986 ..SCATTERED HEAVY THUNDERSTORMS OVER SOUTH CENTRAL TEXAS.. AT 830 PM SCATTERED HEAVY THUNDERSTORMS WERE OVER THE CITY OF SAN ANTONIO AND EXTENDED NORTH INTO KENDALL AND COMAL COUNTIES. THESE THUNDERSTORMS WERE MOVING NORTH AT 15 MPH. WINDS HAVE GUSTED TO NEAR 30 MILES AN HOUR IN SAN ANTONIO ALONG WITH PERIODS OF BRIEF HEAVY RAIN AND FREQUENT LIGHTNING. BRIEF HEAVY RAIN..STRONG GUSTY WINDS..FREQUENT LIGHTNING..AND POSSIBLE SMALL HAIL CAN BE EXPECTED FROM THESE THUNDERSTORMS OVER BEXAR..COMAL AND KENDALL COUNTIES DURING THE NEXT HOUR OR TWO. MOTORISTS SHOULD CONTINUE TO BE ALERT FaOR FLOODING OF ROADWAYS..STREETS AND LOW WATER CROSSINGS IN THESE COUNTIES. LIGHTNING DANGER WILL ALSO BE HIGH FOR PEOPLE OUTSIDE PROTECTED SHELTER.
Special weather statement, Sep 5, 9:30 PM CDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 930 PM CDT FRI SEP 5 1986 ..SCATTERED HEAVY THUNDERSTORMS OVER SOUTH CENTRAL TEXAS.. AT 930 PM SCATTERED HEAVY THUNDERSTORMS CONTINUED OVER THE CITY OF SAN ANTONIO AND EXTENDED NORTH INTO THE TEXAS HILL COUNTRY. THESE THUNDERSTORMS WERE MOVING NORTH AT 15 MPH. AT 930 PM HEAVY RAIN WAS REPORTED OVER THE SOUTH AND WEST PARTS OF SAN ANTONIO. ALMOST AN INCH OF RAIN HAS FALLEN SOUTH OF DOWNTOWN. HEAVY RAIN WAS ALSO IN PROGRESS OVER NORTHWEST COMAL COUNTY. BRIEF HEAVY RAIN..STRONG GUSTY WINDS..FREQUENT LIGHTNING..AND POSSIBLE SMALL HAIL CAN BE EXPECTED FROM THESE THUNDERSTORMS OVER BEXAR..COMAL AND KENDALL COUNTIES DURING THE NEXT HOUR OR TWO. MOTORISTS SHOULD CONTINUE TO BE ALERT FOR FLOODING OF ROADWAYS..STREETS AND LOW WATER CROSSINGS IN THESE COUNTIES. LIGHTNING DANGER WILL ALSO BE HIGH FOR PEOPLE OUTSIDE PROTECTED SHELTER.
Special weather statement, Sep 5, 9:37 PM CDT, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 930 PM CDT FRI SEP 5 1986 ..SCATTERED HEAVY THUNDERSTORMS OVER SOUTH CENTRAL TEXAS.. AT 930 PM SCATTERED HEAVY THUNDERSTORMS CONTINUED OVER THE CITY OF SAN ANTONIO AND EXTENDED NORTH INTO THE TEXAS HILL COUNTRY. THESE THUNDERSTORMS WERE MOVING NORTH AT 15 MPH. HEAVY RAIN WAS REPORTED OVER THE SOUTH AND WEST PARTS OF SAN ANTONIO. ALMOST AN INCH OF RAIN HAS FALLEN SOUTH OF DOWNTOWN. HEAVY RAIN WAS ALSO IN PROGRESS OVER NORTHWEST COMAL COUNTY. BRIEF HEAVY RAIN..STRONG GUSTY WINDS..FREQUENT LIGHTNING..AND POSSIBLE SMALL HAIL CAN BE EXPECTED FROM THESE THUNDERSTORMS OVER BEXAR..COMAL AND KENDALL COUNTIES DURING THE NEXT HOUR OR TWO. MOTORISTS SHOULD CONTINUE TO BE ALERT FOR FLOODING OF ROADWAYS..STREETS AND LOW WATER CROSSINGS IN THESE COUNTIES. LIGHTNING DANGER WILL ALSO BE HIGH FOR PEOPLE OUTSIDE PROTECTED SHELTER.
Special weather statement, Sep 5, 10:25 PM CDT, 3 hours 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1025 PM CDT FRI SEP 5 1986 AT 1015 PM RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER THE EASTERN HALF OF VAL VERDE COUNTY. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR THE ROUGH CANYON AREA OF LAKE AMISTAD. THUNDERSTORMS WERE ALSO LOCATED WEST AND SOUTHWEST OF DEL RIO IN MEXICO. ANOTHER AREA OF THUNDERSTORMS WAS LOCATED ACROSS SOUTHERN CROCKETT AND SUTTON COUNTIES..ALSO FROM DEL RIO EAST TO SAN ANTONIO. THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 10 TO 15 MPH. RAINFALL REPORTED FROM WITHIN VAL VERDE COUNTY THIS EVENING HAS BEEN NEAR 1/2 INCH..HOWEVER MAYFIELD STORE SOUTH OF JUNO REPORTED 1.57 INCHES. AS RA IN CONTINUES WATER WILL BEGIN TO ACCUMULATE IN LOW WATER CROSSINGS. MOTORISTS ARE CAUTIONED TO APPROACH LOW WATER CROSSINGS WITH CARE AND TO SLOW DOWN ON WET PAVEMENT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 10:00 PM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Sep 6, 3:40 AM CDT | Flash Flood Warning | EWX | Kendall, Kerr | 4 hr |
| Sep 6, 5:21 AM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Sep 6, 7:44 AM CDT | Flash Flood Warning | EWX | Comal | 4 hr |
| Sep 6, 12:02 PM CDT | Flash Flood Warning | EWX | Comal | 118 min |
Nearby
Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986
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.