Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 11, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 17, 1986, 1:59 PM CDT for Burnet County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 1986, 1:59 PM CDT (18:59 UTC)
- Expired
- May 17, 1986, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Burnet 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
Stephenville/Cla, TX (KSEP), launched 12:00Z, 7.0 hours before the alert went out and 159 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
- 2509 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 611 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 10.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAUS 171859 FFWAUS TXC021-031-287-053-453-209-491-172200- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN TX 159 PM CDT SAT MAY 17 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF TEXAS...BASTROP...BLANCO...LEE...BURNET...TRAVIS...HAYS AND WILLIAMSON AT 155 PM CDT A VERY HEAVY RAINS WERE INDICATED BY RADAR IN TRAVIS AND SURROUNDING COUNTIES. SEVERAL OF THESE STORMS HAVE PRODUCED RAINFALLS OF TWO INCHES PER HOUR OR MORE. 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 LOCsAL 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, May 17, 1:14 PM CDT, 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 115 PM CDT SAT MAY 17 1986 ...SEVERE WEATHER POTENTIAL EXISTS FOR SOUTH TEXAS... DUE TO THE NUMEROUS OUTDOOR ACTIVITIES TAKING PLACE ACROSS SOUTH TEXAS THIS SATURDAY AFTERNOON AND EVENING..SUCH AS THE SWC BASEBALL TOURNAMENT IN COLLEGE STATION..THE SWC TRACK & FIELD MEET IN HOUSTON..AND THE STATE HIGH SCHOOL TRACK & FIELD MEET IN AUSTIN..AMONG OTHERS..THE NATIONAL WEATHER SERVICE WOULD LIKE TO ALERT ALL WHO PLAN TO ATTEND ANY OF THESE EVENTS THAT THE POTENTIAL EXISTS FOR SEVERE WEATHER. A TORNADO WATCH EXISTS FOR A LARGE PORTION OF SOUTH AND SOUTHEAST TEXAS UNTIL 7 PM CDT THIS EVENING..AND MAY BE EXTENDED FURTHER INTO THE NIGHT- TIME HOURS. THE METROPOLITAN AREAS OF AUSTIN..SAN ANTONIO..HOUSTON AND BRYAN-COLLEGE STATION ARE INCLUDED IN THE WATCH. SEVERE WEATHER IN THE FORM OF TORNADOES..LARGE HAIL..FREQUENT LIGHTNING AND DAMAGING WINDS HAVE ALREADY BEEN REPORTED IN SOME OF THE STORMS NOW APPROACHING AUSTIN AND WACO. THUNDERSTORMS ARE ABOUT AN HOUR AWAY FROM BRYAN-COLLEGE STATION. PERSONS SHOULD LISTEN TO LOCAL RADIO..TV OR NOAA WEATHER RADIO STATIONS FOR THE LATEST WARNINGS..FORECASTS AND B:ULLETINS CONCERNING THIS SEVERE WEATHER EVENT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY ON SHORT NOTICE.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:01 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 59 min |
| May 16, 8:20 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 60 min |
| May 17, 9:29 AM CDT | Severe Thunderstorm Warning | EWX | Lampasas, Mills, San Saba | 61 min |
| May 17, 11:24 AM CDT | Tornado Warning | EWX | Burnet, Williamson | 66 min |
| May 17, 11:39 AM CDT | Severe Thunderstorm Warning | EWX | Llano | 66 min |
| May 17, 11:58 AM CDT | Severe Thunderstorm Warning | EWX | Burnet, Lampasas, San Saba | 62 min |
| May 17, 11:58 AM CDT | Severe Thunderstorm Warning | EWX | Llano | 62 min |
| May 17, 12:21 PM CDT | Tornado Warning | EWX | Blanco, Burnet, Llano | 69 min |
| May 17, 12:49 PM CDT | Severe Thunderstorm Warning | EWX | Comal | 56 min |
| May 17, 12:52 PM CDT | Tornado Warning | EWX | Travis | 68 min |
| May 17, 1:09 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 66 min |
| May 17, 1:23 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 67 min |
| May 17, 1:39 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee | 66 min |
| May 17, 1:59 PM CDT | Flash Flood Warning | EWX | Blanco, Hays | 3 hr |
| May 17, 1:59 PM CDT | Flash Flood Warning | EWX | Bastrop, Lee, Travis, Williamson | 3 hr |
| May 17, 3:20 PM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 55 min |
| May 17, 3:31 PM CDT | Tornado Warning | EWX | Guadalupe | 59 min |
| May 17, 3:34 PM CDT | Tornado Warning | EWX | Lavaca | 56 min |
| May 17, 3:40 PM CDT | Tornado Warning | EWX | Bastrop | 65 min |
| May 17, 3:40 PM CDT | Tornado Warning | EWX | Bastrop | 32 min |
| May 17, 3:41 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 64 min |
| May 17, 3:48 PM CDT | Tornado Warning | EWX | Gonzales | 72 min |
| May 17, 3:53 PM CDT | Tornado Warning | EWX | Lavaca | 67 min |
| May 17, 3:59 PM CDT | Tornado Warning | EWX | DeWitt | 61 min |
| May 17, 4:07 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 68 min |
| May 17, 4:35 PM CDT | Tornado Warning | EWX | Lavaca | 55 min |
| May 17, 4:40 PM CDT | Tornado Warning | EWX | Victoria | 80 min |
| May 17, 4:44 PM CDT | Severe Thunderstorm Warning | EWX | Jackson, Victoria | 61 min |
| May 17, 5:17 PM CDT | Tornado Warning | EWX | Goliad | 43 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.