Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 14, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 1986, 8:16 AM CDT for Bexar County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 27, 1986, 8:16 AM CDT (13:16 UTC)
- Expired
- May 27, 1986, 11:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bexar 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 12:00Z, 1.3 hours before the alert went out and 171 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
- 1582 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 601 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 58 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 271316 FFWSAT TXC029-271600- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 816 AM CDT TUE MAY 27 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTH CENTRAL TEXAS...BEXAR AT 815 AM THIS MORNING AN AREA OF THUNDERSTORMS WAS MOVING SLOWLY THROUGH BEXAR COUNTY. BETWEEN ONE AND TWO INCHES OF RAIN IS EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH THE AREA. RAIN THIS HEAVY WILL CAUSE MANY LOW WATER CROSSINGS AND DRAINAGE DITCHES TO FLOOD. PEOPLE ARE URGED TO NOT ENTER FLOODED LOW WATER CROSSINGS OR FLOODED DITCHES. A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN REPORTED. TAKE NECESSARY PRECAUTIONS AS REQUIRED TO PROTECT LIFE AND PROPERTY. REMEMBER..DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS. IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY. 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 STATION FOR LATER STATEMENTS OR WARNINGS REGARDING THIS HEAVY RAIN EVENT.
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 27, 2:43 AM CDT, 5 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 245 AM CDT TUE MAY 27 1986 ...HEAVY THUNDERSTORMS MOVING INTO THE DEL RIO AREA... NATIONAL WEATHER SERVICE RADAR AT 240 AM INDICATED A LINE OF THUNDERSTORMS..SOME VERY HEAVY..EXTENDING FRON WESTERN EDWARDS COUNTY SOUTHWEST THROUGH EASTERN AND SOUTHERN VAL VERDE COUNTY. THESE THUNDERSTORMS ARE MOVING TO THE SOUTHEAST AND WILL BE MOVING THROUGH DEL RIO DURING THE NEXT HOUR OR TWO. STRONG GUSTY WINDS..BRIEF HEAVY RAIN AND SOME SMALL HAIL ARE LIKELY WITH THESE STORMS.
Special weather statement, May 27, 3:45 AM CDT, 4 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 345 AM CDT TUE MAY 27 1986 ..HEAVY THUNDERSTORMS MOVING THROUGH EDWARDS..KINNEY AND REAL COUNTY.. NATIONAL WEATHER SERVICE RADAR AT 340 AM INDICATED A LINE OF THUNDERSTORMS..SOME VERY HEAVY..EXTENDING FRON JUST SOUTH OF DEL RIO TO THE WESTERN EDGE OF REAL COUNTY AND INTO THE NORTHEAST CORNOR OF EDWARDS COUNTY. THESE THUNDERSTORMS ARE MOVING TO THE SOUTHEAST ABOUT 35 MILES AN HOUR. STRONG GUSTY WINDS..BRIEF HEAVY RAIN AND SOME SMALL HAIL ARE LIKELY WITH THESE STORMS. PEA SIZE HAIL WAS REPORTED AS THESE STORMS MOVED THROUGH THE DEL RIO AREA.
Special weather statement, May 27, 4:45 AM CDT, 3 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 445 AM CDT TUE MAY 27 1986 ...SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE TOWARD SAN ANTONIO... NATIONAL WEATHER SERVICE RADAR AT 440 AM INDICATED A LARGE AREA OF NUMEROUS SHOWERS AND THUNDERSHOWERS FROM THE HILL COUNTRY SOUTHWARD TO THE RIO GRANDE. THE LEADING EDGE OF THIS LARGE PRECIPITATON AREA WAS MARKED BY A BAND OF MODERATE TO HEAVY THUNDERSTORMS EXTENDING FROM KERR COUNTY SOUTHWEST THROUGH REAL..UVALDE..ZAVALA AND MAVERICK COUNTIES. THESE THUNDERSTORMS ARE MOVING TO THE EAST AND MAY PRODUCE STRONG GUSTY WIND..BRIEF HEAVY RAIN AND POSSIBLY SMALL.
Special weather statement, May 27, 4:50 AM CDT, 3 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 445 AM CDT TUE MAY 27 1986 ...SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE TOWARD SAN ANTONIO... NATIONAL WEATHER SERVICE RADAR AT 440 AM INDICATED A LARGE AREA OF NUMEROUS SHOWERS AND THUNDERSHOWERS FROM THE HILL COUNTRY SOUTHWARD TO THE RIO GRANDE. THE LEADING EDGE OF THIS LARGE PRECIPITATON AREA WAS MARKED BY A BAND OF MODERATE TO HEAVY THUNDERSTORMS EXTENDING FROM KERR COUNTY SOUTHWEST THROUGH REAL..UVALDE..ZAVALA AND MAVERICK COUNTIES. THESE THUNDERSTORMS ARE MOVING TO THE EAST AND MAY PRODUCE STRONG GUSTY WIND..BRIEF HEAVY RAIN AND SMALL HAIL.
Special weather statement, May 27, 6:00 AM CDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 600 AM CDT TUE MAY 27 1986 ...SHOWERS AND THUNDERSHOWERS MOVING INTO WESTERN BEXAR COUNTY... NATIONAL WEATHER SERVICE RADAR AT 545 AM CDT INDICATED A LARGE AREA OF SHOWERS AND THUNDERSHOWERS WEST OF SAN ANTONIO OVER THE HILL COUNTRY. THIS ACTIVITY WAS MOVING SOUTHEASTWARD INTO THE WESTERN PARTS OF BEXAR COUNTY. RESIDENTS OF BEXAR COUNTY CAN EXPECT LIGHT TO MODERATE RAINS FOR THE NEXT TWO TO THREE HOURS AS THIS SYSTEM MOVES ACROSS. SINCE THIS RAIN WILL OCCUR DURING THE RUSH HOUR TRAFFIC..MOTORISTS ARE URGED TO SLOW DOWN ON THE WET ROADS THIS MORNING AND ALLOW EXTRA TIME IN GETTING THEIR DESTINATIONS. ADDITIONAL STA_TEMENTS WILL BE ISSUED AS NESSESARY.
Special weather statement, May 27, 7:47 AM CDT, 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 750 AM CDT TUE MAY 27 1986 ...SHOWERS AND THUNDERSTORMS MOVING THROUGH BEXAR COUNTY... A LINE OF SHOWERS AND THUNDERSTORMS IS MOVING SLOWLY THROUGH BEXAR COUNTY. THE HEAVIEST THUNDERSTORMS ARE LOCATED OVER THE WEST AND SOUTHERN PART OF THE COUNTY BUT ALL THE AREA IS COVERED BY LIGHT TO MODERATE RAIN. RAIN WITH THESE THUNDERSTORMS IS SUFFICIENT TO FLOOD DRAINAGE DITCHES AND SOME LOW WATER CROSSINGS. REMEMBER THAT MANY PEOPLE DROWN BY DRIVING OR ENTERING FLOODED LOW WATER CROSSINGS AND DITCHES. YOU MAY BE LATE BUT ENTERING A FLOODED AREA MAY RESULT IN YOU NEVER REACHING YOUR DESTINATION. THE RAIN SHOULD MOVE THROUGH BEXAR AND SURROUNDING COUNTIES THIS MORNING WITH SKIES BECOMING PARTLY CLOUDY BY AFTERNOON. ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED LATE THIS AFTERNOON AND TONIGHT.
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.