Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 1, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jun 8, 1986, 9:20 PM CDT for Zapata County, Texas. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1986, 9:20 PM CDT (02:20 UTC)
- Expired
- Jun 8, 1986, 11:15 PM CDT
- In force
- 115 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Zapata 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 2.3 hours before the alert went out and 214 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
- 2577 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 090221 RRA FFWBRO TXC505-090515- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 920 PM CDT SUN JUN 8 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF EXTREME SOUTH TEXAS...SOUTHERN ZAPATA A FLOOD WARNING MEANS FLOODING HAS BEEN REPORTED OR IS IMMINENT IN THE WARNED AREA. TAKE NECESSARY PRECAUTIONS IMMEDIATELY. HIGHWAY 83 WAS FLOODED IN THREE SEPARATE AREAS OVER SOUTH ZAPATA COUNTY. THE SHERIFF DEPARTMENT REPORTED 4 TO 5 INCHES OF RAIN IN THE PAST TWO HOURS AND IT IS STILL COMING DOWN VERY HEAVY. DO NOT DRIVE INTO AREAS WHERE WATER IS OVER THE CURB. UNDERPASSES AND BRIDGES OVER CREEKS AND DRAINAGE DITCHES CAN BE ESPECIALLY DANGEROUS WHEN FLOODED. WHERE WATER IS NOT OVER THE CURB BUT COVERS THE STREET TO A DEPTH OF A FEW INCHES...DRIVE SLOWLY TO AVOID STALLING THE VEHICLE. REDUCE SPEEDS TO AVOID SLIDING OUT OF CONTROL. DO NOT LET CHILDREN SWIM OR PLAY IN FLOODED AREAS...OR NEAR STORM DRAINS OR DITCHES. THEY COULD BE SWEPT AWAY IN STRONG CURRENTS... OR GET SICK FROM POLLUTED WATER. IF YOUR BUSINESS OR RESIDENCE HAS FLOODED IN PAST HEAVY RAIN EVENTS...BE PREPARED TO TAKE FAST ACTION TO STACK FURNITURE UP OFF THE FLOOR WHERE POSSIBLE...TURN OFF UTILITIES...AND MOVE YOURSELF...FAMILY...PETS...CARS...ETC TO HIGH GROUND. AT 900 PM CDT...BROWNSVILLE WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINS. VERY LITTLE MOVEMENT WAS NOTED IN THE PAST HOUR. IF FLOODING IS OBSERVED...YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR LOCAL FLOOD REPORTS TO THE BROWNSVILLE WEATHER SERVICE OFFICE. PLEASE LISTEN TO YOUR LOCAL RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS OR WARNINGS 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, Jun 8, 5:45 PM CDT, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 445 PM CDT SUN JUN 8 1986 AT 425 PM BROWNSVILLE RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN IN THE VICINITY OF BAFFIN BAY. THIS THUNDERSTORM WAS MOVING SOUTHWEST AT 15 MPH. VERY HEAVY RAINS...FREQUENT LIGHTNING ...GUSTY WINDS AND HAIL COULD BE ASSOCIATED WITH THIS THUNDERSTORM. MARINE INTERESTS IN THE BAFFIN BAY AREA SHOULD AVOID THIS THUNDERSTORM AND BE PREPARED TO SEEK SAFE HARBOR. DUE TO THE SLOW MOVEMENT OF THE THUNDERSTORM PERSONS IN LOW LYING FLOOD AREAS SHOULD BE PREPARED TO MOVE TO HIGHER GROUND. ELSEWHERE...AN AREA OF HEAVY THUNDERSHOWERS WERE FROM CORPUS CHRISTI TO 40 MILES EAST OF LAREDO. THIS AREA IS MOVING WEST AT 10 MPH. ADDITIONAL STATEMENTS WILL BE ISSUED IF CONDITIONS WARRANT.
Special weather statement, Jun 8, 6:45 PM CDT, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 645 PM CDT SUN JUN 8 1986 AT 625 PM BROWNSVILLE RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN OVER KENEDY COUNTY. THIS THUNDERSTORM WAS MOVING SOUTH AT 15 MPH. VERY HEAVY RAINS...FREQUENT LIGHTNING...GUSTY WINDS AND HAIL COULD BE ASSOCIATED WITH THIS THUNDERSTORM. PERSONS DRIVING ON HIGHWAY 77 BETWEEN KINGSVILLE AND RAYMONDVILLE SHOULD BE PREPARED TO STOP DUE TO GUSTY WINDS OR POOR VISIBILITIES DUE TO HEAVY RAINS. ALSO...ANOTHER STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED ABOUT 10 MILES SOUTH OF ZAPATA. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 15 MPH. ELSEWHERE...AN AREA OF STRONG T^HUNDERSTORMS WITH HEAVY RAINS DOTTED MUCH OF NORTHEAST MEXICO. THIS AREA IS MOVING NORTHEAST AT 15 MPH. ADDITIONAL STATEMENTS WILL BE ISSUED IF CONDITIONS WARRANT.
Special weather statement, Jun 8, 7:46 PM CDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 746 PM CDT SUN JUN 8 1986 AT 725 PM BROWNSVILLE RADAR INDICATED TWO STRONG THUNDERSTORMS WITH VERY HEAVY RAIN IN SOUTH TEXAS. ONE THUNDERSTORM WAS LOCATED OVER SOUTH KENEDY COUNTY MOVING SOUTH AT 15 MPH. ANOTHER THUNDERSTORM WAS LOCATED OVER ZAPATA COUNTY MOVING NORTHEAST AT 15 MPH. VERY HEAVY RAINS...GUSTY WINDS...HAIL AND FREQUENT LIGHTNING COULD BE ASSOCIATED WITH THESE THUNDERSTORMS. ALSO...ANOTHER AREA OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINS WAS LOCATED JUST SOUTH OF RIO GRANDE CITY TO 60 MILES NORTH OF CIUDAD VICTORIA. THIS AREA WAS MOVING NORTHEAST AT 15 MPH. ADDITIONAL STATEMENTS WILL BE ISSUED IF CONDITIONS WARRANT.
Special weather statement, Jun 8, 8:44 PM CDT, 36 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 844 PM CDT SUN JUN 8 1986 AT 825 PM BROWNSVILLE RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN OVER SOUTH ZAPATA COUNTY. VERY LITTLE MOVEMENT WAS NOTED. VERY HEAVY RAINS...GUSTY WINDS...HAIL AND FREQUENT LIGHTNING COULD BE ASSOCIATED WITH THIS THUNDERSTORM. DUE TO THE SLOW MOVEMENT OF THE THUNDERSTORM LOW LYING AREAS SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY AS SOME MINOR FLOODING IS POSSIBLE. ALSO...ANOTHER AREA OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINS WAS LOCATED 10 MILES SOUTH OF RIO GRANDE CITY TO 60 MILES SOUTH OF RIO GRANDE CITY. THIS AREA ALSO HAD VERY LITTLE MOVEMENT. ADDITIONAL STATEMENTS WILL BE ISSUED IF CONDITIONS WARRANT.
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.