Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 34, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 2, 1987, 10:16 PM CDT for Bexar County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1987, 10:16 PM CDT (03:16 UTC)
- Expired
- Jun 3, 1987, 12:30 AM CDT
- In force
- 2 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 00:00Z, 3.3 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
- 720 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 87 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 030316
FFWSAT
TXC029-177-493-030530-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1016 PM CDT TUE JUN 2 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1230 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...BEXAR...GONZALES...WILSON
ALTHOUGH NO HEAVY RAIN IS PRESENTLY FALLING OVER THE THREE COUNTY
AREA...FLASH FLOODING CONTINUES ACROSS NUMEROUS LOW WATER CROSSINGS
AT THIS TIME. NUMEROUS LOW AREAS AND POORLY DRAINED AREAS ARE STILL
UNDER WATER...PARTICULARY IN EASTERN BEXAR...NORTHERN WILSON AND
WESTERN GONZALES COUNTIES.
REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELLATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.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 2, 4:47 PM CDT, 5 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 450 PM CDT TUE JUN 2 1987 ...SMALL STREAM AND URBAN FLOOD STATEMENT... WEATHER RADAR SHOWS WIDESPREAD MODERATE RAIN OVER A LARGE PORTION OF CENTRAL TEXAS... THE HEAVIEST RAINFALL EXTENDS FROM COLLEGE STATION TO LULING... JUST NORTH OF SAN ANTONIO AND OVER THE HILL COUNTRY TO BLANCO AND JOHNSON CITY. SEVERAL OF THESE HEAVIER SHOUWES HAVE RAINFALL RATES OF 1 TO 2 INCHES AN HOUR. THE CITY OF AUSTIN REMAINS JUST ABOUT SATURATED... SOME CITY STREETS HAVE BEEN BARRICADED AND ALL CREEKS ARE AT OR NEAR BANKFULL. ADDITIONAL RAINS OF ONLY 1/2 TO 1 INCH WILL CAUSE ADDITIONAL FLOODING. MOTORISTS SHOULD USE EXTREME CAUTION AT LOW WATER CROSSINGS AND BE ALERT ON CITY STREETS WITH POOR DRAINAGE UNTILL HIGH WATER SIBSIDES. A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT.
Special weather statement, Jun 2, 6:14 PM CDT, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 615 PM CDT TUE JUN 2 1987 ...A FLASH FLOOD WATCH REMAINS IN EFFECT OVERNIGHT... WEATHER RADAR SHOWS WIDESPREAD LIGHT TO MODERATE RAINS CONTINUING OVER MOST OF CENTRAL TEXAS. THE HEAVIEST RAINFALL EXTENDS FROM BRYAN/COLLEGE STATION TO SMITHVILLE TO NEAR SAN ANTONIO. OTHER MODERATE SHOWERS ARE LOCATED FROM DRIPPING SPRINGS TO COMFORT. THE SHOWERS TO OUR SOUTHEAST ARE BUILDING SLOWLY TO THE SOUTH... WHILE THE SHOWERS OVER THE HILL COUNTRY ARE MOVING SLOWLY NORTH. RAIN HAS TAPERED OFF IN THE CITY OF AUSTIN BUT SOME CITY STREETS REMAIN BARRICADED AND ALL CREEKS ARE AT OR NEAR BANKFULL. MOTORISTS SHOULD STILL USE CAUTION AT LOW WATER CROSSINGS AND BE ALERT ON CITY STREETS WITH POOR DRAINAGE UNTILL WATER SIBSIDES.
Special weather statement, Jun 2, 8:27 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 835 PM CDT TUE JUN 2 1987 ...A FLASH FLOOD WATCH HAS BEEN PLACED OVER VAL VERDE COUNTY TONIGHT... AT 820 PM CDT RADAR INDICATED NO SHOWERS OR THUNDERSTORMS IN OR NEAR THE IMMEDIATE BORDERS OF VAL VERDE COUNTY. HOWEVER...GROUPS OF STRONG STORMS THAT WERE LYING FROM SOUTHEAST OF SAN ANGELO TO SOUTHEAST OF SAN ANTONIO WERE DRIFTING SLOWLY SOUTHWEST TOWARDS VAL VERDE COUNTY. THE POSSIBLITY OF HEAVY RAINS WITH THESE STORMS IS HIGH AS THEY ARE MOVING SLOWLY. ONCE HEAVY RAINS COMMENCE IN OUR AREA EVERYONE DRIVING ON THE ROADS SHOULD BE PREPARED FOR THE FLOODING OF LOW WATER CROSSINGS. THIS GROUPS OF STORMS TO THE NORTHEAST OF VAL VERDE COUNTY HAVE BEEN PRODUCING AS MUCH AS 3 INCHES OF RAIN IN AN HOUR. YOUR NATIONAL WEATHER SERVICE WILL ISSUE ADDITIONALS STATEMENTS...SO STAY TUNED TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO.
Special weather statement, Jun 2, 9:25 PM CDT, 51 minutes before
BULLETIN
RAINFALL REPORTS IN BEXAR AND SURROUNDING COUNTIES...
NATIONAL WEATHER SERVICE SAN ANTONIO TX
930 PM CDT TUE JUN 2 1987
REPORTS BY THE BEXAR COUNTY HAM RADIO NETWORK FOR RAINFALL FROM 7PM
JUNE 1 1987 THROUGH 7PM JUNE 2 1987
OUTSIDE BEXAR COUNTY...
BOERNE 7E .80 INCHES
DEVINE .40
HONDO 10N .30
MEDINA LAKE .20
PIPE CREEK .44
SAN MARCOS .40
INSIDE BEXAR COUNTY....
NORTH SIDE NORTHWEST SIDE
.
AIRPORT 4N 2.10 CASTLE HILLS 1.40
ALAMO STADIUM 3.40 CHARTER OAKS .72
BLANCO..410 1.45 GLENOAKS PARK .82
BULVERDE 1.50 ROLLING RIDGE .84
DELLVIEW 1.55 THUNDERBIRD HILLS 1.04
EDISON HS 2.84 UNIVERSITY PK 2.20
CENTRAL PK MALL 2.50 VNCE JKSN..410 1.30
FDRKSBG RD..HLCRST 1.00 WOODLAWN HTS 2.00
HELOTES 7NW 1.35
I 10..FRESNO 2.24
ENCINO PK 2.10
CENTRAL AREA... WEST SIDE...
NR FT SAM 3.62 COOLCREST .90
TRINITY U 3.25 HWY 90W..410 1.20
TRINITY U #2 2.75 LACKLAND 1.15
SOUTHWEST SIDE... SOUTHEAST SIDE...
CHINA GROVE 2.24
1604..281S .80 FT SAM 1N 4.00
HERITAGE PK 1.77 HIGHLAND HILLS 2.50
PECAN VALLEY 2.00
.
NORTHEAST SIDE....
CAMELOT 2 3.40 OCONNER..NACOGDOCHES 2.50
FT SAM 3.90 ALAMO HTS 2.10
I 35..VANDIVER 3.53 281N..1604 2.30
JUDSON..STAHL RD 2.05 RIGSBY..WW WHITE 3.70
NORTHWOOD ESTATES 2.60
WINDCREST 3.50
WURZBACH..I 35 4.00
REPORTS BY THE GUADALUPE COUNTY HAM RADIO NET FOR THE PERIOD OF 8AM
JUN 1 1987 THROUGH 8 AM JUN2 1987..
SEGUIN 5S 5.50 INCHES CANADA VERDE 3.15
NIXON 3.30 STOCKDALE 2.30
FLATONIA 2.10 GONZALES 4.75
BEBE 2.70
OLMUS 2N 3.56The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 7:16 PM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jun 2, 7:17 PM CDT | Flash Flood Warning | EWX | Fayette | 3 hr |
| Jun 2, 9:20 PM CDT | Flash Flood Warning | EWX | Guadalupe | 3 hr |
| Jun 2, 10:16 PM CDT | Flash Flood Warning | EWX | Gonzales, Wilson | 2 hr |
| Jun 3, 3:04 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 116 min |
| Jun 3, 4:00 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| Jun 3, 4:20 AM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
| Jun 3, 4:57 AM CDT | Flash Flood Warning | EWX | Kerr, Real | 2 hr |
| Jun 3, 5:22 AM CDT | Flash Flood Warning | EWX | Uvalde | 2 hr |
| Jun 3, 7:56 AM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Jun 3, 8:00 AM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
| Jun 3, 9:56 AM CDT | Flash Flood Warning | EWX | Webb | 2 hr |
| Jun 3, 10:44 AM CDT | Flash Flood Warning | EWX | Bandera, Kendall | 4 hr |
| Jun 3, 10:44 AM CDT | Flash Flood Warning | EWX | Medina | 4 hr |
| Jun 3, 12:54 PM CDT | Flash Flood Warning | EWX | Kerr | 3 hr |
| Jun 3, 2:09 PM CDT | Flash Flood Warning | EWX | Gonzales | 111 min |
| Jun 3, 2:24 PM CDT | Tornado Warning | EWX | Lavaca | 56 min |
Nearby
Flash Flood Warnings in Texas, 1987Every flash flood warning in 1987
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.