Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 66, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 10, 1987, 6:41 PM CDT for Kendall County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 10, 1987, 6:41 PM CDT (23:41 UTC)
- Expired
- Jun 10, 1987, 9:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kendall 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, 11.7 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
- 721 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 32 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 102341
FFWSAT
TXC259-110245-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
641 PM CDT WED JUN 10 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...KENDALL
VERY HEAVY SHOWERS ARE MOVING INTO KENDALL COUNTY FROM BEXAR COUNTY
AT 15 MPH. THESE RAINS ARE FALLING AT A RATE OF ABOUT 2 TO 3 INCHES
PER HOUR. THE GROUNDS ARE ALREADY SOAKED AND ANY RAINFALL WILL RUN
OFF INTO STREETS AND LOW LYING PLACES.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED.
REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.
ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER
REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFI'CE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER 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, Jun 10, 12:47 PM CDT, 5 hours 54 minutes before
BULLETIN SMALL STREAM AND URBAN FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1145 PM CDT WED JUN 10 1987 SHOWERS AND THUNDERSHOWERS...SOME CONTAINING MODERATE TO BRIEFLY HEAVY RAIN...CONTINUE TO MOVE ACROSS SAN ANTONIO AND BEXAR COUNTY. FLOODING OF ROADS...STREETS...UNDERPASSES...DRAINAGE DITCHES AND LOW-WATER CROSSINGS CAN BE EXPECTED MUCH OF THIS AFTERNOON IN AND AROUND SAN ANTONIO AND BEXAR COUNTY. LEON...SALADO...CIBOLO AND OLMOS CREEKS WILL LIKELY EXPERIENCE HIGH WATER AND FLOODING FROM THIS RAIN. MOTORISTS SHOULD NOT ATTEMPT...UNDER ANY CIRCUMSTANCES...TO CROSS FLOODED ROADS...STREETS OR LOW-WATER CROSSINGS. DUE TO THE GROUND BEING SUPER-SATURATED FROM PAST WEEKS HEAVY DOWNPOURS...THE GROUND WILL NOT HOLD ANY MORE WATER. THIS ADDITIONAL RAIN WILL NOT SOAK IN BUT RUN OFF INTO ALREADY SWOLLEN OR FLOODED CREEKS...RIVERS AND LOW-WATER CROSSINGS...AND ONLY AMPLIFY THE ALREAD-HAZARDOUS POTENTIAL FOR MORE FLOODING. A FLASH FLOOD AND FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON FOR THE HILL COUNTRY...SOUTH CENTRAL AND SOUTHEAST TEXAS...INCLUDING THE SAN ANTONIO METROPOLITAN AREA...BEXAR AND SURROUNDING COUNTIES. PLEASE LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS HEAVY RAIN AND FLOOD SITUATION.
Special weather statement, Jun 10, 1:43 PM CDT, 4 hours 58 minutes before
BULLETIN SMALL STREAM FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 145 PM CDT WED JUN 10 1987 FLOODING OF CREEKS AND LOW-WATER CROSSINGS...AS WELL AS ROADS CLOSE TO CREEKS AND LOW-WATER CROSSINGS...CAN BE EXPECTED MUCH OF THIS AFTERNOON ACROSS THE HILL COUNTRY AND ADJACENT SOUTH CENTRAL TEXAS. SHOWERS AND THUNDERSHOWERS...CONTAINING MOSTLY LIGHT TO MODERATE RAINS WITH SOME ISOLATED HEAVY AMOUNTS...CONTINUE TO MOVE NORTH ACROSS THE ALREADY SOAKED GROUND OF SOUTH TEXAS. RUNOFF FROM THESE RAINS WILL CAUSE CREEKS AND LOW-WATER CROSSINGS TO EXPERIENCE SWIFTLY FLOWING FLOOD WATERS. PERSONS LIVING NEAR FLOOD-PRONE CREEKS SHOULD MOVE TO HIGH GROUND IF HEAVY RAIN OR FLEOODING OCCURS. MOTORISTS SHOULD NOT ATTEMPT TO CROSS LOW-WATER CROSSINGS THAT ARE UNDER WATER. < ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED THIS AFTERNOON AND TONIGHT AS CONDITIONS WARRANT.
Special weather statement, Jun 10, 2:01 PM CDT, 4 hours 40 minutes before
BULLETIN SMALL STREAM AND URBAN FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 200 PM CDT WED JUN 10 1987 SHOWERS AND THUNDERSHOWERS...SOME CONTAINING MODERATE TO BRIEFLY HEAVY RAIN...CONTINUE TO MOVE ACROSS SAN ANTONIO AND BEXAR COUNTY. GUSTY WINDS AND LIGHTNING MAY ALSO ACCOMPANY THIS ACTIVITY. FLOODING OF ROADS...STREETS...UNDERPASSES...DRAINAGE DITCHES AND LOW-WATER CROSSINGS CAN BE EXPECTED MUCH OF THIS AFTERNOON IN AND AROUND SAN ANTONIO AND BEXAR COUNTY. LEON...SALADO...CIBOLO AND OLMOS CREEKS WILL LIKELY EXPERIENCE HIGH WATER AND FLOODING FROM THIS RAIN. MOTORISTS SHOULD NOT ATTEMPT...UNDER ANY CIRCUMSTANCES...TO CROSS FLOODED ROADS...STREETS OR LOW-WATER CROSSINGS. DUE TO THE GROUND BEING SUPER-SATURATED FROM PAST WEEKS HEAVY DOWNPOURS...THE GROUND WILL NOT HOLD ANY MORE WATER. THIS ADDITIONAL RAIN WILL NOT SOAK IN BUT RUN OFF INTO ALREADY SWOLLEN OR FLOODED CREEKS...RIVERS AND LOW-WATER CROSSINGS...AND ONLY AMPLIFY THE ALREADY HAZARDOUS POTENTIAL FOR MORE FLOODING. A FLASH FLOOD AND FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON FOR THE HILL COUNTRY...SOUTH CENTRAL AND SOUTHEAST TEXAS...INCLUDING THE SAN ANTONIO METROPOLITAN AREA...BEXAR AND SUaRROUNDING COUNTIES. PLEASE STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO STATIONS FOR LATER UPDATES ON THIS HEAVY RAIN AND FLOOD SITUATION.
Special weather statement, Jun 10, 5:14 PM CDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 513 PM CDT WED JUN 10 1987 AT 510 PM CDT NO PRECIPITATION WAS OCCURRING IN VAL VERDE COUNTY. WATER FROM THE HEAVY RAINS THAT OCCURRED EARLIER TODAY IN SUTTON COUNTY...2 1/2 INCHES WAS REPORTED EAST OF OZONA...HAS FINALLY MADE ITS WAY INTO NORTHERN VAL VERDE COUNTY. HIGHWAY 189 IN THE NORTHERN PART OF THE COUNTY FROM THE JUNCTION OF HIGHWAY 163 NEAR JUNO TO THE NORTHERN VAL VERDE COUNTYA LINE IS CLOSED. THE HIGHWAY DEPARTMENT REPORTED NEARLY 8 INCHES OF WATER WAS OVER THE ROAD ON SOME OF THE LOW WATER CROSSINGS. MOTORISTS TRAVELING IN NORTHERN VAL VERDE COUNTY ALONG HIGHWAY 189 SHOULD NOT ATTEMPT TO CROSS LOW WATER CROSSINGS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 2:15 PM CDT | Flash Flood Warning | EWX | Bexar, Comal | 4 hr |
| Jun 10, 2:30 PM CDT | Flash Flood Warning | EWX | Uvalde | 4 hr |
| Jun 10, 6:15 PM CDT | Flash Flood Warning | EWX | Bexar | 60 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.