Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 17, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 29, 1987, 7:27 AM CDT for Bandera County, Medina County, Uvalde County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 29, 1987, 7:27 AM CDT (12:27 UTC)
- Expired
- May 29, 1987, 11:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bandera County, TX, Medina County, TX, Uvalde 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
Del Rio, TX (KDRT), launched 12:00Z, 0.5 hours before the alert went out and 143 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
- 248 J/kg
- Mixed-layer CIN
- -411 J/kg
- Mixed-layer LCL
- 996 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 175 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 291227
FFWSAT
TXC019-325-463-291630-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
727 AM CDT FRI MAY 29 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1130 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...BANDERA...MEDINA...UVALDE
THUNDERSTORMS PRODUCING HEAVY RAIN CONTINUE TO TRACK ACROSS
UVALDE...BANDERA AND MEDINA COUNTIES. TOTALS IN EXCESS OF 7 INCHES
HAVE BEEN REPORTED IN THESE COUNTIES THIS MORNING...WITH ADDITIONAL
AMOUNTS NEAR 5 INCHES OR MORE POSSIBLE FROM THE NEXT SERIES OF
THUNDERSTORMS. SINCE THE GROUND IS ALREADY SATURATED...THIS RAIN
WILL NOT SOAK IN BUT RUN OFF RAPIDLY INTO ALREADY SWOLLEN OR FLOODED
CREEKS AND RIVERS AND GREATLY INCREASE THE THREAT OF FLASH FLOODING.
FLOOD WARNINGS ARE IN EFFECT TODAY FOR THE FRIO...SABINAL AND MEDINA
RIVERS.
A FLASH FLOOD WATCH CONTINUES IN EFFECT THIS MORNING FOR THE TEXAS
HILL COUNTRY...EDWARDS PLATEAU AND SOUTH CENTRAL TEXAS.
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.
DANGEROUS LIGHTNING AND GUSTY WINDS OFTEN ACCOMPANY FLASH FLOOD
PRODUCING THUNDERSTORMS.
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, May 29, 2:38 AM CDT, 4 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 138 AM CDT FRI MAY 29 1987 ...A SEVERE THUNDERSTORM WATCH COVERS ALL OF VAL VERDE COUNTY UNTIL 7 AM CDT... AT 125 AM CDT RADAR INDICATED A VERY STRONG THUNDERSTORM ABOUT 10 MILES WEST OF DEL RIO IN MEXICO MOVING EAST AT AROUND 25 MPH. THUNDERSTORMS ARE NOW SCATTERED OVER ALL OF VAL VERDE COUNTY. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN A0ND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 29, 2:58 AM CDT, 4 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 300 AM CDT FRI MAY 19 1987 ...VERY INTENSE THUNDERSTORMS AND HEAVY RAINS REMAIN ON THE WEST AND NORTH SIDE OF AUSTIN.... LOCAL RADAR SHOWS VERY STRONG THUNDERSTORMS JUST WEST OF THE CITY...NEAR LAKE TRAVIS AND ALSO IN THE ROUND ROCK/GEORGETOWN AREAS. RAINFALL RATES WERE ESTIMATED AT JUST OVER TWO INCHES PER HOUR IN SEVERAL SMALL SPOTS WITHIN THOSE STORMS. AN UNCONFIRMED REPORT OF OVER THREE INCHES HAS FALLEN OUT AT LAKEWAY. THE THREAT OF FLASH FLOODING MAY BECOME MUCH MORE IMPORTANT DURING THE EARLY MORNING HOURS...EVEN THOUGH THESE STORMS HAVE A HIGH POTENTIAL FOR LARGE HAIL AND HIGH WINDS. CONTINUE THE SEVERE THUNDERSTORM WATCH FOR A LARGE PORTION OF CENTRAL AND SOUTH CENTRAL TEXAS...INCLUDING TRAVIS AND ALL SURROUNDING COUNTIES...UNTIL 7 AM.
Special weather statement, May 29, 4:47 AM CDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 445 AM CDT FRI MAY 29 1987 THUNDERSTORMS ARE MOVING ACROSS COMAL COUNTY. THESE STORMS LIKELY CONTAIN FREQUENT LIGHTNING...POSSIBLE SMALL HAIL...GUSTY WINDS AND LOCALLY HEAVY RAIN. AS THESE STORMS MOVE ACROSS CANYON LAKE...BOATERS AND MARINAS MAY BE AFFECTED BY THE WEATHER...SAFETY MEASURES SHOULD BE TAKEN TO SAFEGUARD LIFE AND PROPERTY. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED DURING THE MORNING AS WEATHER CONDITIONS DICTATE...SO PLEASE STAY TUNED.
Local storm report, May 29, 4:50 AM CDT, 2 hours 37 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE AUSTIN TX 450 AM CDT FRI MAY 29 1987 SHOAL CREEK NOW FLOODING HOMES IN THE 6200 BLOCK. SHOAL CREEK AT THE BRIDGE BOTTOM AND NOW FLOODING ANDERSON LANE. RAINFA#LL TOTALS APPROACHING SIX INCHES IN MANY SPOTS AROUND TRAVIS AND WILLIAMSON COUNTIES. AUS/JVD.
Local storm report, May 29, 5:26 AM CDT, 2 hours 1 minute before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
525 AM CDT FRI MAY 29 1987
TIME EVENT
113 AM PEA SIZE HAIL AT BRACKETTVILLE AND SPOFFORD AND MARBLE
SIZE HAIL HALFWAY BETWEEN DEL RIO AND BRACKETVILLE...
KINNEY COUNTY
232 AM NUMEROUS LIGHTNING STRIKES IN KERRVILLE...KERR COUNTY
312 AM PEA SIZE HAIL AND LOCAL STREET FLOODING IN BANDERA...
BANDERA COUNTY
512 AM O SOME CAMP SITES WIPED OUT BY FRIO RIVER...GARNER STATE
PARK...UVALDE COUNTYSpecial weather statement, May 29, 6:57 AM CDT, 30 minutes before
BULLETIN URBAN FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 650 AM CDT FRI MAY 29 1987 THUNDERSTORMS...WITH FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN... HAVE MOVED INTO SAN ANTONIO AND BEXAR COUNTY. FLOODING OF STREETS... HIGHWAYS AND UNDERPASSES...ALONG WITH CREEKS AND LOW-WATER CROSSINGS... CAN BE EXPECTED FOR SEVERAL HOURS THIS FRIDAY MORNING. RUSH-HOUR TRAFFIC WILL BE SEVERELY AFFECTED AS STREETS AND HIGHWAYS BECOME WET AND SLICK AND VISIBILITIES REDUCED IN THE HEAVY RAIN AREAS. MOTORISTS SHOULD BE EXTREMELY CAREFUL AND REDUCE DRIVING SPEEDS ACCORDINGLY. FLOODED LOW-WATER CROSSINGS SHOULD NOT BE ATTEMPTED. A FLASH FLOOD WATCH IS IN EFFECT FOR THE HILL COUONTRY...EDWARDS PLATEAU AND ADJACENT SOUTH CENTRAL TEXAS THIS MORNING. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRANT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 7:05 PM CDT | Tornado Warning | EWX | Val Verde | 70 min |
| May 28, 8:20 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 70 min |
| May 28, 9:13 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 62 min |
| May 28, 9:55 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 65 min |
| May 28, 10:18 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 57 min |
| May 28, 11:14 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 61 min |
| May 29, 12:24 AM CDT | Severe Thunderstorm Warning | EWX | Real, Uvalde | 66 min |
| May 29, 12:24 AM CDT | Severe Thunderstorm Warning | EWX | Kinney | 66 min |
| May 29, 1:35 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 55 min |
| May 29, 2:32 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina | 58 min |
| May 29, 2:35 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 2 hr |
| May 29, 3:14 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 2 hr |
| May 29, 3:19 AM CDT | Flash Flood Warning | EWX | Bandera, Kendall, Kerr, Real | 4 hr |
| May 29, 3:19 AM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 4 hr |
| May 29, 3:30 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real, Uvalde | 60 min |
| May 29, 3:30 AM CDT | Severe Thunderstorm Warning | EWX | Kendall | 60 min |
| May 29, 3:30 AM CDT | Severe Thunderstorm Warning | EWX | Medina | 60 min |
| May 29, 4:39 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Hays | 4 hr |
| May 29, 4:39 AM CDT | Flash Flood Warning | EWX | Lee | 4 hr |
| May 29, 4:39 AM CDT | Flash Flood Warning | EWX | Blanco | 4 hr |
| May 29, 4:55 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 65 min |
| May 29, 4:58 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 62 min |
| May 29, 11:58 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 3 hr |
| May 29, 1:32 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 58 min |
| May 29, 2:23 PM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 3 hr |
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.