Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 94, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 15, 1987, 5:01 AM CDT for Real County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 15, 1987, 5:01 AM CDT (10:01 UTC)
- Expired
- Sep 15, 1987, 9:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Real 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 00:00Z, 10.0 hours before the alert went out and 111 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
- 3782 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1412 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 12.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 151001
FFWSAT
TXC385-151400-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
501 AM CDT TUE SEP 15 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 900 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...REAL
HEAVY RAIN HAS CONTINUED OVER MOST OF REAL COUNTY FOR THE PAST TWO
HOURS. REPORTS FROM THE H.E.B. RANCH IN NORTHERN REAL COUNTY
INDICATE RAIN TOTALS OF NEARLY 3 INCHES SINCE 4AM THIS MORNING.
RAINFALL IN AND AROUND THE CITY OF LEAKEY HAS BEEN NEAR 2 INCHES.
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.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, Sep 14, 11:45 PM CDT, 5 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1150 PM CDT MON SEP 14 1987 AT 1145 PM A LINE OFTHUNDERSTORMS EXTENDED FROM 10 MILES NORTH OF DEL RIO TO JUNO. OTHER THUNDERSTORMS WERE LOCATED FROM LANGTRY TO PANDALE. MOVEMENT OF THE THUNDERSTORMS WAS NORTHEAST AT 15 MILES AN HOUR. STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN CAN BE EXPECTED WITH THESE THUNDERSTORMS. BOATERS AND FISHERMEN ON THE RIO GRANDE...PECOS RIVERS AND LAKE AMISTAD SHOULD MONITOR THE WEATHER CLOSELY AND MOVE TO SAFE HARBOR BEFORE THE THUNDERSTORMS ARRIVE. STAY TUNED TO YOUR LOCAL RADIO...TV STATION OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Sep 14, 11:48 PM CDT, 5 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1150 PM CDT MON SEP 14 1987 AT 1145 PM A LINE OF THUNDERSTORMS EXTENDED FROM 10 MILES NORTH OF DEL RIO TO JUNO. OTHER THUNDERSTORMS WERE LOCATED FROM LANGTRY TO PANDALE. MOVEMENT OF THE THUNDERSTORMS WAS NORTHEAST AT 15 MILES AN HOUR. STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN CAN BE EXPECTED WITH THESE THUNDERSTORMS. BOATERS AND FISHERMEN ON THE RIO GRANDE...PECOS RIVERS AND LAKE AMISTAD SHOULD MONITOR THE WEATHER CLOSELY AND MOVE TO SAFE HARBOR BEFORE THE THUNDERSTORMS ARRIVE. STAY TUNED TO YOUR LOCAL RADIO...TV STATION OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Sep 15, 1:46 AM CDT, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 145 AM CDT TUE SEP 15 1987 AT 130 AM CDT HONDO RADAR INDICATED VERY HEAVY THUNDERSTORMS PRODUCING HEAVY RAINFALL EXTENDING FROM JUST SOUTH OF JUNCTION TO NORTHEAST OF DEL RIO. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 15 MILES AN HOUR. FREQUENT LIGHTNING...HEAVY RAINFALL AND GUSTY WINDS CAN BE EXPECTED WITH THESE THUNDERSTORMS. PERSONS IN THE VICINITY OF THESE STORMS SHOULD BE ALERT FOR FLOODED LOW WATER CROSSINGS AND LOW LYING AREAS. STAY TUNED TO YOUR LOCAL RADIO...TV STATION OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS WHICH WILL BE ISSUED AS NEEDED.
Special weather statement, Sep 15, 2:22 AM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 222 AM CDT TUE SEP 15 1987 SCATTERED THUNDERSTORMS CONTINUED AT 215 AM THIS MORNING OVER MUCH OF THE TEXAS HILL COUNTRY FROM JUNCTION TO LEAKEY TO BRACKETTVILLE TO DEL RIO AND OZONA. HEAVY RAIN WAS INDICATED IN THE ACTIVITY BETWEEN JUNCTION...LEAKEY AND BRACKETTVILLE. THE INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 15 MILES AN HOUR...WHILE THE GENERAL AREA OF STORMS WAS DRIFTING SLOWLY EASTWARD. THE HEAVIEST RAIN HAS OCCURRED SO FAR IN EASTERN EDWARDS AND NORTHERN REAL COUNTIES. RAINFALL REPORTS ARE NOT AVAILABLE FROM THIS AREA... HOWEVER...ESTIMATED TOTALS BASED ON RADAR REPORTS INDICATE ACCUMULATIONS OF UP TO 2 INCHES ARE POSSIBLE. THIS WOULD BE SUFFICIENT RAINFALL TO CAUSE SOME LOW WATER CROSSINGS TO FLOOD BRIEFLY. MOTORISTS TRAVELING IN EDWARDS AND REAL COUNTY SHOULD BE ALERT TO THIS POSSIBILITY OF FLOODED LOW AREAS AND BE READY TO U SE ALTERNATE ROUTES IF NECESSARY. THESE STORMS HAVE THE POTENTIAL TO PRODUCE VERY GUSTY WINDS AND SMALL HAIL ALONG WITH THE HEAVY RAIN. THIS MAY CAUSE ADDITIONAL PROBLEMS FOR TRAVELERS.
Special weather statement, Sep 15, 3:14 AM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 314 AM CDT TUE SEP 15 1987 SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...CONTINUED EARLY THIS MORNING IN AN AREA FROM JUNTION TO BRACKETTVILLE TO DEL RIO TO OZONA. THE HEAVIEST RAIN WAS FALLING OVER REAL COUNTY...FROM LEAKEY TO NEAR CAMP WOOD. THE THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT 15 MILES AN HOUR. MOTORISTS TRAVELING ACROSS EDWARDS AND REAL` COUNTIES ARE URGED TO KEEP ALERT TO THE POSSIBILITY OF BRIEF FLOODING OF LOW AREAS IN AND NEAR THE MORE INTENSE THUNDERSTORMS.
Special weather statement, Sep 15, 4:20 AM CDT, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 420 AM CDT TUE SEP 15 1987 AT 415 AM THIS MORNING...SCATTERED THUNDERSTORMS CONTINUED ACROSS THE TEXAS HILL COUNTRY AND EDWARDS PLATEAU FROM JUNCTION TO LEAKEY TO BRACKETTVILLE TO SONORA. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST NORTHEAST. THE HEAVIEST RAIN AT 415 AM THIS MORNING WAS FALLING OVER SOUTHERN REAL COUNTY...BETWEEN LEAKEY AND CAMP WOOD. IN ADDITION TO HEAVY RAIN... THESE STORMS ARE ALSO PRODUCING VERY FREQUENT AND VERY DANGEROUS LIGHTNING.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 6:00 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 35 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.