Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 37, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 3, 1987, 4:57 AM CDT for Kerr County, Real County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 3, 1987, 4:57 AM CDT (09:57 UTC)
- Expired
- Jun 3, 1987, 7:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Kerr County, TX, 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 137 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
- 3393 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 030957
FFWSAT
TXC265-385-031200-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
457 AM CDT WED JUN 3 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 700 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...KERR...REAL
AT 455 AM CDT RADAR INDICATED SHOWERS AND THUNDERSTORMS OVER REAL AND
KERR COUNTY. HEAVY RAIN HAS BEEN REPORTED AND WILL CONTINUE FOR
ABOUT THE NEXT 2 HOURS IN REAL AND KERR COUNTIES.
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.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.The 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 2, 10:16 PM CDT | Flash Flood Warning | EWX | Bexar | 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, 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.