Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 40, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 3, 1987, 8:00 AM CDT for Val Verde County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 3, 1987, 8:00 AM CDT (13:00 UTC)
- Expired
- Jun 3, 1987, 12:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde 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, 1.0 hours before the alert went out and 66 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -198 m²/s²
- 0-3 km storm-relative helicity
- -45 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 KDRT 031256 FFWDRT TXC465-031700- BULLETIN - EBS ACTIVITATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DEL RIO TX 800 AM CDT WED JUN 3 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1200 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 750 AM CDT RADAR INDICATED HEAVY RAIN CONTINUING OVER THE THE EASTERN HALF OF VAL VERDE COUNTY. RAINFALL REPORTS OF OVER TWO INCHS HAVE BEEN REPORTED FROM SEVERAL LOCATIONS IN THE NORTHEAST PART OF THE COUNTY. HEAVY RAINFALL IS EXPECTED TO CONTINUE FOR THE NEXT SEVERAL HOURS...AND SINCE THE GROUND WAS ALREADY SATURATED FROM PREVIOUS RAINS MAJOR RUNOFF IS EXPECTED. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOTORTISTS TRAVELING IN VAL VERDE COUNTY SHOULD EXERCISE EXTREME CAUTION. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES..DIPS..OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM..EVEN A SMALL ONE..ON FOOT. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR VAL VERDE COUNTY TODAY.
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, 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, 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.