Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 36, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 3, 1987, 4:20 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, 4:20 AM CDT (09:20 UTC)
- Expired
- Jun 3, 1987, 8:00 AM 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 00:00Z, 9.3 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
- 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 KDRT 030918 FFWDRT TXC465-031300- BULLETIN - EBS ACTIVITATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DEL RIO TX 420 AM CDT WED JUN 3 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 415 AM CDT RADAR INDICATED INTENSE THUNDERSTORMS 40 MILES NORTH OF DEL RIO MOVING TO THE SOUTHWEST AT 15 MPH. GLASSCOCK RANCH REPORTED LARGE HAIL AND HEAVY RAIN WITH THESE STORMS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. 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. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR VAL VERDE COUNTY UNTIL 500 AM CDT. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR VAL VERDE COUNTY THIS MORNING.
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 2, 10:27 PM CDT, 5 hours 53 minutes before
BULLETIN
RAINFALL REPORTS IN BEXAR AND SURROUNDING COUNTIES...CORRECTION
NATIONAL WEATHER SERVICE SAN ANTONIO TX
930 PM CDT TUE JUN 2 1987
REPORTS BY THE BEXAR COUNTY HAM RADIO NETWORK FOR RAINFALL FROM 7PM
JUNE 1 1987 THROUGH 7PM JUNE 2 1987
OUTSIDE BEXAR COUNTY...
BOERNE 7E .80 INCHES
DEVINE .40
HONDO 10N .30
MEDINA LAKE .20
PIPE CREEK .44
SAN MARCOS .40
INSIDE BEXAR COUNTY....
NORTH SIDE NORTHWEST SIDE
.
AIRPORT 4N 2.10 CASTLE HILLS 1.40
ALAMO STADIUM 3.40 CHARTER OAKS .72
BLANCO..410 1.45 GLENOAKS PARK .82
BULVERDE 1.50 ROLLING RIDGE .84
DELLVIEW 1.55 THUNDERBIRD HILLS 1.04
EDISON HS 2.84 UNIVERSITY PK 2.20
CENTRAL PK MALL 2.50 VNCE JKSN..410 1.30
FDRKSBG RD..HLCRST 1.00 WOODLAWN HTS 2.00
HELOTES 7NW 1.35
I 10..FRESNO 2.24
ENCINO PK 2.10
CENTRAL AREA... WEST SIDE...
NR FT SAM 3.62 COOLCREST .90
TRINITY U 3.25 HWY 90W..410 1.20
TRINITY U #2 2.75 LACKLAND 1.15
SOUTHWEST SIDE... SOUTHEAST SIDE...
CHINA GROVE 2.24
1604..281S .80 FT SAM 1N 4.00
HERITAGE PK 1.77 HIGHLAND HILLS 2.50
PECAN VALLEY 2.00
.
NORTHEAST SIDE....
CAMELOT 2 3.40 OCONNER..NACOGDOCHES 2.50
FT SAM 3.90 ALAMO HTS 2.10
I 35..VANDIVER 3.53 281N..1604 2.30
JUDSON..STAHL RD 2.05 RIGSBY..WW WHITE 3.70
NORTHWOOD ESTATES 2.60
WINDCREST 3.50
WURZBACH..I 35 4.00
REPORTS BY THE GUADALUPE COUNTY HAM RADIO NET FOR THE PERIOD OF 8 AM
THROUGH 8 PM JUN 2 19R87..
SEGUIN 5S 5.50 INCHES CANADA VERDE 3.15
NIXON 3.30 STOCKDALE 2.30
FLATONIA 2.10 GONZALES 4.75
BEBE 2.70
OLMUS 2N 3.56The 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, 4:57 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, 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.