Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 29, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 16, 1990, 4:17 PM CDT for Atascosa County, Bexar County, Wilson County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1990, 4:17 PM CDT (21:17 UTC)
- Expired
- Jul 16, 1990, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Atascosa County, TX, Bexar County, TX, Wilson 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
Corpus Christi, TX (KCRP), launched 12:00Z, 9.3 hours before the alert went out and 190 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
- 2457 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 162118
FFWSAT
TXC013-029-493-170015-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
417 PM CDT MON JUL 16 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...ATASCOSA...BEXAR...WILSON
RADAR INDICATES THAT SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN
CONTINUED TO SPREAD ACROSS ATASCOSA COUNTY...WESTERN WILSON COUNTY AND
EASTERN BEXAR COUNTY. LOW-WATER CROSSINGS AND LOW-LYING AREAS ARE
EITHER FLOODED OR ARE BEGINNING TO FLOOD.
BANDS OF HEAVY RAINS ARE EXPECTED TO CONTINUE TO MOVE ACROSS
ATASCOSA...WILSON AND BEXAR COUNTIES DURING THE NEXT TWO OR THREE
HOURS. OTHER SHOWERS AND THUNDERSTORMS CONTINUE OVER MOST AREAS OF
SOUTH CENTRAL TEXAS. A FLASH FLOOD WATCH CONTINUES OVER SOUTH CENTRAL
TEXAS...THE TEXAS HILL COUNTRY AND THE RIO GRANDE PLAINS SOUTHWEST OF
SAN ANTONIO.
PEOPLE THROUGHOUT THE WATCH AREA ARE URGED TO BE PREPARED TO PROTECT
LIFE AND PROPERTY SHOULD HEAVY RAINS THREATEN OR A WARNING IS ISSUED.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED.
REMEMBER...DEAT3HS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 8:15 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 45 min |
| Jul 15, 9:20 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar | 115 min |
| Jul 15, 9:35 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 55 min |
| Jul 15, 10:30 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 60 min |
| Jul 15, 11:59 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 61 min |
| Jul 16, 2:03 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Medina, Uvalde | 3 hr |
| Jul 16, 4:50 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Medina | 4 hr |
| Jul 16, 8:42 AM CDT | Flash Flood Warning | EWX | Dimmit | 3 hr |
| Jul 16, 9:09 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar | 3 hr |
| Jul 16, 11:30 AM CDT | Flash Flood Warning | EWX | Zavala | 3 hr |
| Jul 16, 11:44 AM CDT | Flash Flood Warning | EWX | Dimmit | 3 hr |
| Jul 16, 12:12 PM CDT | Flash Flood Warning | EWX | Atascosa | 4 hr |
Nearby
Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990
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.