Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 25, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 16, 1990, 9:09 AM CDT for Atascosa County, Bexar County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1990, 9:09 AM CDT (14:09 UTC)
- Expired
- Jul 16, 1990, 12:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Atascosa County, TX, Bexar 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, 2.2 hours before the alert went out and 198 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 161413
FFWSAT
TXC013-029-161715-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
909 AM CDT MON JUL 16 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...ATASCOSA...BEXAR
DURING THE PAST HOUR RADAR HAS SHOWN THAT MOST OF THE HEAVY RAINS
HAVE DECREASED IN INTENSITY. HOWEVER RUN OFF FROM VERY HEAVY RAINS
DURING THE NIGHT AND MORNING CONTINUES AS MANY CREEKS..STREETS..
LOW WATER CROSSING AND LOW AREAS REMAIN FLOODED THROUGHOUT THE
TWO COUNTY AREA. THE FLOODING WILL CONTINUE FOR THE NEXT 3 HOURS.
THERE IS A POSSIBLILITY MORE HEAVY RAINS WILL DEVELOPE OVER THE AREA
LATER THIS MORNING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED.
REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORIST DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS. PARENTS ARE REMINDED
NOT TO LET YOUR CHILDREN RIDE ON FLOTATIONS DEVICES IN FLOODED 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, Jul 16, 3:15 AM CDT, 5 hours 54 minutes before
TXZ034>037-160900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 3 AM CDT MON JUL 16 1990 ...FLASH FLOOD WATCH ISSUED EALIER FOR SOUTH CENTRAL TEXAS WHICH INCLUDED THE COUNTIES OF TRAVIS-BLANCO-HAYS-LEE-CALDWELL-BURLESON- FAYETTE AND BASTROP IS NO LONGER IN EFFECT. A FLOOD AND FLASH FLOOD WATCH DOES CONTINUE SOUTH OF A LINE FROM DEL RIO TO SAN ANTONIO TO VICTORIA. 3 AM CDT AUSTIN RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAINS FROM EAST OF SAN ANTONIO WESTWARD TO LAKE MEDINA AND FROM NEAR FLORESVILLE TO NEAR VICTORIA. MOVEMENT WAS NORTH AT NEAR 5 MPH. A LARGE AREA OF MOSTLY LIGHT RAIN CONTINOUS SOUTH OF A LINE FROM NEAR JUNCTION TO SOUTH OF WACO TO EAST OF COLLEGE STATION MOVING SOUTHEAST AT 15 MPH. THIS AREA EXTENDS AS FAR SOUTH CORPUS CHRISTI. NO REPORTS OF HEAVY RAINFALL HAVE BEEN REPORTED TO THE AUSTIN WEATHER SERVICE SINCE MIDNIGHT.
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, 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 |
| Jul 16, 4:17 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Wilson | 3 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.