Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 21, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 15, 1990, 9:20 PM CDT for Atascosa County, Bexar County, Texas. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1990, 9:20 PM CDT (02:20 UTC)
- Expired
- Jul 15, 1990, 11:15 PM CDT
- In force
- 115 min
- 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 00:00Z, 2.3 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
- 1774 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 15.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 160222
FFWSAT
TXC013-029-160415-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
920 PM CDT SUN JUL 15 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...ATASCOSA...BEXAR
HEAVY RAINS ARE CONTINUING TO FALL ACROSS MUCH OF BEXAR COUNTY AND
PORTIONS OF ATASCOSA COUNTY. SEVERAL REPORTS OF FLOODED ROADS AND SOME
ROAD CLOSURES HAVE BEEN RECEIVED. ADDITIONAL RAINFALL OF AN INCH OR SO
IS POSSIBLE.
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.
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 |
|---|---|---|---|---|
| Jul 15, 8:15 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 45 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 |
| 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.