Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 28, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 16, 1990, 12:12 PM CDT for Atascosa County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1990, 12:12 PM CDT (17:12 UTC)
- Expired
- Jul 16, 1990, 4:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Atascosa 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, 5.2 hours before the alert went out and 174 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 161731 COR
FFWSAT
TXC013-162115-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1212 PM CDT MON JUL 16 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 415 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...ATASCOSA
FLOODING CONTINUES IN ATASCOSA COUNTY ALONG STREAMS..CREEKS...FLOOD
PLAINS AND LOW AREAS WITH POOR DRAINAGE.
RADAR INDICATES THAT VERY HEAVY RAINS HAVE PERSISTED IN ATASCOSA
COUNTY. LOCAL LAW ENFORCEMENT PERSONEL REPORT THAT MANY ROADS ARE
CLOSED IN THE COUNTY DUE TO FLOODED LOW WATER CROSSINGS. HOWEVER AT
THIS TIME THE MAIN THOROUGHFARES..IH37 AND HWY 16..REMAIN OPEN. MANY
CARS ARE REPORTED STALLED ON FLOODED HIGHWAYS AND STREETS.
CURRENT INDICATIONS ARE THAT HEAVY RAIN WILL CONTINUE FOR THE NEXT
HOUR OF TWO.
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. PARENTS DO NOT
LET YOUR CHILDREN SWIM ON FLOTATION DEVICES; IN FLOOD WATERS.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, 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.