Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 44, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 1, 1990, 7:52 AM CDT for Dimmit County, Zavala County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1990, 7:52 AM CDT (12:52 UTC)
- Expired
- Aug 1, 1990, 12:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Dimmit County, TX, Zavala 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 12:00Z, 0.9 hours before the alert went out and 133 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
- 82 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 011256
FFWSAT
TXC127-507-011700-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
752 AM CDT WED AUG 1 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL NOON CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...WESTERN DIMMIT...WESTERN ZAVALA
RAINFALL OF UP TO THREE AND A HALF INCHES HAS FALLEN OVER WESTERN
ZAVALA AND WESTERN DIMMIT DURING THE NIGHT AND HONDO RADAR REPORTED
THAT RAIN CONTINUES TO FALL OVER THIS AREA AND MORE RAIN CAN BE
EXPECTED FOR THE NEXT SEVEERAL HOURS. FARM TO MARKET ROAD 191 TO THE
SOUTH OF CRYSTAL CITY HAS WATER OVER IT.
IT IS LIKELY THAT LOW WATER CROSSINGS AND LOW LYING AREAS ESPECIALLY
NEAR CREEKS AND STREAMS ARE BEGINNING TO FLOOD. MOTORISTS ARE URGED
TO EXERCISE CAUTION WHEN APPROACHING FLOODED AREAS.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.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, Aug 1, 3:31 AM CDT, 4 hours 21 minutes before
TXZ054-011030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 330 AM CDT WED AUG 1 1990 ...A FLOOD WARNING IS IN EFFECT FOR THE DEVILS RIVER... AT 200 AM CDT THE DEVILS RIVER GAGE AT CAUTHORN RANCH...ONE MILE SOUTH OF MAYFIELD STORE...ROSE FROM 1.02 FEET TO 5.62 FEET. AT 325 AM CDT RADAR INDICATED THUNDERSTORMS FROM 10 MILES SOUTHWEST OF DEL RIO. RAINSHOWERS WERE INDICATED THROUGHOUT VAL VERDE COUNTY. MOVEMENT WAS SLOWLY TO THE NORTH. HIGHWAYS 163 AND 189 AND FARM ROAD 1024 ARE CLOSED. CAMPERS AND CANOISTS ALONG THE DEVILS RIVER SHOULD KEEP A LOOKOUT AND BE PREPARED TO MOVE TO HIGHER GROUND. MOTORISTS SHOULD USE CAUTION. DO NOT DRIVE PAST SAFETY BARRIERS INTO FLOOD WATERS. DO NOT ATTEMPT TO CROSS FLOODED LOW WATER CROSSINGS.
Special weather statement, Aug 1, 6:27 AM CDT, 1 hour 25 minutes before
TXZ054-011325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 625 AM CDT WED AUG 1 1990 ...A FLOOD WARNING REMAINS IN EFFECT FOR THE DEVILS RIVER... AT 615 AM CDT THE MAIN STEM OF THE DEVILS RIVER AT BURNT CROSSING ON HIGHWAY 163...ONE MILE SOUTH OF MAYFIELD STORE...CONTINUES TO BE AROUND 5 TO 6 FEET ABOVE THE LOW WATER CROSSING. AT BAKERS CROSSING THE DEVILS RIVER WAS REPORTED AT 6.5 FEET WHICH IS 1 FOOT BELOW THE LEVEL OF THE BRIDGE. THIS WATER WILL CONTINUE DOWNSTREAM AND FLOOD ALL LOW WATER CROSSINGS BETWEEN JUNO AND BAKERS CROSSING. MOST OF THIS WATER WAS RUNOFF FROM HEAVY RAINS IN CROCKETT AND SUTTON COUNTIES TO THE NORTH. HIGHWAYS 163 OUT OF COMSTOCK AND 189 OUT OF JUNO WERE STILL CLOSED. FM ROAD 1024 NORTHWEST OUT OF COMSTOCK WAS ALSO CLOSED. AT 610 AM CDT RADAR INDICATED ONLY A FEW SCATTERED SHOWERS IN VAL VERDE COUNTY. A LARGER AREA OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM 10 MILES SOUTHWEST TO 70 MILES SOUTHEAST OF DEL RIO. LITTLE MOVEMENT WAS NOTED. CAMPERS AND CANOISTS ALONG THE DEVILS RIVER SHOULD MOVE TO HIGHER GROUND. MOTORISTS SHOULD USE CAUTION. DO NOT DRIVE PAST SAFETY BARRIERS INTO FLOOD WATERS. DO NOT ATTEMPT TO CROSS FLOODED LOW 4WATER CROSSINGS.
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.