Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 38, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 20, 1990, 9:54 AM CDT for Maverick County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1990, 9:54 AM CDT (14:54 UTC)
- Expired
- Jul 20, 1990, 1:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Maverick 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, 2.9 hours before the alert went out and 86 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 201456
FFWSAT
TXC323-201800-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
954 AM CDT FRI JUL 20 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...MAVERICK
AT 945 AM HEAVY RAIN WAS FALLING IN THE EAGLE PASS AREA AND FLOODING
WAS REPORTED BY THE EAGLE PASS FIRE DEPARTMENT. SEVERAL ROADS IN THE
EAGLE PASS AREA HAVE BEEN CLOSED BY THE TEXAS HIGHWAY DEPARTMENT
INCLUDING LOOP 2030...LOOP 2366...FM 481. FM 1021 WAS ALSO REPORTED
TO BE FLOODED.
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 RADIOn 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, Jul 20, 4:14 AM CDT, 5 hours 40 minutes before
TXZ054-201115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 415 AM CDT FRI JUL 20 1990 AT 410 AM CDT RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN WERE FROM DEL RIO TO BRACKETTVILLE TO EAGLE PASS TO DEL RIO. MOVEMENT OF THE PRECIPITATION WAS TO THE NORTH AT 15 MPH. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD BE ON THE WATCH FOR APPROACHING WAETAHER AND BE PREPARED TO MOVE QUICKLY TO SHORE AND AWAY FROM THE WATER IF THUNDER IS HEARD...LIGHTNING IS SEEN OR WINDS BEGIN INCREASING.
Special weather statement, Jul 20, 6:26 AM CDT, 3 hours 28 minutes before
TXZ054-201325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 626 AM CDT FRI JUL 20 1990 AT 620 AM CDT RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN WERE FROM 10 MILES WEST OF DEL RIO TO ROCK SPRINGS TO JUST WEST OF UVALDE AND SOUTH TO EAGLE PASS. MOVEMENT OF THE PRECIPITATION WAS TO THE NORTH AT 10 MPH. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD BE AWARE THAT NOT ONLY STRONG GUSTY WINDS BUT ALSO LIGHTNING POSES A THREAT TO SAFETY. MOTORISTS IN AND AROUND DEL RIO AND SOUTHEASTERN VAL VERDE COUNTY SHOULD EXERCISE CAUTION AS WET AND SLIPPERY ROADS ALONG WITH REDUCED VISIBILITY IN THE SHOWERS COULD PRESENT A DRIVING HAZARD.
Special weather statement, Jul 20, 9:19 AM CDT, 35 minutes before
TXZ054-201620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 920 AM CDT FRI JUL 20 1990 AT 915 AM CDT RADAR INDICATED A LARGE AREA OF SHOWERS AND ISOLATED THUNDERSTORMS...SOME WITH HEAVY RAIN WERE FROM NEAR DEL RIO TO LOMA ALTA TO BRACKETTVILLE TO EAGLE PASS TO 75 MILES SOUTH OF DEL RIO IN MEXICO. MOVEMENT OF THE PRECIPITATION WAS TO THE NORTH AT 10 MPH. .DURING THE THUNDERSTORM AND SHOWERS THAT MOVED THROUGH DEL RIO THIS MORNING THE NATIONAL WEATHER SERVICE OFFICE RECORDED .70 INCHES OF RAIN. THE RAIN CAUSED NUMEROUS LOW WATER CROSSINGS ON STREETS TO BE CLOSED EARLIER...ONLY THE JOHNSON AND TAINI STREET BRIDGE REMAINED CLOSED AT THIS TIME. HIGHWAYS 163 AND 2084 NORTH OUT OF COMSTOCK REMAIN CLOSED. MOTORISTS IN AND AROUND DEL RIO AND SOUTHEASTERN VAL VERDE COUNTY SHOULD EXERCISE CAUTION AS WET AND SLIPPERY ROADS ALONG WITH REDUCED VISIBILITY IN THE SHOWERS COULD PRESENT A DRIVING HAZARD. SOME OF THE WATER WILL RUNOFF INTO SAN FELIPE CREEK AND PARENTS SHOULD NOT LET CHILDREN PLAY NEAR RAPIDLY RUNNING CREEKS...DAMS OR SPILLWAYS.
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.