Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 1, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this flash flood warning at Apr 24, 1990, 3:09 PM CDT for San Patricio County, Texas. It was in force for 109 min.
The area
The counties it named.
The facts
- Issued
- Apr 24, 1990, 3:09 PM CDT (20:09 UTC)
- Expired
- Apr 24, 1990, 4:58 PM CDT
- In force
- 109 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
County San Patricio 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, 8.2 hours before the alert went out and 36 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
- 815 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 117 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 KCRP 242011 FFWCRP TXC409-242300- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 309 PM CDT TUE APR 24 1990 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH CENTRAL TEXAS ...WESTERN SAN PATRICIO COUNTY A STATIONARY CLUSTER OF STRONG THUNDERSTORMS REMAINS OVER WESTERN SAN PATRICIO COUNTY...CENTERED NEAR MATHIS. HEAVY RAINS HAVE BEEN OCCURRING SINCE 1:00 PM...WITH UP TO 8 INCHES RECORDED AT A GRAIN ELEVATOR JUST WEST OF MATHIS DURING THE PAST 2 HOURS. SAN PATRICIO SHERIFF'S OFFICE REPORTS SEVERAL ROADS AND HIGHWAYS WERE BECOMING FLOODED. A FOOT OF WATER WAS COVERING A SECTION OF I-37 ONE AN HALF MILES NORTH OF MATHIS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
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, Apr 24, 2:55 PM CDT, 14 minutes before
TXZ042-242100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 253 PM CDT TUE APR 24 1990 ...SRONG THUNDERSTORMS WITH VERY HEAVY RAINFALLS AND HAIL OVER SAN PATRICIO COUNTY... AT 210 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER SAN PATRICIO. THE STRONGEST THUNDERSTORM WAS NEAR MATHIS. THE THUNDERSTORM WAS MOVING SLOWLY TO THE NORTH AT 15 MPH. THE PUBLIC REPORTED MARBLE SIZE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN IN MATHIS AND SINTON. THESE THUNDERSTORMS WILL PRODUCE STRONG WINDS...PERIODS OF HEAVY RAINFALLS PRODDUCING LOCALIZED FLOODING...DANGEROUS LIGHTING AND SMALL HAIL FOR THE NEXT HOUR. RESIDENTS THROUGHOUT THE COASTAL BEND ESPECIALLY IN SAN PATRICIO AND REFUGIO COUNTIES SHOULD BE ON THE LOOKOUT FOR THREATING WEATHER AND BE PREPARED TO SEEK SHELTER. MARINE INTERESTS FROM SAN ANTONIO BAY TO CORPUS CHRISTI BAY SHOULD EXERCISE CAUTION. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.
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.