650
WGUS84 KEWX 211340
FLSEWX
FLOOD ADVISORY
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
840 AM CDT TUE APR 21 2026
TXC029-091-187-211645-
/O.NEW.KEWX.FA.Y.0035.260421T1340Z-260421T1645Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEXAR TX-COMAL TX-GUADALUPE TX-
840 AM CDT TUE APR 21 2026
..FLOOD ADVISORY IN EFFECT UNTIL 1145 AM CDT THIS MORNING
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...A PORTION OF SOUTH CENTRAL TEXAS, INCLUDING THE FOLLOWING
COUNTIES, BEXAR, COMAL AND GUADALUPE.
* WHEN...UNTIL 1145 AM CDT.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
DANGEROUS FLOWS OVER LOW-WATER CROSSINGS. SOME LOW-WATER CROSSINGS
MAY BECOME IMPASSABLE.
* ADDITIONAL DETAILS...
- AT 840 AM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES
INDICATED HEAVY RAIN DUE TO THUNDERSTORMS FROM YESTERDAY.
MINOR FLOODING IS ALREADY OCCURRING IN THE ADVISORY AREA.
BETWEEN 3 AND 7 INCHES OF RAIN HAVE FALLEN.
- ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE EXPECTED OVER
THE AREA. THIS ADDITIONAL RAIN WILL PROLONG ONGOING MINOR
FLOODING WITH PARTICULAR CONCERNS AT LOW WATER CROSSINGS.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN ANTONIO, NEW BRAUNFELS, SCHERTZ, SEGUIN, CIBOLO, SELMA,
CANYON LAKE DAM, CANYON LAKE, FAIR OAKS RANCH, BULVERDE,
GARDEN RIDGE, MCQUEENEY, MARION, SANTA CLARA, SMITHSON
VALLEY, TIMBERWOOD PARK, SPRING BRANCH, GUADALUPE RIVER STATE
PARK, GERONIMO AND SOLMS.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
LAT...LON 2980 9858 2983 9854 2986 9851 2987 9850
2988 9848 2988 9819 2964 9794 2951 9817
2965 9841 2975 9863
MM
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