573
WGUS66 KLOX 171931
FFALOX
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1231 PM PDT WED SEP 17 2025
CAZ038-344-345-353-362-369-370-376>383-548-190900-
/O.NEW.KLOX.FA.A.0005.250918T1200Z-250919T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAMA VALLEY-SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-SAN LUIS
OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY INTERIOR MOUNTAINS-
MALIBU COAST-WESTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-
EASTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-SOUTHERN VENTURA
COUNTY MOUNTAINS-NORTHERN VENTURA COUNTY MOUNTAINS-INTERSTATE
5 CORRIDOR-WESTERN SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR-
EASTERN SAN GABRIEL MOUNTAINS-WESTERN ANTELOPE VALLEY FOOTHILLS-
EASTERN ANTELOPE VALLEY FOOTHILLS-ANTELOPE VALLEY-LOS ANGELES
COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF LANCASTER, TEJON PASS, ACTON, FIGUEROA
MOUNTAIN, MILL CREEK, PASADENA, SHANDON, POMONA, PACIFIC
PALISADES, TOPANGA, SAN RAFAEL MOUNTAIN, LOCKWOOD VALLEY, MOUNT
PINOS, OZENA, VALYERMO, SANTA MARGARITA LAKE, MATILIJA, WARM
SPRINGS, GORMAN, CRESTON, LA PANZA RANGE, PYRAMID LAKE, MOUNT
WILSON, LAKE LOS ANGELES, SAN GABRIEL, WRIGHTWOOD, NEW CUYAMA,
MALIBU, CARRIZO PLAIN, LAKE PALMDALE, LLANO, PEARBLOSSOM, EL
MONTE, PALMDALE, TOPATOPA MOUNTAINS, ROSE VALLEY, MOUNT BALDY,
EAST LOS ANGELES, BIG PINE MOUNTAIN, MALIBU BOWL, CALIENTE RANGE,
ELIZABETH LAKE, AND THE ANGELES CREST HIGHWAY
1231 PM PDT WED SEP 17 2025
...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE THURSDAY
NIGHT...
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* WHERE...A PORTION OF SOUTHWEST CALIFORNIA, INCLUDING THE FOLLOWING
AREAS, ANTELOPE VALLEY, CUYAMA VALLEY, EASTERN ANTELOPE VALLEY
FOOTHILLS, EASTERN SAN GABRIEL MOUNTAINS, EASTERN SANTA MONICA
MOUNTAINS RECREATIONAL AREA, INTERSTATE 5 CORRIDOR, LOS ANGELES
COUNTY SAN GABRIEL VALLEY, MALIBU COAST, NORTHERN VENTURA COUNTY
MOUNTAINS, SAN LUIS OBISPO COUNTY INTERIOR VALLEYS, SAN LUIS
OBISPO COUNTY MOUNTAINS, SANTA BARBARA COUNTY INTERIOR MOUNTAINS,
SOUTHERN VENTURA COUNTY MOUNTAINS, WESTERN ANTELOPE VALLEY
FOOTHILLS, WESTERN SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR
AND WESTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA.
* WHEN...FROM LATE TONIGHT THROUGH LATE THURSDAY NIGHT.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
* ADDITIONAL DETAILS...
- RAIN RATES UP TO OR LOCALLY EXCEEDING ONE HALF INCH PER HOUR
ARE POSSIBLE.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO
FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
MW
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