Watches, Warnings, and Advisories
Current Watches, Warnings and Advisories for Los Angeles County Coast including Downtown Los Angeles (CAZ041) California Issued by the National Weather Service
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| Areas affected: Antelope Valley; Catalina Island; Cuyama Valley; Los Angeles County Coast including Downtown Los Angeles; Los Angeles County Mountains excluding the Santa Monica Range; Los Angeles County San Fernando Valley; Los Angeles County San Gabriel Valley; San Luis Obispo County Central Coast; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Central Coast; Santa Barbara County Mountains; Santa Barbara County South Coast; Santa Clarita Valley; Santa Monica Mountains Recreational Area; Santa Ynez Valley; Ventura County Coast; Ventura County Coastal Valleys; Ventura County Interior Valleys; Ventura County Mountains | ||||||||||||||||||||
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Message summary: CORRECTED EXPIRATION TIME ...A WET WEATHER PATTERN TO DEVELOP ACROSS SOUTHWEST CALIFORNIA TUESDAY... A STORM SYSTEM OVER THE EAST CENTRAL PACIFIC WILL MOVE EAST INTO SOUTHWEST CALIFORNIA THROUGH TUESDAY. A COOL...WET...AND UNSETTLED WEATHER PATTERN WILL DEVELOP FROM THE WEST TO EAST TUESDAY AND TUESDAY NIGHT. SOUTHERLY FLOW DEVELOPING AHEAD OF THE STORM SYSTEMS COLD FRONT WILL INCREASE ACROSS THE AREA TUESDAY MORNING. BREEZY CONDITIONS WILL BE PROMINENT IN THE COASTAL AND VALLEY LOCATIONS TUESDAY...WITH WINDY CONDITIONS POSSIBLE ACROSS THE MOUNTAINS. THE STRONGEST WINDS WILL LIKELY IMPACT THE SANTA BARBARA AND SAN LUIS OBISPO COUNTY MOUNTAINS ON TUESDAY...WITH POTENTIALLY DAMAGING GUSTS OCCURRING. AHEAD OF THE FRONT...A MOIST AIR MASS WILL DEVELOP RAPIDLY ACROSS THE REGION LATE MONDAY NIGHT OR EARLY TUESDAY...WITH THE SOUTHERLY FLOW LIKELY ALLOWING FOR OROGRAPHIC LIFT TO PRODUCE SOME LIGHT SHOWERS OR DRIZZLE. THE SYSTEMS COLD FRONT WILL BEGIN MOVING FROM WEST TO EAST OVER THE REGION DURING THE MORNING OR EARLY AFTERNOON HOURS ON TUESDAY...LIKELY EXITING THE AREA LATE TUESDAY NIGHT. AT THIS TIME...A PERIOD OF BETWEEN 4 AND 8 HOURS OF MODERATE RAIN IS EXPECTED ACROSS THE AREA. PRECIPITATION AMOUNTS WITH THIS SYSTEM WILL RANGE FROM 0.25 TO 0.75 INCH ACROSS COASTAL AND VALLEY AREAS...TO UP TO BETWEEN 1 INCH AND 1.50 INCHES IN THE MOUNTAIN AREAS. LOCAL AMOUNT UP TO 2 INCHES ARE POSSIBLE ACROSS FAVORED SOUTH-FACING SLOPES OF SANTA BARBARA AND WESTERN VENTURA COUNTIES. AHEAD OF THE COLD FRONT...THE SNOW LEVEL WILL LIKELY START NEAR 9000 FEET ON MONDAY NIGHT...BUT WILL DROP TO 6000 FEET BY TUESDAY MORNING AS EVAPORATIVE COOLING DEVELOPS. BEHIND THE FRONT...SNOW LEVELS WILL LOWER BETWEEN 4500 AND 5500 FEET ON TUESDAY AFTERNOON AND TUESDAY NIGHT. THE LOWEST SNOW LEVEL WILL LIKELY OCCUR ALONG THE NORTHERN SLOPES OF THE MOUNTAINS AND NORTH OF POINT CONCEPTION...AND FEW FLURRIES OR SNOW SHOWERS CANNOT BE RULED OUT FOR THE TEJON PASS AND OVER THE HIGHEST ELEVATIONS OF HIGHWAY 33 IN VENTURA COUNTY. SEVERAL INCHES OF SNOW MAY FALL ABOVE 6000 FEET. BEHIND THE COLD FRONT...A COLD AND UNSTABLE AIR MASS ALOFT WILL MOVE INTO THE AREA ON TUESDAY NIGHT AND EARLY WEDNESDAY. ISOLATED THUNDERSTORMS CANNOT BE RULED OVER THE COASTAL WATERS AND MAINLY SANTA BARBARA AND SAN LUIS OBISPO COUNTIES. WITH SOME DIVERGENCE IN THE FINER DETAILS BETWEEN COMPUTER MODELS...ANY MENTION OF THUNDERSTORMS HAS BEEN LEFT OUT OF THE FORECAST FOR NOW...BUT MAY BE ADDED IN THE NEAR FUTURE. FOR UPDATES ON THIS PACIFIC STORM SYSTEM...PLEASE STAY TUNED TO THE LATEST NATIONAL WEATHER SERVICE FORECASTS AND STATEMENTS ON THIS DEVELOPING WEATHER SITUATION. ...view the complete message |
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Source: NWS Watches, Warnings or Advisories for zone CAZ041



