130  
FSUS46 KLOX 042124  
QPSLOX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
223 PM PDT SAT MAY 04 2024  
 
PRECIPITATION FORECASTS IN INCHES ARE PROVIDED IN 3-HOUR  
INCREMENTS UNTIL 0500 FOLLOWED BY 6-HOUR INCREMENTS UNTIL 1700.  
THUNDERSTORM CHANCES COVER UP TO 1700 ON DAY 1 ONLY.  
 
LIGHT RAINFALL AMOUNTS GREATER THAN ZERO BUT LESS THAN A TENTH OF AN  
INCH ARE SHOWN AS LGT.  
 
THE DISCUSSION COVERS THE PERIOD FROM: SAT MAY 04 2024 THROUGH FRI MAY 10 2024.  
 

 
 
17-20 20-23 23-02 02-05 | 05-11 11-17  
 
SAN LUIS OBISPO COUNTY...  
 
LSRC1:CAMBRIA LGT 0.0 0.0 0.0 | 0.0 0.0  
SMRC1:SANTA MARGARITA LGT 0.0 0.0 0.0 | 0.0 0.0  
NIPC1:LOPEZ LAKE LGT LGT 0.0 0.0 | 0.0 0.0  
 
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS  
EXPECTED PEAK (IN/HR): 0.05-0.10 0.05-0.15  
PROBABILITY 0.50+ IN/HR: <5% <5%  
PROBABILITY 1.00+ IN/HR: <5% <5%  
 
PEAK RATES EXPECTED TO OCCUR BETWEEN: 1200-1800  
 
CHANCE OF THUNDERSTORMS: 0%  
 

17-20 20-23 23-02 02-05 | 05-11 11-17  
 
SANTA BARBARA COUNTY...  
 
SIYC1:SANTA MARIA LGT LGT 0.0 0.0 | 0.0 0.0  
SBTC1:SANTA BARBARA POTRERO LGT LGT 0.0 0.0 | 0.0 0.0  
GBRC1:GIBRALTAR DAM LGT LGT 0.0 0.0 | 0.0 0.0  
SMCC1:SAN MARCOS PASS LGT LGT 0.0 0.0 | 0.0 0.0  
SBFC1:SANTA BARBARA CITY LGT LGT 0.0 0.0 | 0.0 0.0  
 
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS  
EXPECTED PEAK (IN/HR): 0.01-0.03 0.05-0.15  
PROBABILITY 0.50+ IN/HR: <5% 10%  
PROBABILITY 1.00+ IN/HR: <5% <5%  
 
PEAK RATES EXPECTED TO OCCUR BETWEEN: 1400-1700  
 
CHANCE OF THUNDERSTORMS: 0%  
 

17-20 20-23 23-02 02-05 | 05-11 11-17  
 
VENTURA COUNTY...  
 
FGWC1:FAGAN CANYON LGT 0.0 0.0 0.0 | 0.0 0.0  
HRCC1:HOPPER CANYON LGT LGT 0.0 0.0 | 0.0 0.0  
MTDC1:MATILIJA DAM LGT LGT 0.0 0.0 | 0.0 0.0  
VTUC1:VENTURA CITY LGT LGT 0.0 0.0 | 0.0 0.0  
MORC1:MOORPARK LGT 0.0 0.0 0.0 | 0.0 0.0  
CRXC1:CIRCLE X RANCH LGT LGT 0.0 0.0 | 0.0 0.0  
 
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS  
EXPECTED PEAK (IN/HR): 0.01-0.03 0.01-0.05  
PROBABILITY 0.50+ IN/HR: <5% <5%  
PROBABILITY 1.00+ IN/HR: <5% <5%  
 
PEAK RATES EXPECTED TO OCCUR BETWEEN: 1400-1700  
 
CHANCE OF THUNDERSTORMS: 0%  
 

17-20 20-23 23-02 02-05 | 05-11 11-17  
 
LOS ANGELES COUNTY...  
 
WFKC1:WEST FORK HELIPORT 0.0 0.0 0.1 LGT | 0.0 0.0  
BDDC1:BIG DALTON DAM 0.0 LGT 0.1 LGT | 0.0 0.0  
PCDC1:PACOIMA DAM LGT 0.0 0.0 0.0 | 0.0 0.0  
FLTC1:LA CANADA FLINTRIDGE 0.0 0.0 LGT LGT | 0.0 0.0  
SAUC1:SAUGUS 0.0 0.0 0.0 0.0 | 0.0 0.0  
CQT:DOWNTOWN LA 0.0 0.0 0.0 0.0 | 0.0 0.0  
MLUC1:MALIBU BIG ROCK MESA 0.0 0.0 0.0 0.0 | 0.0 0.0  
 
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS  
EXPECTED PEAK (IN/HR): 0.01-0.03 0.10-0.20  
PROBABILITY 0.50+ IN/HR: <5% 15%  
PROBABILITY 1.00+ IN/HR: <5% <5%  
 
PEAK RATES EXPECTED TO OCCUR BETWEEN: 2000-2300  
 
CHANCE OF THUNDERSTORMS: 0%  
 

 
 
DISCUSSION:  
 
AN UNSEASONABLY COLD STORM SYSTEM WILL BRUSH THE AREA OVER THE  
WEEKEND. THERE A HIGH-TO-DEFINITE CHANCE OF RAIN ACROSS THE AREA  
THIS AFTERNOON THROUGH EARLY SUNDAY. RAINFALL AMOUNTS WILL LIKELY BE  
AROUND A QUARTER INCH OR LESS, EXCEPT A QUARTER TO HALF INCH ACROSS  
THE COAST RANGE OF CENTRAL CALIFORNIA AND INTO THE SAN GABRIEL  
MOUNTAINS.  
 
NOTE: THIS A SPECIAL ISSUANCE DUE TO THE THREAT OF RAIN. ROUTINE  
ISSUANCES OF THIS PRODUCT WILL RESUME NOV 1. IF WIDESPREAD RAIN IS  
EXPECTED BEFORE THEN ADDITIONAL FORECASTS WILL BE SENT OUT.  
 

 
 
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