989  
FSUS46 KLOX 182359  
QPSLOX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
356 PM PST THU JAN 18 2018  
 
PRECIPITATION FORECASTS IN INCHES ARE PROVIDED IN 3-HOUR  
INCREMENTS UNTIL 0400 FOLLOWED BY 6-HOUR INCREMENTS UNTIL 1600.  
THUNDERSTORM CHANCES COVER UP TO 1600 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: THU JAN 18 2018 THROUGH THU JAN 25 2018.  
 

 
16-19 19-22 22-01 01-04 | 04-10 10-16  
 
SAN LUIS OBISPO COUNTY...  
 
LSRC1:CAMBRIA 0.0 LGT LGT LGT | LGT LGT  
SMRC1:SANTA MARGARITA 0.0 LGT LGT LGT | LGT LGT  
NIPC1:LOPEZ LAKE 0.0 LGT LGT LGT | LGT LGT  
 
SLO: PEAK 1-HR RATES: CST/VLY 0.01-0.10 FTHLS/MTNS 0.01-0.10  
EXPECTED TO OCCUR BETWEEN 2300-0700  
CHANCE THUNDERSTORMS: NO  
 

 
16-19 19-22 22-01 01-04 | 04-10 10-16  
 
SANTA BARBARA COUNTY...  
 
SIYC1:SANTA MARIA CITY 0.0 LGT LGT LGT | LGT LGT  
SBTC1:SANTA BARBARA POTRERO 0.0 0.0 LGT LGT | LGT LGT  
GBRC1:GIBRALTAR DAM 0.0 0.0 LGT LGT | LGT 0.0  
SMCC1:SAN MARCOS PASS 0.0 0.0 LGT LGT | LGT 0.0  
SBFC1:SANTA BARBARA COUNTY BUILDING 0.0 0.0 LGT LGT | LGT 0.0  
 
SBA: PEAK 1-HR RATES: CST/VLY 0.01-0.10 FTHLS/MTNS 0.01-0.10  
EXPECTED TO OCCUR BETWEEN 0100-0900  
CHANCE THUNDERSTORMS: NO  
 

 
16-19 19-22 22-01 01-04 | 04-10 10-16  
 
VENTURA COUNTY...  
 
FGWC1:FAGAN CANYON 0.0 0.0 LGT LGT | LGT 0.0  
HRCC1:HOPPER CANYON 0.0 0.0 LGT LGT | LGT 0.0  
MTDC1:MATILIJA DAM 0.0 0.0 LGT LGT | LGT 0.0  
VTUC1:VENTURA COUNTY GOVT CENTER 0.0 0.0 0.0 0.0 | 0.0 0.0  
MORC1:MOORPARK COUNTY YARD 0.0 0.0 0.0 0.0 | LGT 0.0  
CRXC1:CIRCLE X RANCH 0.0 0.0 0.0 0.0 | 0.0 0.0  
 
VTU: PEAK 1-HR RATES: CST/VLY 0.01-0.10 FTHLS/MTNS 0.01-0.10  
EXPECTED TO OCCUR BETWEEN 0300-1100  
CHANCE THUNDERSTORMS: NO  
 

 
16-19 19-22 22-01 01-04 | 04-10 10-16  
 
LOS ANGELES COUNTY...  
 
WFKC1:WEST FORK HELIPORT (MT WILSON) 0.0 0.0 LGT LGT | LGT LGT  
BDDC1:BIG DALTON DAM 0.0 0.0 LGT LGT | LGT LGT  
PCDC1:PACOIMA DAM 0.0 0.0 LGT LGT | LGT LGT  
FLTC1:LA CANADA FLINTRIDGE 0.0 0.0 LGT LGT | LGT LGT  
SAUC1:SAUGUS 0.0 0.0 LGT LGT | LGT LGT  
CQT :LOS ANGELES DOWNTOWN (USC) 0.0 0.0 LGT LGT | LGT LGT  
MLUC1:BIG ROCK MESA 0.0 0.0 LGT LGT | LGT 0.0  
 
LAC: PEAK 1-HR RATES: CST/VLY 0.01-0.10 FTHLS/MTNS 0.01-0.10  
EXPECTED TO OCCUR BETWEEN 0600-1400  
CHANCE THUNDERSTORMS: NO  
 

 
 
DISCUSSION: SCATTERED LIGHT SHOWERS ARE EXPECTED TO DEVELOP TONIGHT  
NORTH OF PT CONCEPTION THEN MOVE SOUTH THROUGH LA AND VENTURA  
COUNTIES EARLY FRIDAY. AMOUNTS LESS THAN A TENTH OF AN INCH  
IN MOST AREAS. EXCEPT ALONG THE NORTH FACING SLOPES NEAR THE  
GRAPEVINE AND THE KERN COUNTY LINE LIQUID EQUIVALENT AMOUNTS BETWEEN  
A QUARTER AND A HALF INCH ARE POSSIBLE WITH SNOWFALL AMOUNTS UP TO 6  
INCHES. HEAVIEST FRIDAY NIGHT INTO EARLY SATURDAY.  
 
A COUPLE WEAK SYSTEMS MAY BRING VERY LIGHT RAIN TO NORTHERN AREAS  
NEXT WEEK BUT CONFIDENCE IS LOW.  
 

 
 
MW  
 
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