FSUS46 KLOX 271156 QPSLOX QUANTITATIVE PRECIPITATION FORECAST NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 400 AM PST FRI NOV 27 2009 PRECIPITATION FORECASTS IN INCHES FOR THE NEXT 24 HOURS ARE PROVIDED IN 3-HOUR INCREMENTS FOR THE FIRST 12 HOURS...FOLLOWED BY 6-HOUR INCREMENTS FOR THE LAST 12 HOURS. LIGHT RAINFALL AMOUNTS GREATER THAN ZERO BUT LESS THAN A TENTH OF AN INCH ARE SHOWN AS LGT. THE DAY 1 DISCUSSION COVERS THE PERIOD FROM 400 AM FRI THROUGH 400 AM SAT. THE DAY 2 DISCUSSION COVERS THE PERIOD FROM 400 AM SAT THROUGH 400 AM SUN. 04-07 07-10 10-13 13-16 16-22 22-04 SAN LUIS OBISPO COUNTY... LSRC1:CAMBRIA 0.0 0.0 0.0 0.0 LGT LGT SMRC1:SANTA MARGARITA 0.0 0.0 0.0 0.0 LGT LGT NIPC1:LOPEZ LAKE 0.0 0.0 0.0 0.0 LGT LGT SANTA BARBARA COUNTY... GETC1:GETTY BASIN 0.0 0.0 0.0 0.0 LGT LGT SBTC1:SANTA BARBARA POTRERO 0.0 0.0 0.0 0.0 LGT LGT GBRC1:GIBRALTAR DAM 0.0 0.0 0.0 0.0 LGT LGT SMCC1:SAN MARCOS PASS 0.0 0.0 0.0 0.0 LGT LGT SBFC1:SANTA BARBARA FLOOD CONTROL 0.0 0.0 0.0 0.0 LGT LGT VENTURA COUNTY... FGEC1:FAGAN CANYON 0.0 0.0 0.0 0.0 LGT LGT HRCC1:HOPPER CANYON 0.0 0.0 0.0 0.0 LGT LGT MTDC1:MATILIJA DAM 0.0 0.0 0.0 0.0 LGT LGT VTUC1:VENTURA COUNTY GOVT CENTER 0.0 0.0 0.0 0.0 0.0 LGT MORC1:MOORPARK COUNTY YARD 0.0 0.0 0.0 0.0 0.0 LGT CRXC1:CIRCLE X RANCH 0.0 0.0 0.0 0.0 0.0 LGT LOS ANGELES COUNTY... WFKC1:WEST FORK HELIPORT (MT WILSON) 0.0 0.0 0.0 0.0 0.0 LGT BDDC1:BIG DALTON DAM 0.0 0.0 0.0 0.0 0.0 LGT PCDC1:PACOIMA DAM 0.0 0.0 0.0 0.0 0.0 LGT SAUC1:SAUGUS 0.0 0.0 0.0 0.0 0.0 LGT CQT :LOS ANGELES DOWNTOWN (USC) 0.0 0.0 0.0 0.0 0.0 LGT MLUC1:BIG ROCK MESA 0.0 0.0 0.0 0.0 0.0 LGT SYNOPSIS: A LOW PRESSURE SYSTEM WILL DROP SOUTH OVER THE REGION THROUGH SATURDAY. THIS WILL BRING A CHANCE OF SHOWERS TO THE AREA WITH THE POSSIBILITY OF LOW ELEVATION SNOW. THE COLD AIR ACCOMPANYING THE STORM SYSTEM WILL BRING A SLIGHT CHANCE FOR THUNDERSTORMS. DUE TO ITS SHOWERY NATURE...RAINFALL AMOUNTS WILL VARY WIDELY. MOST AREAS NORTH OF POINT CONCEPTION WILL LIKELY RECEIVE A TENTH OF AN INCH OR LESS...WHILE SOUTH OF POINT CONCEPTION...MOST AREAS WILL RECEIVE A FEW HUNDREDTHS OR LESS. IF THUNDERSTORMS DO DEVELOP...THERE IS A CHANCE FOR BRIEF HEAVY RAIN AND SMALL HAIL. DAY 1...A WEAKENING COLD FRONT WILL MOVE OVER THE AREA THIS AFTERNOON AND THIS EVENING. RAINFALL AMOUNTS WITH THE COLD FRONT WILL ZERO TO A FEW HUNDREDTHS. THEN LATE THIS EVENING...AN AREA OF INSTABILITY WILL PUSH SOUTH ALONG WITH THE STORMS COLDEST AIR. THE BEST CHANCE OF PRECIPITATION WILL BE ACROSS SAN LUIS OBISPO COUNTY AND THE NORTH FACING MOUNTAIN SLOPES NEAR THE GRAPEVINE WHERE AMOUNTS UP TO A TENTH OF AN INCH ARE POSSIBLE. SNOW LEVELS WILL TO NEAR 4000 FEET LATE TONIGHT...WITH 3 TO 5 INCHES OF SNOW POSSIBLE NEAR THE KERN COUNTY LINE THROUGH 4 AM FRIDAY. DAY 2...SHOWERS WILL LINGERS OVER THE AREA BRING MAINLY AMOUNTS OF A TENTH OF AN INCH OR LESS...EXCEPT FOR AN ADDITIONAL TENTH OF AN INCH OR LESS ALONG THE NORTH FACING MOUNTAIN SLOPES NEAR THE GRAPEVINE. $$ HALL