FNUS76 KSGX 160946 FWSSGX SPOT FORECAST FOR NORTH MAIN DIVIDE...CNF TRAB NATIONAL WEATHER SERVICE SAN DIEGO CA 246 AM PDT WED MAR 16 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MARCH 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE RIDGE BREAKING DOWN TODAY AS TROUGH MOVES INLAND TO THE NORTH. THIS WILL RESULT IN INCREASING SOUTHWEST WINDS ACROSS THE RIDGES AND DOWN ALIGNED CANYONS THIS AFTERNOON. THE TROUGH MOVES SOUTHEAST TONIGHT AND BECOMES STATIONARY OVER OR JUST NORTH OF THE SAN GABRIEL MOUNTAINS THURSDAY. HIGH PRESSURE TEMPORARILY REBUILDS FRIDAY BEFORE A STRONGER TROUGH MOVES IN FROM THE NORTHWEST. THIS TROUGH HAS THE POTENTIAL TO PRODUCE LIGHT RAIN FRIDAY NIGHT INTO SATURDAY. A BRIEF PERIOD OF DRYING SATURDAY AFTERNOON/SUNDAY MORNING BEFORE A THIRD TROUGH MOVES ACROSS THE AREA BRINGING COLD SHOWERY CONDITIONS LATE SUNDAY INTO MONDAY. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. MAX TEMPERATURE.....AROUND 73...DOWN 9. MIN HUMIDITY........35 PERCENT...UP 10. RIDGETOP.........WEST 5 MPH THROUGH EARLY AFTERNOON...BECOMING SOUTHWEST 10 MPH WITH GUSTS 15 MPH LATE AFTERNOON MIXING HEIGHT.......3000 FT AGL. MIXING WINDS........WEST 3 MPH THROUGH EARLY AFTERNOON...BECOMING SOUTHWEST 10 MPH LATE IN THE AFTERNOON. TIME (PDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........32 32 32 32 32 32 32 37 WEATHER COV..... WEATHER TYPE.... TEMP............59 66 71 71 73 72 70 68 RH..............60 45 38 38 35 37 39 40 .TONIGHT... MIN TEMPERATURE.....AROUND 50. MAX HUMIDITY........75 PERCENT. RIDGETOP.........SOUTHWEST 15 MPH. MIXING HEIGHT.......500 FT AGL. MIXING WINDS........SOUTHWEST 5 MPH. TIME (PDT) 6 PM 9 PM MIDNGT 3 AM TEMP............60 54 53 52 RH..............51 65 66 69 .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY. MAX TEMPERATURE.....AROUND 64...DOWN 9. MIN HUMIDITY........40 PERCENT...UP 5. RIDGETOP.........SOUTHWEST 10 MPH IN THE MORNING...BECOMING NORTHWEST 5 MPH IN THE AFTERNOON. MIXING HEIGHT.......500-1000 FT AGL. MIXING WINDS........SOUTHWEST 7 MPH IN THE MORNING... WEST 5 MPH IN THE AFTERNOON. TIME (PDT) 6 AM 9 AM NOON 3 PM SKY (%).........57 57 57 58 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............51 56 62 57 RH..............70 55 44 53 .FORECAST DAYS 3 THROUGH 5... .THURSDAY NIGHT THROUGH FRIDAY... PARTLY CLOUDY. LOWS AROUND 43. HIGHS AROUND 57. WINDS SOUTHWEST 10 MPH. .FRIDAY NIGHT THROUGH SATURDAY... MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF LIGHT RAIN. RAINFALL AMOUNTS TRACE TO 0.01 INCHES. LOWS AROUND 43. HIGHS AROUND 49. WINDS SOUTHWEST 10 MPH. .SUNDAY... MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN. RAINFALL AMOUNTS 0.04 INCHES. LOWS AROUND 44. HIGHS AROUND 49. WINDS SOUTH 10 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...GORDON MARTIN TYPE OF REQUEST...PRESCRIBED .TAG 20110316.NORTH.01/SGX