FNUS76 KSGX 050858 FWSSGX SPOT FORECAST FOR SO MAIN...CNF TRAB NATIONAL WEATHER SERVICE SAN DIEGO CA 1258 AM PST SAT MAR 5 2011 FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON MARCH 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WARMER AND DRIER TODAY WITH WEAK OFFSHORE FLOW. MARINE AIR HAS LOWERED TO BELOW 500 FEET ELEVATION AND RETREATED TOWARDS THE COAST. A WIND REVERSAL TO THE WEST IS LIKELY THIS AFTERNOON AS THE HIGH PRESSURE RIDGE ALOFT BREAKS DOWN. NO SIGNIFICANT CHANGE IN HUMIDITY IS LIKELY UNTIL SUNDAY WHEN A COLD FRONT APPROACHES FROM THE NORTHWEST. THERE IS A 20 PERCENT CHANGE OF WETTING RAIN SUNDAY NIGHT INTO MONDAY WITH RAINFALL AMOUNTS UNDER A QUARTER INCH. A DRYING AND WARMING TREND WILL BEGIN AGAIN TUESDAY THROUGH NEXT THURSDAY WITH A RETURN TO OFFSHORE FLOW AS HIGH PRESSURE REBUILDS TO THE NORTH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY EXCEPT FOR SOME HIGH CLOUDS. MAX TEMPERATURE.....NEAR 80. MIN HUMIDITY........9 PERCENT. EYE LEVEL WIND...... SLOPES...........UPSLOPE/NORTHEAST 2 TO 5 MPH WITH GUSTS 15 MPH IN THE MORNING...THEN DOWNSLOPE/SOUTHWEST 3 MPH WITH GUSTS 10 MPH IN THE AFTERNOON. RIDGETOP.........EAST 5 MPH GUSTING TO 15 MPH IN THE MORNING BECOMING NORTHWEST 6 MPH WITH GUSTS 10 MPH IN THE AFTERNOON. CHC WETTING RAIN....0 PERCENT. LAL.................1. MIXING HEIGHT.......500 FT AGL UNTIL 0900 PST THEN...MIXING TO 4000 FT AGL BETWEEN 1100 AND 1400 PST...THEN LOWERING TO 1500 FT AGL AFTER 1500 PST. MIXING WINDS........NORTH 2 MPH THROUGH 1400 PST...THEN WEST 7 MPH LATE IN THE AFTERNOON. TIME (PST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........17 17 27 27 27 27 27 27 31 31 WEATHER COV..... WEATHER TYPE.... TEMP............59 63 65 73 75 77 79 75 71 67 RH..............11 12 12 9 10 10 13 15 17 19 EYE LEVEL WINDS DIRECTION...NE NE NE NE NE SW SW SW SW SW SPEED.......1 4 5 4 2 1 2 3 5 5 GUSTS.......8 13 15 10 5 2 4 8 10 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....AROUND 53. MAX HUMIDITY........55 PERCENT. EYE LEVEL WINDS..... SLOPES...........SOUTHWEST/DOWNSLOPE 3 TO 5 MPH GUSTING TO 10 MPH. RIDGETOP.........WEST 5 TO 10 MPH GUSTING TO 15 MPH. CHC WETTING RAIN....5 PERCENT. LAL.................1. MIXING HEIGHT.......500-1500 FT AGL. MIXING WINDS........WEST 7 MPH. .SUNDAY... SKY/WEATHER.........INCREASING CLOUDS. CHANCE OF SHOWERS BY SUNSET. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........30 PERCENT OCCURRING IN THE MORNING...WITH HUMIDITY INCREASING TO 50 PERCENT IN THE AFTERNOON. EYE LEVEL WINDS..... SLOPES...........SOUTHWEST 5 MPH WITH GUSTS 15 MPH IN THE MORNING... SOUTHWEST 10 TO 15 MPH WITH GUSTS 35 MPH DOWN CANYON IN THE AFTERNOON. RIDGETOP.........WEST 10 MPH IN THE MORNING...INCREASING TO WEST 20 MPH WITH GUSTS 35 MPH IN THE AFTERNOON. CHC WETTING RAIN....INCREASING TO 20 PERCENT LATE IN THE AFTERNOON. RAINFALL AMOUNTS....LESS THAN 0.05 INCHES. LAL.................1. MIXING HEIGHT.......2500 FT AGL. MIXING WINDS........WEST 10 MPH IN THE MORNING...INCREASING TO WEST 20 MPH IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .SUNDAY NIGHT AND MONDAY... COOLER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF WETTING RAIN. ADDITIONAL RAINFALL AMOUNTS 0.15 INCHES. MAX RH 100 PERCENT. MIN RH 65 PERCENT. LOW 46. HIGH 49. EYE LEVEL WINDS SOUTHWEST 10 MPH WITH GUSTS 20 MPH. .MONDAY NIGHT AND TUESDAY... PARTLY CLOUDY. LOW AROUND 39. HIGHS AROUND 57. MAX RH 70 PERCENT. MIN RH 20 PERCENT. EYE LEVEL WINDS NORTHWEST 10 MPH GUSTING TO 20 MPH MONDAY NIGHT. WIND SHIFTING TO NORTHEAST 5 TO 10 MPH TUESDAY. .WEDNESDAY... MOSTLY CLEAR. LOWS AROUND 44. HIGHS AROUND 66. MAX RH 20 PERCENT. MIN RH 12 PERCENT. EYE LEVEL WINDS NORTHEAST 5 MPH WITH OCCASIONAL GUSTS 15 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...MICHAEL NOBLES TYPE OF REQUEST...PRESCRIBED .TAG 20110305.SOMAI.01/SGX